SDSS J161927.55+165145.0

All names: SDSS J161927.55+165145.0, SDSS J161927.55+165144.9, Gaia DR3 4466814881747732480, GALEX J161927.5+165144, SDSS J161927.56+165145.00, Gaia DR2 4466814881747732480, Gaia EDR3 4466814881747732480, SDSS J161927.56+165145.0

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 Vincent et al. 2024 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 16 19 27.55 (0.08) 16 19 27.55 16 19 27.55 (0.1) 16 19 27.55 16 19 27.56 (0.08) 16 19 27.56
Declination 16 51 44.82 (0.06) 16 51 45.05 16 51 44.83 (0.07) 16 51 44.82 16 51 45.09 (0.06) 16 51 45.03
Spectral type DB DB DB DBH: DB
Effective temperature [K] 14301.0 14121.0 12855.0 14778.0 (36) 13761.0 (320) 14960.0 (67)
log(g) [cgs] 7.86 8.07 7.96 8.00 (0) 8.00 (0.04) 8.38 (0.04)
Mass [M] 0.51 0.632 0.56 0.587 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.2953
log(H/He) -6.083 <-5.86
log(C/He)
log(Ca/He) <-8.21
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] 5.02 (0.1) 5.13 (0.1) 5.02 5.02 (0.1)
Distance [pc] 199.38 (5) 194.97 (6) 210.00 199.38 199.38 (5)
Composition He
Proper motion (right ascension) [mas/yr] -14.11940997 (0.1) -14.17330365 (0.2) -14.119 (0.1)
Proper motion (declination) [mas/yr] -16.72850836 (0.09) -16.85896 (0.2) -16.729 (0.09)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.80 (0.01) 17.80 (0.01) 17.82 (0.02)
g magnitude 17.87 (0.006) 17.87 (0.006) 17.91 (0.02)
r magnitude 18.14 (0.007) 18.14 (0.007) 18.17 (0.02)
i magnitude 18.37 (0.01) 18.37 (0.01) 18.36 (0.01)
z magnitude 18.58 (0.03) 18.58 (0.03) 18.54 (0.04)
G magnitude 18.00 (0.009) 18.03 18.00 18.00 (0.003)
BP magnitude 17.97 (0.009) 17.92
RP magnitude 18.06 (0.01) 18.05
Pan g magnitude 17.95 (0.005)
Pan r magnitude 18.14 (0.01)
Pan i magnitude 18.38 (0.005)
Pan z magnitude 18.57 (0.01)
Pan y magnitude 18.69 (0.05)
E(B-V) 0.038

* 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.