SDSS J215854.11+212432.6

All names: Gaia EDR3 1781080159778185472, SDSSJ215854.10+212432.5, LAMOST J215854.18+212432.4, SDSS J215854.11+212432.5, SDSS J215854.11+212432.58, SDSS J215854.11+212432.6, Gaia DR2 1781080159778185472, GALEX J215854.1+212433, UCAC4 558-138890, Gaia DR3 1781080159778185472

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Geier 2020 Gaia DR2 Stilism Kepler et al. 2015 Simbad
Right ascension 21 58 54.11 (0.05) 21 58 54.11 21 58 54.10 21 58 54.11 (0.1) 21 58 54.12 (0.05)
Declination 21 24 32.56 (0.04) 21 24 32.55 21 24 32.50 21 24 32.56 (0.08) 21 24 32.57 (0.04)
Spectral type sdB sdB sdB
Effective temperature [K] 29350.0 (310) 30826.0 (170)
log(g) [cgs] 5.30 (0.1) 5.54 (0.03)
Mass [M]
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.45 (0.05) 0.54 (0.1) 0.54 (0.1) 0.45 (0.05)
Distance [pc] 2211.14 (257) 1865.67 (441) 1865.82 (441) 2210.92 (257)
Composition
Proper motion (right ascension) [mas/yr] -5.6636195 (0.05) -5.703 (0.2) -5.702672048 (0.2) -5.664 (0.05)
Proper motion (declination) [mas/yr] -0.828180513 (0.05) -0.597 (0.1) -0.597408941 (0.1) -0.828 (0.05)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.16 (0.01)
V magnitude 16.35 (0.04)
R magnitude 16.21 (0.2)
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 16.02 (0.006) 16.02 (0.006) 16.02 (0.02) 16.02 (0.006)
g magnitude 16.07 (0.003) 16.07 (0.003) 16.10 (0.02) 16.07 (0.003)
r magnitude 16.44 (0.004) 16.44 (0.004) 16.43 (0.01) 16.44 (0.004)
i magnitude 16.71 (0.005) 16.71 (0.005) 16.70 (0.01) 16.71 (0.005)
z magnitude 16.98 (0.01) 16.98 (0.01) 16.97 (0.02) 16.98 (0.01)
G magnitude 16.23 (0.003) 16.26 (0.002) 16.26 16.23 (0.003)
BP magnitude 16.15 (0.003) 16.11 (0.01) 16.11
RP magnitude 16.40 (0.003) 16.39 (0.005) 16.39
Pan g magnitude 16.13 (0.004) 16.13 (0.004)
Pan r magnitude 16.44 (0.002) 16.44 (0.002)
Pan i magnitude 16.72 (0.003) 16.72 (0.003)
Pan z magnitude 16.95 (0.003) 16.95 (0.003)
Pan y magnitude 17.10 (0.009) 17.10 (0.009)
E(B-V) 0.057

* 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.