All names: 2QZ J115550.9+004602, SDSS J115550.79+004602.3, LSPM J1155+0046, Gaia DR3 3795336052559565056, GALEX J115550.7+004602, USNO-B1.0 0907-00207522, Gaia EDR3 3795336052559565056, Gaia DR2 3795336052559565056, SDSS J115550.78+004602.3
| Parameter | Unit | Gaia EDR3 | Stilism | Vincent et al. 2024 | Simbad | Vincent et al. 2023 |
|---|---|---|---|---|---|---|
| Right ascension | 11 55 50.62 (0.2) | 11 55 50.62 | 11 55 50.78 (0.2) | |||
| Declination | 00 46 01.64 (0.1) | 00 46 01.64 | 00 46 02.30 (0.1) | |||
| Spectral type | DA | DC | DC | |||
| Effective temperature | [K] | 6530.0 (151) | ||||
| log(g) | [cgs] | 7.66 (0.05) | ||||
| Mass | [M☉] | 0.411 (0.03) | ||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 8.71 (0.2) | 8.71 | 8.71 (0.2) | ||
| Distance | [pc] | 114.81 (2) | 114.81 | 114.81 (2) | ||
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -147.087 (0.2) | -147.087 (0.2) | |||
| Proper motion (declination) | [mas/yr] | -41.285 (0.1) | -41.285 (0.1) | |||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 18.30 | |||||
| V magnitude | ||||||
| R magnitude | 19.30 | |||||
| I magnitude | ||||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 19.46 (0.02) | |||||
| g magnitude | 18.83 (0.008) | |||||
| r magnitude | 18.51 (0.008) | |||||
| i magnitude | 18.43 (0.01) | |||||
| z magnitude | 18.44 (0.03) | |||||
| G magnitude | 18.54 (0.003) | 18.54 | 18.54 (0.003) | |||
| BP magnitude | 18.79 (0.02) | |||||
| RP magnitude | 18.17 (0.02) | |||||
| Pan g magnitude | ||||||
| Pan r magnitude | ||||||
| Pan i magnitude | ||||||
| Pan z magnitude | ||||||
| Pan y magnitude | ||||||
| E(B-V) | 0.007 | |||||
* 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.