WD 1452+048

All names: SDSS J145514.37+044153.4, Gaia EDR3 1158217405441520256, WD 1452+048, SDSS J145514.37+044153.40, Gaia DR3 1158217405441520256, GALEX J145514.3+044153, SDSS J145514.36+044153.4, LAMOST J145514.36+044153.4, SDSS J145514.37+044153.3, SDSS J145514.36+044153.3, USNO-A2.0 0900-07834194, Gaia DR2 1158217405441520256

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE 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 55 14.38 (0.2) 14 55 14.37 14 55 14.38 (0.3) 14 55 14.37 (0.2) 14 55 14.37 14 55 13.92 14 55 14.37
Declination 04 41 53.39 (0.2) 04 41 53.41 04 41 53.39 (0.3) 04 41 53.35 (0.2) 04 41 53.38 04 41 47.04 04 41 53.42
Spectral type DB DB DB DB3.0 DB DB
Effective temperature [K] 16014.0 17460.0 13932.0 16890.0 (198) 16981.0 (343)
log(g) [cgs] 7.92 8.26 7.98 8.26 (0.1) 8.36 (0.2)
Mass [M] 0.545 0.756 0.577
log(Luminosity) [L]
Cooling age [Gyr] 0.2421
log(H/He) <-5.948
log(C/He)
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 2.67 (0.3) 2.79 (0.4) 2.67 (0.3)
Distance [pc] 373.98 (35) 358.00 (52) 373.97 (35)
Composition He
Proper motion (right ascension) [mas/yr] 8.247357688 (0.3) 7.102089494 (0.7) 8.247 (0.3) -5.0
Proper motion (declination) [mas/yr] 2.513318219 (0.3) 2.383729915 (0.7) 2.513 (0.3) 2.5
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.70 (0.3)
V magnitude
R magnitude 18.90 (0.3)
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.95 (0.02) 18.95 (0.02) 18.96 (0.03) 18.94 18.94 (0.03)
g magnitude 19.06 (0.01) 19.06 (0.01) 19.08 (0.02) 19.08 19.07 (0.02)
r magnitude 19.35 (0.01) 19.36 (0.01) 19.34 (0.02) 19.35 19.34 (0.02)
i magnitude 19.58 (0.02) 19.58 (0.02) 19.58 (0.03) 19.58 19.58 (0.03)
z magnitude 19.89 (0.08) 19.89 (0.09) 19.91 (0.09) 19.90 19.90 (0.08)
G magnitude 19.19 (0.03) 19.22 19.19 (0.004)
BP magnitude 19.14 (0.03) 19.11
RP magnitude 19.47 (0.06) 19.33
Pan g magnitude 19.08 (0.008)
Pan r magnitude 19.35 (0.008)
Pan i magnitude 19.60 (0.009)
Pan z magnitude 19.76 (0.02)
Pan y magnitude 19.86 (0.08)
E(B-V) 0.031

* 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.