All names: SDSS J091738.39+114955.6, PG0914+120, GALEX J091738.4+114955, PG 0914+120, Gaia DR3 593472056906392832, USNO-B1.0 1018-00183722, TIC 312024585, Gaia DR2 593472056906392832, 2MASS J09173839+1149555
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 09 17 38.37 | 09 17 38.39 (0.05) | ||
Declination | 11 49 56.22 | 11 49 55.78 (0.04) | ||
Spectral type | sdB+MS | 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] | 0.27 (0.08) | 0.29 (0.06) | |
Distance | [pc] | 3671.07 (1090) | 3456.62 (723) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 7.442 (0.1) | 7.664 (0.06) | |
Proper motion (declination) | [mas/yr] | -10.171 (0.09) | -10.158 (0.06) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 16.50 | |||
V magnitude | ||||
R magnitude | 16.30 | |||
I magnitude | ||||
J magnitude | 15.84 (0.09) | 15.84 (0.09) | ||
H magnitude | 15.84 (0.2) | 15.84 (0.2) | ||
K magnitude | 15.44 (0.2) | 15.44 (0.2) | ||
u magnitude | 16.34 (0.006) | 16.34 (0.006) | ||
g magnitude | 16.27 (0.003) | 16.27 (0.003) | ||
r magnitude | 16.40 (0.004) | 16.40 (0.004) | ||
i magnitude | 16.48 (0.005) | 16.48 (0.005) | ||
z magnitude | 16.52 (0.008) | 16.52 (0.008) | ||
G magnitude | 16.31 (0.002) | 16.29 (0.003) | ||
BP magnitude | 16.32 (0.01) | |||
RP magnitude | 16.16 (0.004) | |||
Pan g magnitude | 16.34 (0.003) | |||
Pan r magnitude | 16.41 (0.004) | |||
Pan i magnitude | 16.49 (0.005) | |||
Pan z magnitude | 16.57 (0.006) | |||
Pan y magnitude | 16.60 (0.002) | |||
E(B-V) | 0.028 |
* Constant surface field
Spectra without link are available upon request
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.