Star • GDR1 5209019727676065664

Cluster
eta Cha
Proposed Clusters
Alternate Names
[MHL2005] 3
[GRS2008] 03
2MASS J08413703-7903304
V* EH Cha
USNO-A2.0 entry
EH Cha
RECX 3a
eta Cha 3
2MASS 08413703-7903304
GDR1 5209019727676065664
WISEA J084136.91-790330.2
RECX 3
GDR2 5209019731971781248
SIP Output
Aladin
08 41 36.865 -79 03 30.13
FoV: 3'
+–
×
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Fiducial Data

Parameter
Value
Error
Unit
Reference
cluster_name
eta Cha
 
[char]
messina2011
ra
08 41 36.8647
 
h m s
gaiacollaboration2016
dec
-79 03 30.1309
 
d m s
gaiacollaboration2016
ra_deg
130.40360274
 
deg
gaiacollaboration2016
dec_deg
-79.05836968
 
deg
gaiacollaboration2016
pm_ra
-28.595
0.063
mas/yr
gaiacollaboration2018
pm_dec
27.419
0.089
mas/yr
gaiacollaboration2018
rv
17.5
0.5
km/s
riviere-marichalar2015
plx
10.12
0.0365
mas
gaiacollaboration2018
st_dist
98.8142
0.3564
pc
gaiacollaboration2018
spt
M3
 
[char]
messina2011
spt_num
63.0
 
[decimal allowed]
messina2011
spt_lit
M3
 
[char]
messina2011
H_alpha
-2.66
 
0.1nm
riviere-marichalar2015
H_alpha_tenp
123.0
 
km/s
riviere-marichalar2015
LiI_6708
0.542
0.021
0.1nm
mentuch2008
vsini
10.5
0.67
km/s
scholz2007
rot_period
3.57
 
