All names: Gaia DR2 651674945442101760, SDSS J082959.28+143441.8, GALEX J082959.3+143442, SDSS J082959.29+143441.7, Gaia EDR3 651674945442101760, TIC 20443598, SDSSJ082959.28+143441.8, 2MASS J08295929+1434420, Gaia DR3 651674945442101760
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 08 29 59.29 (0.04) | 08 29 59.29 | 08 29 59.29 (0.04) | ||
| Declination | 14 34 41.73 (0.03) | 14 34 41.76 | 14 34 41.82 (0.03) | ||
| Spectral type | sd | sd | |||
| 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] | 0.59 (0.06) | 0.40 (0.08) | 0.59 (0.06) | |
| Distance | [pc] | 1689.19 (157) | 2478.93 (461) | 1689.19 (157) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 3.524 (0.06) | 3.377 (0.1) | 3.524 (0.06) | |
| Proper motion (declination) | [mas/yr] | -5.668 (0.04) | -5.703 (0.08) | -5.668 (0.04) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | |||||
| V magnitude | |||||
| R magnitude | |||||
| I magnitude | |||||
| J magnitude | 16.21 (0.1) | 16.21 (0.1) | |||
| H magnitude | 15.74 | ||||
| K magnitude | 16.09 (0.3) | ||||
| u magnitude | 15.18 (0.004) | 15.18 (0.01) | |||
| g magnitude | 15.25 (0.003) | 15.27 (0.01) | |||
| r magnitude | 15.72 (0.004) | 15.72 (0.01) | |||
| i magnitude | 16.04 (0.005) | 16.04 (0.01) | |||
| z magnitude | 16.34 (0.008) | 16.35 (0.01) | |||
| G magnitude | 15.50 (0.003) | 15.52 (0.0009) | 15.50 (0.003) | ||
| BP magnitude | 15.38 (0.004) | 15.33 (0.007) | |||
| RP magnitude | 15.72 (0.007) | 15.73 (0.004) | |||
| Pan g magnitude | 15.34 (0.005) | ||||
| Pan r magnitude | 15.73 (0.002) | ||||
| Pan i magnitude | 16.07 (0.0007) | ||||
| Pan z magnitude | 16.33 (0.005) | ||||
| Pan y magnitude | 16.48 (0.007) | ||||
| E(B-V) | 0.035 | ||||
* 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.