All names: PG 1547+476, UCAC2 47645730, UCAC4 688-057319, SDSS J154843.30+472936.2, Gaia DR3 1398328209255618432, 2MASS J15484331+4729358, GALEX J154843.4+472937, TIC 156073827, Gaia DR2 1398328209255618432
| Parameter | Unit | Vincent et al. 2024 | Simbad |
|---|---|---|---|
| Right ascension | 15 48 43.29 | 15 48 43.31 (0.03) | |
| Declination | 47 29 35.98 | 47 29 36.11 (0.04) | |
| Spectral type | DA | DOA | |
| Effective temperature | [K] | 34153.0 (874) | |
| log(g) | [cgs] | 7.57 (0.02) | |
| Mass | [M☉] | 0.464 (0.01) | |
| log(Luminosity) | [L☉] | ||
| Cooling age | [Gyr] | ||
| log(H/He) | |||
| log(C/He) | |||
| log(Ca/He) | |||
| log(Ca/H) | |||
| Parallax | [mas] | 4.91 | 4.91 (0.04) |
| Distance | [pc] | 203.67 | 203.67 (2) |
| Composition | |||
| Proper motion (right ascension) | [mas/yr] | -12.502 (0.04) | |
| Proper motion (declination) | [mas/yr] | -7.93 (0.05) | |
| Variability | |||
| Magnetic | |||
| Bd | [MG] | ||
| Infrared excess (disk) | |||
| Binarity | |||
| B magnitude | 15.37 (0.01) | ||
| V magnitude | 15.54 (0.01) | ||
| R magnitude | 15.89 (0.3) | ||
| I magnitude | |||
| J magnitude | 16.34 (0.1) | ||
| H magnitude | 16.17 (0.2) | ||
| K magnitude | 16.04 (0.3) | ||
| u magnitude | 15.01 (0.02) | ||
| g magnitude | 15.32 (0.02) | ||
| r magnitude | 15.78 (0.01) | ||
| i magnitude | 16.14 (0.02) | ||
| z magnitude | 16.51 (0.02) | ||
| G magnitude | 15.54 | 15.54 (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.