SDSS J145442.43+020146.0

All names: Gaia DR2 1154166220489747072, Gaia EDR3 1154166220489747072, WD 1452+022, SDSS J145442.43+020146.0, Gaia DR3 1154166220489747072, GALEX J145442.4+020146, SDSS J145442.44+020146.0

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 14 54 42.47 (0.5) 14 54 42.44 14 54 42.47 (0.7) 14 54 42.45 (0.5) 14 54 42.44 14 54 42.07 14 54 42.44
Declination 02 01 45.73 (0.5) 02 01 46.05 02 01 45.74 (0.5) 02 01 46.09 (0.5) 02 01 46.06 02 01 39.36 02 01 46.01
Spectral type DA: DA DA: DA: DA DA
Effective temperature [K] 7508.0 8107.0 (145) 7746.0 (162)
log(g) [cgs] 8.44 8.80 (0.2) 8.49 (0.3)
Mass [M] 0.873 0.897 (0.2)
log(Luminosity) [L]
Cooling age [Gyr] 2.9830
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] 6.27 (0.6) 5.79 (0.8) 6.27 (0.6)
Distance [pc] 159.52 (16) 172.67 (23) 159.52 (16)
Composition H
Proper motion (right ascension) [mas/yr] 22.47679154 (0.8) 21.55155342 (1) 22.477 (0.8) -14.9
Proper motion (declination) [mas/yr] -22.72067421 (0.8) -21.78004943 (1) -22.721 (0.8) -16.1
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.60 (0.07) 20.60 (0.07) 20.57 (0.07) 20.57 20.58 (0.07)
g magnitude 20.18 (0.02) 20.18 (0.02) 20.20 (0.03) 20.20 20.21 (0.03)
r magnitude 20.03 (0.03) 20.03 (0.03) 20.07 (0.03) 20.06 20.06 (0.03)
i magnitude 20.05 (0.03) 20.05 (0.03) 20.08 (0.04) 20.08 20.09 (0.04)
z magnitude 20.37 (0.2) 20.37 (0.2) 20.43 (0.2) 20.43 20.45 (0.2)
G magnitude 20.03 (0.09) 20.06 20.03 (0.008)
BP magnitude 20.20 (0.09) 20.46
RP magnitude 19.90 (0.09) 19.86
Pan g magnitude 20.16 (0.03)
Pan r magnitude 20.06 (0.009)
Pan i magnitude 20.08 (0.02)
Pan z magnitude 20.10 (0.02)
Pan y magnitude 20.32 (0.09)
E(B-V) 0.026

* 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.