SDSS J075528.54+165346.6

All names: SDSS J075528.53+165346.5, Gaia DR3 667411117202769664, SDSS J075528.54+165346.5, SDSS J075528.54+165346.6, Gaia EDR3 667411117202769664, Gaia DR2 667411117202769664, GALEX J075528.5+165346, SDSS J075528.54+165346.60

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 07 55 28.53 (0.4) 07 55 28.54 07 55 28.53 (0.6) 07 55 28.54 (0.4) 07 55 28.54
Declination 16 53 46.62 (0.3) 16 53 46.56 16 53 46.62 (0.4) 16 53 46.56 (0.3) 16 53 46.58
Spectral type DB DB DB DB
Effective temperature [K] 21280.0 21128.0 19973.0 21168.0 (1085)
log(g) [cgs] 7.88 8.29 8.28 7.76 (0.1)
Mass [M] 0.534 0.774 0.771 0.482 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 0.1341
log(H/He) <-4.602
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] 1.73 (0.5) 1.80 (0.7) 1.73 (0.5)
Distance [pc] 578.52 (169) 556.73 (213) 578.50 (169)
Composition He
Proper motion (right ascension) [mas/yr] -14.00068924 (0.5) -13.57980384 (1) -14.001 (0.5)
Proper motion (declination) [mas/yr] 3.445992186 (0.3) 3.78745146 (0.8) 3.446 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.53 (0.03) 19.53 (0.03) 19.55 (0.03)
g magnitude 19.62 (0.01) 19.62 (0.01) 19.63 (0.02)
r magnitude 19.96 (0.02) 19.96 (0.02) 19.96 (0.02)
i magnitude 20.30 (0.03) 20.30 (0.03) 20.29 (0.03)
z magnitude 20.46 (0.1) 20.46 (0.1) 20.42 (0.1)
G magnitude 19.82 (0.03) 19.86 19.82 (0.005)
BP magnitude 19.76 (0.03) 19.71
RP magnitude 20.19 (0.1) 19.92
Pan g magnitude 19.66 (0.02)
Pan r magnitude 20.01 (0.007)
Pan i magnitude 20.30 (0.01)
Pan z magnitude 20.54 (0.03)
Pan y magnitude 20.41 (0.3)
E(B-V) 0.028

* 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.