days
lawson2001
Av
0.111
0.29
mag
YSOPY
Teff
3360.0
62.7
K
YSOPY

Non Fiducial Data

Membership
cluster_name ([char])
Value Error Ref.
unknown gaiacollaboration2016
eta Cha mentuch2008
eta Cha scholz2007
eta Cha jayawardhana2006
mem_num ([integer])
Value Error Ref.
0 gaiacollaboration2016
ObsProp
spt ([char])
Value Error Ref.
M3.25 luhman2004
M3 lawson2001
M3.5 skiffBMK
M3 mamajek1999
spt_num ([decimal allowed])
Value Error Ref.
63.25 luhman2004
63.0 lawson2001
63.5 skiffBMK
63.0 mamajek1999
spt_lit ([char])
Value Error Ref.
M3.25 luhman2004
M3 lawson2001
M3.5IV-Ve skiffBMK
M3 mamajek1999
H_alpha (0.1nm)
Value Error Ref.
-1.99 0.17 scholz2007
-2.0 0.28 jayawardhana2006
-2.2 lawson2004
-2.3 mamajek1999
H_alpha_tenp (km/s)
Value Error Ref.
116.0 9.0 jayawardhana2006
85.0 lawson2004
LiI_6708 (0.1nm)
Value Error Ref.
0.6 mamajek1999
vsini (km/s)
Value Error Ref.
10.5 jayawardhana2006
Derived Stellar Properties
Teff (K)
Value Error Ref.
3200.0 riviere-marichalar2015
3508.0 12.0 mentuch2008
3379.0 luhman2004
3475.0 lawson2001
3723.12 428.98 gaiacollaboration2018
log_Teff (log K)
Value Error Ref.
3.51 riviere-marichalar2015
3.55 0.01 mentuch2008
3.53 luhman2004
3.54 lawson2001
L_star (Lsun)
Value Error Ref.
0.09 0.05 riviere-marichalar2015
0.097 luhman2004
0.093 lawson2001
0.083 0.001 gaiacollaboration2018
log_L_star (log Lsun)
Value Error Ref.
-1.0458 0.581 riviere-marichalar2015
-1.01323 luhman2004
-1.03152 lawson2001
R_star (Rsun)
Value Error Ref.
0.84 lawson2001
0.69 0.16 gaiacollaboration2018
M_star (Msun)
Value Error Ref.
0.3 lawson2001
0.3 mamajek1999
log_M_star (log Msun)
Value Error Ref.
-0.523 lawson2001
-0.523 mamajek1999
age_star (Myr)
Value Error Ref.
5.0 lawson2001
10.0 mamajek1999
log_age_star (log yr)
Value Error Ref.
6.7 lawson2001
7.0 mamajek1999
X-ray
xray_flag ([boolean])
Value Error Ref.
True mamajek1999
Lx (erg/s)
Value Error Ref.
1.25892541179e+29 mamajek1999
log_Lx (log erg/s)
Value Error Ref.
29.1 mamajek1999
Optical Photometry
gaia_g (mag)
Value Error Ref.
12.919 gaiacollaboration2016
Mid-Infrared Photometry
L (mag)
Value Error Ref.
9.11 lyo2003
S_3p6 (mag)
Value Error Ref.
9.27 0.02 megeath2005
S_4p5 (mag)
Value Error Ref.
9.21 0.02 megeath2005
S_5p8 (mag)
Value Error Ref.
9.09 0.05 megeath2005
S_8 (mag)
Value Error Ref.
9.15 0.01 megeath2005
Coordinates
ra (h m s)
Value Error Ref.
08 41 36.865 gaiacollaboration2016
08 41 37.035 cutri2003
08 41 36.915 wright2010
08 41 37.035 riviere-marichalar2015
08 41 37.035 messina2011
08 41 37.035 lopez-santiago2010
08 41 37.035 sicilia-aguilar2009
08 41 37.035 mentuch2008
08 41 37.035 bouwman2006
08 41 37.035 gautier2008
08 41 37.035 scholz2007
08 41 37.035 jayawardhana2006
08 41 37.035 haisch2005
08 41 37.03 luhman2004
08 41 37.035 megeath2005
08 41 37.035 lawson2004
08 41 37.035 lyo2003
08 41 37.035 lawson2001
08 41 37.030 skiffBMK
08 41 37.2 mamajek1999
08 41 36.860 gaiacollaboration2018
dec (d m s)
Value Error Ref.
-79 03 30.13 gaiacollaboration2016
-79 03 30.44 cutri2003
-79 03 30.26 wright2010
-79 03 30.44 riviere-marichalar2015
-79 03 30.44 messina2011
-79 03 30.44 lopez-santiago2010
-79 03 30.44 sicilia-aguilar2009
-79 03 30.44 mentuch2008
-79 03 30.44 bouwman2006
-79 03 30.44 gautier2008
-79 03 30.44 scholz2007
-79 03 30.44 jayawardhana2006
-79 03 30.44 haisch2005
-79 03 30.4 luhman2004
-79 03 30.44 megeath2005
-79 03 30.44 lawson2004
-79 03 30.44 lyo2003
-79 03 30.44 lawson2001
-79 03 30.38 skiffBMK
-79 03 30.9 mamajek1999
-79 03 30.12 gaiacollaboration2018
ra_deg (deg)
Value Error Ref.
130.40360274 0.211 gaiacollaboration2016
130.404312 60.0 cutri2003
130.4038119 46.2096 wright2010
130.4043125 riviere-marichalar2015
130.4043125 messina2011
130.4043125 lopez-santiago2010
130.4043125 sicilia-aguilar2009
130.4043125 mentuch2008
130.4043125 bouwman2006
130.4043125 gautier2008
130.4043125 scholz2007
130.4043125 jayawardhana2006
130.4043125 haisch2005
130.40429167 luhman2004
130.4043125 megeath2005
130.4043125 lawson2004
130.4043125 lyo2003
130.4043125 lawson2001
130.40429 skiffBMK
130.405 mamajek1999
130.40358188 0.0315 gaiacollaboration2018
dec_deg (deg)
Value Error Ref.
-79.05836968 0.344 gaiacollaboration2016
-79.058456 80.0 cutri2003
-79.0584061 45.611 wright2010
-79.05845556 riviere-marichalar2015
-79.05845556 messina2011
-79.05845556 lopez-santiago2010
-79.05845556 sicilia-aguilar2009
-79.05845556 mentuch2008
-79.05845556 bouwman2006
-79.05845556 gautier2008
-79.05845556 scholz2007
-79.05845556 jayawardhana2006
-79.05845556 haisch2005
-79.05844444 luhman2004
-79.05845556 megeath2005
-79.05845556 lawson2004
-79.05845556 lyo2003
-79.05845556 lawson2001
-79.05844 skiffBMK
-79.05858333 mamajek1999
-79.05836589 0.0442 gaiacollaboration2018

All young stellar objects welcome!

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