EC 21139-5008

All names: EC 21139-5008, GALEX J211726.1-495527, Gaia EDR3 6478597977175117440, TIC 471015392, TIC 1989717812, EC21139-5008, Gaia DR3 6478597977175117440, Gaia DR2 6478597977175117440

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 21 17 26.17 (0.04) 21 17 26.16 21 17 26.17 (0.04)
Declination -49 55 28.24 (0.04) -49 55 28.20 -49 55 27.99 (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] 0.35 (0.05) 0.35 (0.08) 0.35 (0.05)
Distance [pc] 2851.44 (446) 2879.36 (638) 2851.44 (446)
Composition
Proper motion (right ascension) [mas/yr] 1.76 (0.05) 1.644 (0.1) 1.76 (0.05)
Proper motion (declination) [mas/yr] -15.761 (0.04) -15.652 (0.1) -15.761 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.34
V magnitude 16.61
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.58 (0.003) 16.60 (0.001) 16.58 (0.003)
BP magnitude 16.45 (0.004) 16.38 (0.01)
RP magnitude 16.84 (0.008) 16.82 (0.007)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.017

* 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.