All names: 2MASS J13114497-0805216, uvby98 680130908, L 905-20, WISEA J131144.99-080522.0, PG1309-078, GALEX J131145.1-080521, Gaia DR3 3628235887437668480, WISE J131145.00-080521.9, PG 1309-078, UCAC4 410-056475, UCAC2 28919221, Gaia DR2 3628235887437668480, TIC 134970021
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 13 11 44.86 | 13 11 44.98 (0.03) | ||
| Declination | -08 05 22.99 | -08 05 21.75 (0.02) | ||
| Spectral type | sdB+G8 | sdB | ||
| 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] | 1.24 (0.04) | 1.00 (0.04) | |
| Distance | [pc] | 803.41 (29) | 998.50 (35) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | 13.391 (0.09) | 13.462 (0.05) | |
| Proper motion (declination) | [mas/yr] | -32.953 (0.06) | -32.578 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 14.18 (0.03) | |||
| V magnitude | 14.11 (0.04) | |||
| R magnitude | 14.24 (0.1) | |||
| I magnitude | ||||
| J magnitude | 13.57 (0.03) | 13.57 (0.03) | ||
| H magnitude | 13.24 (0.03) | 13.24 (0.03) | ||
| K magnitude | 13.15 (0.03) | 13.15 (0.03) | ||
| u magnitude | ||||
| g magnitude | ||||
| r magnitude | ||||
| i magnitude | ||||
| z magnitude | ||||
| G magnitude | 14.04 (0.0007) | 14.01 (0.003) | ||
| BP magnitude | 14.06 (0.006) | |||
| RP magnitude | 13.88 (0.002) | |||
| Pan g magnitude | 14.05 (0.003) | |||
| Pan r magnitude | 14.14 (0.02) | |||
| Pan i magnitude | 14.21 (0.005) | |||
| Pan z magnitude | 14.26 (0.005) | |||
| Pan y magnitude | 14.28 (0.003) | |||
| E(B-V) | 0.026 | |||
* 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.