SDSS J162845.71+315627.0

All names: SDSS J162845.72+315627.02, SDSS J162845.71+315627.0, GALEX J162845.7+315627, Gaia DR2 1324554689883684864, Gaia EDR3 1324554689883684864, SDSS J162845.72+315627.0, SDSS J162845.72+315626.9, Gaia DR3 1324554689883684864

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Bedard et al. 2020 Gaia DR2 Stilism Kepler et al. 2015 Simbad
Right ascension 16 28 45.71 (0.06) 16 28 45.72 16 28 45.71 (0.07) 16 28 45.72 (0.06)
Declination 31 56 26.97 (0.06) 31 56 27.02 31 56 26.97 (0.08) 31 56 26.97 (0.07)
Spectral type DAO DAO/sdO DA
Effective temperature [K] 84486.0 (4350) 99018.0 (2334)
log(g) [cgs] 7.07 (0.1) 7.41 (0.1)
Mass [M] 0.48 (0.03)
log(Luminosity) [L] 1.71 (0.2)
Cooling age [Gyr] 0.0001
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 0.81 (0.08) 0.85 (0.09) 0.81 (0.08)
Distance [pc] 1233.51 (117) 1175.50 (122) 1233.50 (117)
Composition H
Proper motion (right ascension) [mas/yr] -6.888345289 (0.07) -6.867 (0.2) -6.888 (0.07)
Proper motion (declination) [mas/yr] -0.056994849 (0.09) -0.006 (0.2) -0.057 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 18.37 (0.06)
H magnitude
K magnitude
u magnitude 16.60 (0.006) 16.61 (0.02) 16.60 (0.006)
g magnitude 17.11 (0.004) 17.14 (0.02) 17.11 (0.004)
r magnitude 17.70 (0.006) 17.69 (0.02) 17.70 (0.006)
i magnitude 18.05 (0.009) 18.05 (0.02) 18.05 (0.009)
z magnitude 18.48 (0.03) 18.48 (0.04) 18.48 (0.03)
G magnitude 17.40 (0.007) 17.43 17.40 (0.003)
BP magnitude 17.22 (0.007) 17.18
RP magnitude 17.78 (0.01) 17.77
Pan g magnitude 17.18 (0.006)
Pan r magnitude 17.70 (0.005)
Pan i magnitude 18.10 (0.005)
Pan z magnitude 18.41 (0.009)
Pan y magnitude 18.60 (0.02)
E(B-V) 0.022

* 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.