SDSS J143437.50+362446.0

All names: SDSS J143437.50+362446.0, Gaia DR3 1480464510989829248, Gaia DR2 1480464510989413760, SDSS J143437.50+362446.00, GALEX J143437.4+362445, Gaia EDR3 1480464510989829248

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 MWDD H MWDD HE Gaia DR2 Stilism Kepler et al. 2015 Vincent et al. 2024 Simbad Vincent et al. 2023
Right ascension 14 34 37.42 (0.1) 14 34 37.50 14 34 37.42 (0.1) 14 34 37.42 14 34 37.52 (0.1)
Declination 36 24 46.41 (0.1) 36 24 46.01 36 24 46.39 (0.2) 36 24 46.41 36 24 45.88 (0.1)
Spectral type DC DC DC DC: DC DC:
Effective temperature [K] 7376.0 7101.0 9654.0 (240) 7160.0 (203)
log(g) [cgs] 8.34 8.24 6.93 (0.5) 8.22 (0.05)
Mass [M] 0.812 0.731 0.713 (0.04)
log(Luminosity) [L]
Cooling age [Gyr] 2.6590 2.4450
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 9.34 (0.2) 9.60 (0.2) 9.34 9.34 (0.2)
Distance [pc] 107.03 (2) 104.16 (2) 107.03 107.03 (2)
Composition
Proper motion (right ascension) [mas/yr] -79.33472335 (0.1) -79.69524267 (0.2) -79.335 (0.1)
Proper motion (declination) [mas/yr] 32.89071104 (0.2) 32.61267038 (0.3) 32.891 (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 19.44 (0.03) 19.44 (0.03) 19.44 (0.03)
g magnitude 19.00 (0.009) 19.00 (0.01) 19.00 (0.009)
r magnitude 18.86 (0.01) 18.86 (0.01) 18.86 (0.01)
i magnitude 18.87 (0.01) 18.87 (0.01) 18.87 (0.01)
z magnitude 18.92 (0.04) 18.92 (0.04) 18.92 (0.04)
G magnitude 18.83 (0.02) 18.86 18.83 18.83 (0.003)
BP magnitude 18.99 (0.02) 18.99
RP magnitude 18.64 (0.02) 18.55
Pan g magnitude 19.01 (0.009)
Pan r magnitude 18.84 (0.01)
Pan i magnitude 18.87 (0.006)
Pan z magnitude 18.94 (0.009)
Pan y magnitude 18.98 (0.02)
E(B-V) 0.010

* 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.