All names: 2MASS J04085021+4050211, Gaia DR2 227332898155482880, Gaia DR3 227332898155482880, TIC 353261208, LAMOST J040850.21+405021.1
| Parameter | Unit | Guo et al. 2015 | Simbad |
|---|---|---|---|
| Right ascension | 04 08 50.22 (0.02) | ||
| Declination | 40 50 21.20 (0.01) | ||
| Spectral type | DA+M? | DA+M? | |
| Effective temperature | [K] | ||
| log(g) | [cgs] | ||
| Mass | [M☉] | ||
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 0.26 (0.02) | |
| Distance | [pc] | 3799.39 (310) | |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | 0.553 (0.02) | |
| Proper motion (declination) | [mas/yr] | -0.779 (0.02) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | 11.53 (0.03) | ||
| H magnitude | 10.68 (0.03) | ||
| K magnitude | 10.43 (0.02) | ||
| u magnitude | |||
| g magnitude | |||
| r magnitude | |||
| i magnitude | |||
| z magnitude | |||
| G magnitude | 14.37 (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.