HS 0546+8009

All names: GALEX J055527.2+801035, Gaia EDR3 553641320479547520, HS 0546+8009, Gaia DR2 553641320479547520, Gaia DR3 553641320479547520, HS0546+8009, 2MASS J05552694+8010361, FBS 0546+803, TIC 446157164, FBS B 1044

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 05 55 26.97 (0.02) 05 55 26.80 05 55 26.94 (0.02)
Declination 80 10 36.13 (0.02) 80 10 36.08 80 10 36.17 (0.02)
Spectral type sdOB sdOB
Effective temperature [K] 34000.0 (800)
log(g) [cgs] 5.75 (0.1)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 1.27 (0.02) 1.24 (0.04) 1.27 (0.02)
Distance [pc] 786.91 (15) 808.54 (23) 786.91 (15)
Composition
Proper motion (right ascension) [mas/yr] 4.581 (0.02) 4.597 (0.05) 4.581 (0.02)
Proper motion (declination) [mas/yr] -2.097 (0.03) -1.973 (0.06) -2.097 (0.03)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 14.79 (0.04) 14.79 (0.04)
H magnitude 14.80 (0.06) 14.80 (0.06)
K magnitude 15.01 (0.1) 15.01 (0.1)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 14.24 (0.003) 14.26 (0.0005) 14.24 (0.003)
BP magnitude 14.12 (0.003) 14.07 (0.007)
RP magnitude 14.47 (0.004) 14.47 (0.002)
Pan g magnitude 14.12 (0.003)
Pan r magnitude 14.48 (0.003)
Pan i magnitude 14.80 (0.002)
Pan z magnitude 15.06 (0.003)
Pan y magnitude 15.21 (0.004)
E(B-V) 0.058

* 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.