SDSS J003803.63+164504.4

All names: Gaia DR3 2782417115863764224, SDSS J003803.62+164504.4, Gaia EDR3 2782417115863764224, SDSS J003803.63+164504.4, Gaia DR2 2782417115863764224, SDSS J003803.63+164504.46, J0038+1645

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Coutu et al. 2019 MWDD H Gaia DR2 Stilism Kepler et al. 2016 Simbad Vincent et al. 2023
Right ascension 00 38 03.64 (0.9) 00 38 03.63 00 38 03.61 00 38 03.64 (2) 00 38 03.61 (0.9)
Declination 16 45 04.12 (0.5) 16 45 04.44 16 45 04.90 16 45 04.14 (0.8) 16 45 04.92 (0.5)
Spectral type DZ DZ DZ DZ DZ
Effective temperature [K] 6609.0 (313) 6975.0 8555.0 (132)
log(g) [cgs] 8.54 8.63 8.00 (0)
Mass [M] 0.9251 0.999
log(Luminosity) [L]
Cooling age [Gyr] 4.3000 4.1820
log(H/He) <-3.0477
log(C/He)
log(Ca/He) -10.0577 (0.2) -9.502
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] 5.50 (1) 5.87 5.87 (2) 5.50 (1)
Distance [pc] 181.76 (39) 170.33 (55) 170.33 (55) 181.76 (39)
Composition He He He
Proper motion (right ascension) [mas/yr] 28.62560656 (1) 29.91074538 (3) 28.626 (1)
Proper motion (declination) [mas/yr] -49.84711002 (0.9) -48.43197959 (2) -49.847 (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 21.50 (0.2) 21.45 (0.1) 21.45 (0.1)
g magnitude 20.78 (0.03) 20.78 (0.05) 20.78 (0.03)
r magnitude 20.62 (0.04) 20.61 (0.04) 20.61 (0.04)
i magnitude 20.62 (0.05) 20.61 (0.05) 20.62 (0.05)
z magnitude 20.64 (0.2) 20.60 (0.1) 20.60 (0.1)
G magnitude 20.60 (0.1) 20.70 20.60 (0.008)
BP magnitude 20.71 (0.1) 20.79
RP magnitude 20.36 (0.1) 20.24
Pan g magnitude 20.75 (0.03)
Pan r magnitude 20.52 (0.03)
Pan i magnitude 20.66 (0.03)
Pan z magnitude 20.64 (0.02)
Pan y magnitude
E(B-V) 0.015

* 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.