SDSS J120055.75+580322.2

All names: SDSS J120055.76+580322.2, Gaia DR3 1575554674605373056, Gaia DR2 1575554674605373056, SDSS J120055.76+580322.1, WD 1158+583, SDSS J120055.75+580322.2, Gaia EDR3 1575554674605373056, GALEX J120055.8+580321

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 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 12 00 55.75 (0.4) 12 00 55.76 12 00 55.75 (0.6) 12 00 55.76 (0.4) 12 00 55.76 12 00 55.92 12 00 55.76
Declination 58 03 22.14 (0.4) 58 03 22.18 58 03 22.15 (0.6) 58 03 22.22 (0.4) 58 03 22.20 58 03 18.00 58 03 22.20
Spectral type DB: DB+M DB: DB: DBM: DB
Effective temperature [K] 18665.0 19062.0 (1500) 18234.0 (1181)
log(g) [cgs] 7.66 8.64 (0.3) 8.86 (0.4)
Mass [M] 0.424
log(Luminosity) [L]
Cooling age [Gyr] 0.0534
log(H/He)
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] 1.17 (0.6) 0.97 (0.8) 1.17 (0.6)
Distance [pc] 855.20 (407) 1034.43 (830) 855.21 (407)
Composition He
Proper motion (right ascension) [mas/yr] -5.361834113 (0.6) -2.203814676 (1) -5.362 (0.6)
Proper motion (declination) [mas/yr] -4.63402842 (0.6) -1.792555354 (1) -4.634 (0.6)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.10 (0.04) 20.10 (0.04) 20.18 (0.05) 20.18 20.20 (0.05)
g magnitude 20.25 (0.02) 20.25 (0.02) 20.29 (0.09) 20.28 20.28 (0.09)
r magnitude 20.67 (0.04) 20.67 (0.04) 20.67 (0.04) 20.67 20.67 (0.04)
i magnitude 20.82 (0.06) 20.82 (0.06) 20.84 (0.06) 20.84 20.84 (0.06)
z magnitude 21.12 (0.3) 21.12 (0.3) 21.14 (0.3) 21.13 21.12 (0.2)
G magnitude 20.44 (0.09) 20.51 20.44 (0.006)
BP magnitude 20.51 (0.09) 20.46
RP magnitude 20.21 (0.2) 20.40
Pan g magnitude 20.33 (0.03)
Pan r magnitude 20.66 (0.04)
Pan i magnitude 20.85 (0.03)
Pan z magnitude 20.98 (0.07)
Pan y magnitude
E(B-V) 0.020

* 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.