All names: SDSS J124320.13-081958.9, Gaia EDR3 3675275640574586752, GALEX J124320.2-081958, SDSS J124320.13-081959.0, Gaia DR2 3675275640573891328, Gaia DR3 3675275640574586752
| Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 43 20.12 (1) | 12 43 20.13 | 12 43 20.12 (3) | 12 43 20.13 (1) | 12 43 20.13 | |||
| Declination | -08 19 59.18 (0.6) | -08 19 59.09 | -08 19 59.18 (2) | -08 19 59.07 (0.6) | -08 19 58.97 | |||
| Spectral type | DA | DA | DA | |||||
| Effective temperature | [K] | 24454.0 (842) | ||||||
| log(g) | [cgs] | 7.93 (0.1) | ||||||
| Mass | [M☉] | 0.597 (0.06) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 1.66 (1) | 1.66 (1) | |||||
| Distance | [pc] | 603.53 (448) | 603.54 (448) | |||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -12.61821072 (1) | -12.618 (1) | |||||
| Proper motion (declination) | [mas/yr] | -6.626550759 (0.9) | -6.627 (0.9) | |||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | ||||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 20.28 (0.06) | 20.29 (0.06) | 20.29 (0.06) | |||||
| g magnitude | 20.28 (0.02) | 20.33 (0.02) | 20.33 (0.02) | |||||
| r magnitude | 20.66 (0.04) | 20.68 (0.04) | 20.68 (0.04) | |||||
| i magnitude | 20.99 (0.06) | 21.02 (0.06) | 21.02 (0.06) | |||||
| z magnitude | 21.82 (0.5) | 21.85 (0.5) | 21.85 (0.5) | |||||
| G magnitude | 20.49 (0.1) | 20.57 | 20.49 (0.008) | |||||
| BP magnitude | 20.41 (0.1) | 20.23 | ||||||
| RP magnitude | 20.17 (0.3) | 20.37 | ||||||
| Pan g magnitude | ||||||||
| Pan r magnitude | ||||||||
| Pan i magnitude | ||||||||
| Pan z magnitude | ||||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.024 | |||||||
* 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.