MASSIF Pile of Gems: the PB Collection

RA DEC Name Plot Data P(yr) 2019.0322 SOAR? (2020.03) Notes
00 15 28 -43 09 58 ! GJ1005 AB plot data 04.53 Vri20 ... cali
00 24 44 -27 08 24 ! GJ2005 ABC plot data 41.62 long ...
00 27 56 +22 19 32 ! LP349-025 AB plot data 07.15 Vri20 YES 1/1
00 32 53 -04 34 07 ! GIC0050 ABC plot data 14.00 long YES 2/2 Rie10; Note the axes limits
00 43 26 -41 17 34 ? LHS1134 plot data 07.90 work no 0/2
01 00 56 -04 26 57 ?? GJ1025 plot ...... ........ long no 0/2 NEW 2019.0707
01 09 01 -51 00 51 ? SSS0109-5100 plot ...... ........ weak ...
01 10 23 -67 26 42 ! GJ0054 AB plot data 01.15 cali ...
01 13 16 -54 29 14 !! DEN0113-5429 plot ... ... ... no 0/1
01 28 40 -14 58 04 ! SCR0128-1458 AB plot data 07.98 long YES 2/2 Rie18
01 39 22 -39 36 09 ? LP991-084 plot ..... ....... .... no 0/1
01 46 37 -08 38 58 ?? L870-044 AB plot ...... ........ weak YES 2/2
01 47 43 -48 36 06 !LEHPM1-1882 AB plot data 12.24 work YES 2/2 2019.0324: Likely will wrap by 2020
01 51 04 -06 07 05 ?? LHS1302 plot ...... ........ ...... no 0/2
02 36 32 -59 28 10 ?APM0018 plot data 08.32 mess no 0/2
02 45 14 -43 44 11 !LP993-115 A plot ...... ........ none ...
02 45 14 -43 44 11 ! LP993-116 BC plot ...... ........ long YES 3/3
03 01 51 -16 35 31 !LP771-095 A plot data 32.39 BOUTIQ ... all frames included here
03 01 51 -16 35 31 !LP771-095 BC plot data 12.19 BOUTIQ YES 1/1 all frames included here
03 14 18 -23 09 30 !LP831-045 plot data 07.24 mess no 0/1 oV only makes PB way more suspect
03 20 28 -04 46 36 ?SIP0320-0446 AB plot data 00.67 MAYBE ... SB2 P=2yr Bur16; TJH says none
03 34 09 -49 53 38 ?LEHPM1-3396 plot data 05.63 weak ...
03 36 00 -44 30 46 ?? GJ1061 plot ..... ....... ...... no 0/2
03 43 22 -09 33 51 !LHS1582 AB plot data 05.26 Vri20 no 0/1 upda Rie10
03 52 42 +17 01 04 ?LHS1610 AB plot ...... ........ shrt no 0/1 P=10.6d: Click here for zoomed plot.
04 07 21 -24 29 14 ! LHS1630 AB plot ..... ..... ....... YES 2/2 Moved 0.554" 19d 2006-2019! delI=0.4
04 10 26 -53 36 17 ?GJ1068 plot data 31.26 acce YES 2/2 SOAR detection = background star (probably)
04 20 13 -70 05 59 ?SCR0420-7005 plot ...... ........ weak no 0/1
04 28 51 -22 53 22 ?2MA0428-2253 plot data 02.49 weak ... CHECK THIS ONE
04 29 18 -31 23 57 !2MA0429-3123AB plot data 29.31 long ...
04 32 43 -39 47 12 ?LHS1678 plot ...... ........ work YES 0/4
04 35 16 -16 06 58 ?LP775-031 plot data 00.36 shrt no 0/1 P=130d
04 51 01 -34 02 15 ?2MA0451-3402 plot ...... ........ none ...
04 52 25 -16 49 22 ?? LP776-025 plot ...... ........ ...... no 0/1
05 01 59 +09 58 59 ?LP476-207 ABC plot ...... ........ ........ YES 1/1 2019.0703 --- two signals evident now?
05 06 50 -21 35 09 !BD-21-01074 A plot ...... ........ none ... 2019.0415: Updated, only non-saturated frames
05 06 50 -21 35 09 ! BD-21-01074 BC plot ...... ........ long YES 1/1 2019.0415: Updated with "elliptical" frames
05 08 35 -18 10 19 ?GJ0190 AB plot data 02.13 shrt ... Man19 says Porb~0.9 yr
05 17 24 -35 21 46 ?L449-001 AB plot data 00.71 WAIT YES 4/4 Resolved w/FGS
05 33 28 -42 57 21 !SCR0533-4257 AB plot data 00.67 WAIT YES 5/5 Resolved w/FGS. Fit w/same P as for SOAR speckle
06 04 52 -34 33 40 ?APCOL plot ...... ........ ........ no 0/1
06 10 53 -43 24 18 ?? GJ1088 plot ...... ........ ...... no 0/1
06 13 13 -27 42 06 ?SCR0613-2742 AB plot data 06.91 WAIT ... Resolved w/FGS; d > 25 pc?
06 29 23 -02 48 50 !GJ0234 AB plot data 11.68 Vri20 YES 1/1 cali
06 30 47 -76 43 14 !SCR0630-7643 AB plot ...... ........ work ...
06 52 18 -05 11 24 ?GJ0250 BC plot ...... ........ ........ no 0/1 NEW 2019.0624 --- Potential C at 0.175" (1.5 AU)
06 57 47 -44 17 28 ??GJ0257 A plot ...... ........ ........ YES 3/3 Click here for zoomed plot. SOAR AB 2.7" dmag 1.3
06 57 47 -44 17 28 ??GJ0257 B plot ...... ........ ........ ...
07 02 50 -61 02 48 ?SCR0702-6102 plot data 02.47 WAIT YES 4/4
07 20 03 -08 46 49 !WIS0720-0846 AB plot data 05.84 long no 0/1
07 23 59 -80 15 18 !SCR0723-8015 AB plot data 13.84 long no 0/2
07 36 25 +07 04 44 !G089-032 AB plot data 16.94 long ...
08 15 11 -23 44 15 !UPM0815-2344 AB plot ...... ........ weak no 0/1 TJH says none
08 31 38 +19 23 40 ?GJ2069 ACE plot ...... ........ mess ...
08 31 38 +19 23 40 ? GJ2069 BD plot ...... ........ mess ...
08 38 02 -58 55 59 !SCR0838-5855 AB plot data 17.28 long YES 2/2
08 41 33 -32 56 33 ?GJ0318 plot ...... ........ none ... WD
08 47 29 -15 32 37 ?2MA0847-1532 plot data 00.46 weak ... TJH vetos; elevated on HRD
08 53 36 -03 29 28 ?LHS2065 plot ...... ........ weak ...
08 55 20 -23 52 18 !LHS2071 AB plot data 17.51 long YES 3/3
09 15 36 -10 35 47 !LHS6167 AB plot data 05.00 NEXT! ... upda Hen18
09 31 22 -17 17 43 !LP788-001 AB plot data 07.37 work no 0/1
09 42 49 -63 37 57 ?GJ1128 plot ...... ........ ........ no 0/1 sec acc?
09 44 29 -73 58 39 ! WT0244 AB plot ..... ..... ....... YES 2/2
09 44 54 -12 20 54 ?G161-071 plot ...... ........ ........ no 0/1 PB depends A LOT on ref choices (prob not real?)
09 45 58 -32 53 30 ?WT2458 plot ...... ........ ........ no 0/1 Very questionable, P = 1.5 yr?
09 58 34 -46 25 30 ? GJ0375 AB plot ...... ........ weak no 0/1 SB2 w/ P=1.9 days
10 14 52 -47 09 24 ??LHS0281 plot ...... ........ ........ no 0/1
10 42 41 -24 16 05 ?LP848-050 AB plot data 06.93 NEXT! no 0/1
10 43 03 -09 12 41 !WT1827 AB plot ...... ~16 long YES 2/2 Possible contamination by background star
