SDSS J162957.75+154011.6

All names: SDSS J162957.75+154011.6, Gaia DR3 4465459527509439232, SDSS J162957.74+154011.5, Gaia EDR3 4465459527509439232, SDSS J162957.75+154011.60, GALEX J162957.7+154011, Gaia DR2 4465459527509439232

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 29 57.74 (0.3) 16 29 57.75 16 29 57.74 (0.4) 16 29 57.75 (0.3) 16 29 57.75
Declination 15 40 11.58 (0.3) 15 40 11.59 15 40 11.58 (0.3) 15 40 11.67 (0.3) 15 40 11.64
Spectral type DBAH: DBAH DBAH: DB
Effective temperature [K] 14706.0 15610.0 14295.0 15076.0 (374)
log(g) [cgs] 7.72 8.37 8.36 7.60 (0.3)
Mass [M] 0.441 0.825 0.813
log(Luminosity) [L]
Cooling age [Gyr] 0.4160
log(H/He) <-6.014
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] 2.63 (0.5) 2.27 (0.6) 2.63 (0.5)
Distance [pc] 379.96 (72) 440.12 (120) 379.95 (72)
Composition He
Proper motion (right ascension) [mas/yr] -6.668364664 (0.4) -6.48973438 (0.8) -6.668 (0.4)
Proper motion (declination) [mas/yr] -6.118585033 (0.4) -5.10732237 (0.7) -6.119 (0.4)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.95 (0.04) 19.95 (0.04) 19.95 (0.06)
g magnitude 19.99 (0.02) 19.99 (0.02) 20.01 (0.02)
r magnitude 20.25 (0.03) 20.25 (0.03) 20.32 (0.03)
i magnitude 20.44 (0.05) 20.44 (0.05) 20.61 (0.05)
z magnitude 20.61 (0.2) 20.61 (0.2) 20.97 (0.2)
G magnitude 20.15 (0.05) 20.20 20.15 (0.005)
BP magnitude 20.19 (0.05) 20.07
RP magnitude 20.09 (0.09) 20.21
Pan g magnitude 20.04 (0.01)
Pan r magnitude 20.30 (0.02)
Pan i magnitude 20.55 (0.02)
Pan z magnitude 20.75 (0.07)
Pan y magnitude 20.01 (0.2)
E(B-V) 0.052

* 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.