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

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
log_Teff 3.526 0.01 log K YSOPY
L_star 0.101 0.0 Lsun YSOPY
log_L_star -0.994 0.05 log Lsun YSOPY
R_star 0.002 Rsun YSOPY
M_star 0.286 0.04 Msun YSOPY
log_M_star -0.544 0.06 log Msun YSOPY
age_star 4.187 1.51 Myr YSOPY
log_age_star 6.622 0.14 log yr YSOPY
log_g 4.18 0.05 log cm/s2 mentuch2008
log_nLi 3.55 0.04 dex mentuch2008
disk_flag True [boolean] bouwman2006
disk_desc Disk [char] bouwman2006
fdisk 1e-06 gautier2008
acc_flag True [boolean] riviere-marichalar2015
Mdot 0.0 Msun/yr riviere-marichalar2015
log_Mdot -11.7 log Msun/yr riviere-marichalar2015
xray_flag True [boolean] lopez-santiago2010
Lx 7.94328234724e+28 erg/s lopez-santiago2010
log_Lx 28.9 log erg/s lopez-santiago2010
V 14.35 mag lawson2001
Rc 13.21 mag lawson2001
Ic 11.81 mag lawson2001
gaia_g 13.1135 0.0012 mag gaiacollaboration2018
gaia_bp 14.4934 0.0038 mag gaiacollaboration2018
gaia_rp 11.9566 0.0026 mag gaiacollaboration2018
tm_J 10.349 0.023 mag cutri2003
tm_H 9.647 0.022 mag cutri2003
tm_K 9.415 0.019 mag cutri2003
tm_flags "AAA,0" [char] cutri2003
J 10.57 mag lyo2003
H 9.86 mag lyo2003
K 9.61 mag lyo2003
L 9.31 mag haisch2005
S_3p6 9.27 0.02 mag sicilia-aguilar2009
S_4p5 9.21 0.02 mag sicilia-aguilar2009
S_5p8 9.09 0.05 mag sicilia-aguilar2009
S_8 9.15 0.01 mag sicilia-aguilar2009
S_24_fd 2.23 0.04 mJy gautier2008
S_24 8.49 0.13 mag sicilia-aguilar2009
S_13 6.1 mJy bouwman2006
S_33 3.5 mJy bouwman2006
W_3p4 9.323 0.023 mag wright2010
W_4p6 9.205 0.019 mag wright2010
W_12 9.091 0.024 mag wright2010
W_22 8.817 0.25 mag wright2010
wise_flags "AAAB,hh00" [char] wright2010

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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