HS 1732+7023

All names: HS1732+7023, HS 1732+7023, SDSS J173218.97+702128.2, UCAC4 802-024344, Gaia DR2 1638672002159650176, Gaia DR3 1638672002159650176, GALEX J173218.9+702127

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 17 32 18.97 17 32 18.97 (0.04)
Declination 70 21 28.49 70 21 28.31 (0.04)
Spectral type sdO sdO
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] 0.21 (0.06) 0.15 (0.04)
Distance [pc] 4816.96 (1459) 6506.18 (1778)
Composition
Proper motion (right ascension) [mas/yr] -1.02 (0.1) -0.873 (0.05)
Proper motion (declination) [mas/yr] 0.567 (0.1) 0.378 (0.06)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 15.25 (0.005) 15.24 (0.02)
g magnitude 15.62 (0.004) 15.66 (0.02)
r magnitude 16.11 (0.005) 16.11 (0.01)
i magnitude 16.45 (0.006) 16.46 (0.01)
z magnitude 16.75 (0.01) 16.76 (0.02)
G magnitude 15.88 (0.001) 15.86 (0.003)
BP magnitude 15.65 (0.007)
RP magnitude 16.16 (0.004)
Pan g magnitude 15.72 (0.004)
Pan r magnitude 16.13 (0.003)
Pan i magnitude 16.49 (0.002)
Pan z magnitude 16.77 (0.009)
Pan y magnitude 16.97 (0.01)
E(B-V) 0.029

* 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.