All names: PG 1506-052, UCAC4 424-061603, BPS BS 16555-0083, GALEX J150919.0-052053, PG1506-052, [TFW97] J150919.08-052054.47, Gaia DR3 6334826867519070336, 2MASS J15091907-0520547, Gaia EDR3 6334826867519070336, TIC 20808896, Gaia DR2 6334826867519070336, UCAC2 30030350
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 15 09 19.08 (0.03) | 15 09 19.08 | 15 09 19.08 (0.03) | ||
| Declination | -05 20 55.22 (0.03) | -05 20 53.58 | -05 20 54.76 (0.03) | ||
| Spectral type | sdOB | sdO7VIHe1 | |||
| 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] | 1.24 (0.04) | 1.20 (0.07) | 1.24 (0.04) | |
| Distance | [pc] | 807.69 (23) | 832.64 (50) | 807.69 (23) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 3.219 (0.04) | 3.274 (0.1) | 3.219 (0.04) | |
| Proper motion (declination) | [mas/yr] | -28.567 (0.03) | -28.686 (0.1) | -28.567 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.70 (0.01) | ||||
| V magnitude | 13.90 (0.01) | ||||
| R magnitude | 14.01 (0.2) | ||||
| I magnitude | |||||
| J magnitude | 14.42 (0.03) | 14.42 (0.03) | |||
| H magnitude | 14.54 (0.06) | 14.54 (0.06) | |||
| K magnitude | 14.66 (0.1) | 14.66 (0.1) | |||
| u magnitude | |||||
| g magnitude | |||||
| r magnitude | |||||
| i magnitude | |||||
| z magnitude | |||||
| G magnitude | 13.87 (0.003) | 13.88 (0.001) | 13.87 (0.003) | ||
| BP magnitude | 13.73 (0.004) | 13.68 (0.01) | |||
| RP magnitude | 14.12 (0.004) | 14.12 (0.002) | |||
| Pan g magnitude | 13.72 (0.007) | ||||
| Pan r magnitude | 14.13 (0.003) | ||||
| Pan i magnitude | 14.47 (0.004) | ||||
| Pan z magnitude | 14.72 (0.002) | ||||
| Pan y magnitude | 14.89 (0.003) | ||||
| E(B-V) | 0.119 | ||||
* 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.