SDSS J095859.79+244557.7

All names: SDSS J095859.80+244557.8, Gaia DR2 642715055250964608, Gaia EDR3 642715055250964608, GALEX J095859.8+244558, Gaia DR3 642715055250964608, SDSS J095859.79+244557.7, SDSS J095859.79+244557.6, SDSS J095859.80+244557.6

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 09 58 59.80 (0.2) 09 58 59.79 09 58 59.80 (0.3) 09 58 59.79 (0.2) 09 58 59.80
Declination 24 45 57.67 (0.2) 24 45 57.74 24 45 57.68 (0.2) 24 45 57.87 (0.2) 24 45 57.78
Spectral type DA DA DA DA
Effective temperature [K] 20427.0 23954.0 (592)
log(g) [cgs] 7.85 7.86 (0.08)
Mass [M] 0.545 0.564 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 0.0432
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] 2.20 (0.2) 1.93 (0.3) 2.20 (0.2)
Distance [pc] 455.45 (52) 518.31 (93) 455.46 (52)
Composition H
Proper motion (right ascension) [mas/yr] 8.766274287 (0.3) 8.104961969 (0.6) 8.766 (0.3)
Proper motion (declination) [mas/yr] -12.55913814 (0.2) -11.67728968 (0.5) -12.559 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.85 (0.02) 18.85 (0.02) 18.83 (0.03)
g magnitude 18.88 (0.009) 18.88 (0.009) 18.91 (0.02)
r magnitude 19.28 (0.01) 19.28 (0.01) 19.30 (0.02)
i magnitude 19.56 (0.02) 19.56 (0.02) 19.58 (0.02)
z magnitude 20.01 (0.09) 20.01 (0.1) 20.01 (0.09)
G magnitude 19.10 (0.03) 19.13 19.10 (0.004)
BP magnitude 19.00 (0.03) 19.01
RP magnitude 19.25 (0.06) 19.34
Pan g magnitude 18.93 (0.01)
Pan r magnitude 19.29 (0.009)
Pan i magnitude 19.62 (0.02)
Pan z magnitude 19.88 (0.02)
Pan y magnitude 19.95 (0.07)
E(B-V) 0.020

* 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.