SDSS J100900.74+284208.5

All names: Gaia DR3 740517507894394496, SDSS J100900.74+284208.52, SDSS J100900.74+284208.5, Gaia EDR3 740517507894394496, Gaia DR2 740517507894394496

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Gaia DR2 Kepler et al. 2016 Simbad
Right ascension 10 09 00.74 (0.3) 10 09 00.74 10 09 00.74 (0.8) 10 09 00.74 (0.3)
Declination 28 42 08.61 (0.4) 28 42 08.52 28 42 08.61 (1) 28 42 08.69 (0.4)
Spectral type sdA sdA
Effective temperature [K] 7818.0 (40)
log(g) [cgs] 6.06 (0.1)
Mass [M☉] 0.15269 (0.0007)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] -0.05 (0.3)
Distance [pc]
Composition
Proper motion (right ascension) [mas/yr] -0.108415911 (0.4) -0.108 (0.4)
Proper motion (declination) [mas/yr] -5.188013066 (0.5) -5.188 (0.5)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 20.21 (0.04) 20.22 (0.04) 20.22 (0.04)
g magnitude 19.21 (0.01) 19.23 (0.02) 19.23 (0.02)
r magnitude 19.11 (0.01) 19.12 (0.03) 19.12 (0.03)
i magnitude 19.16 (0.02) 19.17 (0.02) 19.17 (0.02)
z magnitude 18.88 (0.03) 18.92 (0.04) 18.92 (0.04)
G magnitude 19.09 (0.02) 19.12 19.09 (0.004)
BP magnitude 19.20 (0.02) 19.21
RP magnitude 18.90 (0.04) 18.83
Pan g magnitude 19.17 (0.01)
Pan r magnitude 19.13 (0.01)
Pan i magnitude 19.15 (0.01)
Pan z magnitude 19.24 (0.02)
Pan y magnitude 19.14 (0.03)
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.