SDSS J073217.01+274641.5

All names: Gaia DR3 872428494859607680, SDSS J073217.01+274641.5, Gaia EDR3 872428494859607680, SDSS J073217.01+274641.30, SDSS J073217.01+274641.3, Gaia DR2 872428494859607680, GALEX J073217.0+274641, J0732+2746

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) Coutu et al. 2019 Gaia DR2 Stilism Koester & Kepler 2015 Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 07 32 17.00 (0.2) 07 32 17.01 07 32 17.01 07 32 17.00 (0.3) 07 32 17.01 (0.2)
Declination 27 46 41.22 (0.2) 27 46 41.53 27 46 41.60 27 46 41.23 (0.2) 27 46 41.59 (0.2)
Spectral type DBZA DBZA DBZ DB
Effective temperature [K] 14433.0 12507.0 12084.0 (553) 12849.0 (88) 13800.0 (213)
log(g) [cgs] 8.93 8.05 8.01 8.00 (0) 8.70 (0.1)
Mass [M] 1.154 0.616 0.5892
log(Luminosity) [L]
Cooling age [Gyr] 0.3800
log(H/He) -5.369 -5.7397 (0.3) <-5.66
log(C/He)
log(Ca/He) -8.7561 (0.1) -8.53 (0.2)
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] 4.10 (0.3) 4.20 4.20 (0.4) 4.10 (0.3)
Distance [pc] 243.80 (17) 238.02 (21) 238.02 (21) 248.00 243.80 (17)
Composition He
Proper motion (right ascension) [mas/yr] -4.254628698 (0.3) -3.99055243 (0.5) -4.255 (0.3)
Proper motion (declination) [mas/yr] -23.58478279 (0.2) -24.24870748 (0.4) -23.585 (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 18.58 (0.02) 18.58 (0.03) 18.58 (0.02)
g magnitude 18.59 (0.008) 18.60 (0.02) 18.59 (0.008)
r magnitude 18.80 (0.009) 18.81 (0.02) 18.80 (0.009)
i magnitude 19.02 (0.01) 19.02 (0.02) 19.02 (0.01)
z magnitude 19.11 (0.05) 19.11 (0.05) 19.11 (0.05)
G magnitude 18.68 (0.02) 18.72 18.68 (0.004)
BP magnitude 18.68 (0.02) 18.60
RP magnitude 18.76 (0.06) 18.69
Pan g magnitude 18.61 (0.006)
Pan r magnitude 18.81 (0.006)
Pan i magnitude 19.02 (0.01)
Pan z magnitude 19.20 (0.01)
Pan y magnitude 19.33 (0.04)
E(B-V) 0.013

* 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.