All names: Gaia DR2 1276808981563720576, WISEA J152406.02+302847.5, TIC 283856547, WISE J152406.03+302847.5, PG 1522+307, HIDDEN NAME PG 1522+306, UCAC4 603-053513, Gaia DR3 1276808981563720576, LAMOST J152406.02+302847.5, SDSS J152406.02+302847.5, PG1522+306, 2MASS J15240601+3028472, Ton 231
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 15 24 06.05 | 15 24 06.03 (0.02) | ||
| Declination | 30 28 47.88 | 30 28 47.58 (0.03) | ||
| Spectral type | sd | sdO | ||
| 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] | 0.32 (0.05) | 0.34 (0.03) | |
| Distance | [pc] | 3149.61 (457) | 2901.07 (289) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -5.658 (0.06) | -5.934 (0.02) | |
| Proper motion (declination) | [mas/yr] | -4.76 (0.07) | -4.982 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.84 (0.06) | |||
| V magnitude | 15.88 (0.01) | |||
| R magnitude | 16.04 (0.6) | |||
| I magnitude | ||||
| J magnitude | 15.72 (0.08) | 15.72 (0.08) | ||
| H magnitude | 15.60 (0.1) | 15.60 (0.1) | ||
| K magnitude | 15.07 (0.1) | 15.07 (0.1) | ||
| u magnitude | 15.49 (0.005) | 15.49 (0.005) | ||
| g magnitude | 15.72 (0.004) | 15.71 (0.004) | ||
| r magnitude | 15.93 (0.004) | 15.93 (0.004) | ||
| i magnitude | 16.13 (0.005) | 16.13 (0.005) | ||
| z magnitude | 16.24 (0.008) | 16.25 (0.009) | ||
| G magnitude | 15.83 (0.0007) | 15.81 (0.003) | ||
| BP magnitude | 15.73 (0.007) | |||
| RP magnitude | 15.81 (0.003) | |||
| Pan g magnitude | 15.76 (0.002) | |||
| Pan r magnitude | 15.99 (0.001) | |||
| Pan i magnitude | 16.14 (0.003) | |||
| Pan z magnitude | 16.26 (0.004) | |||
| Pan y magnitude | 16.34 (0.005) | |||
| E(B-V) | 0.029 | |||
* 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.