SDSS J183511.51+405752.1

All names: SDSS J183511.51+405752.1, GALEX J183511.5+405751, Gaia EDR3 2110402279055159424, Gaia DR2 2110402279054350720, SDSS J183511.51+405752.10, SDSS J183511.51+405752.0, Gaia DR3 2110402279055159424

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 18 35 11.54 (0.2) 18 35 11.51 18 35 11.54 (0.2) 18 35 11.50 (0.2) 18 35 11.51
Declination 40 57 52.11 (0.2) 40 57 52.08 40 57 52.10 (0.3) 40 57 52.00 (0.2) 40 57 52.07
Spectral type DB DB DB DB
Effective temperature [K] 18349.0 21437.0 18027.0 18322.0 (211) 18722.0 (320)
log(g) [cgs] 8.01 8.02 7.88 8.02 (0.08) 8.09 (0.09)
Mass [M] 0.601 0.61 0.53 0.643 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 0.0834
log(H/He) <-5.588 <-4.46
log(C/He)
log(Ca/He) <-5.05
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 1.84 (0.2) 1.81 (0.3) 1.84 (0.2)
Distance [pc] 544.66 (73) 552.37 (98) 489.00 544.66 (73)
Composition He
Proper motion (right ascension) [mas/yr] 25.4762465 (0.2) 24.75746031 (0.6) 25.476 (0.2)
Proper motion (declination) [mas/yr] 6.424921587 (0.3) 5.907832842 (0.7) 6.425 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.19 (0.03) 19.19 (0.03) 19.22 (0.03)
g magnitude 19.21 (0.01) 19.21 (0.01) 19.23 (0.02)
r magnitude 19.54 (0.02) 19.54 (0.01) 19.58 (0.03)
i magnitude 19.86 (0.03) 19.86 (0.03) 19.97 (0.04)
z magnitude 20.24 (0.1) 20.24 (0.1) 20.18 (0.1)
G magnitude 19.40 (0.03) 19.44 19.40 (0.004)
BP magnitude 19.28 (0.03) 19.14
RP magnitude 19.59 (0.06) 19.47
Pan g magnitude 19.26 (0.008)
Pan r magnitude 19.56 (0.008)
Pan i magnitude 19.86 (0.01)
Pan z magnitude 20.09 (0.03)
Pan y magnitude 20.00 (0.2)
E(B-V) 0.031

* 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.