SDSS J161134.25+173817.2

All names: SDSS J161134.25+173817.1, SDSS J161134.25+173817.2, Gaia DR2 1199040558491076736, Gaia EDR3 1199040558491076736, Gaia DR3 1199040558491076736, SDSS J161134.25+173817.20

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 16 11 34.26 (0.5) 16 11 34.25 16 11 34.26 (0.8) 16 11 34.25 (0.5) 16 11 34.25
Declination 17 38 17.00 (0.4) 17 38 17.18 17 38 17.01 (0.7) 17 38 17.26 (0.4) 17 38 17.18
Spectral type DB DB DB DB
Effective temperature [K] 17099.0 18849.0 13649.0 17039.0 (380)
log(g) [cgs] 8.20 8.95 8.65 8.14 (0.2)
Mass [M] 0.713 1.166 1.005 0.67 (0.1)
log(Luminosity) [L]
Cooling age [Gyr] 0.7670
log(H/He) <-5.618
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] 2.09 (0.6) 2.86 (1) 2.09 (0.6)
Distance [pc] 478.14 (145) 349.69 (158) 478.15 (145)
Composition He
Proper motion (right ascension) [mas/yr] 5.935953686 (0.6) 4.400489737 (1) 5.936 (0.6)
Proper motion (declination) [mas/yr] -16.2360765 (0.6) -18.96430757 (1) -16.236 (0.6)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.04 (0.04) 20.04 (0.04) 20.07 (0.05)
g magnitude 20.17 (0.02) 20.17 (0.02) 20.12 (0.02)
r magnitude 20.43 (0.03) 20.43 (0.03) 20.40 (0.03)
i magnitude 20.70 (0.05) 20.70 (0.05) 20.70 (0.06)
z magnitude 20.85 (0.2) 20.85 (0.2) 20.95 (0.3)
G magnitude 20.28 (0.07) 20.33 20.28 (0.007)
BP magnitude 20.42 (0.07) 20.41
RP magnitude 20.48 (0.1) 20.49
Pan g magnitude 20.17 (0.02)
Pan r magnitude 20.44 (0.02)
Pan i magnitude 20.67 (0.02)
Pan z magnitude 20.71 (0.06)
Pan y magnitude 20.81 (0.4)
E(B-V) 0.047

* 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.