All names: 2MASS J13204437+0559013, SDSS J132044.38+055901.3, Gaia DR2 3717383603022961792, LAMOST J132044.38+055901.3, PG1318+062, PG 1318+062, SDSS J132044.39+055901.3, Gaia DR3 3717383603022961792, TIC 393670835
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 13 20 44.42 | 13 20 44.39 (0.04) | ||
| Declination | 05 59 01.20 | 05 59 01.34 (0.03) | ||
| Spectral type | He-sdO | sdOC9VIIHe39 | ||
| Effective temperature | [K] | 44560.0 (1040) | ||
| log(g) | [cgs] | 5.79 (0.2) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.52 (0.1) | 0.57 (0.05) | |
| Distance | [pc] | 1919.75 (351) | 1759.63 (143) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -13.845 (0.2) | -13.903 (0.06) | |
| Proper motion (declination) | [mas/yr] | 4.715 (0.07) | 4.621 (0.03) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 13.90 | |||
| V magnitude | 14.79 | |||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 15.37 (0.05) | 15.37 (0.05) | ||
| H magnitude | 15.50 (0.1) | 15.50 (0.1) | ||
| K magnitude | 15.37 | |||
| u magnitude | 14.06 (0.003) | 14.06 (0.003) | ||
| g magnitude | 14.46 (0.003) | 14.46 (0.003) | ||
| r magnitude | 14.97 (0.004) | 14.97 (0.004) | ||
| i magnitude | 15.34 (0.004) | 15.34 (0.004) | ||
| z magnitude | 15.68 (0.006) | 15.68 (0.006) | ||
| G magnitude | 14.74 (0.001) | 14.73 (0.003) | ||
| BP magnitude | 14.51 (0.007) | |||
| RP magnitude | 15.03 (0.003) | |||
| Pan g magnitude | 14.57 (0.002) | |||
| Pan r magnitude | 15.01 (0.006) | |||
| Pan i magnitude | 15.37 (0.004) | |||
| Pan z magnitude | 15.65 (0.002) | |||
| Pan y magnitude | 15.86 (0.005) | |||
| E(B-V) | 0.025 | |||
* 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.