SDSS J134524.92-023714.2

All names: WD 1342-023, Gaia DR3 3658366697926701568, Gaia DR2 3658366697926701568, SDSS J134524.92-023714.2, SDSS J134524.91-023714.2, USNO-B1.0 0873-00340719, Gaia EDR3 3658366697926701568, SDSS J134524.92-023714.20, 2QZ J134524.9-023714

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Eisenstein et al. 2006 Simbad White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 13 45 24.91 (0.4) 13 45 24.92 13 45 24.91 (0.6) 13 45 24.92 13 45 24.92 (0.4) 13 45 25.06 13 45 24.92
Declination -02 37 14.28 (0.3) -02 37 14.24 -02 37 14.28 (0.4) -02 37 14.23 -02 37 14.19 (0.3) -02 37 12.72 -02 37 14.23
Spectral type DB DB DB DB DB DB
Effective temperature [K] 40116.0 39619.0 24840.0 38200.0 (1400) 38591.0 (1862)
log(g) [cgs] 7.70 7.54 7.00 7.90 (0.2) 7.70 (0.2)
Mass [M] 0.496 0.438 0.262 0.498 (0.07)
log(Luminosity) [L]
Cooling age [Gyr] 0.0088
log(H/He) <-3.008
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] 1.07 (0.5) 0.75 (0.7) 1.07 (0.5)
Distance [pc] 936.20 (422) 1332.21 (1240) 936.24 (422)
Composition He
Proper motion (right ascension) [mas/yr] -16.72696814 (0.5) -17.97633707 (1) -16.727 (0.5)
Proper motion (declination) [mas/yr] -5.777582998 (0.3) -6.321816243 (0.8) -5.778 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.49
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.16 (0.02) 19.21 (0.03) 19.16 (0.03) 19.21 19.19 (0.03)
g magnitude 19.40 (0.01) 19.47 (0.02) 19.40 (0.01) 19.46 19.44 (0.02)
r magnitude 19.85 (0.02) 19.92 (0.03) 19.85 (0.02) 19.91 19.89 (0.03)
i magnitude 20.20 (0.04) 20.20 (0.04) 20.20 (0.04) 20.20 20.18 (0.04)
z magnitude 20.58 (0.2) 20.32 (0.1) 20.58 (0.2) 20.32 20.28 (0.1)
G magnitude 19.64 (0.04) 19.71 19.64 (0.006)
BP magnitude 19.56 (0.04) 19.58
RP magnitude 19.87 (0.09) 19.74
Pan g magnitude 19.50 (0.01)
Pan r magnitude 19.85 (0.02)
Pan i magnitude 20.15 (0.03)
Pan z magnitude 20.44 (0.05)
Pan y magnitude
E(B-V) 0.025

* 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.