EC 22423-4808

All names: 2MASS J22451604-4753087, Gaia DR3 6515977489868764288, EC22423-4808, TIC 44625421, EC 22423-4808, UCAC4 211-191069, Gaia DR2 6515977489868764288, Gaia EDR3 6515977489868764288, GALEX J224516.0-475307

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 22 45 16.05 (0.03) 22 45 16.12 22 45 16.04 (0.03)
Declination -47 53 08.39 (0.04) -47 53 06.40 -47 53 08.34 (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] 0.64 (0.05) 0.56 (0.07) 0.64 (0.05)
Distance [pc] 1550.87 (120) 1775.57 (224) 1550.87 (120)
Composition
Proper motion (right ascension) [mas/yr] 6.784 (0.03) 6.547 (0.07) 6.784 (0.03)
Proper motion (declination) [mas/yr] -3.116 (0.04) -2.94 (0.1) -3.116 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude 15.83 (0.2)
I magnitude
J magnitude 15.98 (0.08) 15.98 (0.08)
H magnitude 16.38 (0.2) 16.38 (0.2)
K magnitude 15.24
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.49 (0.003) 15.51 (0.0008) 15.49 (0.003)
BP magnitude 15.35 (0.003) 15.30 (0.009)
RP magnitude 15.77 (0.005) 15.77 (0.003)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.010

* 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.