SDSS J104418.16+251929.8

All names: Gaia DR3 723907254453325568, SDSS J104418.16+251929.8, GALEX J104418.2+251930, Gaia EDR3 723907254453325568, Gaia DR2 723907254453325568, SDSS J104418.16+251929.7, SDSS J104418.15+251929.7

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 10 44 18.22 (0.2) 10 44 18.16 10 44 18.22 (0.3) 10 44 18.22 10 44 18.13 (0.2) 10 44 18.16
Declination 25 19 28.98 (0.2) 25 19 29.76 25 19 29.01 (0.2) 25 19 28.98 25 19 30.17 (0.2) 25 19 29.78
Spectral type DA DA DA DA DA
Effective temperature [K] 6956.0 7286.0 (273) 6993.0 (87)
log(g) [cgs] 8.00 8.14 (0.08) 7.63 (0.2)
Mass [M] 0.592 0.68 (0.07) 0.428 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 1.5440
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] 7.52 (0.2) 7.29 (0.3) 7.52 7.52 (0.2)
Distance [pc] 132.95 (4) 137.19 (6) 132.95 132.95 (4)
Composition H
Proper motion (right ascension) [mas/yr] 75.58911158 (0.2) 76.55132485 (0.6) 75.589 (0.2)
Proper motion (declination) [mas/yr] -74.51812687 (0.2) -74.08174859 (0.4) -74.518 (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 19.91 (0.03) 19.91 (0.03) 19.93 (0.03)
g magnitude 19.35 (0.01) 19.34 (0.01) 19.36 (0.02)
r magnitude 19.14 (0.01) 19.14 (0.01) 19.14 (0.02)
i magnitude 19.15 (0.02) 19.15 (0.01) 19.14 (0.02)
z magnitude 19.13 (0.05) 19.13 (0.05) 19.11 (0.05)
G magnitude 19.15 (0.04) 19.18 19.15 19.15 (0.004)
BP magnitude 19.31 (0.04) 19.34
RP magnitude 18.80 (0.05) 18.87
Pan g magnitude 19.33 (0.01)
Pan r magnitude 19.16 (0.02)
Pan i magnitude 19.12 (0.01)
Pan z magnitude 19.20 (0.02)
Pan y magnitude 19.19 (0.02)
E(B-V) 0.007

* 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.