All names: SDSS J024323.23+275045.3, Gaia DR2 127116566512589824, SDSS J024323.23+275045.4, SDSS J024323.23+275045.5, Gaia DR3 127116566512589824, Gaia EDR3 127116566512589824
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|
| Right ascension | 02 43 23.23 (0.4) | 02 43 23.23 | 02 43 23.23 (0.5) | 02 43 23.23 (0.4) | 02 43 23.23 | ||
| Declination | 27 50 45.41 (0.3) | 27 50 45.39 | 27 50 45.41 (0.5) | 27 50 45.46 (0.3) | 27 50 45.49 | ||
| Spectral type | sdO | DO | |||||
| Effective temperature | [K] | 73900.0 (11486) | |||||
| log(g) | [cgs] | 5.77 (0.4) | |||||
| Mass | [M☉] | ||||||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | ||||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | -0.57 (0.5) | -0.45 (0.6) | ||||
| Distance | [pc] | ||||||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | 1.750474802 (0.7) | 1.364924571 (1) | 1.75 (0.7) | |||
| Proper motion (declination) | [mas/yr] | -3.071196346 (0.5) | -3.468643902 (1) | -3.071 (0.5) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | |||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | |||||||
| H magnitude | |||||||
| K magnitude | |||||||
| u magnitude | 19.20 (0.02) | 19.20 (0.03) | 19.19 (0.03) | ||||
| g magnitude | 19.45 (0.01) | 19.45 (0.01) | 19.50 (0.02) | ||||
| r magnitude | 19.73 (0.02) | 19.73 (0.02) | 19.83 (0.02) | ||||
| i magnitude | 20.04 (0.04) | 20.04 (0.04) | 20.06 (0.03) | ||||
| z magnitude | 20.42 (0.2) | 20.42 (0.2) | 20.42 (0.1) | ||||
| G magnitude | 19.64 (0.08) | 19.70 | 19.64 (0.007) | ||||
| BP magnitude | 19.44 (0.08) | 19.32 | |||||
| RP magnitude | 19.76 (0.09) | 19.77 | |||||
| Pan g magnitude | 19.57 (0.02) | ||||||
| Pan r magnitude | 19.82 (0.02) | ||||||
| Pan i magnitude | 20.05 (0.01) | ||||||
| Pan z magnitude | 20.27 (0.03) | ||||||
| Pan y magnitude | 20.01 (0.06) | ||||||
| E(B-V) | |||||||
* 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.