All names: CPD-40 2185, CD-40 3927, ALS 982, 2MASS J08103171-4032469, Gaia EDR3 5539780553619327360, CD-403927, LS 982, TYC 7664-1961-1, Gaia DR2 5539780553619327360, Gaia DR3 5539780553619327360, TIC 134637308, UCAC4 248-025154
| Parameter | Unit | Gaia EDR3 | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|---|
| Right ascension | 08 10 31.75 (0.04) | 08 10 31.68 | 08 10 31.72 (0.04) | ||
| Declination | -40 32 47.67 (0.04) | -40 32 46.51 | -40 32 47.05 (0.04) | ||
| Spectral type | sdO | sdO | |||
| 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] | 2.76 (0.04) | 2.78 (0.05) | 2.76 (0.04) | |
| Distance | [pc] | 362.92 (6) | 359.66 (7) | 362.92 (6) | |
| Composition | |||||
| Proper motion (right ascension) | [mas/yr] | 26.571 (0.05) | 26.345 (0.08) | 26.571 (0.05) | |
| Proper motion (declination) | [mas/yr] | -38.252 (0.05) | -38.226 (0.09) | -38.252 (0.05) | |
| Variability | |||||
| Magnetic | |||||
| Bd | [MG] | ||||
| Infrared excess (disk) | |||||
| Binarity | |||||
| B magnitude | 11.95 (0.02) | ||||
| V magnitude | 12.23 (0.04) | ||||
| R magnitude | 12.51 (0.07) | ||||
| I magnitude | |||||
| J magnitude | 12.93 (0.03) | 12.93 (0.03) | |||
| H magnitude | 13.15 (0.03) | 13.15 (0.03) | |||
| K magnitude | 13.21 (0.04) | 13.21 (0.04) | |||
| u magnitude | |||||
| g magnitude | 11.97 (0.01) | ||||
| r magnitude | 12.47 (0.02) | ||||
| i magnitude | 12.90 (0.06) | ||||
| z magnitude | |||||
| G magnitude | 12.18 (0.003) | 12.20 (0.0007) | 12.18 (0.003) | ||
| BP magnitude | 12.01 (0.003) | 11.94 (0.005) | |||
| RP magnitude | 12.52 (0.004) | 12.52 (0.002) | |||
| Pan g magnitude | |||||
| Pan r magnitude | |||||
| Pan i magnitude | |||||
| Pan z magnitude | |||||
| Pan y magnitude | |||||
| E(B-V) | 0.021 | ||||
* 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.