Star • GDR1 5836666560185012480

Cluster: eps Cha

Proposed Clusters

Alternate Names: [FLG2003] 7; [GWT2004] HD 104237-6; [FLG2003] eps Cha 7; 2MASS J12000931-7811424; GDR2 5836666564480769280; WISEA J120008.72-781142.6; GDR1 5836666560185012480; HD 104237E

SIP Output

Aladin

Fiducial Data

Parameter	Value	Error	Unit	Reference
cluster_name	eps Cha		[char]	messina2011
ra	12 00 09.1037		h m s	gaiacollaboration2016
dec	-78 11 42.3837		d m s	gaiacollaboration2016
ra_deg	180.03793189		deg	gaiacollaboration2016
dec_deg	-78.19510659		deg	gaiacollaboration2016
pm_ra	-42.907	0.074	mas/yr	gaiacollaboration2018
pm_dec	-4.418	0.051	mas/yr	gaiacollaboration2018
plx	9.7961	0.0335	mas	gaiacollaboration2018
st_dist	102.0814	0.3491	pc	gaiacollaboration2018
spt	K4		[char]	messina2011
spt_num	54.0		[decimal allowed]	messina2011
spt_lit	K4Ve		[char]	messina2011
H_alpha	-4.5		0.1nm	feigelson2003
LiI_6708	0.5		0.1nm	feigelson2003
Av	0.299	0.23	mag	YSOPY
Teff	4330.0	197.5	K	YSOPY
log_Teff	3.636	0.02	log K	YSOPY
L_star	0.326	0.04	Lsun	YSOPY
log_L_star	-0.487	0.12	log Lsun	YSOPY
R_star	0.006		Rsun	YSOPY
M_star	0.894	0.03	Msun	YSOPY
log_M_star	-0.048	0.02	log Msun	YSOPY
age_star	15.338	1.47	Myr	YSOPY
log_age_star	7.186	0.04	log yr	YSOPY
disk_flag	True		[boolean]	fang2013
disk_desc	Disk		[char]	fang2013
acc_flag	True		[boolean]	fang2013
Mdot	8.59e-10		Msun/yr	fang2013
log_Mdot	-9.0660068362		log Msun/yr	fang2013
V	12.08		mag	feigelson2003
Rc	11.25		mag	feigelson2003
Ic	10.28		mag	feigelson2003
gaia_g	11.8384	0.0282	mag	gaiacollaboration2018
gaia_bp	12.6533	0.1464	mag	gaiacollaboration2018
gaia_rp	10.6748	0.1064	mag	gaiacollaboration2018
tm_J	9.104		mag	cutri2003
tm_H	8.254		mag	cutri2003
tm_K	7.488	0.021	mag	cutri2003
tm_flags	"UUA,0"		[char]	cutri2003
W_3p4	5.998	0.047	mag	wright2010
W_4p6	5.371	0.036	mag	wright2010
W_12	2.923	0.012	mag	wright2010
W_22	1.032	0.011	mag	wright2010
wise_flags	"AAAA,dddd"		[char]	wright2010

Non Fiducial Data

Membership

cluster_name ([char])
Value	Error	Ref.
unknown		gaiacollaboration2016
eps Cha		fang2013
eps Cha		murphy2013
eps Cha		lyo2008
eps Cha		luhman2004
eps Cha		feigelson2003

mem_num ([integer])
Value	Error	Ref.
0		gaiacollaboration2016
4		fang2013
4		feigelson2003

mem_method ([char])
Value	Error	Ref.
x, Li		luhman2004

ObsProp

spt ([char])
Value	Error	Ref.
K5.5		murphy2013
K2.5		lyo2008
K5.5		luhman2004
K2		feigelson2003
K3		skiffBMK

spt_num ([decimal allowed])
Value	Error	Ref.
55.5		murphy2013
52.5		lyo2008
55.5	0.5	luhman2004
52.0		feigelson2003
53.0		skiffBMK

spt_lit ([char])
Value	Error	Ref.
K5.5		murphy2013
K2.5		lyo2008
K5.5		luhman2004
K2		feigelson2003
K3IVe		skiffBMK

Derived Stellar Properties

Av (mag)
Value	Error	Ref.
1.0		fang2013
0.3		murphy2013

Teff (K)
Value	Error	Ref.
4278.0		murphy2013
4278.0		luhman2004
4034.34	458.515	gaiacollaboration2018

log_Teff (log K)
Value	Error	Ref.
3.63		murphy2013
3.63		luhman2004

L_star (Lsun)
Value	Error	Ref.
0.92		fang2013
0.74		murphy2013
0.67		luhman2004
0.233	0.006	gaiacollaboration2018

log_L_star (log Lsun)
Value	Error	Ref.
-0.0362		fang2013
-0.1308		murphy2013
-0.1739		luhman2004

R_star (Rsun)
Value	Error	Ref.
0.99	0.245	gaiacollaboration2018

M_star (Msun)
Value	Error	Ref.
0.9		fang2013

log_M_star (log Msun)
Value	Error	Ref.
-0.046		fang2013

age_star (Myr)
Value	Error	Ref.
2.1		fang2013
3.2		murphy2013

log_age_star (log yr)
Value	Error	Ref.
6.322		fang2013
6.505		murphy2013

Disk

disk_flag ([boolean])
Value	Error	Ref.
True		feigelson2003

disk_desc ([char])
Value	Error	Ref.
CTTS		feigelson2003

acc_flag ([boolean])
Value	Error	Ref.
True		feigelson2003

Optical Photometry

gaia_g (mag)
Value	Error	Ref.
11.559		gaiacollaboration2016

Coordinates

ra (h m s)
Value	Error	Ref.
12 00 09.317		cutri2003
12 00 09.104		gaiacollaboration2016
12 00 08.728		wright2010
12 00 09.317		messina2011
12 00 09.30		fang2013
12 00 09.3		murphy2013
12 00 09.317		lyo2008
12 00 09.32		luhman2004
12 00 09.3		feigelson2003
12 00 09.319		skiffBMK
12 00 09.097		gaiacollaboration2018

dec (d m s)
Value	Error	Ref.
-78 11 42.46		cutri2003
-78 11 42.38		gaiacollaboration2016
-78 11 42.66		wright2010
-78 11 42.46		messina2011
-78 11 42.5		fang2013
-78 11 42.5		murphy2013
-78 11 42.46		lyo2008
-78 11 42.5		luhman2004
-78 11 42.4		feigelson2003
-78 11 42.50		skiffBMK
-78 11 42.39		gaiacollaboration2018

ra_deg (deg)
Value	Error	Ref.
180.038819	110.0	cutri2003
180.03793189	0.171	gaiacollaboration2016
180.0363662	6.8012	wright2010
180.03882083		messina2011
180.03875		fang2013
180.03875		murphy2013
180.03882083		lyo2008
180.03883333		luhman2004
180.03875		feigelson2003
180.03883		skiffBMK
180.03790244	0.0324	gaiacollaboration2018

dec_deg (deg)
Value	Error	Ref.
-78.195129	160.0	cutri2003
-78.19510659	0.098	gaiacollaboration2016
-78.1951821	3.6331	wright2010
-78.19512778		messina2011
-78.19513889		fang2013
-78.19513889		murphy2013
-78.19512778		lyo2008
-78.19513889		luhman2004
-78.19511111		feigelson2003
-78.19514		skiffBMK
-78.1951071	0.0265	gaiacollaboration2018