# AP Herculis
**Wikidata**: [Q88481348](https://www.wikidata.org/wiki/Q88481348)  
**Source**: https://4ort.xyz/entity/ap-herculis


## References

1. SIMBAD
2. VizieR
3. Spectrographic and photometric observations of some stars from the Luminous Stars in the Northern Milky Way I and II catalogues
4. General Catalogue of Variable Stars, 3rd ed.
5. The Tycho-2 catalogue of the 2.5 million brightest stars
6. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
7. Catalog of Galactic OB Stars
8. Gaia Early Data Release 3
9. Gaia Data Release 2