10 48 13 -11 20 10 ?? LHS0292 plot ...... ........ ...... no 0/1
10 48 15 -39 56 07 ?DEN1048-3956 plot ...... ........ acce no 0/1 Showed at ExoPAG19 (sans name)
10 54 42 -07 18 33 ?LTT04004 AB plot ...... ........ ........ YES 1/1 Elongated
10 56 29 +07 00 53 ?GJ0406 plot data 33.03 ...... no 0/1
11 21 49 -13 13 08 !LHS2397a AB plot data 12.05 long ...
11 27 09 -29 40 11 ?WD1124-293 plot ...... ...... weak ... WD
11 30 42 -08 05 43 ??LP672-042 plot ..... ....... .... ...
11 31 08 -14 57 21 ?LHS0306 plot ...... ........ ...... no 0/1
12 20 34 -82 25 58 ? NLTT30359 plot ...... ........ ........ YES 2/2
12 28 58 +08 25 32 !GJ0469 AB plot data 11.98 WAIT ... (cali)
12 29 35 -55 59 37 ?GJ1158 plot ...... ........ ........ no 0/1 Needs new reduction
12 30 02 -34 11 24 !SCR1230-3411 AB plot data 04.62 READY YES 3/3 Win17
12 33 17 +09 01 16 !GJ0473AB plot ...... ........ mess ... delta V = 0; Resolved in 2017 epoch
12 33 33 -48 26 11 !L327-121 AB plot data 07.92 NEXT! YES 3/3
12 50 52 -21 21 09 ?LEHPM2-0174 plot data 07.34 weak no 0/2
13 13 09 -41 30 40 ?ER2 AB plot ...... ........ ........ YES 1/3
13 23 38 -25 54 45 ?LHS2729 plot ...... ........ ........ no 0/1 Secular acc?
13 58 05 -39 37 55 ?SSS1358-3938 plot data 01.71 weak no 0/2
14 12 00 -41 32 22 !WT0460 AB plot data 14.54 long YES 2/2
14 44 07 -34 26 47 ?SCR1444-3426 plot ...... ........ ........ no 0/1 Very questionable, secular acc?
14 54 08 -66 04 47 !DEN1454-6604 AB plot data 10.48 long ...
15 10 17 -02 41 08 !TVL868-110639 plot ... >6 ... ... NEW!
15 42 07 -19 28 18 !GJ0595 AB plot data 00.17 NEXT! no 0/1 upda Hen18; P=60d
15 45 42 -43 30 29 !LTT06288 AB plot data 10.10 Vri20 YES 2/2 upda Win17
15 46 42 -55 34 47 !SCR1546-5534 AB plot data 06.24 DONE YES 2/2
16 10 29 -00 40 54 !LSR1610-0040 AB plot ...... ........ MAYBE ... upda Jao17; subdwarf at 30 pc
16 26 52 -38 12 33 ?SCR1626-3812 AB plot data 17.44 work no 0/1
16 45 17 -38 48 30 !GJ2122 AB plot data >15 long YES 1/1
16 50 58 +22 27 06 ?G169-029 plot ...... ........ ...... ...
17 05 48 -05 16 46 ?2MA1705-0516 AB plot ...... ........ work ... Fix reduction?
17 10 44 -53 00 25 ?UPM1710-5300 AB plot ...... ........ ........ YES 1/1 Note the axes limits! Missed by Gaia
17 17 44 +11 40 06 !GJ1215 AB plot data 09.86 BOUTIQ no 0/1 Serge's system
17 18 26 -43 26 38 !LHS0440 AB plot data 25.29 long ... Subdwarf
17 37 04 -44 19 09 ?GJ0682 AB plot ...... ........ ...... no 0/1
17 46 34 -57 19 09 ?GJ0693 plot ...... ........ ........ ...
17 50 25 -00 16 15 ?2MA1750-0016 AB plot data 06.74? NEXT! ... upda Hen18; probably contamination
17 56 56 -48 05 09 ?DEN1756-4805 plot data 06.61 weak ...
18 03 36 -18 58 51 !G154-043 AB plot data 08.14 long YES 1/1
18 45 03 -63 57 52 !SCR1845-6357 AB plot data 17.34 long ...
18 45 57 -28 55 53 !LTT07434 AB plot data 07.45 MAYBE YES 1/1
18 48 22 -68 55 25 !SCR1848-6855 AB plot ..... ~15? long YES 1/1 Needs new orbit fit
19 12 15 +02 53 11 !GJ0748 AB plot data 02.50 Vri20 ... cali
19 20 48 -45 33 27 ?GJ0754 plot data 52.98 acce no 0/1
19 34 04 -52 25 14 ?L275-026 plot data 01.97 weak no 0/1 TJH says none
19 51 40 -31 00 21 !UPM1951-3100 AB plot data 02.96 WAIT YES 2/2
20 15 23 -56 45 54 ?L209-071 ABC plot ...... ........ ........ YES 1/1 AC-B 9", AC 0.80" --- P ~ 100 yr?
20 29 48 +09 41 23 !GJ0791.2 AB plot data 01.47 cali ...
20 33 02 -49 03 11 !LEHPM2-1265 AB plot data 05.05 DONE ...
20 45 02 -63 32 06 ?SIP2045-6332 plot ...... ........ work ... elevated on HRD
20 49 10 -40 12 07 !SCR2049-4012 AB plot data 01.72 WAIT YES 2/2 upda Hen18
20 55 38 -14 02 08 !LHS0501 AC plot data 01.86 pub! YES 4/4
20 57 54 -02 52 30 ?2MA2057-0252 plot ....... ....... none ... old orbit fit data
21 01 05 +03 07 05 !USN2101+0307 AB plot data 07.70 Vri20 ...
21 01 07 -49 07 24 !WT0766 A plot data 01.62 pub! no 0/1 Formerly LEP2101-4906 A
21 01 07 -49 07 24 !WT0766 B plot ...... ........ none ... WD; formerly LEP2101-4906 B
21 04 15 -10 37 37 ?2MA2104-1037 plot ...... ........ none ...
21 30 48 -40 42 30 ??LHS0510 plot ...... ........ ........ no 0/2 NEW 2019.0702
21 31 19 -09 47 22 !GJ0831 AB plot data 01.94 cali ...
21 34 22 -43 16 10 ?WT0792 plot ...... ........ ........ no 0/1
21 36 25 -44 01 00 ?WT0795 plot ...... ........ ...... ...
21 38 44 -33 39 55 ?LHS0512 plot ...... ........ weak no 0/2
21 39 01 -24 09 29 !GJ0836 plot data 08.00 ........ no 0/1
21 49 45 -41 38 32 ?WT0818 plot ...... ........ ........ YES 2/2 Updated 2019.0901
21 56 55 -01 54 09 ?LHS0516 plot ...... ........ ...... ...
21 58 50 -32 28 16 !LHS3739 BC plot data 06.04 DONE no 0/2 upda Rie10; LHS3739 = LHS3738 A
22 02 29 -37 04 53 ?LHS3746 plot data 16.06 acce no 0/2
22 04 11 -56 46 58 !GJ0845 BC plot data 11.49 BOUTIQ ... Dieterich+2018
22 23 07 -17 36 25 ?LHS3799 plot ...... ........ work no 0/1 Fit short-period orbit??
22 30 10 -53 44 56 !LEHPM1-4771 AB plot data 05.61 Vri20 YES 4/4 upda Win17
22 53 53 -06 46 54 ?GJ1276 plot data 45.72 acce ... Secular acceleration TEST CASE
23 03 36 -46 50 47 ?SCR2303-4650 AB plot data 12.53 long ...
23 10 42 -19 13 35 ?GJ1281 plot ...... ........ ........ ...
23 36 52 -36 28 52 ??LHS0547 plot ...... ........ ........ no 0/1
23 51 50 -25 37 37 !2MA2351-2537 AB plot data 26.17 long ...
23 59 45 -44 05 00 !LTT09828 AB plot data 11.58 Vri20 ... upda Win17

