SDSS J110921.44+223434.5

All names: SDSS J110921.44+223434.53, Gaia DR3 3991770887262464256, Gaia EDR3 3991770887262464256, Gaia DR2 3991770887262464256, SDSS J110921.44+223434.5

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Kepler et al. 2016 Simbad
Right ascension 11 09 21.44 (0.3) 11 09 21.44 11 09 21.44 (0.5) 11 09 21.45 (0.3)
Declination 22 34 34.46 (0.3) 22 34 34.52 22 34 34.46 (0.3) 22 34 34.49 (0.3)
Spectral type sdA sdA
Effective temperature [K] 7866.0 (49)
log(g) [cgs] 6.36 (0.1)
Mass [M☉] 0.16359 (0.005)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] -0.02 (0.3) -0.71 (0.4)
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr] -1.913302119 (0.5) -0.954712987 (1) -1.913 (0.5)
Proper motion (declination) [mas/yr] -1.886562889 (0.3) -0.799007453 (0.7) -1.887 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.62 (0.07) 20.58 (0.07) 20.58 (0.07)
g magnitude 19.61 (0.01) 19.61 (0.03) 19.61 (0.03)
r magnitude 19.51 (0.02) 19.52 (0.03) 19.52 (0.03)
i magnitude 19.59 (0.02) 19.58 (0.03) 19.58 (0.03)
z magnitude 19.46 (0.06) 19.45 (0.06) 19.45 (0.06)
G magnitude 19.54 (0.04) 19.57 19.54 (0.005)
BP magnitude 19.60 (0.04) 19.74
RP magnitude 19.29 (0.07) 19.28
Pan g magnitude 19.63 (0.02)
Pan r magnitude 19.51 (0.01)
Pan i magnitude 19.53 (0.03)
Pan z magnitude 19.62 (0.02)
Pan y magnitude 19.67 (0.05)
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.