PHL 1539

All names: GALEX J032634.1-310339, GALEXJ03265-3103, Gaia DR2 5054985505903099392, Gaia DR3 5054985505903099392, UCAC4 295-003551, TIC 142875987, Gaia EDR3 5054985505903099392, PHL 1539, 2MASS J03263425-3103425

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 03 26 34.27 (0.02) 03 26 34.28 03 26 34.25 (0.02)
Declination -31 03 42.45 (0.03) -31 03 41.79 -31 03 42.52 (0.03)
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] 1.08 (0.04) 0.98 (0.05) 1.08 (0.04)
Distance [pc] 929.63 (34) 1021.55 (54) 929.63 (34)
Composition
Proper motion (right ascension) [mas/yr] 16.171 (0.03) 16.143 (0.07) 16.171 (0.03)
Proper motion (declination) [mas/yr] 4.343 (0.04) 4.317 (0.09) 4.343 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 13.83 (0.04)
V magnitude 14.10 (0.09)
R magnitude 14.41 (0.1)
I magnitude
J magnitude 14.77 (0.04) 14.77 (0.04)
H magnitude 14.94 (0.07) 14.94 (0.07)
K magnitude 15.01 (0.1) 15.01 (0.1)
u magnitude
g magnitude 13.84 (0.03)
r magnitude 14.31 (0.05)
i magnitude 14.73 (0.05)
z magnitude
G magnitude 14.02 (0.003) 14.04 (0.0005) 14.02 (0.003)
BP magnitude 13.86 (0.003) 13.76 (0.009)
RP magnitude 14.34 (0.004) 14.33 (0.002)
Pan g magnitude 13.88
Pan r magnitude 14.30 (0.001)
Pan i magnitude 14.68 (0.003)
Pan z magnitude 15.02
Pan y magnitude 15.26
E(B-V) 0.010

* 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.