BD+37 442

All names: Gaia DR3 343066598739655680, HIP 9221, BD+37 442, GSC 02816-01364, TD1 30889, Gaia DR2 343066594441701504, HIC 9221, TYC 2816-1364-1, Renson 3070, TIC 67519898, BD+37442, 2MASS J01583343+3834238, Cl* NGC 752 PLA 1096, GEN# +0.03700442

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 01 58 33.43 01 58 33.43 (0.05)
Declination 38 34 23.82 38 34 23.84 (0.04)
Spectral type sdO sdOHe
Effective temperature [K] 60000.0
log(g) [cgs] 4.00
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.77 (0.2) 0.94 (0.06)
Distance [pc] 1306.17 (280) 1061.80 (70)
Composition
Proper motion (right ascension) [mas/yr] -9.988 (0.2) -10.487 (0.07)
Proper motion (declination) [mas/yr] -7.488 (0.2) -7.274 (0.07)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 9.69
V magnitude 9.92
R magnitude
I magnitude
J magnitude 10.55 (0.02) 10.55 (0.02)
H magnitude 10.68 (0.02) 10.68 (0.02)
K magnitude 10.75 (0.02) 10.75 (0.02)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 9.95 (0.002) 9.94 (0.003)
BP magnitude 9.81 (0.003)
RP magnitude 10.21 (0.003)
Pan g magnitude 9.74
Pan r magnitude 10.19
Pan i magnitude 10.55
Pan z magnitude 10.82
Pan y magnitude 11.05
E(B-V) 0.047

* 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.