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- RX_J0806.3+1527 abstract "RX J0806.3+1527 or HM Cancri (sometimes shortened to HM Cnc or J0806 after establishing identity) is an X-ray binary star system about 1,600 light-years (490 pc) away. It comprises two dense white dwarfs orbiting each other once every 321.5 seconds (in this system the \"year\" duration is of only 5.4 minutes), at an estimated distance of only 80,000 kilometres (50,000 mi) apart (about 1/5 the distance between the Earth and the Moon). The two stars orbit each other at speeds in excess of 400 kilometres per second (890,000 mph). The stars are estimated to be about half as massive as our own Sun. Like typical white dwarfs, they are extremely dense, being composed of degenerate matter, and so have radii of order the radius of Earth. Astronomers believe that the two stars will eventually merge, based on data from many X-ray satellites, such as Chandra X-Ray Observatory, XMM-Newton and the Swift Gamma-Ray Burst Mission. These data show that the orbital period of the two stars is steadily decreasing at a rate of 1.2 milliseconds per year as they thus are getting closer by approximately 60 centimetres (2.0 ft) per day. With a revolution period of 5.4 minutes RX J0806 is the shortest orbital period binary system currently known.".
- RX_J0806.3+1527 thumbnail J0806_(binary_star_-_artists_conception).jpg?width=300.
- RX_J0806.3+1527 wikiPageExternalLink ap050601.html.
- RX_J0806.3+1527 wikiPageExternalLink nph-iarticle_query?1999A%26A...349L...1I&data_type=PDF_HIGH&whole_paper=YES&type=PRINTER&filetype=.pdf.
- RX_J0806.3+1527 wikiPageExternalLink 1003.0658v1.
- RX_J0806.3+1527 wikiPageExternalLink 1003.1986.
- RX_J0806.3+1527 wikiPageExternalLink j0806.
- RX_J0806.3+1527 wikiPageExternalLink L138.
- RX_J0806.3+1527 wikiPageExternalLink rx-j0806.shtml.
- RX_J0806.3+1527 wikiPageExternalLink 148.pdf.
- RX_J0806.3+1527 wikiPageExternalLink aa22719-13.html.
- RX_J0806.3+1527 wikiPageExternalLink index.php?option=com_article&access=bibcode&Itemid=129&bibcode=2002A%2526A...386L..13IFUL.
- RX_J0806.3+1527 wikiPageExternalLink index.php?option=com_article&access=bibcode&Itemid=129&bibcode=2007A%2526A...464..417DFUL.
- RX_J0806.3+1527 wikiPageExternalLink eso0211.
- RX_J0806.3+1527 wikiPageExternalLink 17440.html.
- RX_J0806.3+1527 wikiPageExternalLink rx0806_3.pdf.gz.
- RX_J0806.3+1527 wikiPageExternalLink 05-078.html.
- RX_J0806.3+1527 wikiPageExternalLink 1997.full.
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- RX_J0806.3+1527 wikiPageID "10456360".
- RX_J0806.3+1527 wikiPageLength "6405".
- RX_J0806.3+1527 wikiPageOutDegree "28".
- RX_J0806.3+1527 wikiPageRevisionID "681275409".
- RX_J0806.3+1527 wikiPageWikiLink Albert_Einstein.
- RX_J0806.3+1527 wikiPageWikiLink Astronomical_unit.
- RX_J0806.3+1527 wikiPageWikiLink Binary_star.
- RX_J0806.3+1527 wikiPageWikiLink Cancer_(constellation).
- RX_J0806.3+1527 wikiPageWikiLink Category:Cancer_(constellation).
- RX_J0806.3+1527 wikiPageWikiLink Category:Objects_named_with_variable_star_designations.
- RX_J0806.3+1527 wikiPageWikiLink Category:ROSAT_objects.
- RX_J0806.3+1527 wikiPageWikiLink Category:White_dwarfs.
- RX_J0806.3+1527 wikiPageWikiLink Category:X-ray_binaries.
- RX_J0806.3+1527 wikiPageWikiLink Chandra_X-ray_Observatory.
- RX_J0806.3+1527 wikiPageWikiLink Cosmic_distance_ladder.
- RX_J0806.3+1527 wikiPageWikiLink European_Southern_Observatory.
- RX_J0806.3+1527 wikiPageWikiLink General_relativity.
- RX_J0806.3+1527 wikiPageWikiLink Gravitational_wave.
- RX_J0806.3+1527 wikiPageWikiLink Light-year.
- RX_J0806.3+1527 wikiPageWikiLink Magnitude_(astronomy).
- RX_J0806.3+1527 wikiPageWikiLink Nordic_Optical_Telescope.
