SDSS J140716.67+495613.7

All names: GALEX J140716.6+495613, SBSS 1405+501, SDSS J140716.69+495613.4, Gaia DR2 1511388820980497152, SDSS J140716.66+495613.7, WD 1405+501, Gaia EDR3 1511388820980497152, Gaia DR3 1511388820980497152, SDSS J140716.67+495613.7

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Hardy et al. 2023a MWDD H Gaia DR2 Stilism Ferrario et al. 2015 Kulebi et al. 2009 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 14 07 16.68 (0.2) 14 07 16.66 14 07 16.68 (0.2) 14 07 16.66 14 07 16.68 14 07 16.66 (0.2) 14 07 15.98 14 07 16.67
Declination 49 56 13.49 (0.2) 49 56 13.77 49 56 13.50 (0.2) 49 56 13.70 49 56 13.49 49 56 13.78 (0.2) 49 56 10.32 49 56 13.70
Spectral type DAH DA DA DAH DA: DAH DAH2.5 DAH DAH
Effective temperature [K] 21371.8 (585) 18759.0 20000.0 20985.0 (2079) 27376.0 (610)
log(g) [cgs] 8.70 (0.8) 8.62 8.00 (0) 8.71 (0.1) 10.00 (0.009)
Mass [M] 1.054918817273365 (0.8) 1.005 1.058 (0.07)
log(Luminosity) [L]
Cooling age [Gyr] 0.2945
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] 3.42 (0.2) 3.39 (0.3) 3.42 3.42 (0.2)
Distance [pc] 292.48 (20) 294.58 (28) 292.48 292.48 (20)
Composition H H
Proper motion (right ascension) [mas/yr] 11.33192627 (0.2) 10.80234283 (0.4) 11.332 (0.2)
Proper motion (declination) [mas/yr] -18.256279 (0.2) -18.09563481 (0.4) -18.256 (0.2)
Variability
Magnetic yes yes yes yes
Bd [MG] 12.675897679060572 12.49 (6) 12.49 (6)
Infrared excess (disk)
Binarity
B magnitude 19.00
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.07 (0.02) 19.07 (0.02) 19.03 19.06 (0.03)
g magnitude 19.12 (0.01) 19.12 (0.01) 19.13 19.14 (0.04)
r magnitude 19.45 (0.01) 19.45 (0.01) 19.43 19.43 (0.02)
i magnitude 19.74 (0.02) 19.74 (0.02) 19.75 19.75 (0.02)
z magnitude 20.00 (0.08) 20.00 (0.08) 19.97 19.95 (0.07)
G magnitude 19.28 (0.02) 19.33 19.28 19.28 (0.004)
BP magnitude 19.21 (0.02) 19.21
RP magnitude 19.42 (0.05) 19.47
Pan g magnitude 19.13 (0.01)
Pan r magnitude 19.44 (0.01)
Pan i magnitude 19.73 (0.01)
Pan z magnitude 20.02 (0.02)
Pan y magnitude 20.08 (0.2)
E(B-V) 0.019

* 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.