SDSS J130633.63+645233.8

All names: Gaia DR2 1677950985613848320, Gaia EDR3 1677950985613848320, SDSS J130633.62+645233.90, WD 1304+651, Gaia DR3 1677950985613848320, GALEX J130633.6+645233, SDSS J130633.63+645233.8, SDSS J130633.61+645233.8, SDSS J130633.62+645233.9

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 13 06 33.64 (0.4) 13 06 33.61 13 06 33.64 (0.6) 13 06 33.61 (0.4) 13 06 33.63 13 06 33.29 13 06 33.62
Declination 64 52 33.73 (0.5) 64 52 33.86 64 52 33.73 (0.6) 64 52 33.83 (0.5) 64 52 33.88 64 52 28.92 64 52 33.91
Spectral type DB: DB DB: DB: DB DB
Effective temperature [K] 38546.0 27702.0 21610.0 33735.0 (1897) 34663.0 (2169)
log(g) [cgs] 7.31 7.65 7.36 7.69 (0.3) 7.70 (0.3)
Mass [M] 0.376 0.445 0.332 0.49 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 0.0395
log(H/He) -2.732
log(C/He)
log(Ca/He)
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] 0.46 (0.6) 0.78 (0.8) 0.46 (0.6)
Distance [pc] 2160.17 (2682) 1283.23 (1253) 2160.29 (2682)
Composition He
Proper motion (right ascension) [mas/yr] 10.76019247 (0.7) 10.31936939 (1) 10.76 (0.7)
Proper motion (declination) [mas/yr] -6.332271547 (0.7) -4.906908018 (1) -6.332 (0.7)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.92 (0.04) 19.91 (0.04) 19.89 (0.04) 19.89 19.89 (0.04)
g magnitude 20.07 (0.02) 20.07 (0.02) 20.11 (0.03) 20.11 20.12 (0.03)
r magnitude 20.40 (0.03) 20.40 (0.03) 20.51 (0.03) 20.51 20.51 (0.03)
i magnitude 20.96 (0.07) 20.96 (0.07) 20.94 (0.07) 20.94 20.94 (0.07)
z magnitude 20.61 (0.2) 20.61 (0.2) 21.24 (0.4) 21.24 21.24 (0.4)
G magnitude 20.32 (0.1) 20.39 20.32 (0.008)
BP magnitude 20.27 (0.1) 20.32
RP magnitude 20.34 (0.2) 20.37
Pan g magnitude 20.06 (0.02)
Pan r magnitude 20.52 (0.04)
Pan i magnitude 20.86 (0.03)
Pan z magnitude 20.87 (0.1)
Pan y magnitude
E(B-V) 0.017

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit





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.