- RX_J0806.3+1527 wikiPageWikiLink Orbital_period.
- RX_J0806.3+1527 wikiPageWikiLink Period_derivative.
- RX_J0806.3+1527 wikiPageWikiLink ROSAT.
- RX_J0806.3+1527 wikiPageWikiLink Swift_Gamma-Ray_Burst_Mission.
- RX_J0806.3+1527 wikiPageWikiLink Telescopio_Nazionale_Galileo.
- RX_J0806.3+1527 wikiPageWikiLink Very_Large_Telescope.
- RX_J0806.3+1527 wikiPageWikiLink White_dwarf.
- RX_J0806.3+1527 wikiPageWikiLink X-ray.
- RX_J0806.3+1527 wikiPageWikiLink X-ray_binary.
- RX_J0806.3+1527 wikiPageWikiLink XMM-Newton.
- RX_J0806.3+1527 wikiPageWikiLink File:J0806_(binary_star_-_artists_conception).jpg.
- RX_J0806.3+1527 wikiPageWikiLinkText "RX J0806.3+1527".
- RX_J0806.3+1527 constell Cancer_(constellation).
- RX_J0806.3+1527 dec "1650.2".
- RX_J0806.3+1527 mass "0.5".
- RX_J0806.3+1527 wikiPageUsesTemplate Template:Citation_needed.
- RX_J0806.3+1527 wikiPageUsesTemplate Template:Convert.
- RX_J0806.3+1527 wikiPageUsesTemplate Template:RA.
- RX_J0806.3+1527 wikiPageUsesTemplate Template:Reflist.
- RX_J0806.3+1527 wikiPageUsesTemplate Template:Starbox_begin.
- RX_J0806.3+1527 wikiPageUsesTemplate Template:Starbox_catalog.
- RX_J0806.3+1527 wikiPageUsesTemplate Template:Starbox_detail.
- RX_J0806.3+1527 wikiPageUsesTemplate Template:Starbox_end.
- RX_J0806.3+1527 wikiPageUsesTemplate Template:Starbox_image.
- RX_J0806.3+1527 wikiPageUsesTemplate Template:Starbox_observe.
- RX_J0806.3+1527 wikiPageUsesTemplate Template:Stars_of_Cancer.
- RX_J0806.3+1527 subject Category:Cancer_(constellation).
- RX_J0806.3+1527 subject Category:Objects_named_with_variable_star_designations.
- RX_J0806.3+1527 subject Category:ROSAT_objects.
- RX_J0806.3+1527 subject Category:White_dwarfs.
- RX_J0806.3+1527 subject Category:X-ray_binaries.
- RX_J0806.3+1527 hypernym System.
- RX_J0806.3+1527 type CelestialBody.
- RX_J0806.3+1527 type Place.
- RX_J0806.3+1527 type Star.
- RX_J0806.3+1527 type Catalogue.
- RX_J0806.3+1527 type Object.
- RX_J0806.3+1527 type Location.
- RX_J0806.3+1527 type Place.
- RX_J0806.3+1527 type Thing.
- RX_J0806.3+1527 comment "RX J0806.3+1527 or HM Cancri (sometimes shortened to HM Cnc or J0806 after establishing identity) is an X-ray binary star system about 1,600 light-years (490 pc) away. It comprises two dense white dwarfs orbiting each other once every 321.5 seconds (in this system the \"year\" duration is of only 5.4 minutes), at an estimated distance of only 80,000 kilometres (50,000 mi) apart (about 1/5 the distance between the Earth and the Moon).".
- RX_J0806.3+1527 label "RX J0806.3+1527".
- RX_J0806.3+1527 sameAs Q1500111.
- RX_J0806.3+1527 sameAs HM_Cancri.
- RX_J0806.3+1527 sameAs HM_Cancri.
- RX_J0806.3+1527 sameAs آرایکس_جی۰۸۰۶٫۳+۱۵۲۷.
- RX_J0806.3+1527 sameAs かに座HM星.
- RX_J0806.3+1527 sameAs HM_Cancri.
- RX_J0806.3+1527 sameAs m.02qdpth.
- RX_J0806.3+1527 sameAs RX_J0806.3+1527.
- RX_J0806.3+1527 sameAs Q1500111.
- RX_J0806.3+1527 wasDerivedFrom RX_J0806.3+1527?oldid=681275409.
- RX_J0806.3+1527 depiction J0806_(binary_star_-_artists_conception).jpg.
- RX_J0806.3+1527 isPrimaryTopicOf RX_J0806.3+1527.
- RX_J0806.3+1527 name "RX J0806.3+1527".