All names: PHL30, Gaia EDR3 6840990859296539520, EC 21300-1650, PHL 30, Gaia DR2 6840990859296539520, UCAC4 367-179612, Gaia DR3 6840990859296539520, 2MASS J21324729-1637383, uvby98 610160030
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 21 32 47.30 (0.04) | 21 32 47.32 | 21 32 47.31 (0.04) | ||
| Declination | -16 37 38.39 (0.03) | -16 37 37.80 | -16 37 38.30 (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] | 1.53 (0.04) | 1.50 (0.08) | 1.53 (0.04) | |
| Distance | [pc] | 652.74 (17) | 664.45 (37) | 652.74 (17) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -6.429 (0.05) | -6.453 (0.1) | -6.429 (0.05) | |
| Proper motion (declination) | [mas/yr] | -5.249 (0.03) | -5.392 (0.1) | -5.249 (0.03) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 13.91 | ||||
| V magnitude | 14.12 (0.01) | ||||
| R magnitude | 14.59 (0.2) | ||||
| I magnitude | |||||
| J magnitude | 14.69 (0.04) | 14.69 (0.04) | |||
| H magnitude | 14.76 (0.07) | 14.76 (0.07) | |||
| K magnitude | 14.75 (0.1) | 14.75 (0.1) | |||
| u magnitude | |||||
| g magnitude | 13.95 (0.03) | ||||
| r magnitude | 14.34 (0.02) | ||||
| i magnitude | 14.72 (0.2) | ||||
| z magnitude | |||||
| G magnitude | 14.09 (0.003) | 14.11 (0.001) | 14.09 (0.003) | ||
| BP magnitude | 13.96 (0.003) | 13.92 (0.007) | |||
| RP magnitude | 14.35 (0.004) | 14.35 (0.004) | |||
| Pan g magnitude | 13.97 (0.004) | ||||
| Pan r magnitude | 14.35 (0.002) | ||||
| Pan i magnitude | 14.69 (0.002) | ||||
| Pan z magnitude | 14.96 (0.004) | ||||
| Pan y magnitude | 15.13 (0.005) | ||||
| E(B-V) | 0.029 | ||||
* 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.