Rameno Štítu-Kentaura

Rameno Štítu–Kentaura, také známé jako Rameno Štítu-Jižního kříže je dlouhé difúzní zakřivení tvořené hvězdami, plynem a prachem, které se spirálně zakřivuje směrem ven z konce centrální příčky Mléčné dráhy. Od 50. let se předpokládalo se, že Mléčná dráha má čtyři spirální ramena, i když důkazy pro toto nebyly nikdy silné.^[1] V roce 2008 pozorování pomocí Spitzerova kosmického dalekohledu neprokázalo očekávanou hustotu skupin rudých obrů ve směru ramen Střelce a Pravítka.^[2] V lednu 2014 byly publikovány výsledky studie distribuce a životnosti masivní hvězd^[3] a studie rozdělení maserů a otevřených hvězdokup.^[4] Obě našly důkazy pro čtyři spirální ramena.

Rameno Štítu-Kentaura leží mezi menším ramenem Lodního kýlu-Střelce a hlavním rameneme Persea. Rameno Štítu-Kentaura začíná u Galaktického jádra jako Rameno Štítu, pak se postupně mění v Rameno Kentaura.^[5]

V regionu, kde se Rameno Štítu–Kentaura připojuje k centrální příčce Galaxie se nachází oblasti bohaté na vznikající hvězdy. V roce 2006 byl objeven velký shluk hvězd, obsahující 14 červených veleobrů, pojmenován byl RSGC1. V roce 2007 byl objeven shluk přibližně 50 000 nově vytvořených hvězd pojmenovaný RSGC2 nacházející se jen několik set světelných let od RSGC1. Je starý méně než 20 milionů let a obsahuje 26 červených veleobrů, což je největší známé seskupení těchto hvězd.^[6] Další shluky v tomto regionu jsou RSGC3 a Alicante 8.^[7]

Reference

V tomto článku byl použit překlad textu z článku Scutum-Centaurus Arm na anglické Wikipedii.

↑ BASH, F. N. Does the Galaxy have four spiral arms. The Astrophysical Journal. 1981, s. 551. DOI 10.1086/159401. Bibcode 1981ApJ...250..551B.
↑ CHURCHWELL, E.; BABLER, B. L.; MEADE, M. R.; WHITNEY, B. A.; BENJAMIN, R.; INDEBETOUW, R.; CYGANOWSKI, C. The Spitzer/GLIMPSE surveys: a new view of the Milky Way. Publications of the Astronomical Society of the Pacific. 2009, s. 213. DOI 10.1086/597811. Bibcode 2009PASP..121..213C.
↑ URQUHART, J. S.; FIGURA, C. C.; MOORE, T. J. T.; HOARE, M. G.; LUMSDEN, S. L.; MOTTRAM, J. C.; THOMPSON, M. A. The RMS survey: Galactic distribution of massive star formation. Monthly Notices of the Royal Astronomical Society. 2013, s. 1791. DOI 10.1093/mnras/stt2006. Bibcode 2014MNRAS.437.1791U. arXiv 1310.4758.
↑ BOBYLEV, V. V.; BAJKOVA, A. T. The Milky Way spiral structure parameters from data on masers and selected open clusters. Monthly Notices of the Royal Astronomical Society. 2013, s. 1549. DOI 10.1093/mnras/stt1987. Bibcode 2014MNRAS.437.1549B. arXiv 1310.3974.
↑ CHURCHWELL, Ed; BABLER, BRIAN L.; MEADE, MARLIN A. The Spitzer/GLIMPSE Surveys: A New View of the Milky Way. Publications of the Astronomical Society of the Pacific. 2009, s. 213–230. Dostupné online. DOI 10.1086/597811. Bibcode 2009PASP..121..213C.
↑ >DAVIES, B.; FIGER, D. F.; KUDRITZKI, R. P.; MACKENTY, J.; NAJARRO, F.; HERRERO, A. A Massive Cluster of Red Supergiants at the Base of the Scutum‐Crux Arm. The Astrophysical Journal. 2007, s. 781. DOI 10.1086/522224. Bibcode 2007ApJ...671..781D. arXiv 0708.0821.
↑ NEGUERUELA, I.; GONZÁLEZ-FERNÁNDEZ, C.; MARCO, A.; CLARK, J. S.; MARTÍNEZ-NÚÑEZ, S. Another cluster of red supergiants close to RSGC1. Astronomy and Astrophysics. 2010, s. A74. DOI 10.1051/0004-6361/200913373. Bibcode 2010A&A...513A..74N. arXiv 1002.1823.

