GALEX J074559.6+832724

All names: SDSSJ074559.52+832725.0, Gaia DR2 1148897085890918528, GALEX J074559.6+832724, Gaia EDR3 1148897085890918528, Gaia DR3 1148897085890918528, SDSS J074559.51+832725.0, SDSS J074559.51+832724.9

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 07 45 59.52 (0.1) 07 45 59.52 07 45 59.51 (0.1)
Declination 83 27 24.90 (0.1) 83 27 25.00 83 27 24.92 (0.1)
Spectral type sdB sdB
Effective temperature [K]
log(g) [cgs]
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.29 (0.1) 0.22 (0.1) 0.29 (0.1)
Distance [pc] 3459.01 (1460) 4576.66 (3090) 3459.01 (1460)
Composition
Proper motion (right ascension) [mas/yr] 1.112 (0.2) 0.759 (0.3) 1.112 (0.2)
Proper motion (declination) [mas/yr] -1.527 (0.2) -1.54 (0.3) -1.527 (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 18.23 (0.02) 18.23 (0.02)
g magnitude 18.30 (0.007) 18.30 (0.007)
r magnitude 18.67 (0.01) 18.67 (0.01)
i magnitude 18.98 (0.02) 18.98 (0.02)
z magnitude 19.13 (0.07) 19.14 (0.06)
G magnitude 18.47 (0.003) 18.50 (0.002) 18.47 (0.003)
BP magnitude 18.38 (0.02) 18.34 (0.02)
RP magnitude 18.67 (0.05) 18.65 (0.02)
Pan g magnitude 18.37 (0.01)
Pan r magnitude 18.69 (0.006)
Pan i magnitude 18.93 (0.01)
Pan z magnitude 19.22 (0.02)
Pan y magnitude 19.07 (0.02)
E(B-V) 0.044

* 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.