All names: TIC 315387563, Gaia DR2 1156712831153662464, 2MASS J15024982+0506491, SDSS J150249.78+050649.7, GALEX J150249.8+050650, UCAC4 476-055197, PG1500+053, PG 1500+053, Gaia DR3 1156712831153662464, UCAC2 33583624
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 15 02 49.80 | 15 02 49.79 (0.04) | ||
| Declination | 05 06 50.02 | 05 06 49.78 (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] | 0.22 (0.06) | 0.19 (0.04) | |
| Distance | [pc] | 4640.37 (1281) | 5265.93 (1179) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -5.861 (0.1) | -5.807 (0.05) | |
| Proper motion (declination) | [mas/yr] | -4.771 (0.09) | -4.877 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.62 (0.1) | |||
| V magnitude | 15.70 (0.01) | |||
| R magnitude | 16.08 (0.05) | |||
| I magnitude | ||||
| J magnitude | 16.03 (0.1) | 16.04 (0.01) | ||
| H magnitude | 16.27 (0.2) | 16.07 (0.01) | ||
| K magnitude | 14.86 | 16.12 (0.03) | ||
| u magnitude | 15.65 (0.005) | 15.68 (0.009) | ||
| g magnitude | 15.44 (0.004) | 15.50 (0.02) | ||
| r magnitude | 15.83 (0.005) | 15.84 (0.01) | ||
| i magnitude | 16.11 (0.006) | 16.10 (0.02) | ||
| z magnitude | 16.34 (0.008) | 16.35 (0.02) | ||
| G magnitude | 15.67 (0.0009) | 15.65 (0.003) | ||
| BP magnitude | 15.55 (0.007) | |||
| RP magnitude | 15.79 (0.004) | |||
| Pan g magnitude | 15.51 (0.002) | |||
| Pan r magnitude | 15.84 (0.003) | |||
| Pan i magnitude | 16.13 (0.003) | |||
| Pan z magnitude | 16.35 (0.007) | |||
| Pan y magnitude | 16.46 (0.006) | |||
| E(B-V) | 0.030 | |||
* 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.