All names: GALEX J145447.8+001551, Gaia DR3 3651166064996059008, LAMOST J145447.77+001551.5, TIC 392920265, 2MASS J14544778+0015515, Gaia DR2 3651166064996059008
| Parameter | Unit | Stilism | Guo et al. 2015 | Simbad |
|---|---|---|---|---|
| Right ascension | 14 54 47.78 (0.03) | |||
| Declination | 00 15 51.52 (0.03) | |||
| Spectral type | DA? | DA | ||
| Effective temperature | [K] | 31665.0 (643) | ||
| log(g) | [cgs] | 7.27 (0.2) | ||
| Mass | [M☉] | 0.38 (0.03) | ||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.21 (0.04) | ||
| Distance | [pc] | 4849.66 (856) | ||
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -6.178 (0.04) | ||
| Proper motion (declination) | [mas/yr] | -4.869 (0.05) | ||
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | ||||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 14.93 (0.05) | |||
| H magnitude | 14.73 (0.06) | |||
| K magnitude | 14.64 (0.1) | |||
| u magnitude | 16.84 | |||
| g magnitude | 15.83 | |||
| r magnitude | 15.67 | |||
| i magnitude | 15.60 | |||
| z magnitude | ||||
| G magnitude | 15.62 (0.003) | |||
| BP magnitude | ||||
| RP magnitude | ||||
| Pan g magnitude | ||||
| Pan r magnitude | ||||
| Pan i magnitude | ||||
| Pan z magnitude | ||||
| Pan y magnitude | ||||
| E(B-V) | 0.044 | |||
* 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.