All names: LB 249, TIC 157265566, LAMOST J131249.50+543244.7, PG 1310+548, SBSS 1310+548, Gaia DR3 1564081030251770752, Gaia DR2 1564081030251770752, PG1310+548, 2MASS J13124954+5432447, SDSS J131249.50+543244.7
| Parameter | Unit | Geier 2020 | Stilism | Simbad |
|---|---|---|---|---|
| Right ascension | 13 12 49.55 | 13 12 49.51 (0.03) | ||
| Declination | 54 32 44.59 | 54 32 44.74 (0.03) | ||
| Spectral type | sdOB | sdBO | ||
| Effective temperature | [K] | 35451.0 (316) | ||
| log(g) | [cgs] | 5.96 (0.06) | ||
| Mass | [M☉] | |||
| log(Luminosity) | [L☉] | |||
| Cooling age | [Gyr] | |||
| log(H/He) | ||||
| log(C/He) | ||||
| log(Ca/He) | ||||
| log(Ca/H) | ||||
| Parallax | [mas] | 0.30 (0.05) | 0.41 (0.04) | |
| Distance | [pc] | 3294.89 (538) | 2457.61 (228) | |
| Composition | ||||
| Proper motion (right ascension) | [mas/yr] | -11.946 (0.07) | -11.897 (0.03) | |
| Proper motion (declination) | [mas/yr] | 0.279 (0.07) | 0.203 (0.04) | |
| Variability | ||||
| Magnetic | ||||
| Bd | [MG] | |||
| Infrared excess (disk) | ||||
| Binarity | ||||
| B magnitude | 15.77 | |||
| V magnitude | ||||
| R magnitude | ||||
| I magnitude | ||||
| J magnitude | 16.54 (0.1) | 16.54 (0.1) | ||
| H magnitude | 16.21 | |||
| K magnitude | 16.66 | |||
| u magnitude | 15.52 (0.005) | 15.51 (0.01) | ||
| g magnitude | 15.59 (0.003) | 15.62 (0.01) | ||
| r magnitude | 16.05 (0.004) | 16.05 (0.02) | ||
| i magnitude | 16.38 (0.004) | 16.36 (0.02) | ||
| z magnitude | 16.68 (0.01) | 16.68 (0.02) | ||
| G magnitude | 15.84 (0.001) | 15.82 (0.003) | ||
| BP magnitude | 15.65 (0.008) | |||
| RP magnitude | 16.04 (0.004) | |||
| Pan g magnitude | 15.66 (0.003) | |||
| Pan r magnitude | 16.06 (0.005) | |||
| Pan i magnitude | 16.38 (0.003) | |||
| Pan z magnitude | 16.66 (0.005) | |||
| Pan y magnitude | 16.81 (0.007) | |||
| E(B-V) | 0.019 | |||
* 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.