MASSIF Pile of Rocks: Beyond 25 pc
RA DEC Name Plot Data 2019.0322 Notes
06 32 20 -09 43 29 ?UPM0632-0943 plot Relative parallax d = 25.96 pc
15 31 54 +28 51 10 !LHS3080 AB plot weak SOAR resolved comp 0.1" 13.3d; DROP --- d > 25pc
18 09 27 +27 55 23 ?G182-041 AB plot data none DROP --- d ~ 100 pc

VARIAB Pile of Wiggles: Cycles of the Night
RA / DEC Flag Name Light Curve Fits Pcyc(yr) Status Last Reduction Sample obslist.astr Notes
00 04 37 -40 44 03 VV? GJ1001A light curve weak 2019.0213 SURVEY Active |
00 08 54 +20 50 18 VV? G131-026AB light curve work 2012.0404 YOUNG! Active | alt curve
00 09 45 -42 01 40 VV? LEHPM1-0255AB light curve work 2019.0212 Active |
00 17 24 -66 45 13 VVR SCR0017-6645 light curve rotm 2016.0712 Inactive | mild VV? but mostly rot
00 24 44 -27 08 24 VV! GJ2005ABC light curve GP pub! 2019.1114 SURVEY Active | 1.5 cycles
00 27 50 -32 33 06 VVR GJ2006A light curve rotm 2011.0610 YOUNG! Active | Beta Pic member
00 27 50 -32 33 06 VV? GJ2006B light curve work 2011.0610 YOUNG! Active | Beta Pic member
01 04 29 -38 27 48 VV! G269-089 light curve work 2021.0617 Active | ASAS-SN supports cycle
01 09 19 -24 30 23 VV? GJ2021 light curve weak 2020.1208 Inactive | Possible weak cycle trend in ASAS-SN.
01 10 23 -67 26 42 VVX GJ0054AB light curve none 2019.0709 SURVEY Active |
01 11 25 +15 26 22 VV? LP467-016AB light curve upda 2011.0610 YOUNG! Active | alt curve
01 13 16 -54 29 14 VV! DEN0113-5429 light curve long 2019.1125 Active |
01 28 40 -14 58 04 VV? SCR0128-1458AB light curve LS work 2022.0220 SURVEY Active |
01 35 14 -07 12 52 VVR BAR161-012 light curve rotm 2015.0616 Inactive | Flare (TSN43)
01 43 45 -06 02 40 VVR SCR0143-0602 light curve rotm 2015.0622 Inactive | Flare (TSN43). p=115d eclipsing binary (per Eliot) with strong modulation in TESS.
01 51 04 -06 07 05 VV? LHS1302 light curve LS weak 2022.0209 SURVEY YOUNG! Active |
01 53 50 -10 32 11 VV? LHS1311 light curve work 2020.1208 Active |
02 00 13 +13 03 08 VV? GJ0083.1 light curve LS work 2021.0608 Active |
02 10 04 -08 53 00 VV? LP709-043 light curve weak 2022.0609 Active |
02 22 18 -36 51 51 VV! LP941-057 light curve pub! 2021.0608 Active |
02 22 44 -60 22 48 VVR SCR0222-6022 light curve rotm 2015.0819 YOUNG! Inactive | Likley member of Tyc-Hor association (~45Myr age) per TSN43
02 36 32 -59 28 10 VV? APM0018 light curve weak 2019.0702 SURVEY Active |
02 36 52 -52 03 04 VVR 2MA0236-5203 light curve rotm 2015.0819 YOUNG! Inactive | Likley member of Tyc-Hor association (~45Myr age) per TSN43
02 39 17 -26 49 18 VV? LP886-073 light curve mess 2020.1208 YOUNG! Inactive | Weird rotation behavior? Possible flare in last epoch?
02 45 14 -43 44 11 VVR LP993-115A light curve mess 2019.0711 SURVEY YOUNG! Active |
02 45 14 -43 44 11 VV! LP993-115BC light curve long 2019.0711 YOUNG! Active |
02 48 41 -16 51 22 VV? LP771-021 light curve weak 2019.0208 Inactive | Reviewed and made inactive
02 53 01 +16 52 53 VVX TEE0253+1652 light curve none 2021.0524 Active |
02 54 33 -51 08 31 VVR 2MA0254-5108A light curve rotm 2015.0623 YOUNG! Inactive | Flare? Likley member of Tyc-Hor association (~45Myr age) per TSN43
02 54 33 -51 08 31 VVR 2MA0254-5108B light curve rotm 2015.0623 YOUNG! Inactive | Strong rot and scatter. Likley member of Tyc-Hor (~45Myr age) per TSN43
03 03 48 -12 51 19 VV! LP711-044A light curve work 2020.1130 Active |
03 03 48 -12 51 19 VV? LP711-044B light curve work 2020.1130 Active |
03 13 23 +04 46 28 VV? GJ1057 light curve work 2019.0213 Active |
03 36 00 -44 30 46 VV! GJ1061 light curve GP LS >10 pub! 2021.0513 SURVEY Active | Varying amplitude
03 50 44 -06 05 44 VV! GJ1065 light curve work 2019.1206 SURVEY Active | Varying amplitude?
03 52 42 +17 01 04 VV! LHS1610AB light curve long 2019.0606 Active |
03 56 24 -31 11 38 VVR UPM0356-3111 light curve rotm 2021.0604 SURNOT Inactive |
04 13 27 -01 39 21 VVR RX0413-0139 light curve rotm 2015.0629 Inactive |
04 13 46 -05 09 03 VV! G160-054ABC light curve work 2020.1209 Active | ASAS-SN shows likely cycle trend matching ours well
04 17 18 +08 49 20 VVR G007-034 light curve rotm 2011.0612 YOUNG! Active | alt curve AB Dor member
04 26 33 -30 48 02 VVR LHS5094 light curve upda 2013.0422 SURVEY Active |
04 28 06 -62 09 25 VV! L130-037 light curve LS pub! 2021.0519 Active |
04 28 51 -22 53 22 VV? 2MA0428-2253 light curve NM work 2022.0209 Active |
