Star • GDR1 5209039106568647040

Cluster: eta Cha

Proposed Clusters

Alternate Names: 2MASS J08413030-7853064; USNO Anon 1; J0841.5-7853; [GRS2008] 14; 2MASS 08413030-7853064; WISEA J084130.20-785306.1; RECX 14; V* ES Cha; GDR2 5209039110864333312; ECHA J0841.5-7853; ES Cha; [LS 2004] 14; GDR1 5209039106568647040; [MHL2005] 14

SIP Output

Aladin

08 41 30.156 -78 53 6.06

FoV: 3'

Fiducial Data

Parameter

Value

Error

Unit

Reference

cluster_name

eta Cha

ra

08 41 30.1561

gaiacollaboration2016

dec

-78 53 06.0596

gaiacollaboration2016

ra_deg

130.37565049

gaiacollaboration2016

dec_deg

-78.88501655

gaiacollaboration2016

pm_ra

-30.245

0.123

gaiacollaboration2018

pm_dec

28.235

0.14

gaiacollaboration2018

plx

10.1207

0.06

gaiacollaboration2018

st_dist

98.8074

0.5858

gaiacollaboration2018

spt

M5

spt_num

65.0

[decimal allowed]

spt_lit

M5e

H_alpha

-12.0

LiI_6708

0.9

rot_period

1.73

Av

0.092

0.5

Teff

2880.0

77.9

log_Teff

3.459

0.01

L_star

0.024

0.0

log_L_star

-1.617

0.04

Non Fiducial Data

Membership

cluster_name ([char])
Value	Error	Ref.
unknown		gaiacollaboration2016

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

ObsProp

spt ([char])
Value	Error	Ref.
M4.75		luhman2004
M4		lawson2002
M4.5		skiffBMK

spt_num ([decimal allowed])
Value	Error	Ref.
64.75		luhman2004
64.0		lawson2002
64.5		skiffBMK

spt_lit ([char])
Value	Error	Ref.
M4.75		luhman2004
M4		lawson2002
M4.5Ve		skiffBMK

Derived Stellar Properties

Teff (K)
Value	Error	Ref.
2900.0		riviere-marichalar2015
3161.0		luhman2004
3883.58	364.02	gaiacollaboration2018

log_Teff (log K)
Value	Error	Ref.
3.46		riviere-marichalar2015
3.5		luhman2004

L_star (Lsun)
Value	Error	Ref.
0.02	0.01	riviere-marichalar2015
0.023		luhman2004

log_L_star (log Lsun)
Value	Error	Ref.
-1.699	0.8495	riviere-marichalar2015
-1.63827		luhman2004

Optical Photometry

gaia_g (mag)
Value	Error	Ref.
14.947		gaiacollaboration2016

Mid-Infrared Photometry

S_3p6 (mag)
Value	Error	Ref.
10.53	0.01	megeath2005

S_4p5 (mag)
Value	Error	Ref.
10.26	0.05	megeath2005

S_5p8 (mag)
Value	Error	Ref.
10.04	0.01	megeath2005

S_8 (mag)
Value	Error	Ref.
9.48	0.01	megeath2005

Coordinates

ra (h m s)
Value	Error	Ref.
08 41 30.156		gaiacollaboration2016
08 41 30.302		cutri2003
08 41 30.207		wright2010
08 41 30.302		riviere-marichalar2015
08 41 30.302		messina2011
08 41 30.302		lopez-santiago2010
08 41 30.302		sicilia-aguilar2009
08 41 30.302		gautier2008
08 41 30.302		bouwman2006
08 41 30.302		haisch2005
08 41 30.302		megeath2005
08 41 30.30		luhman2004
08 41 30.302		lawson2002
08 41 30.302		lyo2003
08 41 30.300		skiffBMK
08 41 30.150		gaiacollaboration2018

dec (d m s)
Value	Error	Ref.
-78 53 06.06		gaiacollaboration2016
-78 53 06.45		cutri2003
-78 53 06.19		wright2010
-78 53 06.45		riviere-marichalar2015
-78 53 06.45		messina2011
-78 53 06.45		lopez-santiago2010
-78 53 06.45		sicilia-aguilar2009
-78 53 06.45		gautier2008
-78 53 06.45		bouwman2006
-78 53 06.45		haisch2005
-78 53 06.45		megeath2005
-78 53 06.5		luhman2004
-78 53 06.45		lawson2002
-78 53 06.45		lyo2003
-78 53 06.40		skiffBMK
-78 53 06.04		gaiacollaboration2018

ra_deg (deg)
Value	Error	Ref.
130.37565049	0.955	gaiacollaboration2016
130.376258	60.0	cutri2003
130.3758639	44.332	wright2010
130.37625833		riviere-marichalar2015
130.37625833		messina2011
130.37625833		lopez-santiago2010
130.37625833		sicilia-aguilar2009
130.37625833		gautier2008
130.37625833		bouwman2006
130.37625833		haisch2005
130.37625833		megeath2005
130.37625		luhman2004
130.37625833		lawson2002
130.37625833		lyo2003
130.37625		skiffBMK
130.37562508	0.0648	gaiacollaboration2018

dec_deg (deg)
Value	Error	Ref.
-78.88501655	0.74	gaiacollaboration2016
-78.885124	80.0	cutri2003
-78.8850528	43.0715	wright2010
-78.885125		riviere-marichalar2015
-78.885125		messina2011
-78.885125		lopez-santiago2010
-78.885125		sicilia-aguilar2009
-78.885125		gautier2008
-78.885125		bouwman2006
-78.885125		haisch2005
-78.885125		megeath2005
-78.88513889		luhman2004
-78.885125		lawson2002
-78.885125		lyo2003
-78.88511		skiffBMK
-78.8850121	0.0686	gaiacollaboration2018