SDSS J080359.93+122943.9

All names: WDJ080359.94+122944.10, SDSS J080359.94+122943.9, LAMOST J080400.06+122943.5, WD 0801+126, Gaia EDR3 653051877600013312, SDSS J080359.94+122944.0, SDSS J080359.93+122944.0, SDSS J080359.93+122943.9, Gaia DR2 653051877600013312, Gaia DR3 653051877600013312, J0803+1229

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 Jewett et al. 2024 Hardy et al. 2023a Kilic et al. 2020 MWDD H Gaia DR2 Stilism Ferrario et al. 2015 Kulebi et al. 2009 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 08 03 59.95 (0.08) 08 03 59.94 08 03 59.95 (0.1) 08 03 59.93 08 03 59.95 08 03 59.94 (0.08) 08 03 59.95 08 03 59.54 08 03 59.94
Declination 12 29 43.86 (0.06) 12 29 44.00 12 29 43.86 (0.06) 12 29 44.02 12 29 43.86 12 29 44.10 (0.06) 12 29 43.86 12 29 40.92 12 29 44.02
Spectral type DAH DAH DAH DAH DA DA DAH DQ DAH MWD DAH5.6 DAH DAH
Effective temperature [K] 19168.0 (332) 19168.0 (332) 20440.9 (505) 19164.0 (331) 17621.0 9000.0 14124.0 (392) 12347.0 (109)
log(g) [cgs] 8.91 (0.01) 8.91 8.93 (0.008) 8.92 (0.01) 8.86 8.00 (0) 8.72 (0.03) 9.99 (0.02)
Mass [M] 1.162 (0.008) 1.162 (0.008) 1.1717057985104886 (0.008) 1.166 (0.008) 1.135 1.042 (0.02)
log(Luminosity) [L]
Cooling age [Gyr] 0.5000 (0.03) 0.5448
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] 10.32 (0.09) 10.40 (0.1) 10.32 10.32 (0.09) 10.40 (0.1)
Distance [pc] 96.91 (0.8) 96.15 (1) 96.91 96.91 (0.8) 96.15 (1)
Composition H H H H
Proper motion (right ascension) [mas/yr] 9.645467582 (0.1) 9.573998379 (0.2) 9.645 (0.1) 9.574
Proper motion (declination) [mas/yr] -14.93607415 (0.06) -14.87062772 (0.1) -14.936 (0.06) -14.871
Variability
Magnetic yes yes yes yes
Bd [MG] 37.43321820964515 40.7 (2) 40.7 (2)
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.23 (0.008) 17.23 (0.008) 17.23 (0.008) 17.24 17.25 (0.02)
g magnitude 17.23 (0.005) 17.23 (0.005) 17.23 (0.005) 17.23 17.27 (0.01)
r magnitude 17.53 (0.006) 17.53 (0.006) 17.53 (0.006) 17.53 17.54 (0.01)
i magnitude 17.83 (0.007) 17.83 (0.007) 17.83 (0.007) 17.83 17.82 (0.02)
z magnitude 18.08 (0.02) 18.08 (0.02) 18.08 (0.02) 18.08 18.08 (0.03)
G magnitude 17.39 (0.007) 17.42 17.39 17.39 (0.003) 17.42
BP magnitude 17.34 (0.007) 17.30 17.30
RP magnitude 17.55 (0.01) 17.53 17.53
Pan g magnitude 17.27 (0.004)
Pan r magnitude 17.57 (0.003)
Pan i magnitude 17.88 (0.005)
Pan z magnitude 18.09 (0.007)
Pan y magnitude 18.28 (0.02)
E(B-V) 0.003

* 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.