PG 0823+499

All names: TIC 71146552, SDSS J082736.77+494533.9, SBSS 0823+499, LAMOST J082736.77+494533.9, TYC 3418-2059-1, Gaia DR2 1027196919815890560, Gaia DR3 1027196919815890560, PG0823+499, PG 0823+499, GALEX J082736.6+494534, UCAC4 699-049545, 2MASS J08273677+4945339

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 08 27 36.79 08 27 36.78 (0.03)
Declination 49 45 33.95 49 45 33.90 (0.02)
Spectral type sdB sdOA
Effective temperature [K]
log(g) [cgs]
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.69 (0.06) 0.65 (0.04)
Distance [pc] 1457.30 (125) 1532.33 (84)
Composition
Proper motion (right ascension) [mas/yr] -0.739 (0.09) -0.612 (0.03)
Proper motion (declination) [mas/yr] -2.922 (0.07) -2.786 (0.03)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 12.07 (0.1)
V magnitude 12.22 (0.2)
R magnitude 12.25 (0.08)
I magnitude
J magnitude 12.31 (0.02) 12.31 (0.02)
H magnitude 12.42 (0.02) 12.42 (0.02)
K magnitude 12.44 (0.02) 12.44 (0.02)
u magnitude 12.22 (0.001)
g magnitude
r magnitude 15.11 (0.01)
i magnitude 12.58 (0.002)
z magnitude 13.88 (0.008)
G magnitude 12.01 (0.0003) 11.99 (0.003)
BP magnitude 11.89 (0.005)
RP magnitude 12.13 (0.003)
Pan g magnitude 11.86
Pan r magnitude 12.19
Pan i magnitude 12.47
Pan z magnitude 12.68
Pan y magnitude 12.84 (0.005)
E(B-V) 0.030

* 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.