All names: PG 2201+059, TIC 468221350, Gaia DR3 2720582235480260352, PG2201+059, Gaia DR2 2720582235480260352, UCAC4 482-131045, 2MASS J22041611+0616201, SDSS J220416.10+061620.6
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 04 16.12 | 22 04 16.11 (0.05) | ||
| Declination | 06 16 21.51 | 06 16 20.67 (0.05) | ||
| Spectral type | sd | sd | ||
| 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] | 0.68 (0.07) | 0.51 (0.05) | |
| Distance | [pc] | 1470.16 (156) | 1951.98 (204) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -1.196 (0.1) | -1.205 (0.06) | |
| Proper motion (declination) | [mas/yr] | -12.808 (0.1) | -13.048 (0.06) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.42 (0.04) | |||
| V magnitude | 15.66 (0.01) | |||
| R magnitude | 16.01 (0.2) | |||
| I magnitude | ||||
| J magnitude | 16.20 (0.09) | 16.20 (0.09) | ||
| H magnitude | 16.46 (0.2) | 16.46 (0.2) | ||
| K magnitude | 15.70 (0.2) | 15.70 (0.2) | ||
| u magnitude | 15.18 (0.005) | 15.17 (0.02) | ||
| g magnitude | 15.38 (0.005) | 15.38 (0.01) | ||
| r magnitude | 15.82 (0.005) | 15.82 (0.02) | ||
| i magnitude | 16.15 (0.006) | 16.11 (0.03) | ||
| z magnitude | 16.43 (0.009) | 16.42 (0.02) | ||
| G magnitude | 15.62 (0.001) | 15.60 (0.003) | ||
| BP magnitude | 15.44 (0.009) | |||
| RP magnitude | 15.83 (0.009) | |||
| Pan g magnitude | ||||
| Pan r magnitude | 21.09 (0.1) | |||
| Pan i magnitude | 20.26 (0) | |||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.061 | |||
* 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.