WD 1443+590

All names: SDSS J144518.11+585031.6, Gaia DR2 1617010931601618432, WD 1443+590, SDSS J144518.03+585032.20, GALEX J144518.0+585032, SDSS J144518.03+585032.2, Gaia DR3 1617010931601618432, SDSS J144518.03+585032.1, SBSS 1443+590, J1445+5850, Gaia EDR3 1617010931601618432

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) Coutu et al. 2019 Gaia DR2 Stilism Koester & Kepler 2015 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 14 45 18.10 (0.08) 14 45 18.03 14 45 18.03 14 45 18.10 (0.1) 14 45 18.10 14 45 18.03 (0.08) 14 45 18.04 14 45 17.76 14 45 18.03
Declination 58 50 31.39 (0.07) 58 50 32.19 58 50 32.16 58 50 31.42 (0.09) 58 50 31.39 58 50 32.17 (0.07) 58 50 32.18 58 50 31.56 58 50 32.21
Spectral type DBZ DB DBZH DBZ DB DBZH: DB
Effective temperature [K] 14185.0 13527.0 13052.0 (673) 14242.0 (51) 14164.0 (399) 15609.0 (213) 14454.0 (120)
log(g) [cgs] 7.87 8.01 7.96 8.00 (0) 8.08 (0.04) 8.67 (0.2) 8.36 (0.09)
Mass [M] 0.517 0.593 0.5605 0.636 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.2830
log(H/He) <-6.497 <-6.1087 <-5.76
log(C/He)
log(Ca/He) -8.6874 (0.2) -8.22 (0.2)
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] 5.54 (0.08) 5.59 5.59 (0.1) 5.54 5.54 (0.08)
Distance [pc] 180.50 (3) 179.03 (4) 179.03 (4) 189.00 180.50 180.50 (3)
Composition He
Proper motion (right ascension) [mas/yr] 37.60774855 (0.1) 37.08462776 (0.2) 37.608 (0.1) 45.3
Proper motion (declination) [mas/yr] -48.45428679 (0.1) -48.33843521 (0.2) -48.454 (0.1) -46.5
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.50
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.64 (0.009) 17.64 (0.009) 17.64 (0.02) 17.67 17.65 (0.02)
g magnitude 17.69 (0.005) 17.69 (0.005) 17.70 (0.02) 17.70 17.71 (0.02)
r magnitude 17.95 (0.006) 17.95 (0.006) 17.94 (0.02) 17.94 17.95 (0.02)
i magnitude 18.16 (0.008) 18.16 (0.008) 18.14 (0.01) 18.14 18.15 (0.02)
z magnitude 18.40 (0.02) 18.40 (0.02) 18.38 (0.03) 18.40 18.40 (0.03)
G magnitude 17.81 (0.008) 17.84 17.81 17.81 (0.003)
BP magnitude 17.78 (0.008) 17.75
RP magnitude 17.88 (0.02) 17.85
Pan g magnitude 17.74 (0.005)
Pan r magnitude 17.97 (0.007)
Pan i magnitude 18.19 (0.005)
Pan z magnitude 18.41 (0.01)
Pan y magnitude 18.49 (0.03)
E(B-V) 0.016

* 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.