SDSS J110445.17+350004.4

All names: SDSS J110445.17+350004.4, Gaia DR2 761587487872717824, Gaia DR3 761587487872717824, Gaia EDR3 761587487872717824, SDSS J110445.12+350004.91, SDSS J110445.12+350004.9, GALEX J110445.1+350004

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 11 04 45.16 (0.2) 11 04 45.18 11 04 45.16 (0.4) 11 04 45.18 (0.2)
Declination 35 00 04.30 (0.2) 35 00 04.47 35 00 04.30 (0.3) 35 00 04.41 (0.2)
Spectral type DB DB DB DB
Effective temperature [K] 21110.0 19345.0 17209.0 19260.0 (440)
log(g) [cgs] 8.22 7.58 7.43 7.95 (0.01)
Mass [M] 0.734 0.395 0.336 0.5660000000000001 (0.004)
log(Luminosity) [L]
Cooling age [Gyr] 0.0641
log(H/He) -3.95
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] 1.84 (0.3) 1.56 (0.5) 1.84 (0.3)
Distance [pc] 543.74 (93) 641.99 (220) 543.74 (93)
Composition He
Proper motion (right ascension) [mas/yr] -15.56784038 (0.3) -16.30977244 (0.8) -15.568 (0.3)
Proper motion (declination) [mas/yr] -7.035032597 (0.2) -6.367244642 (0.7) -7.035 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.92 (0.02) 18.92 (0.02) 18.92 (0.02)
g magnitude 19.03 (0.01) 19.03 (0.01) 19.03 (0.01)
r magnitude 19.36 (0.01) 19.36 (0.01) 19.36 (0.01)
i magnitude 19.63 (0.02) 19.63 (0.02) 19.63 (0.02)
z magnitude 20.12 (0.1) 20.12 (0.1) 20.12 (0.1)
G magnitude 19.17 (0.03) 19.22 19.17 (0.005)
BP magnitude 19.12 (0.03) 19.11
RP magnitude 19.34 (0.08) 19.39
Pan g magnitude 19.02 (0.01)
Pan r magnitude 19.36 (0.006)
Pan i magnitude 19.65 (0.008)
Pan z magnitude 19.91 (0.06)
Pan y magnitude 19.62 (0.06)
E(B-V) 0.018

* 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.