WD 0340+103

All names: SDSS J034314.34+102938.3, 1RXS J034314.1+102941, TIC 471013547, LAMOST J034314.35+102938.3, WD 0340+103, SDSS J034314.35+102938.4, GALEX J034314.3+102938, [WXD99] J034314.26+102939.3, SDSS J034314.35+102938.3, MUTA 125, RX J0343.2+1029, GALEX J034314.3+102939, Gaia DR2 36321786805002880, [ZEH2003] RX J0343.2+1029 2, PN G176.7-33.8, Gaia EDR3 36321786805002880, RBS 466, Gaia DR3 36321786805002880

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Bedard et al. 2020 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 03 43 14.37 (0.06) 03 43 14.35 03 43 14.37 (0.09) 03 43 14.37 03 43 14.34 (0.06) 03 43 14.35
Declination 10 29 38.13 (0.04) 10 29 38.35 10 29 38.15 (0.06) 10 29 38.13 10 29 38.50 (0.04) 10 29 38.37
Spectral type DA DAH DA DAH DAH DA
Effective temperature [K] 83219.0 (1736) 24493.0 32097.0 (969) 94382.0 (2121)
log(g) [cgs] 8.83 (0.07) 8.20 8.51 (0.03) 8.78 (0.06)
Mass [M] 1.16 (0.03) 0.748 0.952 (0.02)
log(Luminosity) [L] 0.31 (0.07)
Cooling age [Gyr] 0.0003 (0.0001) 0.0455
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] 6.89 (0.07) 6.83 (0.1) 6.89 6.89 (0.07)
Distance [pc] 145.21 (1) 146.33 (2) 145.21 145.21 (1)
Composition H H
Proper motion (right ascension) [mas/yr] 31.83052656 (0.07) 31.51189357 (0.2) 31.831 (0.07)
Proper motion (declination) [mas/yr] -22.60279595 (0.05) -22.54865662 (0.1) -22.603 (0.05)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 15.96 (0.006) 15.96 (0.006) 15.97 (0.03)
g magnitude 16.30 (0.004) 16.30 (0.004) 16.33 (0.02)
r magnitude 16.74 (0.005) 16.74 (0.005) 16.75 (0.01)
i magnitude 17.06 (0.005) 17.06 (0.005) 17.07 (0.02)
z magnitude 17.33 (0.01) 17.33 (0.01) 17.34 (0.02)
G magnitude 16.52 (0.003) 16.54 16.52 16.52 (0.003)
BP magnitude 16.38 (0.003) 16.31
RP magnitude 16.78 (0.005) 16.77
Pan g magnitude 16.35 (0.002)
Pan r magnitude 16.75 (0.004)
Pan i magnitude 17.11 (0.002)
Pan z magnitude 17.37 (0.005)
Pan y magnitude 17.55 (0.01)
E(B-V) 0.061

* 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.