SDSS J205059.11-011021.9

All names: Gaia DR3 4226851932184135552, SDSS J205059.12-011021.8, Gaia EDR3 4226851932184135552, J2050-0110, Gaia DR2 4226851932184135552, SDSS J205059.11-011021.9, WD 2048-013, SDSS J205059.11-011022.0, GALEX J205059.1-011021

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Coutu et al. 2019 Gaia DR2 Stilism Dufour et al. 2007 Simbad White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 20 50 59.14 (0.3) 20 50 59.11 20 50 59.11 20 50 59.14 (0.5) 20 50 59.11 (0.3) 20 50 58.87 20 50 59.11
Declination -01 10 21.72 (0.2) -01 10 21.93 -01 10 21.94 -01 10 21.72 (0.3) -01 10 21.95 (0.2) -01 10 19.92 -01 10 21.95
Spectral type DZ DZ DZ DZ5.3 DZ DZ
Effective temperature [K] 10240.0 (306) 9560.0 (290) 10971.0 (490)
log(g) [cgs] 8.44 8.00 9.09 (0.7)
Mass [M] 0.8647
log(Luminosity) [L]
Cooling age [Gyr] 1.1800
log(H/He) <-5.6088 <-5.0
log(C/He)
log(Ca/He) -7.3023 (0.2) -7.59 (0.1)
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] 3.80 (0.4) 4.01 4.01 (0.6) 3.80 (0.4)
Distance [pc] 262.99 (27) 249.36 (39) 249.36 (39) 291.00 262.99 (27)
Composition He He
Proper motion (right ascension) [mas/yr] 26.42275812 (0.4) 24.30610295 (1) 26.423 (0.4)
Proper motion (declination) [mas/yr] 14.40847642 (0.3) 13.72044627 (0.6) 14.408 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.90 (0.04) 19.90 (0.04) 19.88 (0.04)
g magnitude 19.69 (0.02) 19.70 (0.01) 19.72 (0.02)
r magnitude 19.82 (0.02) 19.82 (0.02) 19.85 (0.02)
i magnitude 19.87 (0.03) 19.87 (0.03) 19.89 (0.03)
z magnitude 20.04 (0.1) 20.04 (0.1) 20.02 (0.1)
G magnitude 19.68 (0.03) 19.74 19.68 (0.005)
BP magnitude 19.73 (0.03) 19.70
RP magnitude 19.61 (0.07) 19.47
Pan g magnitude 19.69 (0.03)
Pan r magnitude 19.78 (0.007)
Pan i magnitude 20.00 (0.04)
Pan z magnitude 20.14 (0.07)
Pan y magnitude 19.88 (0.2)
E(B-V) 0.028

* 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.