SDSS J132002.48+131901.6

All names: WD 1317+135, SDSS J132002.48+131901.5, GALEX J132002.5+131901, SDSS J132002.48+131901.6, SDSS J132002.47+131901.5, SDSS J132002.46+131901.5, Gaia DR2 3742730021807170944, Gaia DR3 3742730021807170944, Gaia EDR3 3742730021807170944

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Hardy et al. 2023a Gaia DR2 Stilism Ferrario et al. 2015 Kulebi et al. 2009 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 13 20 02.45 (0.3) 13 20 02.46 13 20 02.45 (0.4) 13 20 02.48 13 20 02.49 (0.3) 13 20 02.48 13 20 02.38 13 20 02.48
Declination 13 19 01.47 (0.2) 13 19 01.58 13 19 01.47 (0.3) 13 19 01.60 13 19 01.50 (0.2) 13 19 01.57 13 18 58.68 13 19 01.57
Spectral type DA DA DAH DA+M DA_auto DA DAHM: DA
Effective temperature [K] 15451.5 (276) 14750.0 15310.0 (465) 15204.0 (449)
log(g) [cgs] 7.13 (0.2) 8.00 (0) 7.86 (0.1) 7.87 (0.1)
Mass [M] 0.2725029049476851 (0.1)
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 1.49 (0.4) 1.21 (0.5) 1.49 (0.4)
Distance [pc] 669.30 (176) 825.35 (307) 669.30 (176)
Composition H
Proper motion (right ascension) [mas/yr] -35.84270104 (0.5) -35.73 (1) -35.843 (0.5)
Proper motion (declination) [mas/yr] -1.907072787 (0.4) -1.15 (0.6) -1.907 (0.4)
Variability
Magnetic yes yes
Bd [MG] 2.02 2.02 (0)
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.80 (0.04) 19.80 (0.04) 19.84 (0.04) 19.84 19.84 (0.04)
g magnitude 19.50 (0.01) 19.50 (0.01) 19.48 (0.03) 19.48 19.50 (0.03)
r magnitude 19.77 (0.02) 19.77 (0.02) 19.82 (0.03) 19.82 19.83 (0.03)
i magnitude 19.98 (0.03) 19.98 (0.03) 20.07 (0.04) 20.07 20.08 (0.04)
z magnitude 20.14 (0.1) 20.14 (0.1) 20.19 (0.1) 20.18 20.18 (0.1)
G magnitude 19.65 (0.04) 19.70 19.65 (0.005)
BP magnitude 19.68 (0.04) 19.70
RP magnitude 19.53 (0.08) 19.61
Pan g magnitude 19.51 (0.008)
Pan r magnitude 19.78 (0.01)
Pan i magnitude 20.05 (0.02)
Pan z magnitude 20.26 (0.02)
Pan y magnitude 20.14 (0.05)
E(B-V) 0.026

* 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.