Star • GDR1 5209023129290383488

Cluster
eta Cha
Proposed Clusters
Alternate Names
[GRS2008] 11
eta Cha 11
GDR1 5209023129290383488
HPPSC160A_J084701.8-785934
GSC 9403-1016
V* EP Cha
2MASS 08470165-7859345
WISEA J084701.53-785934.1
RECX 11
2MASS J08470165-7859345
EP Cha
[MHL2005] 11
GDR2 5209023133585929984
SIP Output
Aladin

Fiducial Data

Parameter Value Error Unit Reference
cluster_name eta Cha [char] messina2011
ra 08 47 01.4861 h m s gaiacollaboration2016
dec -78 59 33.9783 d m s gaiacollaboration2016
ra_deg 131.75619206 deg gaiacollaboration2016
dec_deg -78.99277175 deg gaiacollaboration2016
pm_ra -30.123 0.047 mas/yr gaiacollaboration2018
pm_dec 26.685 0.039 mas/yr gaiacollaboration2018
rv 17.5 0.8 km/s riviere-marichalar2015
plx 10.1436 0.0258 mas gaiacollaboration2018
st_dist 98.5843 0.2507 pc gaiacollaboration2018
spt K4 [char] messina2011
spt_num 54.0 [decimal allowed] messina2011
spt_lit K4 [char] messina2011
H_alpha -4.3 0.1nm riviere-marichalar2015
H_alpha_tenp 485.0 km/s riviere-marichalar2015
LiI_6708 0.483 0.021 0.1nm mentuch2008
vsini 16.4 km/s jayawardhana2006
rot_period 4.84 0.04 days messina2011
Av 0.43 0.46 mag YSOPY
Agaia 1.481 0.27335 mag gaiacollaboration2018
Teff 4330.0 203.6 K YSOPY
log_Teff 3.636 0.02 log K YSOPY
L_star 0.823 0.14 Lsun YSOPY
log_L_star -0.084 0.17 log Lsun YSOPY
R_star 0.009 Rsun YSOPY
M_star 0.976 0.16 Msun YSOPY
log_M_star -0.011 0.09 log Msun YSOPY
age_star 2.682 1.92 Myr YSOPY
log_age_star 6.429 0.33 log yr YSOPY
log_g 3.92 0.05 log cm/s2 mentuch2008
log_nLi 3.28 0.03 dex mentuch2008
disk_flag True [boolean] bouwman2006
disk_desc Disk [char] bouwman2006
fdisk 0.04 gautier2008
acc_flag True [boolean] riviere-marichalar2015
Mdot 0.0 Msun/yr riviere-marichalar2015
log_Mdot -8.2 log Msun/yr riviere-marichalar2015
xray_flag True [boolean] lopez-santiago2010
Lx 3.16227766017e+30 erg/s lopez-santiago2010
log_Lx 30.5 log erg/s lopez-santiago2010
B 12.288 0.169 mag henden2016
V 11.13 mag lawson2001
Rc 10.47 mag lawson2001
Ic 9.76 mag lawson2001
g_sloan 11.875 mag henden2016
r_sloan 10.772 mag henden2016
i_sloan 10.321 0.273 mag henden2016
gaia_g 10.8428 0.0168 mag gaiacollaboration2018
gaia_bp 11.4758 0.0446 mag gaiacollaboration2018
gaia_rp 9.9627 0.0371 mag gaiacollaboration2018
tm_J 8.729 0.02 mag cutri2003
tm_H 8.025 0.055 mag cutri2003
tm_K 7.655 0.038 mag cutri2003
tm_flags "AAA,0" [char] cutri2003
J 8.85 mag lyo2003
H 8.06 mag lyo2003
K 7.71 mag lyo2003
L 7.03 mag haisch2005
S_3p6 7.09 0.02 mag sicilia-aguilar2009
S_4p5 6.86 0.01 mag sicilia-aguilar2009
S_5p8 6.57 0.01 mag sicilia-aguilar2009
S_8 5.97 0.01 mag sicilia-aguilar2009
S_24_fd 198.2 0.09 mJy gautier2008
S_24 3.68 0.01 mag sicilia-aguilar2009
S_70_fd 184.7 0.2 mJy gautier2008
S_70 1.8 0.02 mag sicilia-aguilar2009
S_160_fd 208.0 48.0 mJy gautier2008
S_13 228.7 mJy bouwman2006
S_33 222.4 mJy bouwman2006
W_3p4 7.231 0.038 mag wright2010
W_4p6 6.902 0.019 mag wright2010
W_12 5.388 0.015 mag wright2010
W_22 3.718 0.022 mag wright2010
wise_flags "AAAA,0000" [char] wright2010
Her_160 179.081 20.425 mJy marton2017

