SDSS J033319.84-003603.1

All names: SDSS J033319.85-003603.1, Gaia DR2 3263362781961438464, SDSS J033319.84-003603.10, SDSS J033319.83-003603.0, USNO-A2.0 0825-00806817, SDSS J033319.84-003603.1, WD 0330-007, Gaia EDR3 3263362781961438464, GALEX J033319.8-003603, Gaia DR3 3263362781961438464

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 03 33 19.84 (0.4) 03 33 19.84 03 33 19.84 (0.6) 03 33 19.84 (0.4) 03 33 19.84 03 33 19.10 03 33 19.85
Declination -00 36 03.28 (0.4) -00 36 03.15 -00 36 03.27 (0.5) -00 36 03.01 (0.4) -00 36 03.07 -00 35 57.12 -00 36 03.06
Spectral type DB DB DB DB3.1 DBA: DB
Effective temperature [K] 15921.0 16892.0 10871.0 15799.0 (332) 15287.0 (380)
log(g) [cgs] 8.01 7.85 7.29 8.02 (0.2) 7.94 (0.3)
Mass [M] 0.594 0.511 0.273
log(Luminosity) [L]
Cooling age [Gyr] 0.2546
log(H/He) <-5.853
log(C/He)
log(Ca/He)
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] 1.55 (0.5) 1.81 (0.8) 1.55 (0.5)
Distance [pc] 645.83 (220) 551.96 (240) 645.83 (220)
Composition He
Proper motion (right ascension) [mas/yr] 1.296684657 (0.5) 2.646553636 (1) 1.297 (0.5) 2.9
Proper motion (declination) [mas/yr] -16.95575908 (0.5) -15.18174867 (1) -16.956 (0.5) -9.7
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.90 (0.3)
V magnitude
R magnitude 19.20 (0.3)
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.65 (0.03) 19.65 (0.03) 19.80 (0.04) 19.75 19.78 (0.04)
g magnitude 19.58 (0.01) 19.58 (0.01) 19.76 (0.05) 19.78 19.75 (0.05)
r magnitude 19.73 (0.02) 19.73 (0.02) 19.83 (0.03) 19.84 19.82 (0.03)
i magnitude 19.91 (0.03) 19.91 (0.03) 20.06 (0.03) 20.06 20.05 (0.03)
z magnitude 20.00 (0.1) 20.00 (0.1) 20.26 (0.1) 20.27 20.24 (0.1)
G magnitude 19.90 (0.07) 19.97 19.90 (0.006)
BP magnitude 19.69 (0.07) 19.63
RP magnitude 19.72 (0.1) 19.78
Pan g magnitude 19.78 (0.02)
Pan r magnitude 19.86 (0.03)
Pan i magnitude 20.12 (0.03)
Pan z magnitude 20.23 (0.03)
Pan y magnitude 19.88 (0.2)
E(B-V) 0.099

* 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.