All names: 2MASS J09431582+1655569, LAMOST J094315.82+165557.0, SDSS J094315.82+165557.00, Gaia DR3 620566974057395840, Gaia DR2 620566974057395840, TIC 59582659, SDSS J094315.82+165557.0, Gaia EDR3 620566974057395840, SDSS J094315.81+165557.0, PG 0940+172, PG0940+171, LAMOST J094315.82+165557.1, HIDDEN NAME PG 0940+171
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 43 15.82 (0.05) | 09 43 15.82 | 09 43 15.82 | 09 43 15.82 (0.09) | 09 43 15.82 (0.05) | ||||
| Declination | 16 55 56.99 (0.04) | 16 55 57.04 | 16 55 57.57 | 16 55 56.99 (0.1) | 16 55 57.05 (0.04) | ||||
| Spectral type | sdB | sdB | sdB | ||||||
| Effective temperature | [K] | 27982.0 (1098) | 30343.0 (91) | ||||||
| log(g) | [cgs] | 5.52 (0.2) | 5.57 (0.02) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.35 (0.06) | 0.38 (0.1) | 0.38 (0.1) | 0.35 (0.06) | ||||
| Distance | [pc] | 2833.02 (462) | 2623.29 (760) | 2623.29 (760) | 2832.86 (461) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 2.6772248 (0.06) | 2.75 (0.2) | 2.75 (0.2) | 2.677 (0.06) | ||||
| Proper motion (declination) | [mas/yr] | -3.656396204 (0.05) | -3.573 (0.2) | -3.573 (0.2) | -3.656 (0.05) | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 16.13 | ||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.10 (0.09) | 16.10 (0.09) | |||||||
| H magnitude | 15.83 (0.2) | 15.83 (0.2) | |||||||
| K magnitude | 15.71 | ||||||||
| u magnitude | 15.84 (0.005) | 15.84 (0.005) | 15.85 (0.01) | 15.84 (0.005) | |||||
| g magnitude | 15.95 (0.003) | 15.95 (0.003) | 15.98 (0.02) | 15.95 (0.003) | |||||
| r magnitude | 16.38 (0.004) | 16.38 (0.004) | 16.38 (0.02) | 16.38 (0.004) | |||||
| i magnitude | 16.60 (0.005) | 16.60 (0.005) | 16.60 (0.02) | 16.60 (0.005) | |||||
| z magnitude | 16.79 (0.009) | 16.79 (0.009) | 16.78 (0.02) | 16.79 (0.009) | |||||
| G magnitude | 16.14 (0.003) | 16.17 (0.002) | 16.17 | 16.14 (0.003) | |||||
| BP magnitude | 16.06 (0.003) | 16.02 (0.009) | 16.02 | ||||||
| RP magnitude | 16.28 (0.003) | 16.28 (0.005) | 16.28 | ||||||
| Pan g magnitude | 16.03 (0.006) | 16.03 (0.006) | |||||||
| Pan r magnitude | 16.42 (0.01) | 16.42 (0.01) | |||||||
| Pan i magnitude | 16.64 (0.004) | 16.64 (0.004) | |||||||
| Pan z magnitude | 16.75 (0.008) | 16.75 (0.008) | |||||||
| Pan y magnitude | 16.88 (0.01) | 16.88 (0.01) | |||||||
| E(B-V) | 0.025 | ||||||||
* 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.