NASA Exoplanet Archive

Short description: Online astronomical exoplanet catalog and data service

NASA Exoplanet Archive

Type of site

| Astronomy
Created by| Operated for NASA by NExScI at Caltech
Website| exoplanetarchive.ipac.caltech.edu
Current status| Active

The NASA Exoplanet Archive (NEA[1][2]) is an online astronomical exoplanet catalog and data service that collects and serves public data that support the search for and characterization of extra-solar planets (exoplanets) and their host stars. It is part of the Infrared Processing and Analysis Center and is on the campus of the California Institute of Technology (Caltech) in Pasadena, CA. The archive is funded by NASA and was launched in early December 2011 by the NASA Exoplanet Science Institute as part of NASA's Exoplanet Exploration Program. As of 1 January 2020, the archive lists 4,160 confirmed exoplanets in its collection.

The archive's data include published light curves, images, spectra and parameters, and time-series data from surveys that aim to discover transiting exoplanets. The archive also develops Web-based tools and services to work with the data, particularly the display and analysis of transit data sets from the Kepler mission and COnvection ROtation and planetary Transits (CoRoT) mission, for which the Exoplanet Archive is the U.S. data portal. Other astronomical surveys and telescopes that have contributed data sets to the archive include SuperWASP, HATNet Project, XO, Trans-Atlantic Exoplanet Survey and KELT.

According to third-party web analytics provider SimilarWeb, the company's website has over 130,000 visits per month, as of January 2015.[3]

## Contents

* 1 Exoplanet Data Content
* 2 Exoplanet Archive Tools and Services
* 3 Transit Survey Data in the Exoplanet Archive
* 4 See also
* 5 References
* 6 External links

## Exoplanet Data Content

The Exoplanet Archive contains objects discovered through all methods (radial velocity, transits, microlensing, imaging, astrometry, eclipse timing variations, and transit timing variations/TTV) that have publicly available planetary parameters, with a mass (or minimum mass) equal to or less than 30 Jupiter masses.[4]

## Exoplanet Archive Tools and Services

Exoplanet detections per year as of June 2022[5]

In addition to providing access to large public data sets, the Exoplanet Archive has developed several tools to work with exoplanet and stellar host data.[6]

* Interactive Visualizers for Planet Parameters: These interactive tables display data for confirmed planets, Kepler Objects of Interest (KOIs), Threshold-Crossing Events (TCEs) and target stellar data that users can filter, sort and download or export to other Exoplanet Archive services, such as light curve visualization for the Kepler stars.
* Kepler Light Curve Viewer: Interactive display of user-selected quarters for a single Kepler target. Any column from the light curve file can be plotted with or without normalization and sent to the periodogram or phase tool.
* Periodogram Service: This tool calculates the periodogram of time series data from the archive or a file uploaded by the user. The service supports three algorithms: Lomb-Scargle periodogram, Box-fitting Least Squares (BLS) and Plavchan. Phased light curves for the most significant periods are also available.
* Transit and Ephemeris Calculations: This service returns an ephemeris of the times of transit of the exoplanet across its host star. Optionally, for a given longitude and latitude or observatory, the service tabulates times of transit at that location and can calculate the time for secondary transits or other phase points in the orbit.
* Application Program Interface (API): This service allows a user access to the contents of the exoplanet and host star table and the Kepler candidate table via a URL or command-line-based query.
* Pre-generated Plots: Ready-made plots that provide the community with fast access to presentation material that describe the current state of the exoplanets field in terms of their number and our understanding of their orbital and physical characteristics.
* EXOFAST Transit and Radial Velocity Fitting Tool: An important fitting tool for astronomers who want to use transit light curves or radial velocity data and various inputs to create models of planet systems. This web service is based on the original code by Jason Eastman.[7]

## Transit Survey Data in the Exoplanet Archive

The Exoplanet Archive serves photometric time-series data from surveys that aim to discover transiting exoplanets, such as the Kepler Mission and CoRoT. The database provides access to over 22 million light curves from space and ground-based exoplanet transit survey programs, including:

* Kepler and K2 Public Survey Data
* CoRoT Exoplanet Survey data
* CoRoT Asteroseismology data
* HATNet Survey data
* XO Survey data
* TrES Survey data
* KELT Survey data
* SuperWASP light curves
* UKIRT Microlensing Survey data

The Exoplanet Archive offers search and filtering capabilities for exoplanet stellar and planetary properties, Kepler planetary candidates, and time series data sets. All data in the Exoplanet Archive are vetted by a team of astronomers and the original literature references are available.

The Exoplanet Archive supports interactive visualization of images, spectra, and time series data and maintains its own stellar cross-identification to minimize ambiguity in multiple star components.

## See also

* Exoplanet Data Explorer
* Exoplanet
* List of Exoplanets
* Extrasolar Planets Encyclopaedia
* Star
* ExoKyoto
* Open Exoplanet Catalogue
* List of astronomy websites

## References

1. ↑ "NASA Exoplanet Archive Frequently Asked Questions". https://exoplanetarchive.ipac.caltech.edu/docs/faq.html.
2. ↑ Christiansen, Jessie L.; McElroy, Douglas L.; Harbut, Marcy; Ciardi, David R.; Crane, Megan; Good, John; Hardegree-Ullman, Kevin K.; Kesseli, Aurora Y. et al. (2025). "The NASA Exoplanet Archive and Exoplanet Follow-up Observing Program: Data, Tools, and Usage". The Planetary Science Journal 6 (8). doi:10.3847/PSJ/ade3c2. Bibcode: 2025PSJ.....6..186C.
3. ↑ "Exoplanetarchive.ipac.caltech.edu Analytics" SimilarWeb. Retrieved 2015-7-11.
4. ↑ Exoplanet Criteria for Inclusion in the Archive, NASA Exoplanet Archive
5. ↑ "Pre-generated Exoplanet Plots". NASA Exoplanet Archive. https://exoplanetarchive.ipac.caltech.edu/exoplanetplots/.
6. ↑ "The NASA Exoplanet Archive: Data and Tools for Exoplanet Research," Publications of the Astronomical Society of the Pacific, Akeson et al. 2013.
7. ↑ "EXOFAST: A Fast Exoplanetary Fitting Suite in IDL," Publications of the Astronomical Society of Pacific, Eastman, Gaudi & Agol 2013

