SDSS J084556.85+135211.3

All names: Gaia DR2 609252591386688256, SDSS J084556.85+135211.3, SDSSJ084556.85+135211.3, GALEX J084556.8+135211, SDSS J084556.84+135211.3, Gaia DR3 609252591386688256

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 08 45 56.85 08 45 56.85 (0.08)
Declination 13 52 11.30 13 52 11.31 (0.05)
Spectral type sdB sdB
Effective temperature [K]
log(g) [cgs]
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.19 (0.1) 0.12 (0.09)
Distance [pc] 5162.62 (3166) 8650.52 (6982)
Composition
Proper motion (right ascension) [mas/yr] -4.707 (0.2) -5.289 (0.1)
Proper motion (declination) [mas/yr] -3.88 (0.1) -3.786 (0.08)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 16.98 (0.008) 16.98 (0.008)
g magnitude 17.17 (0.005) 17.17 (0.005)
r magnitude 17.61 (0.006) 17.61 (0.006)
i magnitude 17.96 (0.008) 17.96 (0.008)
z magnitude 18.21 (0.02) 18.22 (0.03)
G magnitude 17.46 (0.001) 17.43 (0.003)
BP magnitude 17.27 (0.009)
RP magnitude 17.66 (0.01)
Pan g magnitude 17.26 (0.007)
Pan r magnitude 17.64 (0.005)
Pan i magnitude 17.98 (0.005)
Pan z magnitude 18.26 (0.007)
Pan y magnitude 18.45 (0.03)
E(B-V) 0.030

* 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.