Extrasolar Planets Encyclopaedia

Short description: Astronomical database

The Extrasolar Planets Encyclopaedia

Home page, as seen on December 14, 2023

Type of site

| Astronomy
Owner| Paris Observatory
Created by| Jean Schneider
Website| {{{1}}}
Registration| none
Launched| February 1995
Current status| Active

Content license

| CC-BY 4.0[1]

The Extrasolar Planets Encyclopaedia[2][3][4][5][6] (also known as Encyclopaedia of exoplanetary systems and Catalogue of Exoplanets) is an astronomy website, founded in Paris, France at the Meudon Observatory by Jean Schneider in February 1995,[7][8] which maintains a database of all the currently known and candidate extrasolar planets, with individual pages for each planet and a full list interactive catalog spreadsheet. The main catalogue comprises databases of all of the currently confirmed extrasolar planets as well as a database of unconfirmed planet detections. The databases are frequently updated with new data from peer-reviewed publications and conferences.

In their respective pages, the planets are listed along with their basic properties, including the year of planet's discovery, mass, radius, orbital period, semi-major axis, eccentricity, inclination, longitude of periastron, time of periastron, maximum time variation, and time of transit, including all error range values.

The individual planet data pages also contain the data on the parent star, including name, distance in parsecs, spectral type, effective temperature, apparent magnitude, mass, radius, age, and celestial coordinates (Right Ascension and Declination). Even when they are known, not all of these figures are listed in the interactive spreadsheet catalog, and many missing planet figures that would simply require the application of Kepler's third law of motion are left blank. Most notably absent on all pages is a star's luminosity.

As of June 2011, the catalog includes objects up to 25 Jupiter masses,[9] an increase on the previous inclusion criteria of 20 Jupiter masses.[10] As of 2016 this limit was increased to 60 Jupiter masses[11] based on a study of mass–density relationships.[12]

## See also

* NASA Exoplanet Archive
* Exoplanet Data Explorer

## References

1. ↑ Martin, Pierre-Yves (1995). "Mentions Légales" (in en). Extrasolar Planets Encyclopaedia. https://exoplanet.eu/catalog_new/legal_notice/.
2. ↑ Pätzold, M.; Rauer, H. (2002). "Where Are the Massive Close-in Extrasolar Planets?". Astrophysical Journal Letters 568 (2): L117. doi:10.1086/339794. Bibcode: 2002ApJ...568L.117P.
3. ↑ Ida, S.; Lin, D. N. C. (2004). "Toward a Deterministic Model of Planetary Formation. I. A Desert in the Mass and Semimajor Axis Distributions of Extrasolar Planets". Astrophysical Journal 604 (1): 388–413. doi:10.1086/381724. Bibcode: 2004ApJ...604..388I.
4. ↑ Raymond, S. N.; Mandell, A. M.; Sigurdsson, S. (2006). "Exotic Earths: Forming Habitable Worlds with Giant Planet Migration". Science 313 (5792): 1413–6. doi:10.1126/science.1130461. PMID 16960000. Bibcode: 2006Sci...313.1413R.
5. ↑ Armstron, J. C.; Larson, S. L. (2007). "Specific Angular Momenta of Extrasolar Planetary Systems". Bulletin of the American Astronomical Society 38: 105. Bibcode: 2007AAS...210.0904A.
6. ↑ Stevenson, D. J. (2008). "A planetary perspective on the deep Earth". Nature 451 (7176): 261–5. doi:10.1038/nature06582. PMID 18202637. Bibcode: 2008Natur.451..261S.
7. ↑ Kirkland, K. (2010). Space and Astronomy: Notable Research and Discoveries. Frontiers of Science. Infobase Publishing. p. 29. ISBN 978-0-8160-7445-7.
8. ↑ Dvořák, R. (2008). Extrasolar Planets: Formation, Detection and Dynamics. Wiley-VCH. p. 57. ISBN 978-3-527-40671-5.
9. ↑ Schneider, J.; Dedieu, C.; Le Sidaner, P.; Savalle, R.; Zolotukhin, I. (2011). "Defining and Cataloging Exoplanets: The Exoplanet.eu Database". Astronomy & Astrophysics 532: A79. doi:10.1051/0004-6361/201116713. Bibcode: 2011A&A...532A..79S.
10. ↑ Matson, J. (29 November 2010). "How One Astronomer Became the Unofficial Exoplanet Record-Keeper". Scientific American. http://www.scientificamerican.com/article.cfm?id=exoplanet-catalogue.
11. ↑ Schneider, J. (2016). "III.8 Exoplanets versus brown dwarfs: The CoRoT view and the future". The CoRoT Legacy Book. p. 157. doi:10.1051/978-2-7598-1876-1.c038. ISBN 978-2-7598-1876-1.
12. ↑ Hatzes Heike Rauer, Artie P. (2015). "A Definition for Giant Planets Based on the Mass-Density Relationship". The Astrophysical Journal 810 (2): L25. doi:10.1088/2041-8205/810/2/L25. Bibcode: 2015ApJ...810L..25H.

