WD 0730+364

All names: SDSS J073346.26+362202.8, Gaia DR2 895603073236357760, Gaia EDR3 895603073236357760, SDSS J073346.26+362203.0, Gaia DR3 895603073236357760, SDSS J073346.26+362202.9, GALEX J073346.2+362203, WD 0730+364

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Kleinman et al. 2004 Vincent et al. 2023
Right ascension 07 33 46.27 (0.7) 07 33 46.26 07 33 46.27 (1) 07 33 46.27 (0.7) 07 33 46.26 07 33 46.10 07 33 46.26 07 33 46.26
Declination 36 22 02.66 (1) 36 22 02.94 36 22 02.66 (1) 36 22 02.93 (1) 36 22 02.90 36 21 57.96 36 22 03.00 36 22 03.00
Spectral type DA DA DA3.8 DA DA
Effective temperature [K] 13176.0 (651) 13246.0 (686) 13135.0 (647)
log(g) [cgs] 8.06 (0.2) 8.13 (0.2) 8.04 (0.2)
Mass [M] 0.68 (0.1)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 1.06 (1) 1.06 (1)
Distance [pc] 939.44 (923) 939.41 (923)
Composition
Proper motion (right ascension) [mas/yr] 2.132622898 (0.9) 2.133 (0.9) 10.4 11.0
Proper motion (declination) [mas/yr] -17.21858442 (0.8) -17.219 (0.8) -19.3 -19.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.79 (0.07) 20.80 (0.09) 20.82 (0.08) 20.84 20.85 (0.08) 20.84 (0.09)
g magnitude 20.36 (0.02) 20.35 (0.02) 20.39 (0.03) 20.39 20.40 (0.03) 20.39 (0.03)
r magnitude 20.53 (0.03) 20.51 (0.04) 20.53 (0.04) 20.54 20.52 (0.04) 20.54 (0.04)
i magnitude 20.81 (0.06) 20.70 (0.06) 20.73 (0.05) 20.74 20.74 (0.05) 20.74 (0.05)
z magnitude 20.85 (0.2) 21.05 (0.2) 21.09 (0.2) 21.05 21.08 (0.2) 21.05 (0.2)
G magnitude 20.45 (0.1) 20.52 20.45 (0.008)
BP magnitude 20.76 (0.1) 20.65
RP magnitude 20.57 (0.2) 20.40
Pan g magnitude 20.36 (0.03)
Pan r magnitude 20.60 (0.02)
Pan i magnitude 20.78 (0.02)
Pan z magnitude 20.77 (0.06)
Pan y magnitude 20.55 (0.2)
E(B-V) 0.036

* 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.