All names: LAMOST J042955.26+344734.3, Gaia EDR3 173280902235344640, Gaia DR2 173280902235344640, GALEX J042955.2+344735, Gaia DR3 173280902235344640
| Parameter | Unit | Gaia EDR3 | Stilism | Guo et al. 2015 | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 04 29 55.31 (0.08) | 04 29 55.31 | 04 29 55.29 (0.08) | |||
| Declination | 34 47 34.06 (0.06) | 34 47 34.06 | 34 47 34.68 (0.06) | |||
| Spectral type | DA | DA | DA | |||
| Effective temperature | [K] | 31091.0 (261) | ||||
| log(g) | [cgs] | 7.41 (0.06) | ||||
| Mass | [M☉] | 0.41 (0.02) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 4.24 (0.1) | 4.24 | 4.24 (0.1) | ||
| Distance | [pc] | 235.87 (6) | 235.87 | 235.87 (6) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | 14.116 (0.1) | 14.116 (0.1) | |||
| Proper motion (declination) | [mas/yr] | -38.478 (0.08) | -38.478 (0.08) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | ||||||
| V magnitude | ||||||
| R magnitude | ||||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 17.01 (0.004) | 17.01 | 17.01 (0.004) | |||
| BP magnitude | 17.23 (0.007) | |||||
| RP magnitude | 16.53 (0.01) | |||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.220 | |||||
* 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.