SDSS J110456.21+231349.8

All names: GALEX J110456.2+231349, SDSSJ110456.21+231349.8, Gaia DR3 3994911981529643904, Gaia EDR3 3994911981529643904, SDSS J110456.21+231349.83, SDSS J110456.21+231349.8, Gaia DR2 3994911981529643904

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Geier 2020 MWDD H MWDD HE Gaia DR2 Stilism Kepler et al. 2016 Simbad
Right ascension 11 04 56.21 (0.3) 11 04 56.21 11 04 56.21 11 04 56.21 (0.4) 11 04 56.22 (0.3)
Declination 23 13 49.73 (0.2) 23 13 49.81 23 13 49.80 23 13 49.74 (0.3) 23 13 49.79 (0.2)
Spectral type sdB sdB sdB sdB sdB
Effective temperature [K] 23333.0 28768.0 30129.0 (1061)
log(g) [cgs] 6.49 6.70 5.13 (0.2)
Mass [M] 0.187 0.231
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.13 (0.3) -0.58 (0.5) -0.58 (0.5) 0.13 (0.3)
Distance [pc] 7833.67 (16996) 7830.85 (16986)
Composition
Proper motion (right ascension) [mas/yr] -2.415898639 (0.4) -0.999 (1) -0.998647747 (1) -2.416 (0.4)
Proper motion (declination) [mas/yr] -3.310773871 (0.2) -2.532 (0.7) -2.532076971 (0.7) -3.311 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.73 (0.02) 18.73 (0.02) 18.74 (0.02) 18.73 (0.02)
g magnitude 18.92 (0.009) 18.91 (0.009) 18.94 (0.02) 18.91 (0.009)
r magnitude 19.43 (0.01) 19.43 (0.01) 19.43 (0.03) 19.43 (0.01)
i magnitude 19.80 (0.02) 19.80 (0.02) 19.80 (0.03) 19.80 (0.02)
z magnitude 20.07 (0.08) 20.06 (0.08) 20.07 (0.08) 20.07 (0.08)
G magnitude 19.24 (0.03) 19.27 (0.006) 19.27 19.24 (0.005)
BP magnitude 19.20 (0.03) 19.05 (0.05) 19.05
RP magnitude 19.46 (0.09) 19.37 (0.09) 19.37
Pan g magnitude 19.03 (0.007) 19.04 (0.007)
Pan r magnitude 19.48 (0.01) 19.48 (0.01)
Pan i magnitude 19.82 (0.01) 19.82 (0.01)
Pan z magnitude 20.10 (0.03) 20.10 (0.03)
Pan y magnitude 20.03 (0.06) 20.03 (0.06)
E(B-V) 0.019

* 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.