EC 22070-2905

All names: UCAC4 306-284150, TIC 32199819, EC 22070-2905, Gaia DR3 6618211485472699904, Gaia DR2 6618211485472699904, EC22070-2905, GALEX J220955.1-285034, 2MASS J22095511-2850348

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 22 09 55.17 22 09 55.14 (0.04)
Declination -28 50 34.87 -28 50 34.81 (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] 0.12 (0.09) 0.22 (0.05)
Distance [pc] 8230.45 (6239) 4518.75 (982)
Composition
Proper motion (right ascension) [mas/yr] 15.919 (0.1) 15.738 (0.05)
Proper motion (declination) [mas/yr] -5.738 (0.1) -5.819 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.77 (0.03)
V magnitude 15.80 (0.01)
R magnitude 16.20 (0.2)
I magnitude
J magnitude 16.39 (0.1) 16.39 (0.1)
H magnitude 16.34 (0.2) 16.34 (0.2)
K magnitude 15.93
u magnitude
g magnitude 15.76 (0.01)
r magnitude 16.08 (0.01)
i magnitude
z magnitude
G magnitude 15.90 (0.001) 15.88 (0.003)
BP magnitude 15.78 (0.008)
RP magnitude 16.02 (0.006)
Pan g magnitude 15.73 (0.003)
Pan r magnitude 16.05 (0.001)
Pan i magnitude 16.35 (0.004)
Pan z magnitude 16.58 (0.006)
Pan y magnitude 16.70 (0.009)
E(B-V) 0.014

* 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.