04 35 36 -25 27 35 VVR LP834-032 light curve rotm 2012.0509 YOUNG! Active | AB Dor member
04 51 01 -34 02 15 VVR 2MA0451-3402 light curve rotm 2018.0202 Inactive |
04 52 24 -16 49 22 VV! LP776-025 light curve work 2020.0122 SURVEY YOUNG! Active |
04 59 24 -30 55 58 VVR LP891-046 light curve rotm 2018.0601 Inactive | Beautiful rot in MEarth data, they publish p_rot=~81.5d
05 01 24 -00 10 45 VVR 2MA0501-0010 light curve mess 2021.0618 SURNOT Inactive |
05 01 57 -06 56 47 VV! LHS1723 light curve LS 07.9 pub~ 2021.0105 SURVEY Active | 2 to 3 cycles, but may be explained by just rotation with GP
05 03 20 -17 22 25 VV? LHS1731 light curve work 2021.0518 SURVEY Active | ASAS data support cycle
05 14 54 -33 04 30 VVR L521-011 light curve rotm 2019.0201 SURNOT Inactive |
05 17 24 -35 21 46 VV! L449-001AB light curve LS 12.1 pub! 2019.1209 SURVEY YOUNG! Active |
05 31 57 -03 03 36 VV? UPM0531-0303A light curve weak 2020.0224 Active |
05 31 57 -03 03 36 VV? UPM0531-0303B light curve weak 2020.0224 Active |
05 31 57 -03 03 36 VVR UPM0531-0303C light curve rotm 2020.0224 Active |
05 33 28 -42 57 21 VV! SCR0533-4257AB light curve pub~ 2019.0411 SURVEY YOUNG! Active |
05 45 31 -11 58 03 VV? UPM0545-1158 light curve weak 2021.0520 Active | long
06 00 04 +02 42 20 VV! G099-049 light curve LS mess 2021.0521 Active | rotm
06 04 52 -34 33 40 VV! APCOL light curve pub~ 2018.0221 SURVEY YOUNG! Active |
06 10 56 -43 24 36 VV! GJ1088 light curve long 2019.0711 SURVEY Active |
06 13 13 -27 42 06 VVR SCR0613-2742AB light curve rotm 2019.0415 YOUNG! Active |
06 29 23 -02 48 50 VV! GJ0234AB light curve GP LS pub! 2020.0326 SURVEY Active | 3 cycles
06 33 43 -75 37 48 VV! L032-009A light curve pub~ 2019.0213 SURVEY Active |
06 33 43 -75 37 48 VV! L032-009B light curve work 2019.0213 SURVEY Active |
07 02 50 -61 02 48 VV! SCR0702-6102AB light curve LS 09.2 pub~ 2019.0326 SURVEY Active | 2 cycles
07 13 11 -05 11 49 VV? SCR0713-0511 light curve upda 2013.1108 SURVEY Active |
07 27 25 +05 13 33 VV! GJ0273 light curve pub! 2021.0520 Active |
07 36 10 -51 54 54 VVX LHS1932 light curve none 2020.0123 SURVEY Active | ASAS-SN suggests possible VV! but likely blending occuring
07 36 25 +07 04 44 VV! G089-032AB light curve LS <30 pub! 2020.0928 Active |
07 40 12 -42 57 44 VV! SCR0740-4257 light curve upda 2019.0707 SURVEY Active | Possible pub~ or pub! after upda
07 44 40 +03 33 09 VV! GJ0285 light curve LS pub! 2021.0520 SURVEY Active | YZ CMi. ASAS confirms VV!. Literature cycle.
07 51 55 -00 00 12 VV? GJ1103 light curve work 2021.0119 SURVEY Active | VV!/pub~ if arc down continues. Nearing background star, will need small aperture.
07 54 55 -29 20 57 VV! LHS1955AB light curve LS mess 2021.0616 SURVEY Active | long
07 54 55 -29 20 57 VV? SCR0754-3809 light curve NM weak 2021.0520 SURVEY Active |
08 11 58 +08 46 28 VV! GJ0299 light curve LS 07.7 pub! 2021.0210 Active | Favorite pub!
08 12 32 -24 44 42 VVX DEN0812-2444 light curve none 2021.0210 Inactive |
08 12 41 -21 33 07 VV! GJ0300 light curve GP LS 07.3 pub! 2019.0704 SURVEY Active | Varying amplitude? 2.5 cycles
08 18 07 -68 18 44 VV! L098-059 light curve LS pub~ 2021.0524 SURVEY Active |
08 27 12 -44 59 21 VVX LHS2010 light curve none 2020.0127 SURVEY Active | Very long-term low-amplitude trend in our data?
08 30 32 +09 47 13 VV! LHS2021 light curve work 2013.0207 Active | alt curve
08 40 59 -23 27 23 VV! GJ0317 light curve mess 2021.0520 SURVEY Active |
08 55 20 -23 52 18 VV! LHS2071AB light curve LS 08.2 pub! 2020.0906 SURVEY Active | 1.5 cycles
09 01 10 +01 56 35 VVX LTT12366ABC light curve none 2022.0601 YOUNG? Active |
09 07 03 -22 08 51 VV! LHS2106 light curve long 2019.0704 SURVEY Active |
09 15 36 -10 35 47 VV! LHS6167AB light curve LS 08.4 pub~ 2020.0831 SURVEY Active | 2 cycles
09 17 05 -77 49 21 VVR GJ1123 light curve rotm 2018.0216 SURVEY Active |
09 39 46 -41 04 03 VV! GJ0358 light curve LS 12.5 pub! 2019.1111 SURVEY Active |
09 42 47 -68 53 16 VV! GJ1128 light curve LS 05.2 pub! 2019.1004 SURVEY Active | Poor fit. 2 to 3 cycles
09 44 54 -12 20 54 VVR G161-071 light curve rotm 2019.0625 SURVEY YOUNG! Active |
09 53 55 +20 56 48 VV! LHS2206 light curve LS ~20 pub! 2021.0615 Active | ASAS-SN supports cycle
10 18 14 -20 28 43 VVR LP790-002A light curve upda 2016.0304 YOUNG! Active | Instigator RTW (but not in core sample)
10 18 14 -20 28 43 VVX LP790-002B light curve upda 2016.0304 YOUNG! Active | Instigator RTW (but not in core sample)
