2SLAQ J234836.79+002845.8

All names: GALEX J234836.8+002846, SDSS J234836.77+002845.5, 2SLAQ J234836.79+002845.8, SDSS J234836.80+002845.8, Gaia DR2 2643083360259396480, SDSS J234836.79+002845.8, Gaia DR3 2643083360259396480, SDSS J234836.80+002845.7, Gaia EDR3 2643083360259396480, WD 2346+002

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 23 48 36.86 (0.3) 23 48 36.80 23 48 36.86 (0.5) 23 48 36.86 23 48 36.78 (0.3) 23 48 36.80 23 48 36.74 23 48 36.77
Declination 00 28 46.09 (0.3) 00 28 45.83 00 28 46.08 (0.3) 00 28 46.09 00 28 45.68 (0.3) 00 28 45.85 00 28 46.92 00 28 45.52
Spectral type DA: DA DA+M DA: DA: DA+M: DA
Effective temperature [K] 7612.0 7943.0 (585) 7928.0 (138) 7819.0 (133)
log(g) [cgs] 8.01 8.17 (0.2) 7.50 (0.4) 7.23 (0.4)
Mass [M] 0.6 0.7 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 1.2430
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] 5.23 (0.4) 4.93 (0.6) 5.23 5.23 (0.4)
Distance [pc] 191.31 (16) 202.80 (24) 191.31 191.31 (16)
Composition H
Proper motion (right ascension) [mas/yr] 73.11789494 (0.4) 71.663558 (1) 73.118 (0.4) 75.4
Proper motion (declination) [mas/yr] 25.64937197 (0.3) 25.20022656 (0.6) 25.649 (0.3) 18.2
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.38 (0.05) 20.38 (0.05) 20.25 (0.06) 20.24 20.22 (0.06)
g magnitude 19.83 (0.01) 19.83 (0.01) 19.79 (0.03) 19.79 19.80 (0.03)
r magnitude 19.71 (0.02) 19.71 (0.02) 19.71 (0.02) 19.71 19.70 (0.02)
i magnitude 19.69 (0.02) 19.69 (0.02) 19.73 (0.03) 19.74 19.74 (0.03)
z magnitude 19.75 (0.08) 19.75 (0.08) 19.59 (0.08) 19.60 19.58 (0.08)
G magnitude 19.67 (0.05) 19.72 19.67 19.67 (0.005)
BP magnitude 19.86 (0.05) 19.79
RP magnitude 19.44 (0.05) 19.33
Pan g magnitude 19.82 (0.02)
Pan r magnitude 19.70 (0.01)
Pan i magnitude 19.72 (0.01)
Pan z magnitude 19.81 (0.02)
Pan y magnitude 19.76 (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.