SDSS J115342.48+415833.3

All names: Gaia DR2 768773032582910336, Gaia DR3 768773032582910336, SDSS J115342.48+415833.3, Gaia EDR3 768773032582910336, GALEX J115342.5+415833, SDSSJ115342.48+415833.3

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Geier 2020 MWDD H MWDD HE Gaia DR2 Simbad Eisenstein et al. 2006
Right ascension 11 53 42.49 (0.4) 11 53 42.49 11 53 42.48 11 53 42.49 (0.5) 11 53 42.49 (0.4) 11 53 42.49
Declination 41 58 33.27 (0.5) 41 58 33.32 41 58 33.30 41 58 33.28 (0.6) 41 58 33.30 (0.5) 41 58 33.33
Spectral type sdB sd sd sdB SD_auto
Effective temperature [K] 14761.0 16607.0 20136.0 (901)
log(g) [cgs] 7.32 7.52 5.08 (0.09)
Mass [M] 0.316 0.367
log(Luminosity) [L]
Cooling age [Gyr] 0.0973 0.0755
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] -0.68 (0.6) -1.07 (0.8) -1.07 (0.8)
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr] -0.376038267 (0.5) -0.497 (0.8) -0.497158519 (0.8) -0.376 (0.5) 5.4
Proper motion (declination) [mas/yr] -1.536382541 (0.6) -0.603 (1) -0.602810629 (1) -1.536 (0.6) 7.2
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.11 (0.05) 20.11 (0.04) 20.11 (0.05) 20.15 (0.05)
g magnitude 19.92 (0.02) 19.92 (0.02) 19.94 (0.02) 19.98 (0.04)
r magnitude 20.30 (0.03) 20.30 (0.03) 20.31 (0.03) 20.36 (0.03)
i magnitude 20.65 (0.05) 20.65 (0.05) 20.68 (0.05) 20.77 (0.05)
z magnitude 20.89 (0.2) 20.89 (0.2) 20.89 (0.2) 20.92 (0.2)
G magnitude 20.23 (0.08) 20.30 (0.008) 20.30 20.23 (0.006)
BP magnitude 20.01 (0.08) 19.95 (0.07) 19.95
RP magnitude 20.16 (0.1) 19.82 (0.2) 19.82
Pan g magnitude 20.05 (0.01) 20.05 (0.01)
Pan r magnitude 20.41 (0.02) 20.41 (0.02)
Pan i magnitude 20.64 (0.02) 20.64 (0.02)
Pan z magnitude 20.84 (0.04) 20.84 (0.04)
Pan y magnitude 20.07 (0.2) 20.07 (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.