EC 21182-2921

All names: Gaia DR2 6789276601194846720, EC 21182-2921, GALEX J212115.5-290859, 2MASS J21211552-2908595, EC21182-2921, Gaia DR3 6789276601194846720, TIC 302300684, UCAC4 305-282213

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 21 21 15.57 21 21 15.52 (0.03)
Declination -29 08 59.71 -29 08 59.63 (0.02)
Spectral type sdB sdB/B
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] 0.14 (0.09) 0.11 (0.05)
Distance [pc] 7251.63 (4538) 8802.82 (3882)
Composition
Proper motion (right ascension) [mas/yr] -2.516 (0.1) -2.564 (0.04)
Proper motion (declination) [mas/yr] -12.017 (0.07) -12.02 (0.03)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.21 (0.04)
V magnitude 15.18 (0.01)
R magnitude 15.54 (0.09)
I magnitude
J magnitude 15.19 (0.05) 15.19 (0.05)
H magnitude 14.98
K magnitude 15.20 (0.1) 15.20 (0.1)
u magnitude
g magnitude 15.09 (0.01)
r magnitude 15.28 (0.01)
i magnitude
z magnitude
G magnitude 15.15 (0.0006) 15.13 (0.003)
BP magnitude 15.11 (0.004)
RP magnitude 15.12 (0.004)
Pan g magnitude 15.09 (0.003)
Pan r magnitude 15.25 (0.003)
Pan i magnitude 15.46 (0.001)
Pan z magnitude 15.62 (0.005)
Pan y magnitude 15.68 (0.008)
E(B-V) 0.074

* 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.