All names: UPM J0812-3529, 2MASS J08122707-3529433, WD 0810-353, CNS5 2037, 081227.07-352943.32, Gaia DR3 5544743925212648320, Gaia DR2 5544743925212648320, UCAC4 273-028648, TIC 145863747, Gaia EDR3 5544743925212648320, WDJ081227.07-352943.32
| Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | O'Brien et al. 2022 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 12 26.98 (0.01) | 08 12 26.98 | 08 12 26.98 | 08 12 27.07 (0.01) | 08 12 26.98 | ||||
| Declination | -35 29 43.79 (0.01) | -35 29 43.78 | -35 29 43.79 | -35 29 43.32 (0.01) | -35 29 43.78 | ||||
| Spectral type | DAH | DC | DC | DAH | |||||
| Effective temperature | [K] | 6239.0 (30) | 6240.0 (30) | 5355.0 (24) | |||||
| log(g) | [cgs] | 8.18 (0.01) | 8.18 (0.01) | 7.91 (0.004) | |||||
| Mass | [M☉] | 0.7 (0.009) | 0.513 (0.004) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 89.51 (0.02) | 89.51 (0.02) | 89.51 (0.02) | 89.52 (0.02) | 89.51 | 89.51 (0.02) | 89.52 (0.02) | |
| Distance | [pc] | 11.17 (0.002) | 11.17 (0.002) | 11.17 (0.002) | 11.17 (0.002) | 11.17 | 11.17 (0.002) | 11.17 (0.002) | |
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -65.4794499 (0.02) | -65.49816808 (0.03) | -65.479 (0.02) | -65.49816808 | ||||
| Proper motion (declination) | [mas/yr] | -29.20449376 (0.02) | -29.2670985 (0.03) | -29.204 (0.02) | -29.2670985 | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 14.97 (0.01) | ||||||||
| V magnitude | 14.47 (0.01) | ||||||||
| R magnitude | 14.43 (0.09) | ||||||||
| I magnitude | |||||||||
| J magnitude | 13.62 (0.03) | ||||||||
| H magnitude | 13.38 (0.02) | ||||||||
| K magnitude | 13.32 (0.03) | ||||||||
| u magnitude | |||||||||
| g magnitude | |||||||||
| r magnitude | |||||||||
| i magnitude | |||||||||
| z magnitude | |||||||||
| G magnitude | 14.35 (0.0007) | 14.36 | 14.35 | 14.35 (0.003) | 14.36 | ||||
| BP magnitude | 14.61 (0.0007) | 14.62 | 14.62 | ||||||
| RP magnitude | 13.92 (0.0007) | 13.93 | 13.93 | ||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.000 | ||||||||
* 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.