Portály: Astronomie

Read other articles:

التاريخ الإجرامي للمسيحية (كتاب)

هذه المقالة يتيمة إذ تصل إليها مقالات أخرى قليلة جدًا. فضلًا، ساعد بإضافة وصلة إليها في مقالات متعلقة بها. (ديسمبر 2017) التاريخ الإجرامي للمسيحيةKriminalgeschichte des Christentums (بالألمانية) معلومات عامةالمؤلف كارلهاينز ديشنر اللغة الألمانية البلد ألمانيا الغربية الموضوع تاريخ المسيحي...

Nicola di Grecia (1969)

Nicola di Grecia e DanimarcaPrincipe di Grecia e DanimarcaStemma In caricadal 1º ottobre 1969 TrattamentoSua Altezza Reale NascitaClinica Villa Claudia, Roma, Italia, 1º ottobre 1969 (54 anni) DinastiaSchleswig-Holstein-Sonderburg-Glücksburg (Grecia) PadreCostantino II di Grecia MadreAnna Maria di Danimarca ConsorteTatiana Blatnik ReligioneOrtodossia greca Nicola di Grecia (in greco moderno Νικόλαος της Ελλάδας; Roma, 1º ottobre 1969) è un principe greco, Sec...

التبين

هذه المقالة عن حي التبين بمحافظة القاهرة في مصر. لمعانٍ أخرى، طالع التبين (توضيح). التبين حي التبين التبينعلم التبينشعار مناطق حي التبين تاريخ التأسيس 1954 تقسيم إداري البلد مصر[1] العاصمة أرض اللواء (حلوان) المحافظة محافظة القاهرة المسؤولون المحا�...

1884 en France

Chronologies Un jour d'hiver, Léon Voirin, 1884.Données clés 1881 1882 1883 1884 1885 1886 1887Décennies :1850 1860 1870 1880 1890 1900 1910Siècles :XVIIe XVIIIe XIXe XXe XXIeMillénaires :-Ier Ier IIe IIIe Chronologies géographiques Afrique Afrique du Sud, Algérie, Angola, Bénin, Botswana, Burkina Faso, Burundi, Cameroun, Cap-Vert, République centrafricaine, Comores, République du Congo, République démocratique du Co...

Bosnia and Herzegovina in the Eurovision Song Contest 2007

Eurovision Song Contest 2007Country Bosnia and HerzegovinaNational selectionSelection processInternal selectionSelection date(s)Artist: 16 January 2007Song: 4 March 2007Selected entrantMarija ŠestićSelected songRijeka bez imenaSelected songwriter(s)Aleksandra MilutinovićGoran KovačićFinals performanceFinal result11th, 106 pointsBosnia and Herzegovina in the Eurovision Song Contest ◄2006 • 2007 • 2008► Bosnia and Herzegovina participated in the ...

Kolozs County

Kolozs redirects here. For the commune in Cluj County, Romania, called Kolozs in Hungarian, see Cojocna. This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.Find sources: Kolozs County – news · newspapers · books · scholar · JSTOR (June 2012) (Learn how and when to remove this message) Kolozs CountyComitatus Kolosiensis ...

William Johnson

William Johnson Hakim Mahkamah Agung Amerika SerikatMasa jabatan7 Mai 1804 – 4 Agustus 1834 Informasi pribadiKebangsaanAmerika SerikatProfesiHakimSunting kotak info • L • B William Johnson adalah hakim Mahkamah Agung Amerika Serikat. Ia mulai menjabat sebagai hakim pada mahkamah tersebut pada tanggal 7 Mei 1804. Masa baktinya sebagai hakim berakhir pada tanggal 4 Agustus 1834.[1] Referensi ^ Justices 1789 to Present. Washington, D.C.: Mahkamah Agung Amerika Se...

