WD 2351-014

All names: Gaia DR3 2641925540155533440, SDSS J235410.38-010728.7, WD 2351-014, SDSS J235410.36-010728.6, Gaia DR2 2641925540155533440, SDSS J235410.39-010728.5, SDSS J235410.38-010728.6, PB 5581, GALEX J235410.3-010728, Gaia EDR3 2641925540155533440, LBQS 2351-0124, SDSS J235410.39-010728.50, SDSS J235410.37-010728.7

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE 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 23 54 10.38 (0.2) 23 54 10.38 23 54 10.38 (0.2) 23 54 10.38 23 54 10.38 (0.2) 23 54 10.38 23 54 09.82 23 54 10.39
Declination -01 07 28.99 (0.1) -01 07 28.68 -01 07 28.98 (0.1) -01 07 28.99 -01 07 28.65 (0.1) -01 07 28.72 -01 07 30.36 -01 07 28.55
Spectral type DB_A: DB DB5 DB_A: DB DBAH: DB
Effective temperature [K] 16114.0 14345.0 12364.0 16101.0 (115) 13900.0 (706) 16557.0 (131) 15879.0 (140)
log(g) [cgs] 8.08 7.61 7.40 7.76 (0.09) 7.66 (0.09) 8.09 (0.09) 7.90 (0.1)
Mass [M] 0.641 0.394 0.31 0.413 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 0.1880
log(H/He) -5.369 <-5.13
log(C/He)
log(Ca/He) <-6.75
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] 3.62 (0.2) 3.40 (0.2) 3.62 3.62 (0.2)
Distance [pc] 276.38 (15) 293.69 (21) 297.00 276.38 276.37 (15)
Composition He
Proper motion (right ascension) [mas/yr] 1.515130162 (0.2) 1.877315632 (0.5) 1.515 (0.2) -42.7
Proper motion (declination) [mas/yr] -21.00275594 (0.1) -22.13437976 (0.3) -21.003 (0.1) 6.3
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.50
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.05 (0.01) 18.05 (0.01) 18.13 (0.02) 18.09 18.10 (0.02)
g magnitude 18.11 (0.006) 18.11 (0.006) 18.18 (0.02) 18.19 18.15 (0.02)
r magnitude 18.36 (0.008) 18.36 (0.008) 18.39 (0.02) 18.39 18.38 (0.02)
i magnitude 18.59 (0.01) 18.59 (0.01) 18.60 (0.01) 18.59 18.57 (0.01)
z magnitude 18.75 (0.04) 18.75 (0.04) 18.76 (0.04) 18.76 18.73 (0.04)
G magnitude 18.22 (0.01) 18.25 18.22 18.22 (0.003)
BP magnitude 18.19 (0.01) 18.11
RP magnitude 18.29 (0.02) 18.20
Pan g magnitude 18.18 (0.006)
Pan r magnitude 18.38 (0.006)
Pan i magnitude 18.57 (0.009)
Pan z magnitude 18.77 (0.007)
Pan y magnitude 18.97 (0.04)
E(B-V) 0.025

* 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.