SDSS J142825.07+051031.7

All names: USNO-B1.0 0951-00230373, GALEX J142825.1+051031, SDSS J142825.07+051031.7, Gaia DR2 3669157747422997376, Gaia DR3 3669157747422997376, LAMOST J142825.07+051031.1, SDSS J142825.08+051031.10, SDSS J142825.07+051031.6, USNO-A2.0 0900-07689845, Gaia EDR3 3669157747422997376, SDSS J142825.08+051031.1

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 14 28 25.07 (0.09) 14 28 25.07 14 28 25.07 (0.1) 14 28 25.07 14 28 25.07 (0.09)
Declination 05 10 30.79 (0.08) 05 10 31.68 05 10 30.82 (0.1) 05 10 30.79 05 10 31.72 (0.08)
Spectral type DBA DBA DB DBA DB
Effective temperature [K] 17555.0 16401.0 16563.0 17694.0 (66) 17700.0 (65) 16482.0 (836)
log(g) [cgs] 8.17 7.92 7.97 8.10 (0.03) 8.02 (0.03) 7.94 (0.06)
Mass [M] 0.694 0.55 0.573 0.61 (0.02) 0.559 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 0.1344
log(H/He) -4.985 -4.81 (0.2)
log(C/He)
log(Ca/He) <-6.03
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] 5.33 (0.1) 5.32 (0.1) 5.33 5.33 (0.1)
Distance [pc] 187.75 (3) 187.83 (4) 175.00 187.75 187.75 (3)
Composition He
Proper motion (right ascension) [mas/yr] -0.059267812 (0.1) -0.625437676 (0.3) -0.059 (0.1)
Proper motion (declination) [mas/yr] -58.38717153 (0.09) -58.52040789 (0.3) -58.387 (0.09)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.50
V magnitude
R magnitude 17.70
I magnitude
J magnitude 17.80 (0.04)
H magnitude 17.82 (0.08)
K magnitude 17.90 (0.2)
u magnitude 17.09 (0.008) 17.09 (0.01) 17.09 (0.008)
g magnitude 17.16 (0.005) 17.16 (0) 17.16 (0.005)
r magnitude 17.50 (0.005) 17.50 (0.01) 17.50 (0.005)
i magnitude 17.72 (0.007) 17.72 (0.01) 17.72 (0.007)
z magnitude 17.95 (0.02) 17.95 (0.02) 17.95 (0.02)
G magnitude 17.35 (0.01) 17.39 17.35 17.35 (0.003)
BP magnitude 17.27 (0.01) 17.19
RP magnitude 17.45 (0.01) 17.45
Pan g magnitude 17.24 (0.006)
Pan r magnitude 17.52 (0.002)
Pan i magnitude 17.79 (0.003)
Pan z magnitude 18.03 (0.008)
Pan y magnitude 18.21 (0.01)
E(B-V) 0.022

* 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.