SDSS J024908.96+004722.9

All names: SDSS J024908.96+004722.9, GALEX J024908.9+004722, SDSS J024908.95+004722.9, 2SLAQ J024908.95+004722.9, SDSS J024908.95+004722.7, WD 0246+005, Gaia EDR3 2499044450803170176, Gaia DR2 2499044450803170176, SDSS J024908.96+004722.8, Gaia DR3 2499044450803170176

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 02 49 08.97 (0.3) 02 49 08.97 02 49 08.97 (0.4) 02 49 08.96 (0.3) 02 49 08.96 02 49 08.28 02 49 08.96
Declination 00 47 22.90 (0.3) 00 47 22.92 00 47 22.90 (0.4) 00 47 22.84 (0.3) 00 47 22.91 00 47 19.32 00 47 22.77
Spectral type DA DA DA_auto DA DA DA
Effective temperature [K] 8858.0 9867.0 (104) 9683.0 (108)
log(g) [cgs] 7.79 8.18 (0.2) 8.04 (0.2)
Mass [M] 0.479 0.622 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 0.6328
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] 4.11 (0.4) 3.80 (0.6) 4.11 (0.4)
Distance [pc] 243.29 (22) 262.90 (45) 243.30 (22)
Composition H
Proper motion (right ascension) [mas/yr] 11.48018151 (0.4) 11.53008894 (0.8) 11.48 (0.4) 8.4
Proper motion (declination) [mas/yr] 4.06698588 (0.4) 4.421060576 (0.7) 4.067 (0.4) 7.3
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.92 (0.04) 19.93 (0.04) 19.86 (0.04) 19.85 19.85 (0.04)
g magnitude 19.46 (0.01) 19.46 (0.01) 19.50 (0.02) 19.49 19.49 (0.02)
r magnitude 19.46 (0.01) 19.46 (0.01) 19.51 (0.02) 19.50 19.49 (0.02)
i magnitude 19.54 (0.02) 19.54 (0.02) 19.55 (0.02) 19.54 19.54 (0.02)
z magnitude 19.73 (0.07) 19.73 (0.07) 19.77 (0.08) 19.77 19.75 (0.08)
G magnitude 19.40 (0.04) 19.44 19.40 (0.005)
BP magnitude 19.44 (0.04) 19.41
RP magnitude 19.32 (0.08) 19.19
Pan g magnitude 19.43 (0.02)
Pan r magnitude 19.47 (0.01)
Pan i magnitude 19.53 (0.005)
Pan z magnitude 19.67 (0.01)
Pan y magnitude 19.61 (0.08)
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.