EC 12200-2425

All names: GALEX J122240.7-244235, Gaia DR3 3476777370437869184, EC12200-2425, Gaia DR2 3476777370437869184, Gaia EDR3 3476777370437869184, EC 12200-2425, USNO-B1.0 0652-00273533

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 12 22 40.68 (0.05) 12 22 40.70 12 22 40.69 (0.05)
Declination -24 42 35.96 (0.04) -24 42 35.88 -24 42 35.91 (0.04)
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] 0.43 (0.06) 0.43 (0.1) 0.43 (0.06)
Distance [pc] 2302.03 (324) 2315.89 (585) 2302.03 (324)
Composition
Proper motion (right ascension) [mas/yr] -11.46 (0.07) -11.507 (0.2) -11.46 (0.07)
Proper motion (declination) [mas/yr] -2.894 (0.06) -2.654 (0.1) -2.894 (0.06)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.30
V magnitude 16.53
R magnitude 16.30
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.44 (0.003) 16.47 (0.001) 16.44 (0.003)
BP magnitude 16.34 (0.005) 16.31 (0.009)
RP magnitude 16.63 (0.006) 16.64 (0.005)
Pan g magnitude 16.30 (0.007)
Pan r magnitude 16.65 (0.003)
Pan i magnitude 16.97 (0.003)
Pan z magnitude 17.22 (0.004)
Pan y magnitude 17.37 (0.009)
E(B-V) 0.052

* 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.