All names: Gaia DR3 1429411162454206208, GALEX J161532.8+550420, LAMOST J161532.79+550420.6, SDSS J161532.79+550420.5, SBSS 1614+552, SBSS1614+551, SBSS 1614+551, Gaia DR2 1429411162454206208, SDSS J161532.78+550420.5, USNO-B1.0 1450-00248257
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 16 15 32.83 | 16 15 32.80 (0.04) | ||
| Declination | 55 04 20.20 | 55 04 20.53 (0.05) | ||
| Spectral type | sdB | B8V | ||
| 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] | 0.11 (0.06) | 0.11 (0.05) | |
| Distance | [pc] | 9345.79 (5197) | 8818.34 (3678) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -4.828 (0.1) | -4.763 (0.05) | |
| Proper motion (declination) | [mas/yr] | 3.23 (0.2) | 3.072 (0.07) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 16.40 | |||
| V magnitude | ||||
| R magnitude | 17.40 | |||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | 16.94 (0.008) | 16.96 (0.008) | ||
| g magnitude | 16.63 (0.004) | 16.63 (0.004) | ||
| r magnitude | 17.05 (0.005) | 17.05 (0.005) | ||
| i magnitude | 17.31 (0.006) | 17.31 (0.006) | ||
| z magnitude | 17.57 (0.01) | 17.56 (0.01) | ||
| G magnitude | 16.90 (0.001) | 16.87 (0.003) | ||
| BP magnitude | 16.78 (0.006) | |||
| RP magnitude | 17.01 (0.006) | |||
| Pan g magnitude | 16.73 (0.002) | |||
| Pan r magnitude | 17.05 (0.003) | |||
| Pan i magnitude | 17.34 (0.004) | |||
| Pan z magnitude | 17.57 (0.005) | |||
| Pan y magnitude | 17.66 (0.008) | |||
| E(B-V) | 0.021 | |||
* 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.