Star • 2MASS J16181904-2028479

Cluster
Upper Sco
Proposed Clusters
Alternate Names
2MASS J16181904-2028479
[SCH2006] J16181906-20284815
PSO J161819.044-202848.165
WISEA J161819.04-202848.0
GDR2 6244683166199787392
SIP Output
Aladin

Fiducial Data

Parameter Value Error Unit Reference
cluster_name Upper Sco [char] luhman2012
ra 16 18 19.0474 h m s cutri2003
dec -20 28 47.9568 d m s cutri2003
ra_deg 244.579364 deg cutri2003
dec_deg -20.479988 deg cutri2003
pm_ra -7.867 0.249 mas/yr gaiacollaboration2018
pm_dec -24.815 0.175 mas/yr gaiacollaboration2018
plx 7.2507 0.1277 mas gaiacollaboration2018
st_dist 137.9177 2.429 pc gaiacollaboration2018
spt M4.75 [char] slesnick2008
spt_num 64.75 [decimal allowed] slesnick2008
spt_lit M4.75 [char] slesnick2008
H_alpha -11.3 0.1nm slesnick2008
Av 0.523 0.43 mag YSOPY
Teff 2950.0 104.1 K YSOPY
log_Teff 3.47 0.01 log K YSOPY
L_star 0.045 0.01 Lsun YSOPY
log_L_star -1.351 0.21 log Lsun YSOPY
R_star 0.001 Rsun YSOPY
M_star 0.089 0.03 Msun YSOPY
log_M_star -1.048 0.11 log Msun YSOPY
age_star 2.549 2.41 Myr YSOPY
log_age_star 6.406 0.43 log yr YSOPY
disk_flag True [boolean] luhman2012
disk_desc evolved [char] luhman2012
g_sloan 18.962 0.012 mag flewelling2016
r_sloan 17.403 0.003 mag flewelling2016
i_sloan 15.352 0.005 mag flewelling2016
z_sloan 14.361 0.005 mag flewelling2016
y_opt 13.823 0.005 mag (AB) flewelling2016
gaia_g 16.0662 0.0011 mag gaiacollaboration2018
gaia_bp 18.3672 0.0175 mag gaiacollaboration2018
gaia_rp 14.6259 0.002 mag gaiacollaboration2018
tm_J 12.396 0.029 mag cutri2003
tm_H 11.501 0.026 mag cutri2003
tm_K 10.959 0.021 mag cutri2003
tm_flags "AAA,0" [char] cutri2003
W_3p4 10.233 0.023 mag wright2010
W_4p6 9.734 0.021 mag wright2010
W_12 8.745 0.031 mag wright2010
W_22 7.081 0.127 mag wright2010
wise_flags "AAAB,0000" [char] wright2010

Non Fiducial Data

Membership
cluster_name ([char])
Value Error Ref.
unknown cutri2003
Upper Sco slesnick2008
mem_num ([integer])
Value Error Ref.
0 cutri2003
Derived Stellar Properties
Teff (K)
Value Error Ref.
2951.20922667 slesnick2008
3891.28 414.66 gaiacollaboration2018
log_Teff (log K)
Value Error Ref.
3.47 slesnick2008
L_star (Lsun)
Value Error Ref.
0.0602559586 slesnick2008
log_L_star (log Lsun)
Value Error Ref.
-1.22 slesnick2008
M_star (Msun)
Value Error Ref.
0.13 slesnick2008
log_M_star (log Msun)
Value Error Ref.
-0.8860566477 slesnick2008
age_star (Myr)
Value Error Ref.
2.3442 slesnick2008
log_age_star (log yr)
Value Error Ref.
6.37 slesnick2008
Optical Photometry
g_sloan (mag)
Value Error Ref.
19.13 slesnick2008
r_sloan (mag)
Value Error Ref.
17.36 slesnick2008
i_sloan (mag)
Value Error Ref.
15.38 slesnick2008
Coordinates
ra (h m s)
Value Error Ref.
16 18 19.047 cutri2003
16 18 19.045 wright2010
16 18 19.044 flewelling2016
16 18 19.039 luhman2012
16 18 19.061 slesnick2008
16 18 19.044 gaiacollaboration2018
dec (d m s)
Value Error Ref.
-20 28 47.96 cutri2003
-20 28 48.08 wright2010
-20 28 48.24 flewelling2016
-20 28 47.89 luhman2012
-20 28 48.15 slesnick2008
-20 28 48.29 gaiacollaboration2018
ra_deg (deg)
Value Error Ref.
244.579364 60.0 cutri2003
244.5793549 16.6152 wright2010
244.57935 2.0 flewelling2016
244.57933 luhman2012
244.57942 slesnick2008
244.57934928 0.1172 gaiacollaboration2018
dec_deg (deg)
Value Error Ref.
-20.479988 60.0 cutri2003
-20.4800225 18.4746 wright2010
-20.48006667 3.0 flewelling2016
-20.47997 luhman2012
-20.480042 slesnick2008
-20.4800811 0.0551 gaiacollaboration2018

All young stellar objects welcome!

Site Credits  •  Contact Us

California Institue of Technology