Non Fiducial Data

Membership
cluster_name ([char])
Value Error Ref.
unknown gaiacollaboration2016
eta Cha mentuch2008
eta Cha jayawardhana2006
mem_num ([integer])
Value Error Ref.
0 gaiacollaboration2016
Motion
pm_ra (mas/yr)
Value Error Ref.
-23.0 lawson2001
pm_dec (mas/yr)
Value Error Ref.
40.0 lawson2001
ObsProp
spt ([char])
Value Error Ref.
K5.5 luhman2004
K5 skiffBMK
K4 mamajek1999
K5 lawson2001
spt_num ([decimal allowed])
Value Error Ref.
55.5 luhman2004
55.0 skiffBMK
54.0 mamajek1999
55.0 lawson2001
spt_lit ([char])
Value Error Ref.
K5.5 luhman2004
K5IVe skiffBMK
K4 mamajek1999
K5 lawson2001
H_alpha (0.1nm)
Value Error Ref.
-3.9 2.11 jayawardhana2006
-3.0 lawson2004
-6.8 mamajek1999
H_alpha_tenp (km/s)
Value Error Ref.
345.0 86.0 jayawardhana2006
330.0 lawson2004
LiI_6708 (0.1nm)
Value Error Ref.
0.4 mamajek1999
rot_period (days)
Value Error Ref.
3.95 lawson2001
Derived Stellar Properties
Teff (K)
Value Error Ref.
4100.0 riviere-marichalar2015
4182.0 19.0 mentuch2008
4278.0 luhman2004
4355.0 lawson2001
4392.55 127.875 gaiacollaboration2018
log_Teff (log K)
Value Error Ref.
3.61 riviere-marichalar2015
3.62 0.02 mentuch2008
3.63 luhman2004
3.64 lawson2001
L_star (Lsun)
Value Error Ref.
0.55 0.3 riviere-marichalar2015
0.59 luhman2004
0.525 lawson2001
0.447 0.0075 gaiacollaboration2018
log_L_star (log Lsun)
Value Error Ref.
-0.2596 0.142 riviere-marichalar2015
-0.2291 luhman2004
-0.27984 lawson2001
R_star (Rsun)
Value Error Ref.
1.28 lawson2001
1.15 0.07 gaiacollaboration2018
M_star (Msun)
Value Error Ref.
0.9 mamajek1999
0.8 lawson2001
log_M_star (log Msun)
Value Error Ref.
-0.046 mamajek1999
-0.097 lawson2001
age_star (Myr)
Value Error Ref.
18.0 mamajek1999
4.0 lawson2001
log_age_star (log yr)
Value Error Ref.
7.26 mamajek1999
6.6 lawson2001
X-ray
xray_flag ([boolean])
Value Error Ref.
True mamajek1999
Lx (erg/s)
Value Error Ref.
1.2589254117899999e+30 mamajek1999
log_Lx (log erg/s)
Value Error Ref.
30.1 mamajek1999
Optical Photometry
V (mag)
Value Error Ref.
11.111 0.115 henden2016
gaia_g (mag)
Value Error Ref.
10.77 gaiacollaboration2016
Mid-Infrared Photometry
L (mag)
Value Error Ref.
7.08 lyo2003
S_3p6 (mag)
Value Error Ref.
7.09 0.02 megeath2005
S_4p5 (mag)
Value Error Ref.
6.86 0.01 megeath2005
S_5p8 (mag)
Value Error Ref.
6.57 0.01 megeath2005
S_8 (mag)
Value Error Ref.
5.97 0.01 megeath2005
Coordinates
ra (h m s)
Value Error Ref.
08 47 01.486 gaiacollaboration2016
08 47 01.657 cutri2003
08 47 01.531 wright2010
