Star • GDR1 5209024366240981632

Cluster
eta Cha
Proposed Clusters
Alternate Names
eta Cha 13
J0843.3-7905
[GRS2008] 15
RECX 15
2MASS 08431857-7905181
ET Cha
HPPSC100A_J084318.7-790518
USNO Anon 2
ECHA J0843.3-7905
GDR2 5209024366240981632
2MASS J08431857-7905181
V* ET Cha
RECX 15a
GDR1 5209024366240981632
[LS 2004] 15
ECHA J0843.3-7915
[MHL2005] 15
WISEA J084318.48-790517.9
SIP Output
Aladin
08 43 18.438 -79 05 17.80
FoV: 3'
+–
×
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Fiducial Data

Parameter
Value
Error
Unit
Reference
cluster_name
eta Cha
 
[char]
messina2011
ra
08 43 18.4379
 
h m s
gaiacollaboration2016
dec
-79 05 17.7952
 
d m s
gaiacollaboration2016
ra_deg
130.82682457
 
deg
gaiacollaboration2016
dec_deg
-79.08827646
 
deg
gaiacollaboration2016
pm_ra
-27.343
0.487
mas/yr
gaiacollaboration2018
pm_dec
27.323
0.571
mas/yr
gaiacollaboration2018
plx
10.9084
0.3123
mas
gaiacollaboration2018
st_dist
91.6725
2.6245
pc
gaiacollaboration2018
spt
M3
 
[char]
messina2011
spt_num
63.0
 
[decimal allowed]
messina2011
spt_lit
M3e
 
[char]
messina2011
H_alpha
-110.8
13.7
0.1nm
jayawardhana2006
H_alpha_tenp
435.0
26.0
km/s
jayawardhana2006
LiI_6708
0.6
 
0.1nm
lawson2002
vsini
14.5
 
km/s
jayawardhana2006
rot_period
12.5
 
days
lawson2002
Av
0.0
0.29
mag
YSOPY
Teff
3360.0
76.3
K
YSOPY
log_Teff
3.526
0.01
log K
YSOPY

Non Fiducial Data

Membership
cluster_name ([char])
Value Error Ref.
unknown gaiacollaboration2016
eta Cha jayawardhana2006
mem_num ([integer])
Value Error Ref.
0 gaiacollaboration2016
ObsProp
spt ([char])
Value Error Ref.
M3.25 luhman2004
M2 lawson2002
M3.5 skiffBMK
spt_num ([decimal allowed])
Value Error Ref.
63.25 luhman2004
62.0 lawson2002
63.5 skiffBMK
spt_lit ([char])
Value Error Ref.
M3.25 luhman2004
M2 lawson2002
M3.5Ve skiffBMK
H_alpha (0.1nm)
Value Error Ref.
-90.0 lawson2004
-110.0 lawson2002
H_alpha_tenp (km/s)
Value Error Ref.
530.0 lawson2004
Derived Stellar Properties
Teff (K)
Value Error Ref.
3300.0 riviere-marichalar2015
3379.0 luhman2004
3719.06 425.72 gaiacollaboration2018
log_Teff (log K)
Value Error Ref.
3.52 riviere-marichalar2015
3.53 luhman2004
L_star (Lsun)
Value Error Ref.
0.08 0.04 riviere-marichalar2015
0.083 luhman2004
0.059 0.0035 gaiacollaboration2018
log_L_star (log Lsun)
Value Error Ref.
-1.0969 0.5485 riviere-marichalar2015
-1.08092 luhman2004
R_star (Rsun)
Value Error Ref.
0.58 0.125 gaiacollaboration2018
Optical Photometry
gaia_g (mag)
Value Error Ref.
13.133 gaiacollaboration2016
Mid-Infrared Photometry
L (mag)
Value Error Ref.
8.4 lyo2003
S_3p6 (mag)
Value Error Ref.
8.38 0.03 megeath2005
S_4p5 (mag)
Value Error Ref.
7.91 0.01 megeath2005
S_5p8 (mag)
Value Error Ref.
7.42 0.03 megeath2005
S_8 (mag)
Value Error Ref.
6.51 0.01 megeath2005
Coordinates
ra (h m s)
Value Error Ref.
08 43 18.438 gaiacollaboration2016
08 43 18.579 cutri2003
08 43 18.481 wright2010
08 43 18.58 riviere-marichalar2015
08 43 18.58 messina2011
08 43 18.58 lopez-santiago2010
08 43 18.58 sicilia-aguilar2009
08 43 18.58 gautier2008
08 43 18.58 bouwman2006
08 43 18.58 jayawardhana2006
08 43 18.58 haisch2005
08 43 18.58 megeath2005
08 43 18.58 lyo2003
08 43 18.58 luhman2004
08 43 18.58 lawson2004
08 43 18.58 lawson2002
08 43 18.581 skiffBMK
08 43 18.727 marton2017
08 43 18.433 gaiacollaboration2018
dec (d m s)
Value Error Ref.
-79 05 17.80 gaiacollaboration2016
-79 05 18.19 cutri2003
-79 05 17.97 wright2010
-79 05 18.2 riviere-marichalar2015
-79 05 18.2 messina2011
-79 05 18.2 lopez-santiago2010
-79 05 18.2 sicilia-aguilar2009
-79 05 18.2 gautier2008
-79 05 18.2 bouwman2006
-79 05 18.2 jayawardhana2006
-79 05 18.2 haisch2005
-79 05 18.2 megeath2005
-79 05 18.2 lyo2003
-79 05 18.2 luhman2004
-79 05 18.2 lawson2004
-79 05 18.2 lawson2002
-79 05 18.20 skiffBMK
-79 05 17.75 marton2017
-79 05 17.78 gaiacollaboration2018
ra_deg (deg)
Value Error Ref.
130.82682457 0.365 gaiacollaboration2016
130.827411 60.0 cutri2003
130.8270041 39.7333 wright2010
130.82741667 riviere-marichalar2015
130.82741667 messina2011
130.82741667 lopez-santiago2010
130.82741667 sicilia-aguilar2009
130.82741667 gautier2008
130.82741667 bouwman2006
130.82741667 jayawardhana2006
130.82741667 haisch2005
130.82741667 megeath2005
130.82741667 lyo2003
130.82741667 luhman2004
130.82741667 lawson2004
130.82741667 lawson2002
130.82742 skiffBMK
130.828029 424.8 marton2017
130.82680316 0.2454 gaiacollaboration2018
dec_deg (deg)
Value Error Ref.
-79.08827646 0.53 gaiacollaboration2016
-79.088387 130.0 cutri2003
-79.0883249 40.3696 wright2010
-79.08838889 riviere-marichalar2015
-79.08838889 messina2011
-79.08838889 lopez-santiago2010
-79.08838889 sicilia-aguilar2009
-79.08838889 gautier2008
-79.08838889 bouwman2006
-79.08838889 jayawardhana2006
-79.08838889 haisch2005
-79.08838889 megeath2005
-79.08838889 lyo2003
-79.08838889 luhman2004
-79.08838889 lawson2004
-79.08838889 lawson2002
-79.08839 skiffBMK
-79.088264 79.2 marton2017
-79.08827231 0.3276 gaiacollaboration2018

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