All names: LAMOST J075718.89+142051.6, TIC 18997591, SDSS J075718.93+142053.1, Gaia DR2 654473576196658816, Gaia DR3 654473576196658816, LAMOST J075718.94+142052.7, 2MASS J07571891+1420537
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 07 57 18.96 | 07 57 18.92 (0.06) | |
| Declination | 14 20 52.36 | 14 20 53.57 (0.04) | |
| Spectral type | DA | DA | |
| Effective temperature | [K] | 15243.0 (283) | |
| log(g) | [cgs] | 7.44 (0.02) | |
| Mass | [M☉] | 0.354 (0.009) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 7.26 | 7.26 (0.07) |
| Distance | [pc] | 137.69 | 137.69 (1) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 34.778 (0.07) | |
| Proper motion (declination) | [mas/yr] | -75.468 (0.05) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | 16.56 (0.2) | ||
| H magnitude | 15.92 (0.2) | ||
| K magnitude | |||
| u magnitude | 16.44 (0.02) | ||
| g magnitude | 16.10 (0.01) | ||
| r magnitude | 16.30 (0.01) | ||
| i magnitude | 16.55 (0.02) | ||
| z magnitude | 16.82 (0.02) | ||
| G magnitude | 16.19 | 16.19 (0.003) | |
| BP magnitude | |||
| RP magnitude | |||
| Pan g magnitude | |||
| Pan r magnitude | |||
| Pan i magnitude | |||
| Pan z magnitude | |||
| Pan y magnitude | |||
| 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.