Star • GDR1 5841334605516788480

Cluster
eps Cha
Proposed Clusters
Alternate Names
GSC 9239-1572
WISEA J122021.69-740739.4
GDR1 5841334605516788480
RX J1220.4-7407
2MASS J12202177-7407393
[FLG2003] eps Cha 36
[K2001c] 65
SIP Output
Aladin

Fiducial Data

Parameter Value Error Unit Reference
cluster_name eps Cha [char] messina2011
ra 12 20 21.6407 h m s gaiacollaboration2016
dec -74 07 39.6227 d m s gaiacollaboration2016
ra_deg 185.09016968 deg gaiacollaboration2016
dec_deg -74.12767299 deg gaiacollaboration2016
st_dist 110.0 pc murphy2013
spt M1 [char] messina2011
spt_num 61.0 [decimal allowed] messina2011
spt_lit M1V [char] messina2011
rot_period 1.536 0.002 days messina2011
Uvel -11.9 km/s murphy2013
Vvel -19.8 km/s murphy2013
Wvel -8.1 km/s murphy2013
Av 0.001 0.15 mag YSOPY
Teff 3630.0 67.6 K YSOPY
log_Teff 3.56 0.01 log K YSOPY
galex_fuv 19.78 0.228 mag (AB) bianchi2011
galex_nuv 18.659 0.066 mag (AB) bianchi2011
gaia_g 11.756 mag gaiacollaboration2016
tm_J 9.26 0.023 mag cutri2003
tm_H 8.607 0.026 mag cutri2003
tm_K 8.367 0.022 mag cutri2003
tm_flags "AAA,0" [char] cutri2003
W_3p4 8.276 0.023 mag wright2010
W_4p6 8.154 0.02 mag wright2010
W_12 8.03 0.019 mag wright2010
W_22 7.97 0.18 mag wright2010
wise_flags "AAAB,0000" [char] wright2010

Non Fiducial Data

Membership
cluster_name ([char])
Value Error Ref.
unknown gaiacollaboration2016
eps Cha murphy2013
mem_num ([integer])
Value Error Ref.
0 gaiacollaboration2016
ObsProp
spt ([char])
Value Error Ref.
M0 murphy2013
M0 skiffBMK
spt_num ([decimal allowed])
Value Error Ref.
60.0 murphy2013
60.0 skiffBMK
spt_lit ([char])
Value Error Ref.
M0 murphy2013
M0e skiffBMK
Derived Stellar Properties
Av (mag)
Value Error Ref.
0.0 murphy2013
Teff (K)
Value Error Ref.
3850.0 murphy2013
log_Teff (log K)
Value Error Ref.
3.59 murphy2013
L_star (Lsun)
Value Error Ref.
0.36 murphy2013
log_L_star (log Lsun)
Value Error Ref.
-0.4437 murphy2013
age_star (Myr)
Value Error Ref.
3.3 murphy2013
log_age_star (log yr)
Value Error Ref.
6.519 murphy2013
Coordinates
ra (h m s)
Value Error Ref.
12 20 21.641 gaiacollaboration2016
12 20 21.772 cutri2003
12 20 21.691 wright2010
12 20 21.77 messina2011
12 20 21.8 murphy2013
185.090161 bianchi2011
12 20 21.790 skiffBMK
dec (d m s)
Value Error Ref.
-74 07 39.62 gaiacollaboration2016
-74 07 39.39 cutri2003
-74 07 39.48 wright2010
-74 07 39.4 messina2011
-74 07 39.4 murphy2013
-74.127742 bianchi2011
-74 07 39.50 skiffBMK
ra_deg (deg)
Value Error Ref.
185.09016968 1.207 gaiacollaboration2016
185.090715 60.0 cutri2003
185.090381 15.6008 wright2010
185.09070833 messina2011
185.09083333 murphy2013
256.352415 bianchi2011
185.09079 skiffBMK
dec_deg (deg)
Value Error Ref.
-74.12767298 0.924 gaiacollaboration2016
-74.127609 90.0 cutri2003
-74.127633 13.0438 wright2010
-74.12761111 messina2011
-74.12761111 murphy2013
-74.127742 bianchi2011
-74.12764 skiffBMK