SDSS J091052.28+074934.7

All names: SDSSJ091052.27+074934.6, Gaia DR2 590054976630524416, Gaia EDR3 590054976630524416, SDSS J091052.28+074934.68, Gaia DR3 590054976630524416, SDSS J091052.28+074934.6, GALEX J091052.3+074934, SDSS J091052.28+074934.7

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 SDSS DR10 Geier 2020 MWDD HE Gaia DR2 Kepler et al. 2015 Simbad Eisenstein et al. 2006
Right ascension 09 10 52.28 (0.3) 09 10 52.28 09 10 52.28 09 10 52.27 09 10 52.28 (0.5) 09 10 52.28 (0.3) 09 10 52.29
Declination 07 49 34.68 (0.2) 07 49 34.75 07 49 34.75 07 49 34.60 07 49 34.69 (0.4) 07 49 34.75 (0.2) 07 49 34.72
Spectral type sdB B/sdB B/sdB B/sdB SD_auto
Effective temperature [K] 18242.0 34395.0 (376) 30180.0 (813)
log(g) [cgs] 5.06 5.86 (0.07) 5.09 (0.1)
Mass [M] 0.023
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] -0.03 (0.4) -0.36 (0.6) -0.36 (0.6)
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr] -3.553871517 (0.4) -4.387 (1) -4.387355113 (1) -3.554 (0.4) -2.5
Proper motion (declination) [mas/yr] -4.144738336 (0.3) -3.585 (0.7) -3.585221923 (0.7) -4.145 (0.3) -5.4
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 19.70 (0.1)
H magnitude
K magnitude
u magnitude 18.82 (0.02) 18.82 (0.02) 18.82 (0.02) 18.82 (0.03) 18.82 (0.02) 18.81 (0.03)
g magnitude 18.97 (0.009) 18.97 (0.009) 18.97 (0.009) 18.97 (0.02) 18.97 (0.009) 18.93 (0.02)
r magnitude 19.42 (0.02) 19.42 (0.02) 19.42 (0.01) 19.41 (0.02) 19.42 (0.01) 19.45 (0.02)
i magnitude 19.76 (0.03) 19.76 (0.03) 19.76 (0.03) 19.76 (0.03) 19.76 (0.03) 19.75 (0.03)
z magnitude 20.11 (0.1) 20.11 (0.1) 20.11 (0.1) 20.07 (0.1) 20.10 (0.1) 20.05 (0.1)
G magnitude 19.18 (0.04) 19.21 (0.006) 19.21 19.18 (0.005)
BP magnitude 19.07 (0.04) 18.97 (0.05) 18.97
RP magnitude 19.32 (0.05) 19.53 (0.1) 19.53
Pan g magnitude 19.04 (0.009) 19.04 (0.009)
Pan r magnitude 19.45 (0.01) 19.45 (0.01)
Pan i magnitude 19.78 (0.008) 19.78 (0.008)
Pan z magnitude 20.00 (0.02) 20.00 (0.02)
Pan y magnitude 19.95 (0.01) 19.95 (0.01)
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.