10 43 03 -09 12 41 VV? WT1827AB light curve work 2020.1103 SURVEY Active |
10 48 13 -11 20 14 VV? LHS0292 light curve work 2018.0323 SURVEY Active | ASAS-SN shows strong trend too but has suspicously large amplitude
10 50 52 +06 48 29 VV? GJ0402 light curve work 2020.0311 Active | ASAS-SN suggests long-period rotation, possible weak cycle.
10 56 29 +07 00 53 VV! GJ0406 light curve pub! 2019.0312 Active | 1.5 cycles
10 58 28 -10 46 31 VV? LP731-076 light curve work 2020.0124 SURVEY YOUNG! Active |
11 09 53 -24 14 59 VVR DEN1109-2414 light curve rotm 2021.0510 SURNOT Inactive |
11 10 01 -74 36 15 VVX LHS2360 light curve fake 2021.0603 SURNOT Inactive | Blending causing false trend
11 21 49 -13 13 08 VV! LHS2397AAB light curve GP LS 04.5 pub! 2020.0923 SURVEY Active | 2 to 3 cycles
11 26 40 -50 03 55 VV? 2MA1126-5003 light curve upda 2013.0425 SURVEY pending | Possible blending, VV! if not, pending careful reduction
11 31 47 -41 02 47 VVR GJ0431 light curve rotm 2020.0126 SURVEY Active |
11 32 41 -26 51 54 VVR RX1132-2651A light curve rotm 2011.0620 YOUNG! Active | TWA member
11 32 41 -26 51 54 VVR RX1132-2651B light curve rotm 2011.0620 YOUNG! Active | TWA member Flare Removed
11 38 27 -41 22 12 VV? GJ1147 light curve weak 2020.0122 SURVEY Active |
11 41 22 -36 24 35 VV! SIP1141-3624 light curve LS pub~ 2021.0409 SURVEY Active | ASAS-SN supports cycle
12 14 09 -23 45 17 VV? SCR1214-2345AB light curve weak 2020.0313 SURVEY Active | Good chance just VVR/rotm
12 14 40 -46 03 14 VVR SCR1214-4603 light curve upda 2016.0413 SURVEY Active | Beautiful rotation in MEarth, they report (and I also get) p_rot=~39d
12 23 03 -46 37 36 VV? GJ1157 light curve work 2020.0122 SURVEY Active |
12 27 45 -03 15 00 VV? LP615-149AB light curve work 2019.0711 Inactive | upda, revive if trend continues?
12 33 17 +09 01 15 VV! GJ0473AB light curve upda 2018.0908 Active | Bondar1995 cycle with p_cyc=~17-35yr based on archival plates from ~1960-1990
12 59 05 -43 36 24 VV! SIP1259-4336 light curve LS pub! 2021.0409 SURVEY Active |
13 13 09 -41 30 40 VVR ER2AB light curve rotm 2019.0517 SURVEY Active | Possible VV?
13 24 47 -05 04 19 VV? G014-052AB light curve weak 2020.0124 Inactive |
13 34 07 -56 24 26 VVR UPM1334-5624 light curve rotm 2021.0212 SURNOT Inactive |
13 50 24 -21 37 17 VV! L691-021 light curve work 2021.0215 SURNOT Active | ASAS-SN supports cycle
13 58 19 -13 16 24 VVR LP739-003 light curve mess 2020.0206 SURVEY Active |
14 07 56 -34 03 47 VV? UPM1407-3403 light curve work 2019.0214 Active |
14 09 58 -24 03 39 VVR UPM1409-2403 light curve rotm 2019.0220 Inactive | ASAS-SN data suggest likely rotation
14 12 00 -41 32 22 VV! WT0460AB light curve LS 28.9 pub! 2019.0416 SURVEY Active | $$
14 16 24 +13 48 27 VV! SDS1416+1348AB light curve upda 2018.0221 SURVEY Active | Possible pub! or pub~
14 21 15 -01 07 18 VV! LHS2899 light curve work 2019.0416 SURVEY Active |
14 26 05 -29 46 49 VVR UPM1426-2946 light curve rotm 2021.0406 SURNOT Inactive |
14 29 43 -62 40 46 VVR Proxima light curve rotm 2021.0512 Active |
14 34 17 -12 31 10 VVX GJ0555 light curve none 2019.0417 SURVEY Active |
14 37 53 -34 39 17 VVR LTT05790AB light curve mess 2021.0222 SURNOT Inactive |
14 44 07 -34 26 47 VV! SCR1444-3426 light curve work 2019.1003 SURVEY Active |
15 02 08 -71 18 01 VVR L072-010 light curve rotm 2020.0122 YOUNG? Inactive |
15 19 27 -07 43 20 VVX GJ0581 light curve none 2021.0521 SURVEY Active | literature cycle claims
16 30 18 -12 39 45 VV! GJ0628 light curve work 2021.0215 SURVEY Active |
16 45 17 -38 48 30 VV? GJ2122AB light curve weak 2020.0426 SURVEY Active |
16 50 58 +22 27 06 VV! G169-029 light curve LS <40 pub~ 2019.0707 Active |
16 57 06 -04 20 56 VVR GJ1207 light curve rotm 2019.0710 SURVEY YOUNG! Active | Flare Removed
17 12 05 -03 23 28 VVX SIP1712-0323 light curve none 2020.0202 Inactive | Flare Removed
17 15 19 +04 57 50 VV? GJ1214 light curve work 2021.0519 Active |
17 20 53 -17 25 39 VVR OUT1720-1725 light curve rotm 2021.0615 SURNOT Inactive |
17 28 07 -62 27 14 VV? LTT06933 light curve work 2019.0419 SURVEY Active |
17 32 22 -47 36 58 VVR UPM1732-4736 light curve rotm 2021.0615 SURNOT Inactive |
17 35 14 -48 40 51 VV! GJ0680AB light curve upda 2020.0209 SURVEY Active |
17 38 33 -58 32 34 VVR L204-148 light curve rotm 2019.0422 SURVEY Active |
