EC 12578-2107

All names: 2MASS J13003272-2123571, Gaia DR2 3505433564035282816, TIC 408552372, EC12578-2107, GALEX J130032.8-212356, Gaia DR3 3505433564035282816, EC 12578-2107

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 13 00 32.71 13 00 32.72 (0.03)
Declination -21 23 56.96 -21 23 57.10 (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] 1.48 (0.07) 1.46 (0.03)
Distance [pc] 677.97 (31) 683.20 (16)
Composition
Proper motion (right ascension) [mas/yr] -27.444 (0.1) -27.363 (0.04)
Proper motion (declination) [mas/yr] 3.335 (0.1) 2.977 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 13.39
V magnitude 13.54
R magnitude
I magnitude
J magnitude 13.88 (0.03) 13.88 (0.03)
H magnitude 13.96 (0.04) 13.96 (0.04)
K magnitude 13.96 (0.07) 13.96 (0.07)
u magnitude 14.03 (0.004)
g magnitude 13.92 (0.003)
r magnitude
i magnitude 14.54 (0.005)
z magnitude 14.55 (0.005)
G magnitude 13.52 (0.0006) 13.50 (0.003)
BP magnitude 13.40 (0.007)
RP magnitude 13.66 (0.003)
Pan g magnitude 13.46
Pan r magnitude 13.72 (0.008)
Pan i magnitude 14.01 (0.0009)
Pan z magnitude 14.24 (0.004)
Pan y magnitude 14.37 (0.006)
E(B-V) 0.062

* 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.