SDSS J014834.00-011235.9

All names: Gaia DR2 2506055761575043456, Gaia EDR3 2506055761575043456, SDSS J014834.00-011235.9, Gaia DR3 2506055761575043456, J0148-0112, SDSS J014834.00-011235.93

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Blouin 2020 Coutu et al. 2019 MWDD H Gaia DR2 Hollands et al. 2017 Stilism Kepler et al. 2015 Simbad Vincent et al. 2023
Right ascension 01 48 34.01 (1) 01 48 34.00 01 48 34.00 01 48 34.01 (2) 01 48 34.00 (1)
Declination -01 12 35.87 (0.6) -01 12 35.91 -01 12 35.89 -01 12 35.87 (0.9) -01 12 35.75 (0.6)
Spectral type DZ DZ DZ DZ DZ DZ DZ
Effective temperature [K] 6760.0 (204) 6791.0 (166) 7398.0 6830.0 (210) 7415.0 (103)
log(g) [cgs] 8.00 7.69 7.92 8.00 (0)
Mass [M] 0.4088 0.547
log(Luminosity) [L]
Cooling age [Gyr] 1.1500 1.1810 2.1000
log(H/He) <-3.9365
log(C/He)
log(Ca/He) -9.0 (0.2) -9.0446 (0.2) -8.82 -8.476 (0.09)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He) -7.3 (0.3) -7.56
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) -7.9 (0.5) -7.31
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 1.26 (1) 3.20 3.20 (2) 1.26 (1)
Distance [pc] 791.76 (840) 312.52 (178) 312.52 (178) 266.00 (36) 791.77 (840)
Composition He He He He He
Proper motion (right ascension) [mas/yr] 9.12119681 (1) 9.268098169 (3) 9.121 (1)
Proper motion (declination) [mas/yr] -7.741024361 (0.8) -6.002601867 (2) -7.741 (0.8)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.81 (0.1) 21.81 (0.1) 21.81 (0.1) 21.81 (0.1) 21.81 (0.1)
g magnitude 20.75 (0.03) 20.75 (0.03) 20.75 (0.03) 20.75 (0.03) 20.75 (0.03)
r magnitude 20.60 (0.03) 20.61 (0.03) 20.61 (0.03) 20.61 (0.03) 20.61 (0.03)
i magnitude 20.62 (0.04) 20.64 (0.04) 20.64 (0.04) 20.64 (0.04) 20.64 (0.04)
z magnitude 20.71 (0.1) 20.68 (0.1) 20.68 (0.1) 20.68 (0.1) 20.68 (0.1)
G magnitude 20.61 (0.2) 20.71 20.61 (0.01)
BP magnitude 20.59 (0.2) 20.73
RP magnitude 20.36 (0.1) 19.97
Pan g magnitude 20.71 (0.02)
Pan r magnitude 20.58 (0.03)
Pan i magnitude 20.63 (0.02)
Pan z magnitude 20.62 (0.2)
Pan y magnitude
E(B-V) 0.026

* 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.