# Kepler-209
**Wikidata**: [Q86843972](https://www.wikidata.org/wiki/Q86843972)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Kepler-209)  
**Source**: https://4ort.xyz/entity/kepler-209


## 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 periods, variability properties and ages for Kepler exoplanet candidate host stars
5. Photometric amplitude distribution of stellar rotation of KOIs--Indication for spin-orbit alignment of cool stars and high obliquity for hot stars
6. Inferring probabilistic stellar rotation periods using Gaussian processes
7. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
8. Gaia Early Data Release 3
9. Fourth USNO CCD Astrograph Catalog
10. Gaia Data Release 2
11. APOGEE Data and Spectral Analysis from SDSS Data Release 16: Seven Years of Observations Including First Results from APOGEE-South
12. Source
13. The California-Kepler Survey. I. High-resolution Spectroscopy of 1305 Stars Hosting Kepler Transiting Planets