All names: GALEX J152256.6+660442, RX J1522.9+6604, Gaia EDR3 1644355717065021568, [ZEH2003] RX J1522.9+6604 2, Gaia DR2 1644355717065021568, RBS 1493, HS 1522+6615, Gaia DR3 1644355717065021568, SDSS J152256.69+660441.9, FBS B 834, WD 1522+662, FBS 1522+663, 1RXS J152255.8+660445
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 15 22 56.69 (0.05) | 15 22 56.69 (0.07) | 15 22 56.70 (0.05) | 15 22 56.81 | |||
| Declination | 66 04 41.98 (0.05) | 66 04 41.98 (0.06) | 66 04 42.03 (0.05) | 66 04 42.96 | |||
| Spectral type | DO | DO/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] | 0.15 (0.05) | 0.16 (0.07) | 0.15 (0.05) | |||
| Distance | [pc] | 6646.30 (2281) | 6385.70 (2826) | 6644.52 (2278) | |||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -0.81632626 (0.08) | -1.041 (0.2) | -0.816 (0.07) | |||
| Proper motion (declination) | [mas/yr] | -3.309598514 (0.06) | -3.3 (0.1) | -3.31 (0.07) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 16.40 | ||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | |||||||
| H magnitude | |||||||
| K magnitude | |||||||
| u magnitude | 16.09 (0.006) | ||||||
| g magnitude | 16.55 (0.004) | ||||||
| r magnitude | 17.13 (0.005) | ||||||
| i magnitude | 17.51 (0.007) | ||||||
| z magnitude | 17.79 (0.02) | ||||||
| G magnitude | 16.84 (0.004) | 16.87 | 16.84 (0.003) | ||||
| BP magnitude | 16.66 (0.004) | 16.59 | |||||
| RP magnitude | 17.20 (0.009) | 17.21 | |||||
| Pan g magnitude | 16.66 (0.007) | ||||||
| Pan r magnitude | 17.13 (0.005) | ||||||
| Pan i magnitude | 17.52 (0.004) | ||||||
| Pan z magnitude | 17.82 (0.005) | ||||||
| Pan y magnitude | 18.05 (0.01) | ||||||
| E(B-V) | 0.019 | ||||||
* 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.