SDSS J074624.35+335214.5

All names: Gaia EDR3 882128489519171456, Gaia DR2 882128489519171456, GALEX J074624.3+335215, SDSS J074624.36+335214.6, SDSS J074624.34+335214.56, SDSS J074624.35+335214.5, SDSS J074624.34+335214.5, Gaia DR3 882128489519171456

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 07 46 24.33 (0.3) 07 46 24.35 07 46 24.33 (0.4) 07 46 24.37 (0.3)
Declination 33 52 14.47 (0.2) 33 52 14.55 33 52 14.48 (0.2) 33 52 14.70 (0.2)
Spectral type DBA DBA DB DB
Effective temperature [K] 13664.0 14613.0 12731.0 13982.0 (92) 14348.0 (153)
log(g) [cgs] 7.55 8.14 7.97 8.00 (0) 8.12 (0.1)
Mass [M] 0.368 0.675 0.57 0.716 (0.08)
log(Luminosity) [L]
Cooling age [Gyr] 0.3119
log(H/He) -6.034 <-5.22
log(C/He)
log(Ca/He) <-8.2
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] 2.61 (0.3) 2.96 (0.5) 2.61 (0.3)
Distance [pc] 383.81 (46) 337.49 (53) 348.00 383.82 (46)
Composition He
Proper motion (right ascension) [mas/yr] -27.62267532 (0.3) -27.75003591 (0.8) -27.623 (0.3)
Proper motion (declination) [mas/yr] -14.59648765 (0.2) -14.73857806 (0.5) -14.596 (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 19.09 (0.02) 19.08 (0.02) 19.09 (0.02)
g magnitude 19.13 (0.01) 19.15 (0.01) 19.14 (0.01)
r magnitude 19.39 (0.01) 19.40 (0.02) 19.39 (0.01)
i magnitude 19.64 (0.02) 19.63 (0.02) 19.64 (0.02)
z magnitude 19.78 (0.05) 19.78 (0.05) 19.78 (0.05)
G magnitude 19.25 (0.02) 19.30 19.25 (0.004)
BP magnitude 19.22 (0.02) 19.24
RP magnitude 19.31 (0.04) 19.25
Pan g magnitude 19.18 (0.01)
Pan r magnitude 19.40 (0.02)
Pan i magnitude 19.62 (0.01)
Pan z magnitude 19.78 (0.04)
Pan y magnitude 19.81 (0.1)
E(B-V) 0.030

* 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.