WD 1040+520

All names: SDSS J104350.84+514508.6, USNO-B1.0 1417-00230820, WD 1040+520, SDSS J104350.85+514508.6, SDSS J104350.84+514508.69, GALEX J104350.8+514508, Gaia DR3 837038411017250944, Gaia EDR3 837038411017250944, SBSS 1040+520, Gaia DR2 837038411017250944

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Kepler et al. 2016 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999) Vincent et al. 2023
Right ascension 10 43 50.87 (0.06) 10 43 50.85 10 43 50.87 (0.06) 10 43 50.87 10 43 50.85 (0.06) 10 43 50.06
Declination 51 45 08.71 (0.09) 51 45 08.69 51 45 08.71 (0.1) 51 45 08.71 51 45 08.71 (0.09) 51 45 09.00
Spectral type DA DA DA DA DA DA
Effective temperature [K] 18773.0 19926.0 (103) 20129.0 (770)
log(g) [cgs] 8.22 8.20 (0.02) 8.23 (0.04)
Mass [M] 0.751 0.727 (0.01) 0.763 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 0.1408
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] 4.45 (0.1) 4.60 (0.2) 4.45 4.45 (0.1)
Distance [pc] 224.60 (6) 217.20 (8) 224.60 224.59 (6)
Composition H
Proper motion (right ascension) [mas/yr] 7.841372529 (0.08) 7.867676039 (0.2) 7.841 (0.08)
Proper motion (declination) [mas/yr] -0.262257504 (0.1) -0.420182041 (0.3) -0.262 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.00
V magnitude
R magnitude 17.30
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.79 (0.01) 17.82 (0.03) 17.79 (0.01)
g magnitude 17.69 (0.005) 17.70 (0.02) 17.69 (0.005)
r magnitude 18.09 (0.007) 18.09 (0.02) 18.09 (0.007)
i magnitude 18.39 (0.01) 18.40 (0.02) 18.39 (0.01)
z magnitude 18.71 (0.04) 18.70 (0.04) 18.70 (0.04)
G magnitude 17.92 (0.008) 17.94 17.92 17.92 (0.003)
BP magnitude 17.83 (0.008) 17.81
RP magnitude 18.09 (0.02) 18.06
Pan g magnitude 17.77 (0.009)
Pan r magnitude 18.09 (0.006)
Pan i magnitude 18.42 (0.006)
Pan z magnitude 18.68 (0.02)
Pan y magnitude 18.82 (0.02)
E(B-V) 0.016

* 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.