HS 0707+8225

All names: HS 0707+8225, GALEX J071823.3+822003, HS0707+8225, Gaia DR3 1142767759538804608, FBS 0707+824, TIC 141620982, Gaia DR2 1142767759538804608, FBS B 1051, 2MASS J07182352+8220037

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 07 18 23.47 07 18 23.47 (0.03)
Declination 82 20 03.67 82 20 03.80 (0.03)
Spectral type sdB sdB
Effective temperature [K] 27800.0 (1000)
log(g) [cgs] 5.30 (0.2)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.63 (0.05) 0.58 (0.03)
Distance [pc] 1596.42 (121) 1719.99 (99)
Composition
Proper motion (right ascension) [mas/yr] 1.559 (0.07) 1.469 (0.04)
Proper motion (declination) [mas/yr] 1.528 (0.08) 1.454 (0.03)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 15.84 (0.07) 15.84 (0.07)
H magnitude 15.85 (0.1) 15.85 (0.1)
K magnitude 15.85 (0.3) 15.85 (0.3)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.27 (0.0008) 15.25 (0.003)
BP magnitude 15.10 (0.008)
RP magnitude 15.51 (0.003)
Pan g magnitude 15.13 (0.004)
Pan r magnitude 15.49 (0.003)
Pan i magnitude 15.83 (0.002)
Pan z magnitude 16.09 (0.004)
Pan y magnitude 16.26 (0.003)
E(B-V) 0.042

* 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.