SDSS J165103.57+290820.6

All names: SDSS J165103.57+290820.67, SDSS J165103.57+290820.6, GALEX J165103.5+290820, SDSS J165103.56+290821.5, Gaia DR2 1308230442608459648, SDSS J165103.57+290820.7, Gaia EDR3 1308230442608459648, Gaia DR3 1308230442608459648

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Kepler et al. 2015 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 16 51 03.56 (0.07) 16 51 03.57 16 51 03.56 (0.09) 16 51 03.56 16 51 03.57 (0.07)
Declination 29 08 20.10 (0.08) 29 08 21.50 29 08 20.15 (0.1) 29 08 20.10 29 08 21.81 (0.08)
Spectral type DBA DBA DB DBA DB
Effective temperature [K] 12908.0 12598.0 12205.0 12601.0 (71) 12845.0 (67) 11441.0 (274)
log(g) [cgs] 8.12 7.99 7.97 8.00 (0) 8.00 (0) 7.90 (0.04)
Mass [M] 0.66 0.577 0.567 0.528 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 0.3495
log(H/He) -5.896 <-5.85
log(C/He)
log(Ca/He) <-9.64
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] 5.32 (0.1) 5.16 (0.1) 5.32 5.32 (0.1)
Distance [pc] 188.05 (4) 193.65 (5) 188.00 188.05 188.05 (4)
Composition He
Proper motion (right ascension) [mas/yr] -3.238766987 (0.09) -3.206739131 (0.2) -3.239 (0.09)
Proper motion (declination) [mas/yr] -106.9164728 (0.1) -106.3833312 (0.3) -106.916 (0.1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.04 (0.01) 18.04 (0.01) 18.04 (0.01)
g magnitude 18.03 (0.006) 18.03 (0.01) 18.03 (0.006)
r magnitude 18.25 (0.007) 18.25 (0.01) 18.25 (0.007)
i magnitude 18.43 (0.01) 18.43 (0.01) 18.43 (0.01)
z magnitude 18.69 (0.04) 18.69 (0.04) 18.69 (0.04)
G magnitude 18.13 (0.01) 18.17 18.13 18.13 (0.003)
BP magnitude 18.15 (0.01) 18.09
RP magnitude 18.16 (0.02) 18.14
Pan g magnitude 18.09 (0.004)
Pan r magnitude 18.27 (0.006)
Pan i magnitude 18.48 (0.007)
Pan z magnitude 18.67 (0.02)
Pan y magnitude 18.81 (0.02)
E(B-V) 0.019

* 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.