Star • 2MASS J08385150-7916136

Cluster
eta Cha
Proposed Clusters
Alternate Names
WISEA J083851.37-791613.4
J0838.9-7916
2MASS 08385150-7916136
2MASS J08385150-7916136
RECX 17
[LS 2004] 17
[MHL2005] 17
GDR2 5208993000095283968
ECHA J0838.9-7916
SIP Output
Aladin
08 38 51.503 -79 16 13.69
FoV: 3'
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Fiducial Data

Parameter
Value
Error
Unit
Reference
cluster_name
eta Cha
 
ra
08 38 51.5033
 
dec
-79 16 13.692
 
ra_deg
129.714597
 
dec_deg
-79.27047
 
st_dist
100.4238
0.8744
spt_lit
M5e
 
H_alpha
-8.0
 
LiI_6708
0.3
 
Av
0.193
0.49
Teff
2880.0
52.7
log_Teff
3.459
0.01
L_star
0.034
0.0
log_L_star
-1.463
0.08
R_star
0.001
 

Non Fiducial Data

Membership
cluster_name ([char])
Value Error Ref.
unknown cutri2003
mem_num ([integer])
Value Error Ref.
0 cutri2003
ObsProp
spt ([char])
Value Error Ref.
M5.25 luhman2004
M5.2 lyo2004a
M5 song2004
M5 skiffBMK
spt_num ([decimal allowed])
Value Error Ref.
65.25 luhman2004
65.2 lyo2004a
65.0 song2004
65.0 skiffBMK
spt_lit ([char])
Value Error Ref.
M5.25 luhman2004
M5.2 lyo2004a
M5 song2004
M5Ve skiffBMK
H_alpha (0.1nm)
Value Error Ref.
-10.3 song2004
LiI_6708 (0.1nm)
Value Error Ref.
0.5 song2004
Derived Stellar Properties
Teff (K)
Value Error Ref.
3100.0 riviere-marichalar2015
3091.0 luhman2004
3502.0 282.21 gaiacollaboration2018
log_Teff (log K)
Value Error Ref.
3.49 riviere-marichalar2015
3.49 luhman2004
L_star (Lsun)
Value Error Ref.
0.04 0.02 riviere-marichalar2015
0.035 luhman2004
log_L_star (log Lsun)
Value Error Ref.
-1.3979 0.699 riviere-marichalar2015
-1.45593 luhman2004
Near-Infrared Photometry
tm_J (mag)
Value Error Ref.
11.28 lyo2004a
tm_H (mag)
Value Error Ref.
10.72 lyo2004a
tm_K (mag)
Value Error Ref.
10.43 lyo2004a
Mid-Infrared Photometry
S_3p6 (mag)
Value Error Ref.
10.07 0.02 megeath2005
S_4p5 (mag)
Value Error Ref.
10.0 0.01 megeath2005
S_5p8 (mag)
Value Error Ref.
9.92 0.01 megeath2005
S_8 (mag)
Value Error Ref.
9.9 0.01 megeath2005
Coordinates
ra (h m s)
Value Error Ref.
08 38 51.503 cutri2003
08 38 51.376 wright2010
08 38 51.50 riviere-marichalar2015
08 38 51.50 sicilia-aguilar2009
08 38 51.50 messina2011
08 38 51.50 bouwman2006
08 38 51.50 megeath2005
08 38 51.50 luhman2004
08 38 51.5 lyo2004a
08 38 51.10 song2004
08 38 51.499 skiffBMK
08 38 51.325 gaiacollaboration2018
dec (d m s)
Value Error Ref.
-79 16 13.69 cutri2003
-79 16 13.49 wright2010
-79 16 13.7 riviere-marichalar2015
-79 16 13.7 sicilia-aguilar2009
-79 16 13.7 messina2011
-79 16 13.7 bouwman2006
-79 16 13.7 megeath2005
-79 16 13.7 luhman2004
-79 16 14 lyo2004a
-79 16 13.6 song2004
-79 16 13.69 skiffBMK
-79 16 13.33 gaiacollaboration2018
ra_deg (deg)
Value Error Ref.
129.714597 60.0 cutri2003
129.7140679 50.3298 wright2010
129.71458333 riviere-marichalar2015
129.71458333 sicilia-aguilar2009
129.71458333 messina2011
129.71458333 bouwman2006
129.71458333 megeath2005
129.71458333 luhman2004
129.71458333 lyo2004a
129.71291667 song2004
129.71458 skiffBMK
129.71385288 0.0729 gaiacollaboration2018
dec_deg (deg)
Value Error Ref.
-79.27047 130.0 cutri2003
-79.2704145 49.8209 wright2010
-79.27047222 riviere-marichalar2015
-79.27047222 sicilia-aguilar2009
-79.27047222 messina2011
-79.27047222 bouwman2006
-79.27047222 megeath2005
-79.27047222 luhman2004
-79.27055556 lyo2004a
-79.27044444 song2004
-79.27047 skiffBMK
-79.27037058 0.0847 gaiacollaboration2018