SDSS J224819.87+235012.1

All names: SDSS J224819.87+235012.2, Gaia DR2 1876354113634778240, GALEX J224819.8+235012, Gaia DR3 1876354113634778240, SDSS J224819.87+235012.1, Gaia EDR3 1876354113634778240

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H MWDD HE Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 22 48 19.84 (0.5) 22 48 19.87 22 48 19.84 (0.9) 22 48 19.89 (0.5) 22 48 19.87
Declination 23 50 11.70 (0.6) 23 50 12.21 23 50 11.72 (1) 23 50 12.50 (0.6) 23 50 12.12
Spectral type DC DC DC DC DC
Effective temperature [K] 7601.0 7352.0 10313.0 (222)
log(g) [cgs] 8.06 7.96 8.30 (0.7)
Mass [M] 0.629 0.553
log(Luminosity) [L]
Cooling age [Gyr] 1.3290 1.3110
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 3.78 (0.7) 4.09 (0.8) 3.78 (0.7)
Distance [pc] 264.73 (48) 244.57 (49) 264.73 (48)
Composition
Proper motion (right ascension) [mas/yr] -46.23073253 (0.8) -43.98851315 (2) -46.231 (0.8)
Proper motion (declination) [mas/yr] -50.07590198 (0.7) -48.47832257 (2) -50.076 (0.7)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.89 (0.1) 20.89 (0.1) 20.85 (0.1)
g magnitude 20.30 (0.03) 20.30 (0.03) 20.30 (0.03)
r magnitude 20.22 (0.03) 20.23 (0.03) 20.23 (0.03)
i magnitude 20.30 (0.05) 20.30 (0.05) 20.29 (0.06)
z magnitude 20.65 (0.3) 20.65 (0.3) 20.63 (0.3)
G magnitude 20.15 (0.07) 20.21 20.15 (0.006)
BP magnitude 20.35 (0.07) 20.31
RP magnitude 19.95 (0.1) 20.06
Pan g magnitude 20.27 (0.009)
Pan r magnitude 20.23 (0.02)
Pan i magnitude 20.20 (0.02)
Pan z magnitude 20.26 (0.02)
Pan y magnitude 20.31 (0.03)
E(B-V) 0.035

* 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.