All names: PHL 224, Gaia DR3 2616240643588448768, SDSS J221958.39-083819.8, PHL224, UCAC2 28836797, BPS CS 29512-0055, TIC 38353955, Gaia DR2 2616240643588448768, UCAC4 407-136968, 2MASS J22195838-0838198
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 22 19 58.36 | 22 19 58.39 (0.04) | ||
| Declination | -08 38 19.61 | -08 38 19.95 (0.03) | ||
| Spectral type | sdB | sdB | ||
| 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] | 0.17 (0.06) | 0.27 (0.04) | |
| Distance | [pc] | 5885.82 (2103) | 3753.75 (603) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 11.572 (0.1) | 11.397 (0.05) | |
| Proper motion (declination) | [mas/yr] | -5.93 (0.1) | -6.057 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.01 (0.01) | |||
| V magnitude | 15.10 (0) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.20 (0.04) | 15.20 (0.04) | ||
| H magnitude | 15.23 (0.1) | 15.23 (0.1) | ||
| K magnitude | 15.36 (0.2) | 15.36 (0.2) | ||
| u magnitude | 15.35 (0.004) | 15.32 (0.01) | ||
| g magnitude | 14.89 (0.003) | 14.91 (0.02) | ||
| r magnitude | 15.18 (0.003) | 15.19 (0.01) | ||
| i magnitude | 15.42 (0.004) | 15.41 (0.01) | ||
| z magnitude | 15.62 (0.007) | 15.62 (0.02) | ||
| G magnitude | 15.08 (0.0009) | 15.06 (0.003) | ||
| BP magnitude | 15.01 (0.007) | |||
| RP magnitude | 15.13 (0.004) | |||
| Pan g magnitude | 14.95 (0.005) | |||
| Pan r magnitude | 15.22 (0.003) | |||
| Pan i magnitude | 15.47 (0.001) | |||
| Pan z magnitude | 15.65 (0.008) | |||
| Pan y magnitude | 15.73 (0.006) | |||
| E(B-V) | 0.052 | |||
* 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.