SDSS J044848.51-000741.6

All names: SDSS J044848.51-000741.7, Gaia DR2 3229858253186025856, SDSS J044848.51-000741.6, WD 0446-002, Gaia EDR3 3229858257483679360, GALEX J044848.4-000741, Gaia DR3 3229858257483679360

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 04 48 48.51 (0.8) 04 48 48.51 04 48 48.51 (1) 04 48 48.51 (0.8) 04 48 48.51 04 48 48.55 04 48 48.51
Declination -00 07 41.84 (0.4) -00 07 41.64 -00 07 41.84 (0.8) -00 07 41.65 (0.4) -00 07 41.66 -00 07 36.48 -00 07 41.62
Spectral type DA DA DA_auto DA DA DA
Effective temperature [K] 16623.0 20064.0 (927) 20913.0 (937)
log(g) [cgs] 7.62 7.67 (0.2) 7.82 (0.2)
Mass [M] 0.426 0.539 (0.08)
log(Luminosity) [L]
Cooling age [Gyr] 0.0744
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] 1.05 (0.9) 1.13 (1) 1.05 (0.9)
Distance [pc] 949.36 (844) 887.86 (1166) 949.40 (844)
Composition H
Proper motion (right ascension) [mas/yr] 0.725004628 (1) -0.699318122 (3) 0.725 (1)
Proper motion (declination) [mas/yr] -11.67861685 (0.9) -10.57481228 (2) -11.679 (0.9)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.56 (0.05) (0)
g magnitude 20.45 (0.02)
r magnitude 20.74 (0.03) (0)
i magnitude 21.02 (0.05) (0)
z magnitude 21.05 (0.2) (0)
G magnitude 20.62 (0.07) 20.69 20.62 (0.008)
BP magnitude 20.65 (0.07) 20.42
RP magnitude 20.70 (0.1) 20.54
Pan g magnitude 20.48 (0.02)
Pan r magnitude 20.73 (0.03)
Pan i magnitude 21.03 (0.04)
Pan z magnitude 21.09 (0.07)
Pan y magnitude
E(B-V) 0.036

* 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.