All names: Gaia DR3 4007192328116782976, Gaia DR2 4007192328116782976, LAMOST J115506.22+264924.59, Gaia EDR3 4007192328116782976, GALEX J115506.2+264924, SDSS J115506.22+264924.2, LAMOST J115506.22+264924.5
| Parameter | Unit | Gaia EDR3 | Stilism | Guo et al. 2015 | Zhao et al. 2013 | Vincent et al. 2024 | Simbad |
|---|---|---|---|---|---|---|---|
| Right ascension | 11 55 06.16 (0.06) | 11 55 06.22 | 11 55 06.16 | 11 55 06.25 (0.06) | |||
| Declination | 26 49 23.76 (0.04) | 26 49 24.59 | 26 49 23.76 | 26 49 24.42 (0.04) | |||
| Spectral type | DA | DA | DA2-3 | ||||
| Effective temperature | [K] | 16154.0 (436) | 17291.0 (679) | 15629.0 (322) | |||
| log(g) | [cgs] | 8.03 (0.09) | 8.47 (0.1) | 8.11 (0.02) | |||
| Mass | [M☉] | 0.63 (0.05) | 0.91 (0.08) | 0.68 (0.02) | |||
| log(Luminosity) | [L☉] | ||||||
| Cooling age | [Gyr] | 0.2850 (0.09) | |||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| Parallax | [mas] | 8.21 (0.07) | 8.21 | 8.21 (0.07) | |||
| Distance | [pc] | 121.73 (1) | 97.00 | 121.73 | 121.73 (1) | ||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -79.2 (0.07) | -79.2 (0.07) | ||||
| Proper motion (declination) | [mas/yr] | -41.48 (0.05) | -41.48 (0.05) | ||||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | |||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | |||||||
| H magnitude | |||||||
| K magnitude | |||||||
| u magnitude | 17.03 | 17.04 (0.02) | |||||
| g magnitude | 16.69 | 16.72 (0.02) | |||||
| r magnitude | 16.97 | 16.96 (0.01) | |||||
| i magnitude | 17.23 | 17.23 (0.02) | |||||
| z magnitude | 17.50 | 17.50 (0.03) | |||||
| G magnitude | 16.86 (0.003) | 16.86 | 16.86 (0.003) | ||||
| BP magnitude | 16.83 (0.008) | ||||||
| RP magnitude | 16.95 (0.007) | ||||||
| Pan g magnitude | |||||||
| Pan r magnitude | |||||||
| Pan i magnitude | |||||||
| Pan z magnitude | |||||||
| Pan y magnitude | |||||||
| E(B-V) | 0.003 | ||||||
* 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.