WD 1204+560

All names: Gaia EDR3 1573772022658380928, SBSS 1204+560A, Gaia DR3 1573772022659258752, SBSS 1204+560, WD 1204+560, Gaia DR2 1573772022659258752, SDSS J120654.55+554646.9, SDSS J120654.58+554647.1, Gaia DR2 1573772022658380928, GALEX J120654.5+554647, SDSS J120654.55+554647.01, LAMOST J120654.58+554647.4, SDSS J120654.54+554647.0

Parameter Unit Gaia EDR3 SDSS DR12 MWDD H Gaia DR2 Stilism Kepler et al. 2016 Guo et al. 2015 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Vincent et al. 2023
Right ascension 12 06 54.47 (0.8) 12 06 54.54 12 06 54.47 (1) 12 06 54.53 12 06 54.60 (0.08) 12 06 54.31
Declination 55 46 48.18 (0.7) 55 46 48.16 55 46 48.18 (0.8) 55 46 46.97 55 46 47.16 (0.08) 55 46 42.24
Spectral type DA DA DA DA DA DA DA+MS
Effective temperature [K] 16645.0 12769.0 (91) 10789.0 (256)
log(g) [cgs] 8.15 7.94 (0.03) 7.65 (0.04)
Mass [M] 0.708 0.541 (0.01) 0.42 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.1841
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] 4.74 (0.8) 4.27 (1) 4.68 4.68 (0.1)
Distance [pc] 211.10 (37) 234.39 (58) 213.88 213.88 (5)
Composition H
Proper motion (right ascension) [mas/yr] -34.50399688 (0.9) -34.18899867 (2) -34.45 (0.1)
Proper motion (declination) [mas/yr] -12.9393664 (0.9) -12.23846647 (2) -12.211 (0.1)
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 20.55 (0.08) 18.53 (0.04) 18.59 (0.02)
g magnitude 21.47 (0.07) 18.11 (0.01) 18.11 (0.006)
r magnitude 21.35 (0.08) 18.29 (0.02) 18.29 (0.008)
i magnitude 19.65 (0.03) 18.54 (0.02) 18.52 (0.01)
z magnitude 18.28 (0.03) 19.01 (0.1) 19.02 (0.05)
G magnitude 20.28 20.29 18.17 18.17 (0.003)
BP magnitude
RP magnitude
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.016

* 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.