WD 0745+352

All names: Gaia DR2 894591148878550144, Gaia EDR3 894591148878550144, SDSS J074821.87+350648.6, SDSS J074821.86+350648.6, SDSS J074821.86+350648.7, Gaia DR3 894591148878550144, J0748+3506, GALEX J074821.9+350648, WD 0745+352

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Coutu et al. 2019 MWDD H Gaia DR2 Stilism Dufour et al. 2007 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 07 48 21.87 (0.5) 07 48 21.87 07 48 21.87 07 48 21.87 (0.7) 07 48 21.87 (0.5) 07 48 21.86 07 48 20.81 07 48 21.86
Declination 35 06 48.40 (0.3) 35 06 48.65 35 06 48.67 35 06 48.41 (0.4) 35 06 48.67 (0.3) 35 06 48.62 35 06 42.12 35 06 48.66
Spectral type DZ DZ DZ DZ DZ DZ DZ DC
Effective temperature [K] 11168.0 (481) 9428.0 10130.0 (430) 11143.0 (347) 10964.0 (429)
log(g) [cgs] 7.27 7.08 8.00 8.59 (0.3) 9.18 (0.6)
Mass [M] 0.2674 0.231
log(Luminosity) [L]
Cooling age [Gyr] 0.2320 0.2924
log(H/He) <-6.2116 <-5.0
log(C/He)
log(Ca/He) -9.2268 (0.4) -10.43 (0.2)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 2.61 (0.5) 1.66 1.66 (0.9) 2.61 (0.5)
Distance [pc] 382.87 (74) 600.68 (337) 600.68 (337) 356.00 382.88 (74)
Composition He He He
Proper motion (right ascension) [mas/yr] -3.749436301 (0.6) -5.205778356 (1) -3.749 (0.6) -11.6
Proper motion (declination) [mas/yr] -16.79244657 (0.3) -17.32103476 (0.8) -16.792 (0.3) -59.7
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.11 (0.04) 20.11 (0.04) 20.14 (0.04) 20.15 20.14 (0.04)
g magnitude 19.93 (0.02) 19.93 (0.02) 19.95 (0.02) 19.95 19.94 (0.02)
r magnitude 20.09 (0.02) 20.09 (0.03) 20.12 (0.02) 20.12 20.11 (0.02)
i magnitude 20.19 (0.03) 20.19 (0.03) 20.26 (0.04) 20.27 20.27 (0.03)
z magnitude 20.28 (0.1) 20.28 (0.1) 20.43 (0.1) 20.42 20.44 (0.1)
G magnitude 20.02 (0.06) 20.06 20.02 (0.006)
BP magnitude 20.08 (0.06) 20.10
RP magnitude 19.87 (0.1) 19.65
Pan g magnitude 20.01 (0.01)
Pan r magnitude 20.12 (0.03)
Pan i magnitude 20.27 (0.02)
Pan z magnitude 20.32 (0.05)
Pan y magnitude
E(B-V) 0.032

* 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.