SDSS J120551.38+200602.0

All names: Gaia DR2 3951263465850971008, GALEX J120551.4+200602, SDSS J120551.38+200602.0, SDSS J120551.38+200602.04, SDSS J120551.40+200601.9, Gaia DR3 3951263465850971008, Gaia EDR3 3951263465850971008

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 12 05 51.38 (0.3) 12 05 51.41 12 05 51.38 (0.4) 12 05 51.42 (0.3)
Declination 20 06 01.99 (0.2) 20 06 01.95 20 06 01.98 (0.2) 20 06 01.85 (0.2)
Spectral type DB DB DB DC
Effective temperature [K] 11062.0 11182.0 11762.0 10503.0 (211)
log(g) [cgs] 8.06 7.60 7.80 8.00 (0)
Mass [M] 0.622 0.38 0.477
log(Luminosity) [L]
Cooling age [Gyr] 0.3124
log(H/He) <-6.258
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] 2.72 (0.3) 2.82 (0.4) 2.72 (0.3)
Distance [pc] 368.21 (47) 354.85 (55) 368.22 (47)
Composition He
Proper motion (right ascension) [mas/yr] -34.62314199 (0.3) -33.61729945 (0.7) -34.623 (0.3)
Proper motion (declination) [mas/yr] 8.819673109 (0.2) 8.914541824 (0.4) 8.82 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.38 (0.03) 19.38 (0.03) 19.38 (0.03)
g magnitude 19.28 (0.01) 19.28 (0.01) 19.29 (0.01)
r magnitude 19.42 (0.01) 19.42 (0.01) 19.42 (0.01)
i magnitude 19.59 (0.02) 19.59 (0.02) 19.59 (0.02)
z magnitude 19.66 (0.07) 19.66 (0.07) 19.66 (0.07)
G magnitude 19.33 (0.04) 19.37 19.33 (0.004)
BP magnitude 19.37 (0.04) 19.31
RP magnitude 19.35 (0.06) 19.21
Pan g magnitude 19.29 (0.004)
Pan r magnitude 19.42 (0.008)
Pan i magnitude 19.60 (0.01)
Pan z magnitude 19.89 (0.02)
Pan y magnitude 19.81 (0.05)
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.