{"release":{"id":"DR1","released_on":"2026-08-21","doi":null,"url":"https://spacecatalog.org/releases#dr1"},"epoch":{"requested":"now","label":"J2026.667","julian_year":2026.667,"time":"2026-09-01T19:06:34.486Z","years_from_j2000":26.667,"frame":"date","applied":"Proper motion, then precession and nutation. The catalogued J2000 position is carried along the great circle the object's own published motion puts it on, at a constant velocity, and the result is referred to the true equator and equinox of this instant. Those are separate things: the motion moves the object, and the rotation turns the grid under it by about fifty arcseconds a year, with nutation adding up to another seventeen.","excluded":"Parallax, the radial-velocity perspective term, aberration and refraction; each is below the accuracy of the catalogued positions themselves. An object with no published proper motion comes back where the catalogue has it rather than at a fabricated zero, and says so with a null pm_ra_mas_yr. A body with no fixed position is not propagated at all — its place comes from an ephemeris, which is what /api/v1/visible answers with."},"slug":"corot-3","name":"CoRoT-3","class":"f3_v_yellow_white_star","category":"star","object_type":"F3 V yellow-white star","mag":13.448,"mag_band":"V","abs_mag":null,"abs_mag_band":null,"distance_ly":2507.3956465367855,"distance_method":"NASA Exoplanet Archive sy_dist (TICv8, 2019AJ....158..138S)","ra_deg":292.0552827,"dec_deg":0.1218359,"epoch_ra_deg":292.398911,"epoch_dec_deg":0.176234,"epoch_moved_arcsec":null,"pm_ra_mas_yr":null,"pm_dec_mas_yr":null,"orbits":null,"semi_major_axis_km":null,"periapsis_km":null,"mass_kg":null,"mass_msun":null,"constellation":"Aquila","discovered":null,"featured":false,"url":"https://spacecatalog.org/object/corot-3","radius_km":null,"radius_kind":null,"data_quality":null,"description":null,"properties":{"wds_id":"19282+0007","companions":[{"measured":2014,"magnitude":19.5,"components":"AD","discoverer_code":"CRT   3","separation_arcsec":2.5,"position_angle_deg":136},{"measured":2014,"magnitude":21.2,"components":"AE","discoverer_code":"CRT   3","separation_arcsec":3.9,"position_angle_deg":241},{"measured":2014,"magnitude":20.8,"components":"AF","discoverer_code":"CRT   3","separation_arcsec":4.5,"position_angle_deg":130},{"measured":2015,"magnitude":18.9,"components":"AC","discoverer_code":"WOL   6","separation_arcsec":5,"position_angle_deg":92},{"measured":2015,"magnitude":16.6,"components":"AB","discoverer_code":"WOL   6","separation_arcsec":5.2,"position_angle_deg":175},{"measured":2014,"magnitude":21,"components":"AG","discoverer_code":"CRT   3","separation_arcsec":5.2,"position_angle_deg":269},{"measured":2015,"magnitude":20.4,"components":"AH","discoverer_code":"CRT   3","separation_arcsec":5.3,"position_angle_deg":343},{"measured":2014,"magnitude":20.8,"components":"AI","discoverer_code":"CRT   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3","separation_arcsec":12.2,"position_angle_deg":230},{"measured":2014,"magnitude":21.7,"components":"AQ","discoverer_code":"CRT   3","separation_arcsec":13.8,"position_angle_deg":104},{"measured":2014,"magnitude":21.3,"components":"AR","discoverer_code":"CRT   3","separation_arcsec":14.2,"position_angle_deg":267},{"measured":2014,"magnitude":21.3,"components":"AS","discoverer_code":"CRT   3","separation_arcsec":15,"position_angle_deg":52},{"measured":2014,"magnitude":20.8,"components":"AT","discoverer_code":"CRT   3","separation_arcsec":15.3,"position_angle_deg":344},{"measured":2014,"magnitude":21.3,"components":"AU","discoverer_code":"CRT   3","separation_arcsec":16.9,"position_angle_deg":21},{"measured":2015,"magnitude":19.9,"components":"AV","discoverer_code":"CRT   3","separation_arcsec":17.8,"position_angle_deg":87},{"measured":2015,"magnitude":15.9,"components":"A,Wa","discoverer_code":"CRT   3","separation_arcsec":17.9,"position_angle_deg":114},{"measured":2015,"magnitude":20,"components":"A,Wb","discoverer_code":"CRT   3","separation_arcsec":18.1,"position_angle_deg":237},{"measured":2015,"magnitude":18.8,"components":"A,Wc","discoverer_code":"CRT   3","separation_arcsec":18.2,"position_angle_deg":207},{"measured":2015,"magnitude":14.3,"components":"A,Wd","discoverer_code":"CRT   3","separation_arcsec":19.1,"position_angle_deg":80},{"measured":2014,"magnitude":21,"components":"A,We","discoverer_code":"CRT   3","separation_arcsec":19.6,"position_angle_deg":45}],"mass_solar":1.37,"radius_solar":1.56,"spectral_type":"F3 V","uncertainties":{"metallicity_fe_h":[0.04,0.04]},"stars_in_system":1,"metallicity_fe_h":0.14,"planets_in_system":1,"surface_gravity_log_g":4.25,"surface_temperature_k":6740,"metallicity_fe_h_source":"One spectroscopic determination, compiled from the literature (PASTEL, Soubiran+ 2016)","stellar_parameters_method":"NASA Exoplanet Archive composite parameters"},"designations":[],"source":{"id":"exoplanet_archive","name":"NASA Exoplanet Archive (Planetary Systems Composite Parameters)","url":"https://exoplanetarchive.ipac.caltech.edu/cgi-bin/TblView/nph-tblView?app=ExoTbls&config=PSCompPars","license":"Public domain (NASA)"},"updated_at":"2026-08-30T09:56:50.739Z","attribution":"Data from SpaceCatalog.org. Individual records carry their source and license in `source`; attribution is required for CC-BY and CC-BY-SA rows."}