SDSS J145818.74+511612.1

All names: SDSS J145818.74+511612.1, SDSS J145818.73+511612.0, Gaia DR3 1593350678321920512, Gaia DR2 1593350678321920512, Gaia EDR3 1593350678321920512, GALEX J145818.9+511612, SDSS J145818.74+511612.14

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Kepler et al. 2016 Simbad Vincent et al. 2023
Right ascension 14 58 18.75 (0.4) 14 58 18.74 14 58 18.75 (0.5) 14 58 18.74 (0.4)
Declination 51 16 11.10 (0.4) 51 16 12.07 51 16 11.14 (0.5) 51 16 12.23 (0.4)
Spectral type DA: DA: DA DA
Effective temperature [K] 7139.0 7883.0 (216)
log(g) [cgs] 7.58 8.00 (1)
Mass [M] 0.378
log(Luminosity) [L]
Cooling age [Gyr] 0.8797
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] 3.68 (0.4) 3.11 (0.5) 3.68 (0.4)
Distance [pc] 271.41 (33) 321.59 (56) 271.41 (33)
Composition H
Proper motion (right ascension) [mas/yr] 5.051204122 (0.5) 3.924684974 (1) 5.051 (0.5)
Proper motion (declination) [mas/yr] -70.49019978 (0.7) -71.35387414 (1) -70.49 (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 21.07 (0.07) 21.07 (0.07) 21.06 (0.07)
g magnitude 20.60 (0.02) 20.60 (0.03) 20.60 (0.03)
r magnitude 20.50 (0.03) 20.49 (0.03) 20.50 (0.03)
i magnitude 20.44 (0.04) 20.41 (0.05) 20.44 (0.04)
z magnitude 20.63 (0.1) 20.62 (0.1) 20.63 (0.1)
G magnitude 20.35 (0.07) 20.40 20.35 (0.006)
BP magnitude 20.51 (0.07) 20.35
RP magnitude 19.98 (0.07) 19.89
Pan g magnitude 20.50 (0.02)
Pan r magnitude 20.42 (0.03)
Pan i magnitude 20.35 (0.02)
Pan z magnitude 20.37 (0.04)
Pan y magnitude 20.29 (0.2)
E(B-V) 0.019

* 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.