SDSS J215418.98+112907.5

All names: Gaia DR3 2726884047719663616, Gaia EDR3 2726884047719663616, SDSS J215418.98+112907.5, Gaia DR2 2726884047719663616

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD HE Gaia DR2 Simbad Eisenstein et al. 2006
Right ascension 21 54 18.99 (0.7) 21 54 18.99 21 54 18.99 (1) 21 54 18.99 (0.7) 21 54 18.99
Declination 11 29 07.51 (0.9) 11 29 07.52 11 29 07.51 (1) 11 29 07.52 (0.9) 11 29 07.57
Spectral type sd sd SD_auto
Effective temperature [K] 10861.0 12023.0 (496)
log(g) [cgs] 5.63 5.06 (0.08)
Mass [M] 0.021
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] -0.38 (0.9) -0.75 (2)
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr] 2.49962648 (0.9) 2.919019313 (2) 2.5 (0.9) 12.8
Proper motion (declination) [mas/yr] -0.518928652 (1) -0.725777187 (3) -0.519 (1) -13.2
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.27 (0.08) 21.27 (0.08) 21.46 (0.1)
g magnitude 20.28 (0.02) 20.28 (0.02) 20.31 (0.02)
r magnitude 20.47 (0.03) 20.47 (0.03) 20.48 (0.03)
i magnitude 20.66 (0.04) 20.66 (0.04) 20.68 (0.05)
z magnitude 20.95 (0.2) 20.81 (0.2) 20.82 (0.2)
G magnitude 20.39 (0.2) 20.43 20.39 (0.009)
BP magnitude 20.57 (0.2) 20.22
RP magnitude 20.22 (0.1) 20.33
Pan g magnitude 20.33 (0.02)
Pan r magnitude 20.45 (0.03)
Pan i magnitude 20.65 (0.02)
Pan z magnitude 20.79 (0.04)
Pan y magnitude 20.56 (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.