All names: WDJ094240.23-463717.68, 094240.23-463717.68, WISEA J094240.29-463718.0, Gaia EDR3 5410698683096655360, 2MASS J09424023-4637176, UCAC4 217-039132, Gaia DR3 5410698683096655360, TIC 33724884, Gaia DR2 5410698683096655360, CNS5 2400, WISE J094240.29-463718.0
| 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 | 09 42 40.34 (0.02) | 09 42 40.34 | 09 42 40.34 | 09 42 40.23 (0.02) | 09 42 40.34 | ||||
| Declination | -46 37 18.32 (0.02) | -46 37 18.30 | -46 37 18.32 | -46 37 17.69 (0.02) | -46 37 18.30 | ||||
| Spectral type | DAH | DAH | DA | DAH | |||||
| Effective temperature | [K] | 5974.0 (30) | 5970.0 (30) | 6101.0 (17) | |||||
| log(g) | [cgs] | 8.01 (0.02) | 8.01 (0.02) | 8.06 (0.006) | |||||
| Mass | [M☉] | 0.592 (0.01) | 0.623 (0.005) | ||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 48.83 (0.03) | 48.83 (0.03) | 48.83 (0.03) | 48.76 (0.03) | 48.83 | 48.83 (0.03) | 48.76 (0.03) | |
| Distance | [pc] | 20.48 (0.01) | 20.48 (0.01) | 20.48 (0.01) | 20.51 (0.01) | 20.48 | 20.48 (0.01) | 20.51 (0.01) | |
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 68.19144566 (0.03) | 68.10134747 (0.06) | 68.191 (0.03) | 68.10134747 | ||||
| Proper motion (declination) | [mas/yr] | -39.6076757 (0.03) | -39.69423366 (0.06) | -39.608 (0.03) | -39.69423366 | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | 15.68 (0.1) | ||||||||
| I magnitude | |||||||||
| J magnitude | 14.68 (0.03) | ||||||||
| H magnitude | 14.45 (0.05) | ||||||||
| K magnitude | 14.41 (0.08) | ||||||||
| u magnitude | |||||||||
| g magnitude | |||||||||
| r magnitude | |||||||||
| i magnitude | |||||||||
| z magnitude | |||||||||
| G magnitude | 15.60 (0.002) | 15.61 | 15.60 | 15.60 (0.003) | 15.61 | ||||
| BP magnitude | 15.89 (0.002) | 15.90 | 15.90 | ||||||
| RP magnitude | 15.14 (0.001) | 15.15 | 15.15 | ||||||
| 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.