WD 1548-009

All names: SDSS J155043.25-010636.3, Gaia DR3 4410150867116186496, SDSS J155043.24-010636.4, Gaia DR2 4410150867116186496, SDSS J155043.24-010636.3, Gaia EDR3 4410150867116186496, GALEX J155043.3-010635, WD 1548-009

Parameter Unit Gaia EDR3 Pan-STARRS DR1 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 50 43.23 (0.3) 15 50 43.25 15 50 43.23 (0.4) 15 50 43.24 (0.3) 15 50 43.25 15 50 42.79 15 50 43.25 15 50 43.25
Declination -01 06 36.32 (0.2) -01 06 36.39 -01 06 36.32 (0.2) -01 06 36.35 (0.2) -01 06 36.40 -01 06 36.72 -01 06 36.32 -01 06 36.32
Spectral type DA3 DA3 DA3 DA DA1.9 DA DA
Effective temperature [K] 11937.0 27170.0 (703) 27199.0 (793) 27082.0 (713)
log(g) [cgs] 6.80 7.81 (0.2) 7.80 (0.2) 7.81 (0.1)
Mass [M] 0.197 0.545 (0.07)
log(Luminosity) [L]
Cooling age [Gyr]
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] 1.08 (0.3) 1.25 (0.4) 1.08 (0.3)
Distance [pc] 926.59 (284) 799.04 (281) 926.61 (284)
Composition H
Proper motion (right ascension) [mas/yr] -16.55552318 (0.4) -16.41659164 (0.8) -16.556 (0.4) -16.5 -15.0
Proper motion (declination) [mas/yr] 1.66024844 (0.3) 2.440454412 (0.6) 1.66 (0.3) 9.6 11.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.44 (0.03) 19.39 19.44 (0.03) 19.41 (0.04) 19.39 19.44 (0.04) 19.39 (0.03)
g magnitude 19.35 (0.01) 19.40 19.35 (0.01) 19.36 (0.02) 19.40 19.37 (0.02) 19.40 (0.02)
r magnitude 19.62 (0.02) 19.66 19.62 (0.02) 19.62 (0.02) 19.65 19.61 (0.02) 19.65 (0.02)
i magnitude 19.84 (0.03) 19.84 19.84 (0.03) 19.85 (0.03) 19.84 19.84 (0.03) 19.84 (0.03)
z magnitude 19.87 (0.1) 19.96 19.87 (0.1) 19.86 (0.1) 19.96 19.86 (0.1) 19.96 (0.1)
G magnitude 19.48 (0.03) 19.54 19.48 (0.004)
BP magnitude 19.56 (0.03) 19.43
RP magnitude 19.61 (0.05) 19.49
Pan g magnitude 19.37 (0.007)
Pan r magnitude 19.62 (0.009)
Pan i magnitude 19.87 (0.01)
Pan z magnitude 20.05 (0.03)
Pan y magnitude 19.76 (0.2)
E(B-V) 0.109

* 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.