Star • GDR1 5199985246787048704

Cluster
eps Cha
Proposed Clusters
Alternate Names
GDR2 5199985216726016896
NAME T Cha B
[FLG2003] eps Cha 25
GDR1 5199985246787048704
WISEA J115504.68-791911.0
2MASS J11550485-7919108
SIP Output
Aladin

Fiducial Data

Parameter Value Error Unit Reference
cluster_name eps Cha [char] murphy2013
mem_num 4 [integer] murphy2013
ra 11 55 04.6063 h m s gaiacollaboration2016
dec -79 19 11.1188 d m s gaiacollaboration2016
ra_deg 178.76919305 deg gaiacollaboration2016
dec_deg -79.31975524 deg gaiacollaboration2016
pm_ra -41.179 0.127 mas/yr gaiacollaboration2018
pm_dec -4.336 0.086 mas/yr gaiacollaboration2018
plx 9.8862 0.0585 mas gaiacollaboration2018
st_dist 101.1511 0.5985 pc gaiacollaboration2018
spt M3 [char] murphy2013
spt_num 63.0 [decimal allowed] murphy2013
spt_lit M3 [char] murphy2013
H_alpha -6.5 0.5 0.1nm kastner2012
LiI_6708 0.55 0.01 0.1nm kastner2012
Uvel -11.2 km/s murphy2013
Vvel -20.6 km/s murphy2013
Wvel -8.1 km/s murphy2013
Av 0.004 0.29 mag YSOPY
Teff 3360.0 74.1 K YSOPY
log_Teff 3.526 0.01 log K YSOPY
gaia_g 14.818 0.0017 mag gaiacollaboration2018
gaia_bp 16.8257 0.017 mag gaiacollaboration2018
gaia_rp 13.4678 0.005 mag gaiacollaboration2018
tm_J 11.216 0.022 mag cutri2003
tm_H 10.465 0.026 mag cutri2003
tm_K 10.079 0.021 mag cutri2003
tm_flags "AAA,0" [char] cutri2003
J 11.216 0.022 mag kastner2012
H 10.465 0.026 mag kastner2012
K 10.079 0.021 mag kastner2012
W_3p4 9.89 0.023 mag wright2010
W_4p6 9.664 0.02 mag wright2010
W_12 9.314 0.031 mag wright2010
W_22 7.155 0.1 mag wright2010
wise_flags "AAAA,dd00" [char] wright2010

Non Fiducial Data

Membership
cluster_name ([char])
Value Error Ref.
unknown gaiacollaboration2016
eps Cha kastner2012
mem_num ([integer])
Value Error Ref.
0 gaiacollaboration2016
Motion
pm_ra (mas/yr)
Value Error Ref.
-40.6 5.1 kastner2012
pm_dec (mas/yr)
Value Error Ref.
-4.7 5.6 kastner2012
st_dist (pc)
Value Error Ref.
115.0 murphy2013
ObsProp
spt ([char])
Value Error Ref.
M3 skiffBMK
spt_num ([decimal allowed])
Value Error Ref.
63.0 skiffBMK
spt_lit ([char])
Value Error Ref.
M3e skiffBMK
Derived Stellar Properties
Av (mag)
Value Error Ref.
0.5 murphy2013
Teff (K)
Value Error Ref.
3415.0 murphy2013
4109.83 384.185 gaiacollaboration2018
log_Teff (log K)
Value Error Ref.
3.53 murphy2013
L_star (Lsun)
Value Error Ref.
0.092 murphy2013
log_L_star (log Lsun)
Value Error Ref.
-1.03621 murphy2013
age_star (Myr)
Value Error Ref.
6.6 murphy2013
log_age_star (log yr)
Value Error Ref.
6.82 murphy2013
Optical Photometry
gaia_g (mag)
Value Error Ref.
14.562 gaiacollaboration2016
Mid-Infrared Photometry
W_3p4 (mag)
Value Error Ref.
9.894 0.024 kastner2012
W_4p6 (mag)
Value Error Ref.
9.667 0.021 kastner2012
W_12 (mag)
Value Error Ref.
9.273 0.033 kastner2012
W_22 (mag)
Value Error Ref.
7.195 0.081 kastner2012
Coordinates
ra (h m s)
Value Error Ref.
11 55 04.856 cutri2003
11 55 04.606 gaiacollaboration2016
11 55 04.682 wright2010
11 55 04.9 murphy2013
11 55 04.819 skiffBMK
11 55 04.599 gaiacollaboration2018
11 55 04.856 kastner2012
dec (d m s)
Value Error Ref.
-79 19 10.87 cutri2003
-79 19 11.12 gaiacollaboration2016
-79 19 11.09 wright2010
-79 19 10.9 murphy2013
-79 19 11.10 skiffBMK
-79 19 11.12 gaiacollaboration2018
-79 19 10.87 kastner2012
ra_deg (deg)
Value Error Ref.
178.770235 60.0 cutri2003
178.76919305 0.476 gaiacollaboration2016
178.7695098 29.2796 wright2010
178.77041667 murphy2013
178.77008 skiffBMK
178.76916336 0.0619 gaiacollaboration2018
178.77023333 kastner2012
dec_deg (deg)
Value Error Ref.
-79.319687 120.0 cutri2003
-79.31975524 0.236 gaiacollaboration2016
-79.319746 26.3416 wright2010
-79.31969444 murphy2013
-79.31975 skiffBMK
-79.31975576 0.0475 gaiacollaboration2018
-79.31968611 kastner2012