SDSS J132358.62+280330.4

All names: SDSS J132358.62+280330.42, Gaia DR3 1449565416749514496, SDSS J132358.62+280330.4, Gaia DR2 1449565416749514496, GALEX J132358.6+280330, Gaia EDR3 1449565416749514496, SDSS J132358.61+280330.3

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 Simbad Vincent et al. 2023
Right ascension 13 23 58.62 (0.2) 13 23 58.62 13 23 58.62 (0.3) 13 23 58.62 (0.2)
Declination 28 03 30.38 (0.2) 28 03 30.35 28 03 30.38 (0.2) 28 03 30.33 (0.2)
Spectral type DB DB DB DB+MS
Effective temperature [K] 24054.0 23555.0 19928.0 23479.0 (682) 22600.0 (669)
log(g) [cgs] 8.16 7.39 7.32 7.94 (0.06) 8.08 (0.06)
Mass [M] 0.697 0.349 0.313 0.612 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.0388
log(H/He) <-4.484 <-3.11
log(C/He)
log(Ca/He) <-4.0
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] 1.55 (0.3) 1.10 (0.3) 1.55 (0.3)
Distance [pc] 645.40 (118) 906.08 (270) 632.00 645.41 (118)
Composition He
Proper motion (right ascension) [mas/yr] 0.495895211 (0.4) 1.426337019 (0.7) 0.496 (0.4)
Proper motion (declination) [mas/yr] 2.693092667 (0.3) 3.457922823 (0.6) 2.693 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.13 (0.02) 19.14 (0.03) 19.13 (0.02)
g magnitude 19.25 (0.01) 19.28 (0.02) 19.25 (0.01)
r magnitude 19.64 (0.02) 19.64 (0.02) 19.64 (0.02)
i magnitude 19.92 (0.03) 19.94 (0.03) 19.92 (0.03)
z magnitude 20.25 (0.1) 20.24 (0.1) 20.25 (0.1)
G magnitude 19.45 (0.03) 19.49 19.45 (0.004)
BP magnitude 19.42 (0.03) 19.33
RP magnitude 19.55 (0.07) 19.54
Pan g magnitude 19.30 (0.02)
Pan r magnitude 19.64 (0.02)
Pan i magnitude 19.95 (0.01)
Pan z magnitude 20.21 (0.02)
Pan y magnitude 19.98 (0.2)
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.