SDSS J145348.45+491821.2

All names: Gaia DR2 1590875097828027648, SDSS J145348.45+491821.29, Gaia DR3 1590875097828027648, SDSS J145348.45+491821.2, Gaia EDR3 1590875097828027648

Parameter Unit Gaia EDR3 SDSS DR12 MWDD H MWDD HE Gaia DR2 Stilism Kepler et al. 2016 Simbad Vincent et al. 2023
Right ascension 14 53 48.44 (0.5) 14 53 48.45 14 53 48.44 (0.8) 14 53 48.47 (0.5)
Declination 49 18 21.04 (0.6) 49 18 21.29 49 18 21.05 (0.8) 49 18 21.36 (0.6)
Spectral type sdA: sdA: sdA: sdA DA
Effective temperature [K] 10333.0 9781.0 7556.0 (297)
log(g) [cgs] 8.76 8.64 6.00 (1)
Mass [M] 1.077 0.994
log(Luminosity) [L]
Cooling age [Gyr] 2.0700 2.0030
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 3.68 (0.7) 3.42 (0.9) 3.68 (0.7)
Distance [pc] 271.79 (49) 292.36 (78) 271.79 (49)
Composition
Proper motion (right ascension) [mas/yr] -19.06513816 (0.7) -18.81347684 (1) -19.065 (0.7)
Proper motion (declination) [mas/yr] -19.87195049 (0.9) -19.08426548 (2) -19.872 (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 21.40 (0.1) 21.44 (0.1) 21.44 (0.1)
g magnitude 20.72 (0.03) 20.77 (0.04) 20.77 (0.04)
r magnitude 20.61 (0.05) 20.68 (0.05) 20.68 (0.05)
i magnitude 20.50 (0.06) 20.58 (0.06) 20.58 (0.06)
z magnitude 21.07 (0.3) 21.22 (0.3) 21.22 (0.3)
G magnitude 20.59 (0.1) 20.68 20.59 (0.007)
BP magnitude 20.93 (0.1) 20.37
RP magnitude 20.10 (0.1) 20.05
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.020

* 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.