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- U_(TNO) abstract "U is the provisional designation for a possible object detected by the Atacama Large Millimeter Array (ALMA) during a survey for sub-stellar objects in the Alpha Centauri system.In images taken on 7 July 2014 (343.5 GHz) and 2 May 2015 (445 GHz), researchers discovered a source in the far infrared located within 5.5 arcseconds of α Cen AB. Based on its proper motion, it was at first thought to be a part of the Alpha Centauri system. Further analysis, however, found that the object must be closer to the Solar System, and that it may be gravitationally bound to the Sun. The researchers suggest that the object may be an extreme trans-Neptunian object (ETNO) beyond 100 AU (15 billion kilometres), a super-Earth at around 300 AU (45 billion kilometres), or a very cool brown dwarf at around 20,000 astronomical units (3.0 trillion kilometres).The research was published on the arXiv in December 2015, but was later withdrawn pending further study. Additional observations of the detection at 343.5 GHz could not be made, while the detection at 445 GHz was confirmed to greater than 12σ. A single point of data, however, is insufficient for proper analysis, and further observations must be made to better determine this object's nature and its orbit.Other astronomers have expressed scepticism over this claim. Mike Brown thinks that it is statistically improbable for a new Solar System object to be accidentally observed in ALMA's extremely narrow field of view, whereas Bruce Macintosh suggests that the detections may be artifacts introduced due to ALMA's calibration methods.".
- U_(TNO) wikiPageID "48821860".
- U_(TNO) wikiPageLength "3487".
- U_(TNO) wikiPageOutDegree "17".
- U_(TNO) wikiPageRevisionID "704756199".
- U_(TNO) wikiPageWikiLink ALMA_(radio_telescope_array).
- U_(TNO) wikiPageWikiLink Alpha_Centauri.
- U_(TNO) wikiPageWikiLink ArXiv.
- U_(TNO) wikiPageWikiLink Artifact_(error).
- U_(TNO) wikiPageWikiLink Brown_dwarf.
- U_(TNO) wikiPageWikiLink Category:Astronomical_objects_discovered_in_2015.
- U_(TNO) wikiPageWikiLink Category:Possible_dwarf_planets.
- U_(TNO) wikiPageWikiLink Category:Scattered_disc_and_detached_objects.
- U_(TNO) wikiPageWikiLink Far_infrared.
- U_(TNO) wikiPageWikiLink Michael_E._Brown.
- U_(TNO) wikiPageWikiLink Minute_and_second_of_arc.
- U_(TNO) wikiPageWikiLink Proper_motion.
- U_(TNO) wikiPageWikiLink Solar_System.
- U_(TNO) wikiPageWikiLink Standard_deviation.
- U_(TNO) wikiPageWikiLink Sun.
- U_(TNO) wikiPageWikiLink Super-Earth.
- U_(TNO) wikiPageWikiLink Trans-Neptunian_object.
- U_(TNO) wikiPageWikiLinkText "U (TNO)".
- U_(TNO) wikiPageUsesTemplate Template:2015_in_space.
- U_(TNO) wikiPageUsesTemplate Template:Convert.
- U_(TNO) wikiPageUsesTemplate Template:Reflist.
- U_(TNO) subject Category:Astronomical_objects_discovered_in_2015.
- U_(TNO) subject Category:Possible_dwarf_planets.
- U_(TNO) subject Category:Scattered_disc_and_detached_objects.
- U_(TNO) hypernym Designation.
- U_(TNO) type Place.
- U_(TNO) comment "U is the provisional designation for a possible object detected by the Atacama Large Millimeter Array (ALMA) during a survey for sub-stellar objects in the Alpha Centauri system.In images taken on 7 July 2014 (343.5 GHz) and 2 May 2015 (445 GHz), researchers discovered a source in the far infrared located within 5.5 arcseconds of α Cen AB. Based on its proper motion, it was at first thought to be a part of the Alpha Centauri system.".
- U_(TNO) label "U (TNO)".
- U_(TNO) sameAs Q21717747.
- U_(TNO) sameAs U_(objet_céleste).
- U_(TNO) sameAs U_(transnetuniano).
- U_(TNO) sameAs Q21717747.
- U_(TNO) wasDerivedFrom U_(TNO)?oldid=704756199.
- U_(TNO) isPrimaryTopicOf U_(TNO).