SDSS J094714.36+455701.3

All names: GALEX J094714.2+455701, Gaia EDR3 821445755587233024, Gaia DR3 821445755587233024, Gaia DR2 821445755587233024, SDSS J094714.36+455701.3, SDSS J094714.35+455701.3

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Blouin & Xu 2022 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 09 47 14.31 (0.1) 09 47 14.36 09 47 14.31 (0.2) 09 47 14.31 09 47 14.36 (0.1) 09 47 14.36
Declination 45 57 01.43 (0.1) 45 57 01.37 45 57 01.43 (0.2) 45 57 01.43 45 57 01.28 (0.1) 45 57 01.34
Spectral type DAZ DA DAZ DAZ DA
Effective temperature [K] 7612.0 (80) 7682.0 7624.0 (167) 7381.0 (70)
log(g) [cgs] 8.07 (0.05) 8.05 8.01 (0.05) 7.73 (0.2)
Mass [M] 0.638 (0.03) 0.625 0.6 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 1.4100 1.2820
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H) -5.69 (0.08)
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] 6.71 (0.2) 6.71 (0.2) 6.75 (0.3) 6.71 6.71 (0.2)
Distance [pc] 149.13 (4) 149.13 (4) 148.08 (6) 149.13 149.13 (4)
Composition H
Proper motion (right ascension) [mas/yr] -31.94073852 (0.2) -31.76965518 (0.4) -31.941 (0.2)
Proper motion (declination) [mas/yr] 9.659239367 (0.1) 9.640296592 (0.3) 9.659 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.74 (0.03) 19.74 (0.03) 19.84 (0.04)
g magnitude 19.38 (0.01) 19.38 (0.01) 19.17 (0.03)
r magnitude 19.06 (0.01) 19.06 (0.01) 19.02 (0.02)
i magnitude 19.07 (0.01) 19.07 (0.01) 19.06 (0.02)
z magnitude 19.17 (0.05) 19.16 (0.05) 19.10 (0.05)
G magnitude 19.02 (0.01) 19.06 19.02 19.02 (0.003)
BP magnitude 19.19 (0.01) 19.16
RP magnitude 18.75 (0.02) 18.73
Pan g magnitude 19.16 (0.01) 19.16 (0.01)
Pan r magnitude 19.03 (0.003) 19.03 (0.003)
Pan i magnitude 19.07 (0.01) 19.07 (0.01)
Pan z magnitude 19.12 (0.01) 19.12 (0.01)
Pan y magnitude 19.26 (0.03) 19.26 (0.03)
E(B-V) 0.009

* 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.