17 50 25 -00 16 15 VV! 2MA1750-0016* light curve upda 2020.0908 SURVEY Active | BRW. *2017 crossing background star, possible contamination
18 16 12 -58 44 06 VVR SCR1816-5844 light curve rotm 2015.0623 Inactive |
18 49 06 -03 15 18 VVR LP691-015 light curve rotm 2019.0731 Inactive | VVR supported by ASAS-SN, which I got rough p_rot=~120days from
18 49 49 -23 50 10 VV? GJ0729 light curve weak 2019.0222 SURVEY Active | p_cyc=~7.1yr in Suarez2016 with ASAS, but suspect and likely blended.
18 49 51 -57 26 48 VV! LHS3413 light curve long 2020.0116 SURVEY Active |
18 52 25 -37 30 36 VV? L489-043 light curve LS work 2021.0406 SURVEY Active | pending psf fit reduc to confirm VV!
19 20 48 -45 33 27 VV? GJ0754 light curve weak 2019.0701 SURVEY Active |
19 21 39 +20 52 02 VV? GJ1235 light curve work 2020.0130 Active | MEarth show low-amplitude trend similar to ours, but crowded field.
19 31 05 -03 06 18 VV! SCR1931-0306 light curve long 2019.0212 Active |
19 42 13 -20 45 48 VV? SCR1942-2045 light curve LS work 2021.0406 SURVEY Active | possible contamination
19 43 25 -37 22 11 VVR 2MA1943-3722AB light curve rotm 2020.0306 Inactive |
20 20 44 -28 06 07 VV! LP927-008 light curve work 2019.0912 SURNOT Active |
20 36 08 -36 07 12 VV! SCR2036-3607 light curve LS work 2022.0207 SURVEY YOUNG! Active | rotm+long
20 40 34 +15 29 57 VV? GJ1256 light curve mess 2020.0311 Active | ASAS-SN supports unclear cycle, maybe short 2.5yr period
20 41 51 -32 26 07 VVR GJ0799A light curve upda 2012.0809 YOUNG! Active | alt curve
20 41 51 -32 26 07 VVR GJ0799B light curve upda 2012.0809 YOUNG! Active | alt curve
20 46 37 -81 43 14 VV? LHS3583 light curve weak 2020.0122 SURVEY Active |
20 52 33 -16 58 29 VVR LP816-060 light curve rotm 2018.0313 SURVEY Active |
20 55 38 -14 02 08 VV! LHS0501AC light curve long 2019.1202 SURVEY Active |
20 55 38 -14 02 08 VV! LHS0501B light curve pub~ 2019.1202 Active |
20 56 27 -24 00 11 VVR LP872-027 light curve rotm 2021.0407 SURNOT Inactive |
21 11 14 -22 48 16 VVR LP873-009 light curve rotm 2021.0408 SURNOT Inactive |
21 31 19 -09 47 22 VV! GJ0831AB light curve LS 09.4 pub! 2018.1102 SURVEY Active | 1.5 cycles
21 34 22 -43 16 10 VV? WT0792 light curve weak 2019.0915 SURVEY Active |
21 36 25 -44 01 00 VVX WT0795 light curve none 2020.0121 SURVEY Active |
21 46 43 -85 43 05 VVR L002-077 light curve rotm 2022.0613 SURVEY Active |
21 48 53 -19 47 27 VV? LP818-034 light curve upda 2021.0408 SURNOT Active |
21 49 32 -63 06 54 VVX LHS3719 light curve none 2020.0117 SURVEY Active |
21 57 13 -09 03 25 VV! LP759-006 light curve pub~ 2021.0409 SURNOT Active |
22 02 29 -37 04 53 VV? LHS3746 light curve LS 08.1 work 2021.0407 SURVEY Active | 1.5 to 2 cycles if real
22 10 13 -71 46 06 VV! LEHPM1-4416 light curve pub~ 2021.0505 Active |
22 23 07 -17 36 25 VV? LHS3799 light curve weak 2018.1006 SURVEY YOUNG! Active |
22 35 05 -42 17 47 VV! LTT09084AB light curve work 2019.0911 Active | ASAS-SN shows likely cycle trend matching ours well
22 38 30 -65 22 42 VV? GJ0865AB light curve work 2020.0206 SURVEY Active |
22 38 46 -20 37 16 VV? GJ0867CD light curve upda 2015.0207 Active | ASAS shows very strong trend, but ABCD likely blended, and our data don't match.
22 41 58 -69 10 08 VV? LHS3844 light curve work 2020.1221 SURVEY Active | MEarth shows rot (I got p_rot=~130d), but maybe matches long trend.
22 45 00 -33 15 26 VV? LP984-092 light curve weak 2012.0807 YOUNG! Inactive | Likley just VVR. Beta Pic member.
22 48 05 -24 22 08 VV? LP876-010 light curve LS work 2021.0324 SURVEY Active |
22 49 08 -28 51 20 VVR LP932-083 light curve rotm 2013.0308 Inactive |
22 53 17 -14 15 49 VV? GJ0876 light curve LS mess 2021.0524 SURVEY Active |
23 06 29 -05 02 29 VVX 2MA2306-0502 light curve none 2021.0525 SURVEY Active | TRAPPIST1. Bad epoch removed curve.
23 10 42 -19 13 35 VV? GJ1281 light curve weak 2020.0313 Active | Suspiciously very strong trend in ASAS-SN, but shound't be blended.
23 30 12 -20 23 18 VV! GJ1284AB light curve long 2012.0529 SURVEY YOUNG! Active |
23 35 11 -02 23 25 VV! GJ1286 light curve LS pub~ 2021.0324 SURVEY Active | Likely pub! after upda
23 36 52 -36 28 54 VV! LHS0547 light curve work 2019.0629 SURVEY Active |
23 41 39 -06 35 50 VVR LP703-042 light curve rotm 2021.0412 SURNOT Inactive |
23 50 32 -09 33 33 VV? LHS4021 light curve weak 2020.0227 SURNOT Active | 87d P_rot from ASAS-SN. ASAS-SN suggests VV? too but maybe weak corruption?

