# Kepler-409

> star in the constellation Cygnus

**Wikidata**: [Q21655418](https://www.wikidata.org/wiki/Q21655418)  
**Source**: https://4ort.xyz/entity/kepler-409


## References

1. SIMBAD
2. Activity indicators and stellar parameters of the Kepler targets. An application of the ROTFIT pipeline to LAMOST-Kepler stellar spectra.
3. Extrasolar Planets Encyclopaedia
4. Rotation and magnetism of Kepler pulsating solar-like stars
5. Inferring probabilistic stellar rotation periods using Gaussian processes
6. The Tycho-2 catalogue of the 2.5 million brightest stars
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. Kepler Input Catalog
9. Gaia Early Data Release 3
10. Fourth USNO CCD Astrograph Catalog
11. Gaia Data Release 2
12. Masses, radii, and orbits of small Kepler planets: the transition from gaseous to rocky planets
13. APOGEE Data and Spectral Analysis from SDSS Data Release 16: Seven Years of Observations Including First Results from APOGEE-South
14. Source
15. The First APOKASC Catalog of Kepler Dwarf and Subgiant Stars
16. The California-Kepler Survey. I. High-resolution Spectroscopy of 1305 Stars Hosting Kepler Transiting Planets