All names: LAMOST J015501.58+335424.9, Gaia DR2 305844144407156864, Gaia DR3 305844144407156864, SDSS J015501.58+335424.9, GALEX J015501.6+335425
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 01 55 01.56 | 01 55 01.59 (0.2) | |
| Declination | 33 54 24.78 | 33 54 24.72 (0.2) | |
| Spectral type | DA | DA | |
| Effective temperature | [K] | 9011.0 (420) | |
| log(g) | [cgs] | 7.82 (0.1) | |
| Mass | [M☉] | 0.495 (0.07) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 6.67 | 6.67 (0.2) |
| Distance | [pc] | 149.91 | 149.90 (5) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -21.012 (0.3) | |
| Proper motion (declination) | [mas/yr] | 3.199 (0.2) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | |||
| V magnitude | |||
| R magnitude | |||
| I magnitude | |||
| J magnitude | |||
| H magnitude | |||
| K magnitude | |||
| u magnitude | 18.71 (0.03) | ||
| g magnitude | 18.11 (0.006) | ||
| r magnitude | 18.05 (0.008) | ||
| i magnitude | 18.12 (0.01) | ||
| z magnitude | 18.26 (0.04) | ||
| G magnitude | 18.44 | 18.44 (0.004) | |
| 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.