Master Target Lists

  • MASSIF Red Dwarfs
  • HST-FGS Results
  • Master SIM Observing List (21 JAN 2006)
  • RECONS members skipped by SIM Exoplanet teams (courtesy of Charlie Finch)

    • combine following lists with those above

  • Master Nearby Multiples List
  • Red Dwarf Speckle List
  • 20-20-20 Program (Names)
  • 20-20-20 Photometry/Spectral Types
  • 20-20-20 Observation Status (out of date)
  • FGS Summary (out of date)

    • TENTEN Project Results

  • 1. GJ 65 AB data
  • 2. GJ 166 BC data
  • 3. GJ 185 AB data
  • 4. GJ 257 AB data
  • 5. GJ 618 AB data
  • 6. GJ 661 AB data
  • 7. GJ 667 AB data
  • 8. GJ 695 BC data
  • 9. GJ 799 AB data
  • 10. GJ 860 AB data
  • 11. GJ 1116 AB data
  • 12. GJ 1103 data --- not a binary

    • Mass-Luminosity Relation for Red Dwarfs

  • 2006: MLR-VLM (.jpg)       MLR-VLM (.ps)
  • 2005: MLR-VLM (.jpg)       MLR-VLM (.ps)
  • 2003: MLR-VLM (.jpg)       MLR-VLM (.ps)

    • 20-20-20 Orbit Results

    Speedy Gonzales Systems (P < 5 years)

  • GJ 54 AB              after Cycle 14 data
  • GJ 54 AB              after Cycle 13 data
  • GJ 54 AB              after Cycle 12 data
  • GJ 54 AB              data file
  • GJ 623 AB            10 / 2003
  • GJ 623 AB            data file
  • GJ 748 AB            10 / 2003
  • GJ 748 AB            10 / 1999
  • GJ 748 AB            data file
  • GJ 831 AB            10 / 2003
  • GJ 831 AB            data file
  • G 193-027 AB (LHS 224 AB)         after Cycle 14 data
  • G 193-027 AB (LHS 224 AB)         after Cycle 13 data
  • G 193-027 AB (LHS 224 AB)         after Cycle 12 data
  • G 193-027 AB (LHS 224 AB)         after Cycle 11 data
  • G 193-027 AB (LHS 224 AB)         data file

    • Tortoise Systems (P = 10-20 years)

