All names: GALEX J005147.8+270013, SDSS J005147.75+270013.5, 2MASS J00514774+2700141, Gaia DR2 2808769596378258048, Gaia DR3 2808769596378258048, Gaia EDR3 2808769596378258048, SDSSJ005147.75+270013.5, LAMOST J005147.76+270013.6, UCAC4 586-002128, LAMOST J005147.75+270013.5
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 00 51 47.75 (0.05) | 00 51 47.76 | 00 51 47.76 (0.05) | ||
| Declination | 27 00 13.58 (0.04) | 27 00 13.68 | 27 00 13.57 (0.04) | ||
| Spectral type | sdB | sdB | |||
| Effective temperature | [K] | 33424.0 (222) | |||
| log(g) | [cgs] | 5.89 (0.06) | |||
| Mass | [M☉] | ||||
| log(Luminosity) | [L☉] | ||||
| Cooling age | [Gyr] | ||||
| log(H/He) | |||||
| log(C/He) | |||||
| log(Ca/He) | |||||
| log(Ca/H) | |||||
| Parallax | [mas] | 0.87 (0.06) | 0.66 (0.08) | 0.87 (0.06) | |
| Distance | [pc] | 1146.00 (82) | 1520.91 (189) | 1146.00 (82) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | -6.847 (0.09) | -6.823 (0.2) | -6.847 (0.09) | |
| Proper motion (declination) | [mas/yr] | 0.156 (0.04) | 0.041 (0.1) | 0.156 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 15.56 (0.03) | ||||
| V magnitude | 15.99 (0.01) | ||||
| R magnitude | 16.10 (0.3) | ||||
| I magnitude | |||||
| J magnitude | 16.53 (0.1) | 16.53 (0.1) | |||
| H magnitude | 16.23 (0.2) | 16.23 (0.2) | |||
| K magnitude | 17.21 | ||||
| u magnitude | 15.38 (0.004) | 15.36 (0.005) | |||
| g magnitude | 15.56 (0.003) | 15.55 (0.01) | |||
| r magnitude | 16.02 (0.004) | 16.09 (0.01) | |||
| i magnitude | 16.37 (0.005) | 16.36 (0.006) | |||
| z magnitude | 16.65 (0.01) | 16.66 (0.01) | |||
| G magnitude | 15.79 (0.003) | 15.81 (0.001) | 15.79 (0.003) | ||
| BP magnitude | 15.66 (0.004) | 15.61 (0.01) | |||
| RP magnitude | 16.05 (0.007) | 16.06 (0.003) | |||
| Pan g magnitude | 15.64 (0.005) | ||||
| Pan r magnitude | 16.04 (0.002) | ||||
| Pan i magnitude | 16.38 (0.003) | ||||
| Pan z magnitude | 16.66 (0.004) | ||||
| Pan y magnitude | 16.83 (0.01) | ||||
| E(B-V) | 0.054 | ||||
* 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.