All names: USNO-B1.0 1451-00286490, 1923+550, LP 141-35, LSPM J1924+5506, Gaia DR2 2140241890760529408, Gaia EDR3 2140241959477555968, NLTT 47780
| Parameter | Unit | Gaia EDR3 | Leggett et al. 2018 | Simbad |
|---|---|---|---|---|
| Right ascension | 19 24 08.64 (0.3) | 19 24 09.62 (0.06) | ||
| Declination | 55 06 55.44 (0.3) | 55 06 48.48 (0.07) | ||
| Spectral type | DA5.3 | DA | ||
| Effective temperature | [K] | 9566.0 (281) | ||
| log(g) | [cgs] | 8.15 (0.06) | ||
| Mass | [M☉] | 0.692 (0.05) | ||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | 0.8440 (0.1) | ||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 11.22 (0.3) | 12.18 (0.5) | 11.02 (0.07) |
| Distance | [pc] | 89.15 (2) | 82.10 (4) | 90.72 (0.6) |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 30.30293198 (0.4) | 29.323 (0.1) | |
| Proper motion (declination) | [mas/yr] | 194.3828882 (0.4) | 194.566 (0.1) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 17.20 | |||
| V magnitude | ||||
| R magnitude | 16.90 | |||
| I magnitude | ||||
| J magnitude | ||||
| H magnitude | ||||
| K magnitude | ||||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 19.73 (0.2) | 17.14 (0.001) | ||
| BP magnitude | 21.49 (0.2) | |||
| RP magnitude | 18.21 (0.02) | |||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude |
* 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.