SDSS J105616.89-000449.5

All names: J1056-0004, SDSS J105616.90-000449.4, WD 1053+001.1, Gaia EDR3 3804750723950984448, Gaia DR3 3804750723950984448, MGC 13640, 2QZ J105616.9-000450, GALEX J105616.9-000449, SDSS J105616.90-000449.3, SDSS J105616.89-000449.5, Gaia DR2 3804750723950984448

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Coutu et al. 2019 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 10 56 16.88 (0.4) 10 56 16.90 10 56 16.88 10 56 16.88 (0.8) 10 56 16.90 (0.4) 10 56 16.90 10 56 16.78 10 56 16.90
Declination -00 04 49.56 (0.4) -00 04 49.48 -00 04 49.55 -00 04 49.55 (1) -00 04 49.45 (0.4) -00 04 49.50 -00 04 56.28 -00 04 49.37
Spectral type DZA DZA DZ+M DZ DZ DZM: DZ
Effective temperature [K] 11862.0 (494) 10950.0 (460) 12395.0 (457) 11767.0 (393)
log(g) [cgs] 8.00 8.00 8.19 (0.4) 8.08 (0.7)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr] 0.0000
log(H/He) -4.7356 (0.8) -4.63 (0.3)
log(C/He)
log(Ca/He) -7.3355 (0.3) -9.17 (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] 2.45 (0.6) 2.45 (0.6)
Distance [pc] 408.09 (92) 402.08 (18) 355.00 408.10 (92)
Composition He He
Proper motion (right ascension) [mas/yr] -19.40606059 (0.5) -19.406 (0.5) 1.7
Proper motion (declination) [mas/yr] -6.585759397 (0.4) -6.586 (0.4) -12.5
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.77
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.80 (0.03) 19.80 (0.03) 19.79 (0.03) 19.79 19.79 (0.03)
g magnitude 19.71 (0.01) 19.71 (0.01) 19.74 (0.02) 19.73 19.73 (0.02)
r magnitude 19.90 (0.02) 19.90 (0.02) 19.89 (0.03) 19.88 19.89 (0.03)
i magnitude 20.13 (0.03) 20.13 (0.03) 20.13 (0.03) 20.12 20.14 (0.03)
z magnitude 20.33 (0.1) 20.33 (0.1) 20.30 (0.1) 20.30 20.30 (0.1)
G magnitude 19.80 (0.07) 19.86 19.80 (0.006)
BP magnitude 19.82 (0.07) 19.70
RP magnitude 19.67 (0.1) 19.91
Pan g magnitude 19.76 (0.01)
Pan r magnitude 19.95 (0.02)
Pan i magnitude 20.12 (0.01)
Pan z magnitude 20.28 (0.03)
Pan y magnitude 20.12 (0.06)
E(B-V) 0.027

* 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.