SDSS J224141.96+203712.7

All names: GALEX J224141.9+203712, Gaia DR3 2834588942602419072, Gaia DR2 2834588942602419072, SDSS J224141.96+203712.7, Gaia EDR3 2834588942602419072, SDSS J224141.96+203712.70

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H MWDD HE Gaia DR2 Stilism Kepler et al. 2016 Simbad
Right ascension 22 41 41.96 (0.4) 22 41 41.96 22 41 41.96 (0.8) 22 41 41.95 (0.4)
Declination 20 37 12.75 (0.5) 20 37 12.70 20 37 12.76 (1) 20 37 12.76 (0.5)
Spectral type sdB sdB sdB sdB
Effective temperature [K] 7416.0 7260.0 30157.0 (1000)
log(g) [cgs] 7.45 7.37 6.46 (0.5)
Mass [M] 0.326 0.279
log(Luminosity) [L]
Cooling age [Gyr] 0.7249 0.7491
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 1.92 (0.5) 3.28 (0.9) 1.92 (0.5)
Distance [pc] 521.32 (144) 304.58 (84) 521.32 (144)
Composition
Proper motion (right ascension) [mas/yr] 4.701303086 (0.5) 1.809532 (1) 4.701 (0.5)
Proper motion (declination) [mas/yr] -0.061033705 (0.6) 0.188031326 (2) -0.061 (0.6)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.69 (0.1) 20.70 (0.1) 20.70 (0.1)
g magnitude 20.11 (0.02) 20.14 (0.03) 20.14 (0.03)
r magnitude 19.93 (0.03) 19.96 (0.03) 19.96 (0.03)
i magnitude 19.95 (0.03) 19.96 (0.04) 19.96 (0.04)
z magnitude 19.90 (0.1) 19.92 (0.1) 19.92 (0.1)
G magnitude 19.93 (0.06) 19.98 19.93 (0.005)
BP magnitude 20.11 (0.06) 20.19
RP magnitude 19.61 (0.08) 19.68
Pan g magnitude 20.05 (0.01)
Pan r magnitude 19.96 (0.02)
Pan i magnitude 19.97 (0.01)
Pan z magnitude 20.02 (0.02)
Pan y magnitude 19.84 (0.06)
E(B-V) 0.056

* 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.