SDSS J094818.65+300155.8

All names: SDSS J094818.66+300155.8, Gaia EDR3 744559557451744000, Gaia DR2 744559557451744000, LAMOST J094818.65+300156.3, SDSS J094818.65+300155.8, Gaia DR3 744559557451744000, GALEX J094818.6+300156, SDSS J094818.66+300155.7

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Guo et al. 2015 Vincent et al. 2024 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 09 48 18.63 (0.09) 09 48 18.66 09 48 18.63 (0.1) 09 48 18.63 09 48 18.68 (0.09) 09 48 18.66
Declination 30 01 55.69 (0.07) 30 01 55.84 30 01 55.70 (0.1) 30 01 55.69 30 01 55.84 (0.07) 30 01 55.79
Spectral type DA DA DA DA DA DA
Effective temperature [K] 15227.0 15308.0 (456) 15408.0 (165)
log(g) [cgs] 8.03 8.02 (0.04) 7.96 (0.04)
Mass [M] 0.631 0.624 (0.03) 0.592 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.1979
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] 4.99 (0.1) 5.00 (0.2) 4.99 4.99 (0.1)
Distance [pc] 200.55 (5) 200.15 (6) 200.55 200.55 (5)
Composition H
Proper motion (right ascension) [mas/yr] -40.02035051 (0.1) -39.87938914 (0.2) -40.02 (0.1)
Proper motion (declination) [mas/yr] -9.348830464 (0.08) -9.350142981 (0.2) -9.349 (0.08)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.98 (0.01) 17.98 (0.01) 18.01 (0.03)
g magnitude 17.69 (0.005) 17.70 (0.005) 17.72 (0.02)
r magnitude 17.97 (0.007) 17.98 (0.007) 17.98 (0.01)
i magnitude 18.22 (0.009) 18.22 (0.009) 18.25 (0.02)
z magnitude 18.47 (0.02) 18.47 (0.02) 18.51 (0.04)
G magnitude 17.84 (0.008) 17.87 17.84 17.84 (0.003)
BP magnitude 17.81 (0.008) 17.80
RP magnitude 17.92 (0.02) 17.95
Pan g magnitude 17.71 (0.003)
Pan r magnitude 17.99 (0.005)
Pan i magnitude 18.24 (0.006)
Pan z magnitude 18.49 (0.006)
Pan y magnitude 18.69 (0.01)
E(B-V) 0.012

* 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.