## External links

* No URL found. Please specify a URL here or add one to Wikidata.

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Exoplanetology

* Planet
* Definition
* IAU
* Planetary science

Main topics|

* Exoplanet
* Methods of detecting exoplanets
* Planetary system

Sizes
and types|

| Terrestrial|

* Carbon planet
* Coreless planet
* Desert planet
* Dwarf planet
* Ice planet
* Iron planet
* Lava planet
* Mega-Earth
* Ocean planet
* Sub-Earth
* Super-Earth

|

Gaseous|

* Eccentric Jupiter
* Gas dwarf
* Helium planet
* Hot Jupiter
* Hot Neptune
* Ice giant
* Mini-Neptune
* Super-Neptune
* Super-Jupiter

Other types|

* Brown dwarf
* Chthonian planet
* Circumbinary planet
* Disrupted planet
* Double planet
* Eyeball planet
* Mesoplanet
* Planemo
* Planet/Brown dwarf boundary
* Planetesimal
* Protoplanet
* Pulsar planet
* Sub-brown dwarf
* Ultra-cool dwarf
* Ultra-short period planets (USP)

Formation
and evolution|

* Accretion
* Accretion disk
* Asteroid belt
* Circumplanetary disk
* Circumstellar disc
* Circumstellar envelope
* Cosmic dust
* Debris disk
* Detached object
* Disrupted planet
* Excretion disk
* Exoplanetary Circumstellar Environments and Disk Explorer
* Exozodiacal dust
* Extraterrestrial materials
* Extraterrestrial sample curation
* Giant-impact hypothesis
* Gravitational collapse
* Hills cloud
* Interplanetary dust cloud
* Interplanetary medium
* Interplanetary space
* Interstellar cloud
* Interstellar dust
* Interstellar medium
* Interstellar space
* Kuiper belt
* List of interstellar and circumstellar molecules
* Merging stars
* Molecular cloud
* Nebular hypothesis
* Oort cloud
* Outer space
* Planetary migration
* Planetary system
* Planetesimal
* Planet formation
* Protoplanetary disk
* Ring system
* Rubble pile
* Sample-return mission
* Scattered disc
* Star formation

Systems|

* Exocomet
* Exomoon
* Interstellar comet
* Mean-motion resonances
* Retrograde planet
* Rogue planet
* Tidally detached exomoon
* Titius–Bode laws
* Trojan planet

Host stars|

* A
* B
* Binary star
* Brown dwarfs
* Extragalactic planet
* F/Yellow-white dwarfs
* G/Yellow dwarfs
* Herbig Ae/Be
* K/Orange dwarfs
* M/Red dwarfs
* Planets in globular clusters
* Pulsar
* Red giant
* Subdwarf B
* Subgiant
* T Tauri
* White dwarfs
* Yellow giants

Detection|

* Astrometry
* Direct imaging
* list
* Microlensing
* list
* Polarimetry
* Pulsar timing
* list
* Radial velocity
* list
* Transit method
* list
* Transit-timing variation

Habitability|

* Astrobiology
* Circumstellar habitable zone
* Earth analog
* Extraterrestrial liquid water
* Habitability of natural satellites
* Superhabitable planet

Catalogues|

* Catalog of Nearby Habitable Systems
* Exoplanet Data Explorer
* Extrasolar Planets Encyclopaedia
* NASA Exoplanet Archive
* NASA Star and Exoplanet Database

Lists|

* Exoplanetary systems
* Host stars
* Multiplanetary systems
* Stars with proplyds
* Exoplanets
* Lists of exoplanets
* Discoveries
* Extremes
* Firsts
* Nearest
* Largest
* Most massive
* Terrestrial candidates
* Kepler
* Potentially habitable
* Discovered exoplanets by year
* before 2000
* 2000–2009
* 2010
* 2011
* 2012
* 2013
* 2014
* 2015
* 2016
* 2017
* 2018
* 2019

Other|

* Carl Sagan Institute
* Exoplanet phase curves
* Nexus for Exoplanet System Science
* Planets in science fiction
* Sudarsky's gas giant classification

* Discoveries of exoplanets
* Search projects

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