arcsecond.io

• Action
  Get exoplanet

  Look up a single exoplanet by name via GET https://api.arcsecond.io/exoplanets/{name}/ — returns coordinates, parent star, discovery metadata. No auth required.

• Action
  Get object

  Look up an astronomical object by name via GET https://api.arcsecond.io/objects/{name}/ — returns equatorial/ecliptic/galactic coordinates, constellation, source catalog. No auth required.

• Action
  List exoplanets

  Paginated list of known exoplanets via GET https://api.arcsecond.io/exoplanets/ — returns name, host star, discovery method/year, orbital params. No auth required. Supports ?page=.

• Action
  List instruments

  List astronomical instruments via GET https://api.arcsecond.io/instruments/ — returns uuid, name, acronym, telescope link, field-of-view specs. No auth required (public read confirmed 200).

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