All names: PG 1533+320, Gaia DR2 1274227981096283008, Gaia DR3 1274227981096283008, 2MASS J15355010+3151468, Ton 242, TIC 16914794, SDSS J153550.10+315146.9, PG1533+320
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 15 35 50.11 | 15 35 50.10 (0.03) | ||
| Declination | 31 51 47.60 | 31 51 47.00 (0.03) | ||
| Spectral type | sdB | 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] | 0.47 (0.05) | 0.50 (0.04) | |
| Distance | [pc] | 2122.69 (247) | 2015.32 (165) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -5.716 (0.08) | -5.834 (0.03) | |
| Proper motion (declination) | [mas/yr] | -8.624 (0.1) | -8.603 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.83 | |||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.88 (0.07) | 15.88 (0.07) | ||
| H magnitude | 15.60 (0.1) | 15.60 (0.1) | ||
| K magnitude | 15.59 (0.2) | 15.59 (0.2) | ||
| u magnitude | 15.56 (0.004) | 15.58 (0.01) | ||
| g magnitude | 15.72 (0.004) | 15.76 (0.02) | ||
| r magnitude | 16.16 (0.004) | 16.17 (0.01) | ||
| i magnitude | 16.38 (0.004) | 16.41 (0.01) | ||
| z magnitude | 16.55 (0.008) | 16.54 (0.02) | ||
| G magnitude | 15.96 (0.001) | 15.94 (0.003) | ||
| BP magnitude | 15.79 (0.009) | |||
| RP magnitude | 16.07 (0.003) | |||
| Pan g magnitude | 15.82 (0.005) | |||
| Pan r magnitude | 16.16 (0.002) | |||
| Pan i magnitude | 16.40 (0.002) | |||
| Pan z magnitude | 16.53 (0.005) | |||
| Pan y magnitude | 16.63 (0.007) | |||
| E(B-V) | 0.026 | |||
* 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.