SDSS J161942.82+240715.6

All names: Gaia EDR3 1302029716720773248, Gaia DR3 1302029716720773248, TIC 236394044, SDSS J161942.83+240715.70, SDSS J161942.82+240715.7, 2MASS J16194281+2407156, SDSSJ161942.82+240715.7, SDSS J161942.83+240715.7, Gaia DR2 1302029716720773248, SDSS J161942.82+240715.6, GALEX J161942.8+240715

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Geier 2020 Gaia DR2 Stilism Kepler et al. 2016 Simbad
Right ascension 16 19 42.82 (0.02) 16 19 42.82 16 19 42.82 16 19 42.82 (0.03) 16 19 42.83 (0.02)
Declination 24 07 15.66 (0.03) 24 07 15.68 24 07 15.70 24 07 15.66 (0.04) 24 07 15.69 (0.03)
Spectral type sdB+MS sdB sdB2.5He5+F/K
Effective temperature [K] 27741.0 (342)
log(g) [cgs] 5.23 (0.05)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.27 (0.04) 0.30 (0.06) 0.30 (0.06) 0.27 (0.04)
Distance [pc] 3741.43 (600) 3370.41 (662) 3370.26 (662) 3741.11 (600)
Composition
Proper motion (right ascension) [mas/yr] -9.878551293 (0.03) -9.783 (0.08) -9.783073454 (0.08) -9.879 (0.03)
Proper motion (declination) [mas/yr] -1.795622221 (0.04) -1.906 (0.09) -1.905967057 (0.09) -1.796 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 15.81 (0.07) 15.88 (0.006)
H magnitude 15.69 (0.1) 15.71 (0.01)
K magnitude 15.66 (0.2) 15.72 (0.02)
u magnitude 16.78 (0.007) 16.78 (0.007) 16.79 (0.02) 16.78 (0.007)
g magnitude 16.39 (0.004) 16.39 (0.004) 16.42 (0.02) 16.39 (0.004)
r magnitude 16.45 (0.005) 16.45 (0.005) 16.46 (0.02) 16.45 (0.005)
i magnitude 16.50 (0.005) 16.49 (0.005) 16.48 (0.01) 16.49 (0.005)
z magnitude 16.57 (0.009) 16.56 (0.009) 16.57 (0.02) 16.56 (0.009)
G magnitude 16.37 (0.002) 16.39 (0.0006) 16.39 16.37 (0.003)
BP magnitude 16.46 (0.002) 16.44 (0.005) 16.44
RP magnitude 16.17 (0.003) 16.17 (0.003) 16.17
Pan g magnitude 16.43 (0.003) 16.43 (0.003)
Pan r magnitude 16.46 (0.002) 16.46 (0.002)
Pan i magnitude 16.51 (0.003) 16.51 (0.003)
Pan z magnitude 16.58 (0.005) 16.58 (0.005)
Pan y magnitude 16.61 (0.005) 16.61 (0.005)
E(B-V) 0.056

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.