All names: WISEA J220800.63+023343.3, Gaia DR2 2683585696429935488, WISE J220800.63+023343.4, [TFW97] J220800.65+023343.66, PG 2205+023, Gaia EDR3 2683585696429935488, LAMOST J220800.64+023343.5, TIC 418919116, PG2205+023, 2MASS J22080063+0233435, UCAC4 463-131843, SDSS J220800.63+023343.3, UCAC2 32802204, Gaia DR3 2683585696429935488, LAMOST J220800.59+023343.5
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 22 08 00.62 (0.04) | 22 08 00.70 | 22 08 00.64 (0.04) | ||
| Declination | 02 33 43.27 (0.05) | 02 33 44.34 | 02 33 43.53 (0.05) | ||
| Spectral type | sdB | sdB2VIIIpHe0 | |||
| Effective temperature | [K] | 27100.0 (500) | |||
| log(g) | [cgs] | 5.51 (0.05) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 1.40 (0.03) | 1.38 (0.06) | 1.40 (0.03) | |
| Distance | [pc] | 712.45 (17) | 724.38 (30) | 712.45 (17) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -18.391 (0.04) | -18.573 (0.1) | -18.391 (0.04) | |
| Proper motion (declination) | [mas/yr] | -16.287 (0.05) | -16.328 (0.2) | -16.287 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.96 (0.02) | ||||
| V magnitude | 14.10 (0.1) | ||||
| R magnitude | 14.32 (0.09) | ||||
| I magnitude | |||||
| J magnitude | 14.61 (0.03) | 14.61 (0.03) | |||
| H magnitude | 14.70 (0.07) | 14.70 (0.07) | |||
| K magnitude | 14.78 (0.1) | 14.78 (0.1) | |||
| u magnitude | 14.07 (0.005) | ||||
| g magnitude | 14.03 (0.009) | 13.94 (0.02) | |||
| r magnitude | 14.46 (0.003) | 14.31 (0.1) | |||
| i magnitude | 14.91 (0.007) | 14.76 (0.4) | |||
| z magnitude | 15.19 (0.007) | ||||
| G magnitude | 14.11 (0.003) | 14.12 (0.0006) | 14.11 (0.003) | ||
| BP magnitude | 13.99 (0.003) | 13.94 (0.006) | |||
| RP magnitude | 14.33 (0.004) | 14.33 (0.003) | |||
| Pan g magnitude | 13.96 (0.004) | ||||
| Pan r magnitude | 14.34 (0.005) | ||||
| Pan i magnitude | 14.67 (0.002) | ||||
| Pan z magnitude | 14.93 (0.002) | ||||
| Pan y magnitude | 15.09 (0.004) | ||||
| E(B-V) | 0.088 | ||||
* 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.