SDSS J161152.89+421400.3

All names: SDSS J161152.90+421400.30, Gaia DR2 1381878926892982784, SDSS J161152.90+421400.3, GALEX J161152.8+421359, Gaia EDR3 1381878926892982784, WD 1610+423, Gaia DR3 1381878926892982784, SDSS J161152.89+421400.3

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 16 11 52.89 (0.1) 16 11 52.89 16 11 52.89 (0.2) 16 11 52.89 16 11 52.89 (0.1) 16 11 52.90 16 11 52.73 16 11 52.90
Declination 42 14 00.27 (0.2) 42 14 00.39 42 14 00.27 (0.2) 42 14 00.27 42 14 00.34 (0.2) 42 14 00.33 42 13 57.36 42 14 00.33
Spectral type DB DB DB DB DB DB DB
Effective temperature [K] 16416.0 15084.0 14139.0 14314.0 (955) 17102.0 (244) 16573.0 (256)
log(g) [cgs] 8.17 8.09 8.00 7.86 (0.1) 8.23 (0.1) 8.24 (0.2)
Mass [M] 0.693 0.642 0.59 0.51 (0.08) 0.732 (0.09)
log(Luminosity) [L]
Cooling age [Gyr] 0.2399
log(H/He) -5.691
log(C/He)
log(Ca/He)
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] 2.77 (0.2) 3.02 (0.2) 2.77 2.77 (0.2)
Distance [pc] 360.97 (21) 330.64 (24) 360.97 360.97 (21)
Composition He
Proper motion (right ascension) [mas/yr] 1.337755238 (0.2) 1.299908423 (0.4) 1.338 (0.2) 2.2
Proper motion (declination) [mas/yr] -4.47074526 (0.2) -4.4206618 (0.5) -4.471 (0.2) -4.9
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.81 (0.02) 18.81 (0.02) 18.83 (0.03) 18.82 18.82 (0.03)
g magnitude 18.86 (0.009) 18.86 (0.009) 18.87 (0.02) 18.86 18.86 (0.02)
r magnitude 19.13 (0.01) 19.13 (0.01) 19.15 (0.02) 19.15 19.13 (0.02)
i magnitude 19.43 (0.02) 19.43 (0.02) 19.44 (0.03) 19.44 19.43 (0.02)
z magnitude 19.65 (0.08) 19.65 (0.08) 19.65 (0.08) 19.66 19.66 (0.08)
G magnitude 18.99 (0.02) 19.04 18.99 18.99 (0.004)
BP magnitude 19.01 (0.02) 18.90
RP magnitude 19.09 (0.04) 19.17
Pan g magnitude 18.90 (0.03)
Pan r magnitude 19.17 (0.01)
Pan i magnitude 19.41 (0.01)
Pan z magnitude 19.61 (0.02)
Pan y magnitude 19.76 (0.04)
E(B-V) 0.018

* 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.