SDSS J160512.71+082324.2

All names: SDSS J160512.71+082324.20, SDSS J160512.71+082324.2, GALEX J160512.7+082324, Gaia DR3 4451584897655132288, Gaia DR2 4451584897655132288, Gaia EDR3 4451584897655132288

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
Right ascension 16 05 12.71 (0.9) 16 05 12.71 16 05 12.71 (0.7) 16 05 12.72 (0.9) 16 05 12.71
Declination 08 23 24.09 (0.6) 08 23 24.20 08 23 24.09 (0.6) 08 23 24.17 (0.6) 08 23 24.19
Spectral type DB: DB DB:
Effective temperature [K] 21385.0 15007.0 12125.0 19527.0 (1513)
log(g) [cgs] 7.96 9.07 8.82 7.57 (0.3)
Mass [M] 0.579 1.219 1.102
log(Luminosity) [L]
Cooling age [Gyr] 1.4910
log(H/He) <-4.48
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] 3.15 (1) 3.40 (0.9) 3.15 (1)
Distance [pc] 317.68 (102) 294.42 (79) 317.68 (102)
Composition He
Proper motion (right ascension) [mas/yr] -8.078970614 (1) -9.082862799 (2) -8.079 (1)
Proper motion (declination) [mas/yr] -5.096371814 (0.9) -5.249032961 (1) -5.096 (0.9)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.45 (0.05) 20.48 (0.05) 20.48 (0.05)
g magnitude 20.46 (0.02) 20.46 (0.02) 20.46 (0.02)
r magnitude 20.79 (0.03) 20.79 (0.03) 20.79 (0.03)
i magnitude 21.04 (0.05) 21.03 (0.05) 21.03 (0.05)
z magnitude 20.88 (0.2) 20.91 (0.2) 20.91 (0.2)
G magnitude 20.64 (0.09) 20.71 20.64 (0.009)
BP magnitude 20.48 (0.09) 20.40
RP magnitude 20.37 (0.1) 20.31
Pan g magnitude 20.55 (0.02)
Pan r magnitude 20.78 (0.02)
Pan i magnitude 21.03 (0.04)
Pan z magnitude 21.08 (0.2)
Pan y magnitude
E(B-V) 0.037

* 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.