SDSS J142842.83+600300.6

All names: Gaia DR3 1618220188233211008, GALEX J142842.7+600300, Gaia DR2 1618220188233211008, SDSS J142842.83+600300.6, SDSS J142842.83+600300.63, SDSS J142842.77+600301.2, Gaia EDR3 1618220188233211008

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Genest-Beaulieu & Bergeron 2019 (spectroscopic) Genest-Beaulieu & Bergeron 2019 (photometric) MWDD HE Gaia DR2 Stilism Kepler et al. 2016 Koester & Kepler 2015 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 14 28 42.83 (0.1) 14 28 42.78 14 28 42.83 (0.2) 14 28 42.83 14 28 42.77 (0.1)
Declination 60 03 00.41 (0.1) 60 03 01.26 60 03 00.43 (0.1) 60 03 00.41 60 03 01.22 (0.1)
Spectral type DB: DB: DB DB DB
Effective temperature [K] 14207.0 14527.0 13664.0 14719.0 (152) 14342.0 (98) 13875.0 (793)
log(g) [cgs] 8.06 8.05 7.98 8.28 (0.1) 8.00 (0) 7.95 (0.08)
Mass [M] 0.621 0.618 0.578 0.752 (0.07) 0.557 (0.07)
log(Luminosity) [L]
Cooling age [Gyr] 0.2578
log(H/He) <-6.173 <-5.45
log(C/He)
log(Ca/He) <-7.99
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] 3.45 (0.1) 3.55 (0.2) 3.45 3.45 (0.1)
Distance [pc] 289.84 (12) 281.56 (14) 282.00 289.84 289.84 (12)
Composition He
Proper motion (right ascension) [mas/yr] 26.79061016 (0.2) 26.21510233 (0.3) 26.791 (0.2)
Proper motion (declination) [mas/yr] -50.76940401 (0.2) -50.3986216 (0.3) -50.769 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.55 (0.01) 18.50 (0.03) 18.54 (0.01)
g magnitude 18.57 (0.007) 18.60 (0.02) 18.58 (0.007)
r magnitude 18.84 (0.01) 18.83 (0.01) 18.84 (0.01)
i magnitude 19.07 (0.01) 19.06 (0.02) 19.07 (0.01)
z magnitude 19.37 (0.05) 19.36 (0.05) 19.37 (0.05)
G magnitude 18.69 (0.02) 18.73 18.69 18.69 (0.003)
BP magnitude 18.69 (0.02) 18.64
RP magnitude 18.79 (0.03) 18.76
Pan g magnitude 18.62 (0.009)
Pan r magnitude 18.86 (0.009)
Pan i magnitude 19.09 (0.005)
Pan z magnitude 19.30 (0.01)
Pan y magnitude 19.46 (0.05)
E(B-V) 0.018

* 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.