08 47 01.634 riviere-marichalar2015
08 47 01.634 messina2011
08 47 01.634 lopez-santiago2010
08 47 01.634 sicilia-aguilar2009
08 47 01.634 gautier2008
08 47 01.634 mentuch2008
08 47 01.634 bouwman2006
08 47 01.634 jayawardhana2006
08 47 01.634 haisch2005
08 47 01.66 luhman2004
08 47 01.634 megeath2005
08 47 01.634 lawson2004
08 47 01.634 lyo2003
08 47 01.879 marton2017
08 47 01.630 skiffBMK
08 47 01.543 henden2016
08 47 01.8 mamajek1999
08 47 01.634 lawson2001
08 47 01.481 gaiacollaboration2018
dec (d m s)
Value Error Ref.
-78 59 33.98 gaiacollaboration2016
-78 59 34.51 cutri2003
-78 59 34.11 wright2010
-78 59 34.37 riviere-marichalar2015
-78 59 34.37 messina2011
-78 59 34.37 lopez-santiago2010
-78 59 34.37 sicilia-aguilar2009
-78 59 34.37 gautier2008
-78 59 34.37 mentuch2008
-78 59 34.37 bouwman2006
-78 59 34.37 jayawardhana2006
-78 59 34.37 haisch2005
-78 59 34.5 luhman2004
-78 59 34.37 megeath2005
-78 59 34.37 lawson2004
-78 59 34.37 lyo2003
-78 59 33.76 marton2017
-78 59 34.40 skiffBMK
-78 59 34.14 henden2016
-78 59 35.2 mamajek1999
-78 59 34.37 lawson2001
-78 59 33.96 gaiacollaboration2018
ra_deg (deg)
Value Error Ref.
131.75619206 0.1 gaiacollaboration2016
131.756906 60.0 cutri2003
131.7563808 41.4365 wright2010
131.75680833 riviere-marichalar2015
131.75680833 messina2011
131.75680833 lopez-santiago2010
131.75680833 sicilia-aguilar2009
131.75680833 gautier2008
131.75680833 mentuch2008
131.75680833 bouwman2006
131.75680833 jayawardhana2006
131.75680833 haisch2005
131.75691667 luhman2004
131.75680833 megeath2005
131.75680833 lawson2004
131.75680833 lyo2003
131.75783 1134.0 marton2017
131.75679 skiffBMK
131.756428 206.0 henden2016
131.7575 mamajek1999
131.75680833 lawson2001
131.75617011 0.025 gaiacollaboration2018
dec_deg (deg)
Value Error Ref.
-78.99277175 0.106 gaiacollaboration2016
-78.99292 120.0 cutri2003
-78.9928097 41.4365 wright2010
-78.99288056 riviere-marichalar2015
-78.99288056 messina2011
-78.99288056 lopez-santiago2010
-78.99288056 sicilia-aguilar2009
-78.99288056 gautier2008
-78.99288056 mentuch2008
-78.99288056 bouwman2006
-78.99288056 jayawardhana2006
-78.99288056 haisch2005
-78.99291667 luhman2004
-78.99288056 megeath2005
-78.99288056 lawson2004
-78.99288056 lyo2003
-78.992712 216.0 marton2017
-78.99289 skiffBMK
-78.992818 134.0 henden2016
-78.99311111 mamajek1999
-78.99288056 lawson2001
-78.99276805 0.0224 gaiacollaboration2018

All young stellar objects welcome!

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