PB 5434

All names: Gaia DR3 2757867396332920576, Gaia EDR3 2757867396332920576, GALEX J233232.2+080230, Gaia DR2 2757867396332920576, SDSS J233232.24+080229.90, SDSS J233232.23+080229.9, SDSS J233232.24+080229.9, PB 5434

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Kepler et al. 2016 Koester & Kepler 2015 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 23 32 32.24 (0.2) 23 32 32.24 23 32 32.24 (0.2) 23 32 32.24 23 32 32.23 (0.2)
Declination 08 02 29.85 (0.1) 08 02 29.95 08 02 29.86 (0.2) 08 02 29.85 08 02 30.00 (0.1)
Spectral type DBA DBA DB DBA DB
Effective temperature [K] 16369.0 17281.0 14209.0 36503.0 (399) 16623.0 (66) 16856.0 (1764)
log(g) [cgs] 8.10 8.12 7.89 7.82 (0.04) 8.09 (0.05) 8.02 (0.1)
Mass [M] 0.65 0.664 0.525 0.536 (0.01) 0.605 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 0.1977
log(H/He) -4.63 -4.41 (0.2)
log(C/He)
log(Ca/He) <-6.54
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] 3.79 (0.2) 4.05 (0.2) 3.79 3.79 (0.2)
Distance [pc] 263.85 (15) 247.01 (15) 231.00 263.85 263.85 (15)
Composition He
Proper motion (right ascension) [mas/yr] 10.03609944 (0.2) 10.51186935 (0.5) 10.036 (0.2)
Proper motion (declination) [mas/yr] -9.014749428 (0.2) -9.124663007 (0.3) -9.015 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.50
V magnitude
R magnitude
I magnitude
J magnitude 18.38 (0.08)
H magnitude 18.30 (0.1)
K magnitude
u magnitude 17.99 (0.01) 17.99 (0.02) 17.99 (0.02)
g magnitude 18.04 (0.006) 18.07 (0.02) 18.07 (0.02)
r magnitude 18.35 (0.008) 18.38 (0.02) 18.38 (0.02)
i magnitude 18.54 (0.01) 18.55 (0.02) 18.55 (0.02)
z magnitude 18.79 (0.04) 18.81 (0.04) 18.81 (0.04)
G magnitude 18.19 (0.02) 18.22 18.19 18.19 (0.003)
BP magnitude 18.16 (0.02) 18.12
RP magnitude 18.30 (0.05) 18.26
Pan g magnitude 18.10 (0.003)
Pan r magnitude 18.35 (0.005)
Pan i magnitude 18.59 (0.005)
Pan z magnitude 18.80 (0.009)
Pan y magnitude 18.99 (0.02)
E(B-V) 0.057

* 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.