WD 1137-002

All names: Gaia DR3 3795691675850916736, Gaia DR2 3795691675850916736, WD 1137-002, SDSS J114010.54-002935.4, SDSS J114010.53-002935.4, SDSS J114010.54-002935.50, [VV2003b] J114010.5-002937, 2QZ J114010.5-002936, Gaia EDR3 3795691675850916736, SDSS J114010.54-002935.5, GALEX J114010.6-002935

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Harris et al. 2003 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 11 40 10.54 (0.5) 11 40 10.54 11 40 10.54 (0.6) 11 40 10.54 (0.5) 11 40 10.54 11 40 09.72 11 40 10.54
Declination -00 29 35.59 (0.4) -00 29 35.48 -00 29 35.59 (0.5) -00 29 35.48 (0.4) -00 29 35.49 -00 29 31.92 -00 29 35.49
Spectral type DB4 DB4 DB4 DB DB3.4 DB DB
Effective temperature [K] 14808.0 13670.0 10167.0 15403.0 (372) 14278.0 (340)
log(g) [cgs] 8.46 6.96 5.88 8.00 (0.3) 7.90 (0.3)
Mass [M] 0.879 0.214 0.033
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He) -5.681
log(C/He)
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 0.91 (0.5) 1.05 (0.8) 0.91 (0.5)
Distance [pc] 1096.06 (601) 954.02 (700) 1096.01 (600)
Composition He
Proper motion (right ascension) [mas/yr] -0.878144426 (0.6) -1.93013891 (2) -0.878 (0.6) -18.1
Proper motion (declination) [mas/yr] -7.032315573 (0.4) -6.448004814 (0.9) -7.032 (0.4) -7.1
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.90
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.80 (0.03) 19.80 19.80 (0.03) 19.80 (0.04) 19.80 19.79 (0.04)
g magnitude 19.80 (0.01) 19.81 19.80 (0.01) 19.80 (0.02) 19.81 19.80 (0.02)
r magnitude 20.01 (0.02) 20.02 20.01 (0.02) 20.02 (0.02) 20.02 20.02 (0.02)
i magnitude 20.26 (0.03) 20.28 20.26 (0.03) 20.28 (0.04) 20.29 20.28 (0.04)
z magnitude 20.34 (0.1) 20.35 20.34 (0.1) 20.32 (0.1) 20.35 20.33 (0.1)
G magnitude 19.91 (0.05) 19.98 19.91 (0.006)
BP magnitude 19.89 (0.05) 19.75
RP magnitude 19.97 (0.1) 19.87
Pan g magnitude 19.84 (0.009)
Pan r magnitude 20.05 (0.02)
Pan i magnitude 20.28 (0.02)
Pan z magnitude 20.40 (0.04)
Pan y magnitude 20.18 (0.02)
E(B-V) 0.022

* 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.