SDSS J004458.18+291926.4

All names: SDSS J004458.18+291926.46, Gaia DR2 2810210987402431488, Gaia EDR3 2810210987402431488, SDSS J004458.18+291926.4, Gaia DR3 2810210987402431488

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Kepler et al. 2016 Simbad
Right ascension 00 44 58.16 (0.8) 00 44 58.18 00 44 58.16 (0.9) 00 44 58.16 (0.8)
Declination 29 19 26.36 (0.5) 29 19 26.46 29 19 26.37 (0.7) 29 19 26.40 (0.5)
Spectral type sdA: sdA
Effective temperature [K] 7185.0 (167)
log(g) [cgs] 5.38 (0.6)
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] -0.01 (1) -0.90 (1)
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr] 0.227728365 (2) -0.445522292 (2) 0.228 (2)
Proper motion (declination) [mas/yr] -2.143788899 (0.9) -2.506121771 (2) -2.144 (0.9)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.57 (0.3) 21.48 (0.2) 21.48 (0.2)
g magnitude 21.17 (0.05) 21.18 (0.07) 21.18 (0.07)
r magnitude 21.17 (0.09) 21.16 (0.1) 21.16 (0.1)
i magnitude 21.11 (0.1) 21.09 (0.2) 21.09 (0.2)
z magnitude 20.54 (0.3) 20.52 (0.3) 20.52 (0.3)
G magnitude 20.70 (0.2) 20.78 20.70 (0.009)
BP magnitude 20.72 (0.2) 20.85
RP magnitude 20.10 (0.09) 20.16
Pan g magnitude 20.97 (0.03)
Pan r magnitude 20.73 (0.02)
Pan i magnitude 20.67 (0.02)
Pan z magnitude 20.68 (0.04)
Pan y magnitude 20.65 (0.2)
E(B-V)

* 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.