SDSS J145818.51+102632.9

All names: SDSS J145818.51+102633.2, SDSS J145818.51+102633.0, Gaia DR2 1180235606824418432, SDSS J145818.51+102632.96, Gaia DR3 1180235606824418432, SDSS J145818.51+102632.9, Gaia EDR3 1180235606824418432, GALEX J145818.5+102633

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Kepler et al. 2015 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 14 58 18.51 (0.2) 14 58 18.51 14 58 18.51 (0.3) 14 58 18.51 14 58 18.51 (0.2)
Declination 10 26 32.83 (0.1) 10 26 33.26 10 26 32.85 (0.2) 10 26 32.83 10 26 33.33 (0.1)
Spectral type DBA DBA DB DBA DB
Effective temperature [K] 12377.0 11868.0 11237.0 11818.0 (74) 12128.0 (69) 11640.0 (571)
log(g) [cgs] 8.05 8.06 8.00 8.00 (0) 8.00 (0) 8.04 (0.07)
Mass [M] 0.616 0.622 0.585 0.607 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 0.4604
log(H/He) -5.33 -5.19 (0.1)
log(C/He)
log(Ca/He) <-10.28
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] 5.06 (0.2) 5.06 (0.3) 5.06 5.06 (0.2)
Distance [pc] 197.53 (7) 197.45 (12) 203.00 197.53 197.53 (7)
Composition He
Proper motion (right ascension) [mas/yr] -2.002912006 (0.2) -2.463795763 (0.5) -2.003 (0.2)
Proper motion (declination) [mas/yr] -30.92617965 (0.2) -31.0312974 (0.4) -30.926 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.42 (0.01) 18.41 (0.02) 18.42 (0.01)
g magnitude 18.36 (0.007) 18.36 (0.02) 18.36 (0.007)
r magnitude 18.56 (0.009) 18.57 (0.01) 18.56 (0.009)
i magnitude 18.74 (0.01) 18.73 (0.02) 18.74 (0.01)
z magnitude 18.91 (0.03) 18.91 (0.03) 18.91 (0.03)
G magnitude 18.43 (0.04) 18.47 18.43 18.43 (0.004)
BP magnitude 18.42 (0.04) 18.33
RP magnitude 18.41 (0.03) 18.44
Pan g magnitude 18.40 (0.005)
Pan r magnitude 18.56 (0.005)
Pan i magnitude 18.74 (0.007)
Pan z magnitude 18.91 (0.02)
Pan y magnitude 19.03 (0.03)
E(B-V) 0.023

* 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.