All names: LAMOST J045446.14+415034.4, UCAC4 660-028340, Gaia DR2 201903461946408960, TIC 430384819, 2MASS J04544618+4150344, Gaia DR3 201903461946408960
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 04 54 46.13 | 04 54 46.19 (0.1) | |
| Declination | 41 50 34.36 | 41 50 34.42 (0.07) | |
| Spectral type | DA | DA | |
| Effective temperature | [K] | 29406.0 (497) | |
| log(g) | [cgs] | 6.74 (0.05) | |
| Mass | [M☉] | 0.28 (0.009) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 2.31 | 2.31 (0.1) |
| Distance | [pc] | 432.79 | 432.79 (21) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -42.757 (0.1) | |
| Proper motion (declination) | [mas/yr] | -3.737 (0.1) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 15.90 (0.07) | ||
| V magnitude | 16.05 (0.04) | ||
| R magnitude | |||
| I magnitude | |||
| J magnitude | 16.12 (0.1) | ||
| H magnitude | |||
| K magnitude | |||
| u magnitude | |||
| g magnitude | 15.88 (0.01) | ||
| r magnitude | 16.28 (0.06) | ||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 15.97 | 15.97 (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.