WD 1503+001

All names: SDSS J150556.90-000338.8, WD 1503+001, SDSS J150556.90-000338.9, Gaia DR2 4419390299542224128, Gaia EDR3 4419390299542224128, Gaia DR3 4419390299542224128, GALEX J150556.9-000338, SDSS J150556.89-000338.9, SDSS J150556.89-000338.7

Parameter Unit Gaia EDR3 SDSS DR12 MWDD H Gaia DR2 Stilism Harris et al. 2003 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2004 Vincent et al. 2023
Right ascension 15 05 56.88 (0.6) 15 05 56.90 15 05 56.88 (1) 15 05 56.90 (0.6) 15 05 56.90 15 05 55.75 15 05 56.90 15 05 56.90
Declination -00 03 39.19 (0.5) -00 03 38.90 -00 03 39.18 (0.6) -00 03 38.89 (0.5) -00 03 38.92 -00 03 40.32 -00 03 38.80 -00 03 38.81
Spectral type DA: DA: DA DA DA3.8 DA DA
Effective temperature [K] 19926.0 13149.0 (480) 13242.0 (553) 13211.0 (485)
log(g) [cgs] 7.92 7.87 (0.1) 7.92 (0.2) 7.87 (0.1)
Mass [M] 0.577 0.567 (0.08)
log(Luminosity) [L]
Cooling age [Gyr] 0.0562
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 1.06 (0.6) 1.21 (0.8) 1.06 (0.6)
Distance [pc] 942.41 (570) 823.52 (527) 942.42 (570)
Composition H
Proper motion (right ascension) [mas/yr] -18.95345994 (0.9) -16.04018309 (2) -18.953 (0.9) -19.7 -17.0
Proper motion (declination) [mas/yr] -18.62709921 (0.6) -19.1657039 (1) -18.627 (0.6) -30.8 -31.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.64 (0.05) 20.63 20.60 (0.05) 20.64 (0.05) 20.63 20.63 (0.05) 20.63 (0.05)
g magnitude 20.13 (0.02) 20.14 20.13 (0.02) 20.15 (0.02) 20.14 20.14 (0.02) 20.14 (0.02)
r magnitude 20.34 (0.02) 20.35 20.32 (0.03) 20.35 (0.02) 20.34 20.35 (0.02) 20.34 (0.02)
i magnitude 20.55 (0.04) 20.55 20.52 (0.04) 20.55 (0.04) 20.55 20.56 (0.04) 20.55 (0.04)
z magnitude 21.36 (0.3) 21.15 21.19 (0.3) 21.18 (0.3) 21.14 21.20 (0.3) 21.14 (0.2)
G magnitude 20.25 (0.1) 20.30 20.25 (0.007)
BP magnitude 20.17 (0.1) 20.30
RP magnitude 20.05 (0.07) 20.24
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.054

* 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.