Open Exoplanet Catalogue

Short description: Catalogue of exoplanets

Number of exoplanets classified by method of discovery

The Open Exoplanet Catalogue is a catalogue of all discovered extra-solar planets. It is a new kind of astronomical database decentralized and completely open.[1][2][3]

It is considered one of the four exoplanet catalogues most widely used, together with the Extrasolar Planets Encyclopaedia, the NASA Exoplanet Archive, and the Exoplanet Data Explorer.[4]

In 2012, Hanno Rein presented a new kind of astronomical database based on small text files and a distributed version control system.[5]

In 2016, Ryan Varley presented ExoData, Python interface and exploratory analysis tool for the Open Exoplanet Catalogue.[6]

## Statistics

As of October 2020, the Open Exoplanet Catalogue has the following statistics:

Number of confirmed exoplanets  | 4319

|

Total number of planets (including Solar System objects and unconfirmed exoplanets)  | 4441
Number of planetary systems  | 3261
Number of binary systems  | 159
Number of commits  | 19312

## References

1. ↑ "Open Exoplanet Catalogue". http://www.openexoplanetcatalogue.com/.
2. ↑ Perkel, Jeffrey (2016-10-06). "Democratic databases: science on GitHub" (in en). Nature News 538 (7623): 127–128. doi:10.1038/538127a. PMID 27708327. Bibcode: 2016Natur.538..127P.
3. ↑ Alei, E.; Claudi, R.; Bignamini, A.; Molinaro, M. (2020-04-01). "Exo-MerCat: A merged exoplanet catalog with Virtual Observatory connection" (in en). Astronomy and Computing 31: 100370. doi:10.1016/j.ascom.2020.100370. ISSN 2213-1337. Bibcode: 2020A&C....3100370A. http://www.sciencedirect.com/science/article/pii/S221313371930109X.
4. ↑ Bashi, Dolev; Helled, Ravit; Zucker, Shay (2018-08-29). "A Quantitative Comparison of Exoplanet Catalogs". Geosciences 8 (9): 325. doi:10.3390/geosciences8090325. ISSN 2076-3263. Bibcode: 2018Geosc...8..325B.
5. ↑ Rein, Hanno (2012-12-04). "A proposal for community driven and decentralized astronomical databases and the Open Exoplanet Catalogue". arXiv:1211.7121 [astro-ph.EP].
6. ↑ Varley, Ryan (2016-10-01). "ExoData: A Python package to handle large exoplanet catalogue data" (in en). Computer Physics Communications 207: 298–309. doi:10.1016/j.cpc.2016.05.009. ISSN 0010-4655. Bibcode: 2016CoPhC.207..298V. https://www.sciencedirect.com/science/article/pii/S0010465516301254.

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