EC 10307-2517

All names: Gaia EDR3 5469332167863288832, EC 10307-2517, GALEX J103304.9-253250, Gaia DR2 5469332167863288832, USNO-B1.0 0644-00251253, EC10307-2517, Gaia DR3 5469332167863288832

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 10 33 04.90 (0.04) 10 33 04.84 10 33 04.91 (0.04)
Declination -25 32 49.45 (0.05) -25 32 49.08 -25 32 49.50 (0.05)
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] 0.35 (0.07) 0.39 (0.1) 0.35 (0.07)
Distance [pc] 2850.63 (532) 2556.24 (647) 2850.63 (532)
Composition
Proper motion (right ascension) [mas/yr] -11.397 (0.06) -11.241 (0.1) -11.397 (0.06)
Proper motion (declination) [mas/yr] 2.998 (0.07) 2.973 (0.1) 2.998 (0.07)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.10
V magnitude 16.68
R magnitude 16.60
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.59 (0.003) 16.61 (0.002) 16.59 (0.003)
BP magnitude 16.48 (0.005) 16.44 (0.006)
RP magnitude 16.84 (0.009) 16.83 (0.007)
Pan g magnitude 16.44 (0.005)
Pan r magnitude 16.83 (0.003)
Pan i magnitude 17.17 (0.005)
Pan z magnitude 17.42 (0.004)
Pan y magnitude 17.61 (0.01)
E(B-V) 0.036

* 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.