SDSS J233429.58+005731.0

All names: GALEX J233429.6+005731, SDSS J233429.58+005731.1, Gaia DR2 2646173846927476736, SDSS J233429.58+005731.0, Gaia DR3 2646173846927476736, WD 2331+006, Gaia EDR3 2646173846927476736

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 23 34 29.62 (0.4) 23 34 29.59 23 34 29.62 (0.5) 23 34 29.58 (0.4) 23 34 29.58 23 34 29.66 23 34 29.58
Declination 00 57 30.65 (0.3) 00 57 31.03 00 57 30.66 (0.3) 00 57 31.09 (0.3) 00 57 31.09 00 57 29.52 00 57 31.08
Spectral type DA DA+M DA_auto DA DA+M: DA
Effective temperature [K] 7527.0 7812.0 (120) 7516.0 (118)
log(g) [cgs] 7.74 8.01 (0.4) 7.51 (0.3)
Mass [M☉] 0.449
log(Luminosity) [L☉]
Cooling age [Gyr] 0.8921
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] 4.77 (0.4) 4.39 (0.6) 4.77 (0.4)
Distance [pc] 209.67 (19) 228.00 (31) 209.67 (19)
Composition H
Proper motion (right ascension) [mas/yr] 37.95270494 (0.5) 36.66158478 (1) 37.953 (0.5) 34.3
Proper motion (declination) [mas/yr] -27.65850291 (0.4) -27.49876714 (0.6) -27.659 (0.4) -25.4
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 20.17 (0.04) 20.17 (0.04) 20.18 (0.07) 20.17 20.17 (0.07)
g magnitude 19.72 (0.01) 19.72 (0.01) 19.79 (0.04) 19.78 19.78 (0.04)
r magnitude 19.63 (0.02) 19.63 (0.01) 19.66 (0.02) 19.65 19.65 (0.02)
i magnitude 19.60 (0.02) 19.60 (0.02) 19.66 (0.03) 19.65 19.65 (0.03)
z magnitude 19.72 (0.08) 19.72 (0.08) 19.59 (0.1) 19.58 19.58 (0.1)
G magnitude 19.60 (0.06) 19.67 19.60 (0.005)
BP magnitude 19.68 (0.06) 19.61
RP magnitude 19.32 (0.06) 19.21
Pan g magnitude 19.73 (0.008)
Pan r magnitude 19.64 (0.009)
Pan i magnitude 19.68 (0.01)
Pan z magnitude 19.67 (0.02)
Pan y magnitude 19.49 (0.2)
E(B-V) 0.033

* 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.