All names: PG1518-098, 2MASS J15205929-0958564, BPS BS 16551-0083, PG 1518-098, UCAC2 28386646, Gaia DR2 6316262335238937856, Gaia DR3 6316262335238937856, UCAC4 401-060035, HE 1518-0948, TIC 36938632
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 15 20 59.34 | 15 20 59.29 (0.03) | ||
| Declination | -09 58 55.90 | -09 58 56.44 (0.03) | ||
| Spectral type | He-sdO | sdOC2VIeHe40 | ||
| 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] | 0.20 (0.05) | 0.14 (0.04) | |
| Distance | [pc] | 5081.30 (1389) | 7112.38 (1983) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -14.61 (0.08) | -14.67 (0.04) | |
| Proper motion (declination) | [mas/yr] | -6.498 (0.07) | -6.552 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.48 (0.03) | |||
| V magnitude | 13.67 (0.01) | |||
| R magnitude | 14.03 (0.09) | |||
| I magnitude | ||||
| J magnitude | 14.18 (0.02) | 14.18 (0.02) | ||
| H magnitude | 14.31 (0.05) | 14.31 (0.05) | ||
| K magnitude | 14.46 (0.08) | 14.46 (0.08) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 13.65 (0.0009) | 13.64 (0.003) | ||
| BP magnitude | 13.45 (0.01) | |||
| RP magnitude | 13.86 (0.002) | |||
| Pan g magnitude | 13.52 (0.008) | |||
| Pan r magnitude | 13.88 (0.003) | |||
| Pan i magnitude | 14.20 (0.002) | |||
| Pan z magnitude | 14.45 (0.003) | |||
| Pan y magnitude | 14.62 (0.004) | |||
| E(B-V) | 0.098 | |||
* 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.