# 齐增九

> star in the constellation Vulpecula

**Wikidata**: [Q11180213](https://www.wikidata.org/wiki/Q11180213)  
**Source**: https://4ort.xyz/entity/q11180213


## References

1. SIMBAD
2. Mk classifications for F and G-type stars. I
3. The Tycho-2 catalogue of the 2.5 million brightest stars
4. Gaia Data Release 2
5. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
6. The Geneva-Copenhagen survey of the Solar neighbourhood. II. New uvby calibrations and rediscussion of stellar ages, the G dwarf problem, age-metallicity diagram, and heating mechanisms of the disk
7. The Geneva-Copenhagen survey of the Solar neighbourhood. Ages, metallicities, and kinematic properties of ∼14 000 F and G dwarfs
8. Lithium abundance patterns of late-F stars: an in-depth analysis of the lithium desert
9. Catalogue of rotational velocities of the stars
10. A catalogue of stellar rotational velocities
11. Lithium depletion and rotation in main-sequence stars