WD 0856+564

All names: SDSS J090014.12+561656.6, SDSS J090014.13+561656.7, Gaia DR3 1036264935807871232, SDSS J090014.12+561656.7, Gaia DR2 1036264935807871232, WD 0856+564, GALEX J090014.0+561657, Gaia EDR3 1036264935807871232, SDSS J090014.12+561656.5

Parameter Unit Gaia EDR3 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2004 Vincent et al. 2023
Right ascension 09 00 14.11 (0.5) 09 00 14.13 09 00 14.11 (0.6) 09 00 14.13 (0.5) 09 00 14.13 09 00 14.28 09 00 14.12 09 00 14.12
Declination 56 16 56.46 (0.4) 56 16 56.76 56 16 56.47 (0.6) 56 16 56.73 (0.4) 56 16 56.55 56 16 52.68 56 16 56.66 56 16 56.64
Spectral type DA DA DA DA4.8 DA DA
Effective temperature [K] 14542.0 10450.0 (297) 9921.0 (246) 10489.0 (299)
log(g) [cgs] 8.19 8.12 (0.3) 8.53 (0.3) 8.14 (0.3)
Mass [M] 0.724 0.924 (0.2)
log(Luminosity) [L]
Cooling age [Gyr] 0.2892
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] 1.90 (0.7) 1.78 (0.9) 1.90 (0.7)
Distance [pc] 526.59 (193) 562.69 (299) 526.59 (193)
Composition H
Proper motion (right ascension) [mas/yr] -8.656461808 (0.7) -9.403929667 (1) -8.656 (0.7) -4.3 -6.0
Proper motion (declination) [mas/yr] -16.95591505 (0.5) -16.49259928 (1) -16.956 (0.5) -33.4 -30.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.89 (0.09) 20.89 (0.09) 20.76 (0.09) 20.75 20.76 (0.09) 20.75 (0.09)
g magnitude 20.35 (0.02) 20.35 (0.02) 20.36 (0.03) 20.36 20.36 (0.03) 20.36 (0.03)
r magnitude 20.41 (0.04) 20.41 (0.04) 20.43 (0.04) 20.43 20.41 (0.04) 20.43 (0.04)
i magnitude 20.54 (0.06) 20.54 (0.06) 20.48 (0.05) 20.47 20.47 (0.05) 20.47 (0.05)
z magnitude 21.20 (0.4) 21.20 (0.4) 20.29 (0.2) 20.28 20.29 (0.2) 20.28 (0.2)
G magnitude 20.37 (0.09) 20.44 20.37 (0.007)
BP magnitude 20.47 (0.09) 20.54
RP magnitude 20.20 (0.1) 20.49
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.031

* 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.