PG 2208+056

All names: UCAC4 480-134345, Gaia DR2 2720344431730779904, USNO-B1.0 0958-00573700, PG2208+056, TIC 398511328, UCAC2 33855092, PG 2208+056, Gaia DR3 2720344431730779904, 2MASS J22104645+0550145, SDSS J221046.46+055014.5

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 22 10 46.42 22 10 46.46 (0.06)
Declination 05 50 14.84 05 50 14.52 (0.05)
Spectral type sdO sdO
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] 0.16 (0.1) 0.30 (0.07)
Distance [pc] 6157.64 (3879) 3301.42 (743)
Composition
Proper motion (right ascension) [mas/yr] -0.844 (0.1) -0.873 (0.06)
Proper motion (declination) [mas/yr] -6.782 (0.1) -6.67 (0.06)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.80
V magnitude
R magnitude 14.60
I magnitude
J magnitude 16.53 (0.1) 16.53 (0.1)
H magnitude 15.92
K magnitude 15.56
u magnitude 15.48 (0.004)
g magnitude 15.81 (0.004)
r magnitude 16.28 (0.004)
i magnitude 16.59 (0.005)
z magnitude 16.85 (0.01)
G magnitude 16.08 (0.002) 16.05 (0.003)
BP magnitude 15.87 (0.01)
RP magnitude 16.26 (0.009)
Pan g magnitude 15.91 (0.002)
Pan r magnitude 16.28 (0.002)
Pan i magnitude 16.61 (0.003)
Pan z magnitude 16.86 (0.008)
Pan y magnitude 17.04 (0.006)
E(B-V) 0.063

* 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.