All names: PG2151+100, Gaia DR3 2726462767263155840, Gaia DR2 2726462767263155840, PG 2151+100, 2MASS J21535730+1017349, TIC 466418766, TYC 1126-596-1, GALEX J215357.3+101738
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 21 53 57.23 | 21 53 57.30 (0.09) | ||
| Declination | 10 17 37.70 | 10 17 35.07 (0.1) | ||
| Spectral type | sdB | sdB0VIIHe0 | ||
| Effective temperature | [K] | 32700.0 (1100) | ||
| log(g) | [cgs] | 5.59 (0.1) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 2.89 (0.2) | 1.72 (0.1) | |
| Distance | [pc] | 346.44 (20) | 582.68 (42) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 21.065 (0.2) | 21.739 (0.1) | |
| Proper motion (declination) | [mas/yr] | -46.168 (0.2) | -46.012 (0.1) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 12.07 (0.2) | |||
| V magnitude | 12.34 (0.4) | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 12.84 (0.03) | 12.84 (0.03) | ||
| H magnitude | 12.61 (0.03) | 12.61 (0.03) | ||
| K magnitude | 12.61 (0.04) | 12.61 (0.04) | ||
| u magnitude | 12.55 (0.002) | |||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | 13.25 (0.001) | |||
| z magnitude | 14.00 (0.01) | |||
| G magnitude | 12.68 (0.0006) | 12.67 (0.003) | ||
| BP magnitude | 12.53 (0.008) | |||
| RP magnitude | 12.83 (0.002) | |||
| Pan g magnitude | 12.35 | |||
| Pan r magnitude | 12.66 | |||
| Pan i magnitude | 12.93 | |||
| Pan z magnitude | 13.38 (0.01) | |||
| Pan y magnitude | 13.47 (0.008) | |||
| E(B-V) | 0.046 | |||
* 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.