## External links

* NASA Exoplanet Archive - Home
* NASA Exoplanet Archive - Confirmed Planets Interactive Table
* The NASA Exoplanet Archive: Data and Tools for Exoplanet Research \- Publications of the Astronomical Society of the Pacific
* NASA Exoplanet Science Institute
* Planet Hunters
* Infrared Processing and Analysis Center
* NASA Exoplanet Exploration Program
* California Institute of Technology

* v
* t
* e

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

* v
* t
* e

NASA

Policy and history|

| History|

* NACA (1915)
* National Aeronautics and Space Act (1958)
* Space Task Group (1958)
* Paine (1986)
* Rogers (1986)
* Ride (1987)
* Space Exploration Initiative (1989)
* Augustine (1990)
* U.S. National Space Policy (1996)
* CFUSAI (2002)
* CAIB (2003)
* Vision for Space Exploration (2004)
* Aldridge (2004)
* Augustine (2009)

|

General|

* Space Race
* Administrator and Deputy Administrator
* Chief Scientist
* Astronaut Corps
* Ranks and positions
* Chief
* Budget
* Spin-off technologies
* NASA TV
* NASA Social
* Launch Services Program
* Mercury Control Center
* Kennedy Space Center
* Vehicle Assembly Building
* Launch Complex 39
* Launch Control Center
* Operations and Checkout Building
* Johnson Space Center
* Mission Control
* Lunar Sample Laboratory

Robotic programs|

| Past|

* Hitchhiker
* Mariner
* Mariner Mark II
* MESUR
* Mars Surveyor '98
* New Millennium
* Lunar Orbiter
* Pioneer
* Planetary Observer
* Ranger
* Surveyor
* Viking
* Project Prometheus
* Mars Scout
* Mars Exploration Rover

|

Current|

* Living With a Star
* Lunar Precursor Robotic Program
* Earth Observing System
* Great Observatories program
* Explorer
* Small explorer
* Voyager
* Discovery
* New Frontiers
* Solar Terrestrial Probes
* Commercial Lunar Payload Services

Human spaceflight
programs|

| Past|

* X-15 (suborbital)
* Mercury
* Gemini
* Apollo
* Apollo–Soyuz Test Project (with the Soviet space program)
* Skylab
* Space Shuttle
* Shuttle–Mir (with Roscosmos State Corporation)
* Constellation

|

Current|

* International Space Station
* Commercial Orbital Transportation Services
* Commercial Crew Development
* Orion
* Artemis
* Lunar Gateway

Individual featured
missions
(human and robotic)|

| Past|

* COBE
* Mercury 3
* Mercury-Atlas 6
* Magellan
* Pioneer 10
* Pioneer 11
* Galileo
* GALEX
* GRAIL
* WMAP
* Space Shuttle
* Sojourner rover
* Spirit rover
* LADEE
* MESSENGER
* Aquarius
* Cassini
* Dawn
* Kepler space telescope
* Opportunity rover
* RHESSI
* observed

|

Currently
operating|

* Mars Reconnaissance Orbiter
* 2001 Mars Odyssey
* New Horizons
* International Space Station
* Hubble Space Telescope
* Spitzer
* Swift
* THEMIS
* Mars Exploration Rover
* Curiosity rover
* timeline
* InSight
* GOES 14
* Lunar Reconnaissance Orbiter
* GOES 15
* Van Allen Probes
* Solar Dynamics Observatory
* Juno
* Mars Science Laboratory
* timeline
* NuSTAR
* Voyager 1
* Voyager 2
* WISE
* MAVEN
* MMS
* OSIRIS-REx
* Transiting Exoplanet Survey Satellite

Future|

* Joint Polar Satellite System
* James Webb Space Telescope
* Wide Field Infrared Survey Telescope
* Mars 2020
* NISAR
* Europa Clipper

Communications
and navigation|

* Near Earth Network
* Space Network
* Deep Space Network (Goldstone
* Madrid
* Canberra
* Space Flight Operations Facility)
* Deep Space Atomic Clock

NASA lists|

* Astronauts
* by name
* by year
* Gemini astronauts
* Apollo astronauts
* List of NASA aircraft
* List of NASA missions
* uncrewed missions
* List of NASA contractors
* List of United States rockets
* List of NASA cancellations
* List of Space Shuttle missions
* crews
* List of NASA cameras on spacecraft

NASA images
and artwork|

* Earthrise
* The Blue Marble
* Family Portrait
* Pale Blue Dot
* Pillars of Creation
* Mystic Mountain
* Solar System Family Portrait
* The Day the Earth Smiled
* Fallen Astronaut
* Lunar plaques
* Pioneer plaques
* Voyager Golden Record
* Apollo 11 goodwill messages
* NASA insignia
* Gemini and Apollo medallions
* Mission patches

Related|

* Apollo 15 postal covers incident
* Space Mirror Memorial
* The Astronaut Monument
* U.S. Astronaut Hall of Fame
* Space program on U.S. stamps
* Apollo 17 Moon mice
* Other primates in space
* NASA spinoff technologies

* Category

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