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n displaystyle nu Oktanta Roztashuvannya n displaystyle nu Oktanta v suzir yi obvedeno chervonimDani sposterezhennyaEpoha J2000Suzir ya OktantPryame pidnesennya 21g 41h 28 64977s 1 Shilennya 77 23 24 1563 1 Vidima zoryana velichina V 3 73 2 HarakteristikiSpektralnij klas K1III 3 Pokaznik koloru B V 1 00 4 Pokaznik koloru U B 0 89 4 AstrometriyaPromeneva shvidkist Rv 34 40 5 km cVlasnij ruh m Pr sh 66 41 1 mas r Shil 239 10 1 mas rParalaks p 51 5172 0 6525 mas 6 Vidstan 63 3 0 8 sv r 19 4 0 2 pk Absolyutna zoryanavelichina MV 2 10 2 2 02 7 Orbita 7 Period P 1050 69 0 05 0 07 dibVelika pivvis a 2 62959 0 00009 0 00011 a o Ekscentrisitet e 0 23680 0 00007Nahil i 70 8 0 9 Vuzol W 87 1 2 Epoha periastru T 74 970 0 016Pivamplituda K1 pervinna 7 032 0 003 km sFizichni harakteristikiMasa 1 04 8 1 61 0 585 7 M Radius 5 9 8 5 81 0 12 7 R Svitnist 17 53 2 L Efektivna temperatura 4860 40 9 KInshi poznachennyaCD 77 1079 CCDM J21415 7723A FK5 810 GC 30289 GJ 9744 HIP 107089 HR 8254 HD 205478 SAO 257948 WDS J21415 7723APosilannyaSIMBADdani dlya nu Octn displaystyle nu Oktanta nyu Oktanta n displaystyle nu Octantis spektroskopichna podvijna zorya 10 v suzir yi Oktanta Yiyi vidima zoryana velichina 3 73 Roztashovana priblizno za 20 pk 65 sv r vid Zemli Golovna zorya pomaranchevij gigant spektralnogo tipu K1III U yiyi yadri vigoriv voden i vona rozshirilasya Yiyi suputnik shvidshe za vse chervonij karlik iz maloyu masoyu Period obertannya v sistemi stanovit blizko 2 9 rokiv 9 U 2009 roci gruntuyuchis na zburennyah orbitalnogo periodu bulo visunuto gipotezu sho sistema mistit ekzoplaneti 9 Mozhlivist yih progradnogo ruhu odrazu viklyuchili 11 ale retrogradnij ruh zalishavsya mozhlivim hocha variaciyi mozhut buti pov yazani z tim sho golovna zorya sama po sobi ye podvijnoyu 12 oskilki formuvannya planet v takij sistemi bulo b vazhkim cherez dinamichni zburennya 13 Sistema Nyu Oktanta 7 Planeta po poryadku viddalennya vid zori Masa Radius Velika pivvis a o Orbitalnij period dib Nahil orbiti Ekscentrisitetorbiti Kil t suputnikivb ne pidtverdzheno 2 1059 MJ 1 276 414 8 0 086 112 5 Primitki Redaguvati a b v g Van Leeuwen F 2007 Validation of the new Hipparcos reduction Astronomy and Astrophysics 474 2 653 Bibcode 2007A amp A 474 653V arXiv 0708 1752 doi 10 1051 0004 6361 20078357 Vizier catalog entry a b v Anderson E Francis Ch 2012 XHIP An extended hipparcos compilation Astronomy Letters 38 5 331 Bibcode 2012AstL 38 331A arXiv 1108 4971 doi 10 1134 S1063773712050015 Vizier catalog entry Gray R O ta in July 2006 Contributions to the Nearby Stars NStars Project spectroscopy of stars earlier than M0 within 40 pc The Southern Sample The Astronomical Journal 132 1 161 170 Bibcode 2006AJ 132 161G arXiv astro ph 0603770 doi 10 1086 504637 a b Mallama A 2014 Sloan Magnitudes for the Brightest Stars The Journal of the American Association of Variable Star Observers 42 443 Bibcode 2014JAVSO 42 443M Vizier catalog entry Wilson R E 1953 General Catalogue of Stellar Radial Velocities Carnegie Institution for Science Bibcode 1953GCRV C 0W LCCN 54001336 Gaia collaboration August 2018 Gaia Data Release 2 Astronomy amp Astrophysics Summary of the contents and survey properties 616 A1 Bibcode 2018A amp A 616A 1G arXiv 1804 09365 doi 10 1051 0004 6361 201833051 Gaia DR2 record at VizieR a b v g d Ramm D J 2016 The conjectured S type retrograde planet in n Octantis more evidence including four years of iodine cell radial velocities Monthly Notices of the Royal Astronomical Society 460 4 3706 3719 Bibcode 2016MNRAS 460 3706R arXiv 1605 06720 doi 10 1093 mnras stw1106 a b Allende Prieto C Lambert D L 1999 Fundamental parameters of nearby stars from the comparison with evolutionary calculations Masses radii and effective temperatures Astronomy and Astrophysics 352 555 Bibcode 1999A amp A 352 555A arXiv astro ph 9911002 Vizier catalog entry a b v Ramm D J Pourbaix D Hearnshaw J B Komonjinda S April 2009 Spectroscopic orbits for K giants b Reticuli and n Octantis what is causing a low amplitude radial velocity resonant perturbation in n Oct Monthly Notices of the Royal Astronomical Society 394 3 1695 1710 Bibcode 2009MNRAS 394 1695R doi 10 1111 j 1365 2966 2009 14459 x Eggleton P P Tokovinin A A September 2008 A catalogue of multiplicity among bright stellar systems Monthly Notices of the Royal Astronomical Society 389 2 869 879 Bibcode 2008MNRAS 389 869E arXiv 0806 2878 doi 10 1111 j 1365 2966 2008 13596 x Eberle J Cuntz M October 2010 On the reality of the suggested planet in the n Octantis system The Astrophysical Journal 721 2 L168 L171 Bibcode 2010ApJ 721L 168E doi 10 1088 2041 8205 721 2 L168 Morais M H M Correia A C M February 2012 Precession due to a close binary system an alternative explanation for n Octantis Monthly Notices of the Royal Astronomical Society 419 4 3447 3456 Bibcode 2012MNRAS 419 3447M arXiv 1110 3176 doi 10 1111 j 1365 2966 2011 19986 x Gozdziewski K Slonina M Migaszewski C Rozenkiewicz A March 2013 Testing a hypothesis of the n Octantis planetary system Monthly Notices of the Royal Astronomical Society 430 1 533 545 Bibcode 2013MNRAS 430 533G arXiv 1205 1341 doi 10 1093 mnras sts652 Otrimano z https uk wikipedia org w index php title Nyu Oktanta amp oldid 35145851