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

Fiducial Data

Parameter Value Error Unit Reference
cluster_name eta Cha [char] messina2011
ra 08 38 51.5033 h m s cutri2003
dec -79 16 13.692 d m s cutri2003
ra_deg 129.714597 deg cutri2003
dec_deg -79.27047 deg cutri2003
pm_ra -28.494 0.148 mas/yr gaiacollaboration2018
pm_dec 26.619 0.191 mas/yr gaiacollaboration2018
plx 9.9578 0.0867 mas gaiacollaboration2018
st_dist 100.4238 0.8744 pc gaiacollaboration2018
spt M5 [char] messina2011
spt_num 65.0 [decimal allowed] messina2011
spt_lit M5e [char] messina2011
H_alpha -8.0 0.1nm lyo2004a
LiI_6708 0.3 0.1nm lyo2004a
Av 0.193 0.49 mag YSOPY
Teff 2880.0 52.7 K YSOPY
log_Teff 3.459 0.01 log K YSOPY
L_star 0.034 0.0 Lsun YSOPY
log_L_star -1.463 0.08 log Lsun YSOPY
R_star 0.001 Rsun YSOPY
M_star 0.068 0.01 Msun YSOPY
log_M_star -1.165 0.06 log Msun YSOPY
age_star 2.986 2.68 Myr YSOPY
log_age_star 6.475 0.3 log yr YSOPY
disk_flag True [boolean] bouwman2006
disk_desc None [char] bouwman2006
V 16.82 mag lyo2004a
Rc 15.21 mag lyo2004a
Ic 13.28 mag lyo2004a
gaia_g 14.7943 0.0005 mag gaiacollaboration2018
gaia_bp 16.9705 0.0064 mag gaiacollaboration2018
gaia_rp 13.4164 0.0022 mag gaiacollaboration2018
tm_J 11.275 0.023 mag cutri2003
tm_H 10.721 0.022 mag cutri2003
tm_K 10.428 0.023 mag cutri2003
tm_flags "AAA,0" [char] cutri2003
S_3p6 10.07 0.02 mag sicilia-aguilar2009
S_4p5 10.0 0.01 mag sicilia-aguilar2009
S_5p8 9.92 0.01 mag sicilia-aguilar2009
S_8 9.9 0.01 mag sicilia-aguilar2009
S_13 3.2 mJy bouwman2006
S_33 0.5 mJy bouwman2006
W_3p4 10.244 0.023 mag wright2010
W_4p6 9.981 0.02 mag wright2010
W_12 9.779 0.034 mag wright2010
W_22 8.782 mag wright2010
wise_flags "AAAU,h000" [char] wright2010

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