SDSS J110700.55-164721.2

All names: Gaia DR3 3559359760358795904, GALEX J110700.6-164720, Gaia EDR3 3559359760358795904, SDSS J110700.55-164721.2, Gaia DR2 3559359760358795904, SDSS J110700.55-164721.20

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 11 07 00.55 (0.4) 11 07 00.55 11 07 00.55 (0.6) 11 07 00.56 (0.4) 11 07 00.55
Declination -16 47 21.20 (0.4) -16 47 21.26 -16 47 21.20 (0.5) -16 47 21.26 (0.4) -16 47 21.20
Spectral type DB DB DB DB+MS
Effective temperature [K] 18858.0 21071.0 22163.0 18746.0 (232) 18848.0 (395)
log(g) [cgs] 8.37 8.57 8.68 7.98 (0.1) 8.17 (0.1)
Mass [M] 0.829 0.956 1.024 0.692 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 0.2096
log(H/He) <-5.298 <-4.15
log(C/He)
log(Ca/He) <-4.83
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] 2.35 (0.4) 2.50 (0.7) 2.35 (0.4)
Distance [pc] 426.28 (79) 399.69 (119) 567.00 426.28 (79)
Composition He
Proper motion (right ascension) [mas/yr] -8.689872591 (0.5) -9.745551861 (1) -8.69 (0.5)
Proper motion (declination) [mas/yr] 4.011664595 (0.4) 5.068125261 (0.9) 4.012 (0.4)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity WDMS
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.36 (0.04) 19.36 (0.04) 19.44 (0.04)
g magnitude 19.44 (0.01) 19.44 (0.01) 19.46 (0.02)
r magnitude 19.73 (0.02) 19.73 (0.02) 19.75 (0.02)
i magnitude 20.04 (0.04) 20.04 (0.04) 20.10 (0.04)
z magnitude 20.66 (0.3) 20.66 (0.3) 20.26 (0.2)
G magnitude 19.61 (0.05) 19.67 19.61 (0.005)
BP magnitude 19.59 (0.05) 19.55
RP magnitude 19.75 (0.1) 19.74
Pan g magnitude 19.50 (0.02)
Pan r magnitude 19.80 (0.02)
Pan i magnitude 20.07 (0.02)
Pan z magnitude 20.29 (0.03)
Pan y magnitude
E(B-V) 0.032

* 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.