{"release":{"id":"DR1","released_on":"2026-08-21","doi":null,"url":"https://spacecatalog.org/releases#dr1"},"epoch":{"requested":"now","label":"J2026.684","julian_year":2026.684,"time":"2026-09-07T22:48:34.802Z","years_from_j2000":26.684,"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":"hip-11168","name":"HIP 11168","class":"b8_blue_white_star","category":"star","object_type":"B8 blue-white star","mag":9.31,"mag_band":"V","abs_mag":3.348,"abs_mag_band":"V","distance_ly":508.0316109356865,"distance_method":"parallax","ra_deg":35.938155,"dec_deg":49.33872,"epoch_ra_deg":36.383161,"epoch_dec_deg":49.46086,"epoch_moved_arcsec":0.178,"pm_ra_mas_yr":-6.6,"pm_dec_mas_yr":0.88,"orbits":null,"semi_major_axis_km":null,"periapsis_km":null,"mass_kg":null,"mass_msun":null,"constellation":"Andromeda","discovered":null,"featured":false,"url":"https://spacecatalog.org/object/hip-11168","radius_km":null,"radius_kind":null,"data_quality":null,"description":null,"properties":{"wds_id":"02238+4920","companions":[{"measured":2016,"magnitude":11.1,"components":"AB","discoverer_code":"STF 256","separation_arcsec":21.3,"position_angle_deg":197},{"measured":2016,"magnitude":9.86,"components":"AC","discoverer_code":"STF 256","separation_arcsec":35.7,"position_angle_deg":45},{"measured":2015,"magnitude":14.6,"components":"AD","discoverer_code":"ABH   9","separation_arcsec":38.6,"position_angle_deg":350},{"measured":2015,"magnitude":15,"components":"AG","discoverer_code":"ABH   9","separation_arcsec":46.3,"position_angle_deg":241},{"measured":2015,"magnitude":15,"components":"AF","discoverer_code":"ABH   9","separation_arcsec":52.2,"position_angle_deg":266},{"measured":2015,"magnitude":14.9,"components":"AE","discoverer_code":"ABH   9","separation_arcsec":71.6,"position_angle_deg":309},{"measured":2015,"magnitude":13.86,"components":"AI","discoverer_code":"ABH   9","separation_arcsec":73.8,"position_angle_deg":108},{"measured":2015,"magnitude":13.01,"components":"AH","discoverer_code":"ABH   9","separation_arcsec":74,"position_angle_deg":61},{"measured":2015,"magnitude":15.9,"components":"AJ","discoverer_code":"ABH   9","separation_arcsec":96.3,"position_angle_deg":83},{"measured":2015,"magnitude":15.6,"components":"AK","discoverer_code":"ABH   9","separation_arcsec":96.4,"position_angle_deg":57}],"spectral_type":"B8","color_index_bv":0.093,"luminosity_solar":3.9884118690905273,"variable_mag_max":9.205,"variable_mag_min":9.365,"radial_velocity_km_s":0,"spectral_type_source":"SIMBAD (quality D)","proper_motion_ra_mas_yr":-6.6,"proper_motion_dec_mas_yr":0.88},"designations":[{"catalog":"HIP","designation":"HIP 11168"}],"source":{"id":"hyg","name":"HYG Database v4.1","url":"https://github.com/astronexus/HYG-Database","license":"CC-BY-SA-4.0"},"updated_at":"2026-09-02T19:50:56.720Z","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."}