SDSS J173304.07+645606.0

All names: GALEX J173304.0+645605, Gaia DR3 1632777619106178560, Gaia DR2 1632777619106178560, SDSS J173304.07+645605.9, SDSS J173304.07+645606.0, Gaia EDR3 1632777619106178560, SDSS J173304.07+645606.00

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 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 17 33 04.07 (0.2) 17 33 04.07 17 33 04.07 (0.3) 17 33 04.07 (0.2) 17 33 04.07
Declination 64 56 06.27 (0.3) 64 56 05.97 64 56 06.26 (0.5) 64 56 05.83 (0.3) 64 56 06.01
Spectral type DBA: DBA DBA: DB
Effective temperature [K] 13060.0 12449.0 12364.0 12885.0 (139) 13487.0 (303)
log(g) [cgs] 7.97 8.45 8.47 8.00 (0) 8.52 (0.2)
Mass [M] 0.568 0.876 0.888
log(Luminosity) [L]
Cooling age [Gyr] 0.7294
log(H/He) -5.429 <-5.13
log(C/He)
log(Ca/He) <-8.94
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] 3.36 (0.3) 3.74 (0.4) 3.36 (0.3)
Distance [pc] 297.58 (25) 267.17 (26) 369.00 297.58 (25)
Composition He
Proper motion (right ascension) [mas/yr] 0.252334627 (0.3) 0.455336889 (0.7) 0.252 (0.3)
Proper motion (declination) [mas/yr] 27.40843071 (0.4) 28.34389622 (0.9) 27.408 (0.4)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.52 (0.03) 19.52 (0.03) 19.47 (0.04)
g magnitude 19.50 (0.01) 19.50 (0.01) 19.45 (0.02)
r magnitude 19.67 (0.02) 19.67 (0.02) 19.69 (0.02)
i magnitude 19.93 (0.03) 19.93 (0.03) 19.84 (0.03)
z magnitude 20.02 (0.1) 20.02 (0.1) 20.22 (0.1)
G magnitude 19.57 (0.04) 19.63 19.57 (0.004)
BP magnitude 19.65 (0.04) 19.61
RP magnitude 19.52 (0.07) 19.68
Pan g magnitude 19.52 (0.01)
Pan r magnitude 19.73 (0.02)
Pan i magnitude 19.92 (0.01)
Pan z magnitude 20.12 (0.04)
Pan y magnitude 19.97 (0.2)
E(B-V) 0.022

* 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.