# KOI-877

> star in the constellation Cygnus

**Wikidata**: [Q4042005](https://www.wikidata.org/wiki/Q4042005)  
**Source**: https://4ort.xyz/entity/koi-877


## References

1. SIMBAD
2. Characterizing the cool Kepler objects of interests. New effective temperatures, metallicities, masses, and radii of low-mass Kepler planet-candidate host stars
3. Extrasolar Planets Encyclopaedia
4. Photometric amplitude distribution of stellar rotation of KOIs--Indication for spin-orbit alignment of cool stars and high obliquity for hot stars
5. Stellar rotation periods of the Kepler Objects of Interest: a dearth of close-in planets around fast rotators
6. Rotation and differential rotation of active Kepler stars
7. Rotation periods, variability properties and ages for Kepler exoplanet candidate host stars
8. VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
9. Gaia Early Data Release 3
10. Fourth USNO CCD Astrograph Catalog
11. Gaia Data Release 2
12. APOGEE Data and Spectral Analysis from SDSS Data Release 16: Seven Years of Observations Including First Results from APOGEE-South
13. The Kepler Follow-up Observation Program. II. Stellar Parameters from Medium- and High-resolution Spectroscopy
14. Spectro-thermometry of M dwarfs and their candidate planets: too hot, too cool, or just right?
15. The Influence of 10 Unique Chemical Elements in Shaping the Distribution of Kepler Planets
16. Validation of Kepler's multiple planet candidates. III. Light curve analysis and announcement of hundreds of new multi-planet systems