SDSS J225035.06+042408.7

All names: SDSS J225035.06+042408.7, GALEX J225035.1+042409, Gaia EDR3 2705124815685058048, Gaia DR2 2705124815685058048, Gaia DR3 2705124815685058048, SDSS J225035.06+042408.71

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 22 50 35.07 (1) 22 50 35.07 22 50 35.07 (2) 22 50 35.07 (1)
Declination 04 24 08.57 (1) 04 24 08.70 04 24 08.59 (1) 04 24 09.01 (1)
Spectral type DA DA DA DA
Effective temperature [K] 8471.0 8693.0 (119)
log(g) [cgs] 7.51 8.10 (0.2)
Mass [M] 0.352 0.654 (0.09)
log(Luminosity) [L]
Cooling age [Gyr] 0.5484
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 2.16 (2) 2.14 (2) 2.16 (2)
Distance [pc] 462.56 (338) 467.08 (412) 462.56 (338)
Composition H
Proper motion (right ascension) [mas/yr] 2.249699562 (1) 0.526324087 (2) 2.25 (1)
Proper motion (declination) [mas/yr] -27.27648802 (1) -25.33299517 (2) -27.276 (1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.22 (0.09) 21.19 (0.09) 21.19 (0.09)
g magnitude 20.74 (0.03) 20.75 (0.03) 20.75 (0.03)
r magnitude 20.55 (0.03) 20.54 (0.03) 20.54 (0.03)
i magnitude 20.63 (0.05) 20.63 (0.04) 20.63 (0.04)
z magnitude 20.81 (0.2) 20.79 (0.2) 20.79 (0.2)
G magnitude 20.56 (0.2) 20.63 20.56 (0.01)
BP magnitude 20.64 (0.2) 20.87
RP magnitude 20.18 (0.2) 20.34
Pan g magnitude 20.67 (0.03)
Pan r magnitude 20.55 (0.02)
Pan i magnitude 20.62 (0.01)
Pan z magnitude 20.78 (0.1)
Pan y magnitude
E(B-V) 0.062

* 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.