  • GJ 22 AC              after Cycle 13 data
  • GJ 22 AC              after Cycle 12 data
  • GJ 22 AC              after Cycle 11 data
  • GJ 22 AC              after Cycle 10 data
  • GJ 22 AC              data file
  • GJ 234 AB            after Cycle 14 data
  • GJ 234 AB            after Cycle 13 data
  • GJ 234 AB            after Cycle 12 data
  • GJ 234 AB            after Cycle 11 data
  • GJ 234 AB            after Cycle 10 data
  • GJ 234 AB            data file
  • GJ 469 AB            after Cycle 14 data
  • GJ 469 AB            after Cycle 13 data
  • GJ 469 AB            after Cycle 12 data
  • GJ 469 AB            after Cycle 11 data
  • GJ 469 AB            after Cycle 10 data
  • GJ 469 AB            data file
  • GJ 473 AB            after Cycle 14 data
  • GJ 473 AB            after Cycle 13 data
  • GJ 473 AB            after Cycle 12 data
  • GJ 473 AB            after Cycle 11 data
  • GJ 473 AB            after Cycle 10 data
  • GJ 473 AB            data file
  • GJ 1081 AB          after Cycle 16 data (pending)
  • GJ 1081 AB          after Cycle 15 data (pending)
  • GJ 1081 AB          after Cycle 14 data (pending)
  • GJ 1081 AB          after Cycle 13 data
  • GJ 1081 AB          after Cycle 12 data
  • GJ 1081 AB          after Cycle 11 data
  • GJ 1081 AB          after Cycle 10 data
  • GJ 1081 AB          data file through Cycle 14
  • GJ 1245 AC          after Cycle 14 data
  • GJ 1245 AC          after Cycle 13 data
  • GJ 1245 AC          after Cycle 12 data
  • GJ 1245 AC          after Cycle 11 data
  • GJ 1245 AC          after Cycle 10 data
  • GJ 1245 AC          data file
  • G 250-029 AB      after Cycle 16 data (pending)
  • G 250-029 AB      after Cycle 15 data (pending)
  • G 250-029 AB      after Cycle 14 data
  • G 250-029 AB      after Cycle 13 data
  • G 250-029 AB      after Cycle 12 data
  • G 250-029 AB      after Cycle 11 data
  • G 250-029 AB      after Cycle 10 data
  • G 250-029 AB      data file through Cycle 16

    • Fake Systems

  • GJ 2005 AD         FAKE !!!

    • MASSIF Spy Network pictured above ... JAN 2004 ... OCT 2004 ... JAN 2006

    MASSIF Contact Information
             Jacob Bean      bean @ astro . as . utexas . edu
             Thom Beaulieu      beaulieu @ chara . gsu . edu
             Fritz Benedict      fritz @ astro . as . utexas . edu
             Phill Cargile      p.cargile @ vanderbilt . edu
             Otto Franz      ogf @ lowell . edu
             Krupa Gandha      kgandha @ chara . gsu . edu
             Doug Gies      gies @ chara . gsu . edu
             Dave Golimowski      dag @ pha . jhu . edu
             Todd Henry      thenry @ chara . gsu . edu
             Phil Ianna      pai @ virginia . edu
             David James      david.j.james @ vanderbilt . edu
             Brian Mason      bdm @ draco . usno . navy . mil
             Barbara McArthur      mca @ astro . as . utexas . edu
             Don McCarthy      mccarthy @ as . arizona . edu
             Hektor Monteiro      monteiro @ chara . gsu . edu
             Ed Nelan      nelan @ stsci . edu
             Keivan Stassun      keivan . stassun @ vanderbilt . edu
             Willie Torres      torres @ cfa . harvard . edu
             Larry Wasserman      lhw @ lowell . edu

    MASSIF Science Team Meetings

  • MASSIF Team Meeting #03     09 JAN 2006 ..... Washington, DC
  • MASSIF Team Meeting #02     16 OCT 2004 ..... Flagstaff, AZ
  • MASSIF Team Meeting #01     09 JAN 2004 ..... Atlanta, GA

    • Presentations at Team Meetings

  • MASSIF Status            MASSIF 03 --- Henry
  • MASSIF Status            MASSIF 02 --- Henry (missing)
  • MASSIF Status            MASSIF 01 --- Henry
  • Cluster: Orion            MASSIF 03 --- Stassun
  • Cluster: Orion            MASSIF 02 --- Stassun
  • Cluster: Orion            MASSIF 01 --- Stassun
  • Cluster: M 7            MASSIF 03 --- James
  • Cluster: M 7            MASSIF 02 --- James (missing)
  • Cluster: M 7            MASSIF 01 --- none
  • Cluster: IC 2391            MASSIF 03 --- Beaulieu
  • Cluster: IC 2391            MASSIF 02 --- Beaulieu (missing)
  • Cluster: IC 2391            MASSIF 01 --- Beaulieu
  • Cluster: Pleiades & Hyades            MASSIF 03 --- Torres
  • Cluster: Pleiades & Hyades            MASSIF 02 --- Torres
  • Cluster: Pleiades & Hyades            MASSIF 01 --- Torres
  • Cluster: M 67            MASSIF 03 --- Benedict
  • Cluster: M 67            MASSIF 02 --- Benedict
  • Cluster: M 67            MASSIF 01 --- Benedict
  • Special: OB Stars            MASSIF 03 --- Gies & Mason
  • Special: OB Stars            MASSIF 02 --- Mason & Gies
  • Special: OB Stars            MASSIF 01 --- Gies
  • Special: White Dwarfs            MASSIF 03 --- Nelan
  • Special: White Dwarfs            MASSIF 03 --- Monteiro
  • Special: White Dwarfs            MASSIF 02 --- Nelan (missing)
  • Special: White Dwarfs            MASSIF 01 --- Nelan (missing)
  • Special: Red Dwarfs            MASSIF 03 --- Henry
  • Special: Red Dwarfs            MASSIF 02 --- Cargile
  • Special: Red Dwarfs            MASSIF 02 --- Henry (missing)
  • Special: Red Dwarfs            MASSIF 01 --- Henry
  • Special: Subdwarfs            MASSIF 03 --- Jao
  • Special: Subdwarfs            MASSIF 02 --- none
  • Special: Subdwarfs            MASSIF 01 --- none
  • Special: Brown Dwarfs            MASSIF 03 --- Golimowski
  • Special: Brown Dwarfs            MASSIF 02 --- Golimowski (missing)
  • Special: Brown Dwarfs            MASSIF 01 --- Golimowski
  • Special: Metallicity            MASSIF 03 --- Bean
  • Special: Metallicity            MASSIF 02 --- Bean
  • Special: Metallicity            MASSIF 01 --- Bean
  • SIM Observing Techniques            MASSIF 03 --- Benedict
  • Optical Speckle Results            MASSIF 03 --- Mason
  • Combining Techniques            MASSIF 02 --- McArthur
  • SIM Observing Techniques            MASSIF 01 --- Benedict
  • Available Astrometric Info            MASSIF 01 --- Mason

    • Gaia Comparisons

  • Gaia presentation in December 2006
  • Casertano paper on exoplanets 2008