GALEX 2665473523047205244

All names: SDSS J232404.70-001813.0, GALEX 2417098330278467679, USNO-A2.0 0825-19932765, SDSS J232404.72-001813.2, GALEX 2665473523047205244, PSO J232404.713+001813.421, Gaia DR2 2644893534355784064

Parameter Unit MWDD H MWDD HE Pan-STARRS DR1 Gaia DR2 SDSS DR12 Simbad Eisenstein et al. 2006
Right ascension 23 24 04.73 (0.3) 23 24 04.70 23 24 04.70 23 24 04.70
Declination -00 18 13.37 (0.3) -00 18 13.10 -00 18 13.04 -00 18 13.04
Spectral type sdB sdB sdB SDB
Effective temperature [K] 10975.0 11750.0 23431.0 (697)
log(g) [cgs] 7.65 7.66 5.01 (0.02)
Mass [M☉] 0.42100000000000004 0.41
log(Luminosity) [L☉]
Cooling age [Gyr] 0.3103 0.2672
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 3.11 (0.4)
Distance [pc] 321.35 (38)
Composition
Proper motion (right ascension) [mas/yr] 29.6185413438 (0.6) 31.0 31.5
Proper motion (declination) [mas/yr] -23.402224391 (0.5) -23.0 -22.9
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.10
V magnitude
R magnitude 18.40
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.80 (0.02) 18.82 18.82 (0.03)
g magnitude 18.82 (0.008) 18.82 18.83 (0.02)
r magnitude 19.03 (0.01) 19.00 19.01 (0.02)
i magnitude 19.24 (0.01) 19.23 19.24 (0.02)
z magnitude 19.42 (0.05) 19.54 19.55 (0.09)
G magnitude 18.95
BP magnitude 18.92
RP magnitude 18.99
Pan g magnitude 18.86 (0.007)
Pan r magnitude 19.06 (0.008)
Pan i magnitude 19.25 (0.007)
Pan z magnitude 19.49 (0.009)
Pan y magnitude 19.48 (0.02)

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.