Gaia DR2 63139734399542528

All names: PSO J055.6547+20.0225, UCAC4 551-007425, LAMOST J034237.14+200121.0, Gaia DR3 63139734399542528, WISE J034237.17+200121.2, Gaia DR2 63139734399542528, LAMOSTJ034237.14+200121.0, 2MASS J03423714+2001208

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 03 42 37.15 03 42 37.14 (0.05)
Declination 20 01 21.04 20 01 21.10 (0.03)
Spectral type He-sdO sdOBHe
Effective temperature [K] 45906.0 (233)
log(g) [cgs] 5.88 (0.05)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.47 (0.09) 0.54 (0.06)
Distance [pc] 2107.93 (380) 1852.19 (190)
Composition
Proper motion (right ascension) [mas/yr] 5.017 (0.2) 4.943 (0.07)
Proper motion (declination) [mas/yr] -1.752 (0.1) -1.73 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.24 (0.09) 16.24 (0.09)
H magnitude 16.57 (0.2) 16.57 (0.2)
K magnitude 15.88
u magnitude
g magnitude 16.16 (0.006)
r magnitude 16.32 (0.003)
i magnitude 16.52 (0.002)
z magnitude 16.68 (0.004)
G magnitude 16.21 (0.002) 16.18 (0.003)
BP magnitude 16.13 (0.007)
RP magnitude 16.18 (0.004)
Pan g magnitude 16.16 (0.006)
Pan r magnitude 16.32 (0.003)
Pan i magnitude 16.52 (0.002)
Pan z magnitude 16.68 (0.004)
Pan y magnitude 16.81 (0.005)
E(B-V) 0.162

* 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.