PG 1138+425

All names: Gaia DR3 769397353324856448, UCAC4 662-055662, TIC 115869369, FBS B 294, PG 1138+425, 2MASS J11411483+4212226, GALEX J114114.9+421223, FBS 1138+424A, Gaia DR2 769397353324856448, CBS 442, KUV 352-6, UCAC2 46429261, PG1138+425, KUV 11386+4229, Gaia EDR3 769397353324856448, SDSS J114114.84+421222.3, SDSS J114114.84+421222.4

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Geier 2020 Gaia DR2 Stilism Simbad Eisenstein et al. 2006
Right ascension 11 41 14.85 (0.03) 11 41 14.84 11 41 14.83 11 41 14.85 (0.04) 11 41 14.85 (0.03) 11 41 14.84
Declination 42 12 22.38 (0.03) 42 12 22.47 42 12 23.38 42 12 22.38 (0.04) 42 12 22.57 (0.03) 42 12 22.46
Spectral type sdO sdBO SDO
Effective temperature [K] 43313.0 (2000) 38269.0 (320)
log(g) [cgs] 5.82 (0.2) 5.35 (0.06)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.53 (0.04) 0.57 (0.06) 0.57 (0.06) 0.53 (0.04)
Distance [pc] 1875.79 (146) 1765.23 (187) 1765.23 (187) 1875.82 (146)
Composition
Proper motion (right ascension) [mas/yr] 1.816333182 (0.04) 1.749 (0.07) 1.749 (0.07) 1.816 (0.04) 3.8
Proper motion (declination) [mas/yr] -12.23929806 (0.04) -12.23 (0.09) -12.23 (0.09) -12.239 (0.04) -13.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.94 (0.05)
V magnitude 16.15 (0.01)
R magnitude
I magnitude
J magnitude 15.89 (0.08) 15.89 (0.08)
H magnitude 15.56 (0.1) 15.56 (0.1)
K magnitude 15.06
u magnitude 15.30 (0.004) 15.30 (0.004) 15.30 (0.004) 15.30 (0.02)
g magnitude 15.60 (0.003) 15.61 (0.003) 15.61 (0.003) 15.68 (0.01)
r magnitude 16.03 (0.004) 16.03 (0.004) 16.03 (0.004) 16.06 (0.01)
i magnitude 16.25 (0.005) 16.25 (0.005) 16.25 (0.005) 16.27 (0.01)
z magnitude 16.44 (0.009) 16.44 (0.009) 16.44 (0.009) 16.49 (0.02)
G magnitude 15.81 (0.002) 15.83 (0.001) 15.83 15.81 (0.003)
BP magnitude 15.71 (0.002) 15.64 (0.01) 15.64
RP magnitude 15.95 (0.003) 15.95 (0.004) 15.95
Pan g magnitude 15.69 (0.006) 15.69 (0.006)
Pan r magnitude 16.03 (0.004) 16.03 (0.004)
Pan i magnitude 16.28 (0.008) 16.28 (0.008)
Pan z magnitude 16.45 (0.005) 16.45 (0.005)
Pan y magnitude 16.56 (0.007) 16.56 (0.007)
E(B-V) 0.017

* 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.