GALEX 2693937671477133906

All names: Gaia DR3 604577669807887232, Gaia EDR3 604577669807887232, Gaia DR2 604577669807887232, GALEX 2693937671477133906, SDSS J090519.62+124503.00, SDSS J090519.62+124503.0, USNO-A2.0 0975-06144653

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) MWDD HE Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 09 05 19.62 (0.5) 09 05 19.62 09 05 19.62 (0.8) 09 05 19.62 (0.8) 09 05 19.62
Declination 12 45 02.68 (0.4) 12 45 02.96 12 45 02.70 (0.9) 12 45 03.17 (0.9) 12 45 03.04
Spectral type DB DB DB DB
Effective temperature [K] 15897.0 12349.0 15413.0 (401)
log(g) [cgs] 8.70 8.32 8.35 (0.2)
Mass [M] 1.035 0.787 0.801 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 0.5819
log(H/He) -4.799
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] 1.81 (0.5) 2.94 (0.8) 2.94 (0.8)
Distance [pc] 552.63 (160) 340.67 (95) 340.67 (95)
Composition He
Proper motion (right ascension) [mas/yr] 2.45156313 (0.6) 4.842080037 (1) 4.842 (1)
Proper motion (declination) [mas/yr] -28.39228971 (0.6) -30.50089047 (1) -30.501 (1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.10 (0.3)
V magnitude
R magnitude 19.20 (0.3)
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.79 (0.03) 19.81 (0.04) 19.81 (0.04)
g magnitude 19.82 (0.01) 19.83 (0.03) 19.83 (0.03)
r magnitude 20.11 (0.02) 20.08 (0.03) 20.08 (0.03)
i magnitude 20.32 (0.04) 20.40 (0.04) 20.40 (0.04)
z magnitude 20.31 (0.1) 20.28 (0.1) 20.28 (0.1)
G magnitude 19.97 (0.05) 20.03 20.03 (0.006)
BP magnitude 20.06 (0.05) 19.99
RP magnitude 20.20 (0.1) 20.04
Pan g magnitude 19.85 (0.009)
Pan r magnitude 20.12 (0.01)
Pan i magnitude 20.37 (0.07)
Pan z magnitude 20.59 (0.05)
Pan y magnitude
E(B-V) 0.028

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit





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.