Star • GDR1 5209009144876277504

Cluster
eta Cha
Proposed Clusters
Alternate Names
GDR1 5209009144876277504
J0836.2-7908
GDR2 5209009149172296960
2MASS J08361072-7908183
2MASS 08361072-7908183
2MASS J08361073-7908184
ECHA J0836.2-7908
[LS 2004] 18
RECX 18
[MHL2005] 18
WISEA J083610.59-790818.0
SIP Output
Aladin
08 36 10.546 -79 08 17.94
FoV: 3'
+–
×
×
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Fiducial Data

Parameter
Value
Error
Unit
Reference
cluster_name
eta Cha
 
[char]
messina2011
ra
08 36 10.5464
 
h m s
gaiacollaboration2016
dec
-79 08 17.938
 
d m s
gaiacollaboration2016
ra_deg
129.04394326
 
deg
gaiacollaboration2016
dec_deg
-79.13831611
 
deg
gaiacollaboration2016
pm_ra
-28.619
0.141
mas/yr
gaiacollaboration2018
pm_dec
28.031
0.156
mas/yr
gaiacollaboration2018
plx
10.1527
0.0894
mas
gaiacollaboration2018
st_dist
98.496
0.8673
pc
gaiacollaboration2018
spt
M5
 
[char]
messina2011
spt_num
65.0
 
[decimal allowed]
messina2011
spt_lit
M5e
 
[char]
messina2011
H_alpha
-8.3
 
0.1nm
lyo2004a
LiI_6708
0.6
 
0.1nm
lyo2004a
Av
0.3
0.49
mag
YSOPY
Teff
2880.0
85.7
K
YSOPY
log_Teff
3.459
0.01
log K
YSOPY
L_star
0.017
0.0
Lsun
YSOPY
log_L_star
-1.773
0.12
log Lsun
YSOPY
R_star
0.001
 
Rsun
YSOPY

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.
M5.5 luhman2004
M5.5 lyo2004a
M5.5 song2004
M5.5 skiffBMK
spt_num ([decimal allowed])
Value Error Ref.
65.5 luhman2004
65.5 lyo2004a
65.5 song2004
65.5 skiffBMK
spt_lit ([char])
Value Error Ref.
M5.5 luhman2004
M5.5 lyo2004a
M5.5 song2004
M5.5Ve skiffBMK
H_alpha (0.1nm)
Value Error Ref.
-7.6 song2004
LiI_6708 (0.1nm)
Value Error Ref.
0.47 song2004
Derived Stellar Properties
Teff (K)
Value Error Ref.
2900.0 riviere-marichalar2015
3058.0 luhman2004
3650.84 227.845 gaiacollaboration2018
log_Teff (log K)
Value Error Ref.
3.46 riviere-marichalar2015
3.49 luhman2004
L_star (Lsun)
Value Error Ref.
0.02 0.01 riviere-marichalar2015
0.02 luhman2004
log_L_star (log Lsun)
Value Error Ref.
-1.699 0.8495 riviere-marichalar2015
-1.699 luhman2004
Optical Photometry
gaia_g (mag)
Value Error Ref.
15.207 gaiacollaboration2016
Near-Infrared Photometry
tm_J (mag)
Value Error Ref.
11.85 lyo2004a
tm_H (mag)
Value Error Ref.
11.28 lyo2004a
tm_K (mag)
Value Error Ref.
10.95 lyo2004a
Mid-Infrared Photometry
S_3p6 (mag)
Value Error Ref.
10.57 0.03 megeath2005
S_4p5 (mag)
Value Error Ref.
10.45 0.01 megeath2005
S_5p8 (mag)
Value Error Ref.
10.4 0.01 megeath2005
S_8 (mag)
Value Error Ref.
10.37 0.01 megeath2005
Coordinates
ra (h m s)
Value Error Ref.
08 36 10.728 cutri2003
08 36 10.595 wright2010
08 36 10.73 riviere-marichalar2015
08 36 10.73 messina2011
08 36 10.73 sicilia-aguilar2009
08 36 10.73 bouwman2006
08 36 10.73 megeath2005
08 36 10.73 luhman2004
08 36 10.6 lyo2004a
08 36 10.72 song2004
08 36 10.730 skiffBMK
08 36 10.541 gaiacollaboration2018
08 36 10.546 gaiacollaboration2016
dec (d m s)
Value Error Ref.
-79 08 18.39 cutri2003
-79 08 18.09 wright2010
-79 08 18.4 riviere-marichalar2015
-79 08 18.4 messina2011
-79 08 18.4 sicilia-aguilar2009
-79 08 18.4 bouwman2006
-79 08 18.4 megeath2005
-79 08 18.4 luhman2004
-79 08 18 lyo2004a
-79 08 18.3 song2004
-79 08 18.38 skiffBMK
-79 08 17.92 gaiacollaboration2018
-79 08 17.94 gaiacollaboration2016
ra_deg (deg)
Value Error Ref.
129.044698 60.0 cutri2003
129.0441447 50.3792 wright2010
129.04470833 riviere-marichalar2015
129.04470833 messina2011
129.04470833 sicilia-aguilar2009
129.04470833 bouwman2006
129.04470833 megeath2005
129.04470833 luhman2004
129.04416667 lyo2004a
129.04466667 song2004
129.04471 skiffBMK
129.04392232 0.0694 gaiacollaboration2018
129.04394326 0.199 gaiacollaboration2016
dec_deg (deg)
Value Error Ref.
-79.138443 100.0 cutri2003
-79.1383588 49.8833 wright2010
-79.13844444 riviere-marichalar2015
-79.13844444 messina2011
-79.13844444 sicilia-aguilar2009
-79.13844444 bouwman2006
-79.13844444 megeath2005
-79.13844444 luhman2004
-79.13833333 lyo2004a
-79.13841667 song2004
-79.13844 skiffBMK
-79.13831218 0.0903 gaiacollaboration2018
-79.13831611 0.316 gaiacollaboration2016

All young stellar objects welcome!

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