All names: Gaia DR3 4425988095158283008, UCAC4 471-053141, LAMOST J154907.61+040257.5, TIC 272619676, Gaia DR2 4425988095158283008, SDSS J154907.62+040257.9, 2MASS J15490762+0402581
| Parameter | Unit | Simbad |
|---|---|---|
| Right ascension | 15 49 07.62 (7) | |
| Declination | 04 02 57.12 (6) | |
| Spectral type | DBA | |
| 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] | |
| Distance | [pc] | |
| Composition | ||
| Proper motion (right ascension) | [mas/yr] | -26.0 (7) |
| Proper motion (declination) | [mas/yr] | -30.9 (14) |
| Variability | ||
| Magnetic | ||
| Bd | [MG] | |
| Infrared excess (disk) | ||
| Binarity | ||
| B magnitude | ||
| V magnitude | ||
| R magnitude | 15.53 (0.2) | |
| I magnitude | ||
| J magnitude | 15.50 (0.05) | |
| H magnitude | 15.72 (0.1) | |
| K magnitude | 15.79 (0.2) | |
| u magnitude | 15.06 (0.005) | |
| g magnitude | 14.97 (0.004) | |
| r magnitude | 15.28 (0.005) | |
| i magnitude | 15.58 (0.005) | |
| z magnitude | 15.88 (0.007) | |
| G magnitude | 15.74 (0.006) | |
| 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.