Austin Metro

Supermini British economy car This article is about the car. For the Austin, Texas public transit system, see Capital Metro. For the metropolitan area, see Greater Austin. Motor vehicle Austin Metro1989 Austin MetroOverviewManufacturerBritish Leyland (1980–1986)Rover Group (1986–1998)Also calledAustin mini Metro MG Metro Rover Metro Rover 100Production1980–1998[1]2,078,218 producedBody and chassisClassSupermini car (B)LayoutFront-engine, front-wheel driveRelatedMiniChronolo...

Tenure of Office Act (1867)

Federal United States law This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.Find sources: Tenure of Office Act 1867 – news · newspapers · books · scholar · JSTOR (March 2010) (Learn how and when to remove this message) Tenure of Office Act (1867)Long titleAn act regulating the tenure of certain civil officesEnacted...

Северный морской котик

Северный морской котик Самец Научная классификация Домен:ЭукариотыЦарство:ЖивотныеПодцарство:ЭуметазоиБез ранга:Двусторонне-симметричныеБез ранга:ВторичноротыеТип:ХордовыеПодтип:ПозвоночныеИнфратип:ЧелюстноротыеНадкласс:ЧетвероногиеКлада:АмниотыКлада:Синапси...

The Rot That Grows Inside My Chest

2023 studio album by Teenage Joans The Rot That Grows Inside My ChestStudio album by Teenage JoansReleased13 October 2023GenrePop-punkLength40:14LabelDomestic La LaProducerJarred NettleTeenage Joans chronology Taste of Me(2021) The Rot That Grows Inside My Chest(2023) Singles from The Rot That Grows Inside My Chest SuperglueReleased: 2 May 2023 Candy AppleReleased: 10 August 2023 5 Things I Can TasteReleased: 22 September 2023 Professional ratingsReview scoresSourceRatingWall of Sound8.5/...

Park Kultury (Jalur Sokolnicheskaya)

Park KulturyStasiun Metro MoskwaLokasiJalan OstozhenkaDistrik KhamovnikiCentral Administrative OkrugMoskwaPemilikMoskovsky MetropolitenJalur!C 1 Jalur Sokolnicheskaya Jumlah peron1 peron pulauJumlah jalur2LayananTrolleybus: Б (B), 10, 28, 31, 31к, 79KonstruksiJenis strukturShallow column triple-spanKedalaman105 meter (344 ft)Tinggi peron1ParkirTidak adaFasilitas sepedaTidak adaInformasi lainKode stasiun013SejarahDibuka15 Mei 1935Nama sebelumnyaTsentralnyi Park Kul...

Nitzanei Oz

Moshav in central Israel Place in Central, IsraelNitzanei Oz נִצָּנֵי עֹז‎Nitzanei OzCoordinates: 32°18′24″N 35°0′18″E / 32.30667°N 35.00500°E / 32.30667; 35.00500CountryIsraelDistrictCentralCouncilLev HaSharonAffiliationMoshavim MovementFounded1951Founded byNahalPopulation (2022)[1]1,121 Nitzanei Oz (Hebrew: נִצָּנֵי עֹז, ניצני עוז, lit. Buds of Strength) is a moshav in central Israel. Located in the Sharon ...

Siebe Gorman Salvus

Industrial rescue and shallow water oxygen rebreather CGI image: 2 views of a diver wearing a Siebe Gorman Salvus rebreather The Siebe Gorman Salvus is a light oxygen rebreather for industrial use (including by firemen and in coalmine rescue) or in shallow diving. Its duration on a filling is 30 to 40 minutes. It was very common in Britain during World War II and for a long time afterwards. Underwater the Salvus is very compact and can be used where a diver with a bigger breathing set cannot ...

تحلل بروتيني

التحلل البروتيني هي عملية انحلال البروتينات إلى مكوناتها الأولية أي أحماض أمينية عن طريق تفاعلات حلمهة محفزة من الببتيداز أي باختصار عملية هدم البروتين جزئياً أو كلياً.[1][2][3] تصنيف يمكن تصنيف التحلل البروتيني تبعاً للمكان الذي تتم فيه العملية: تحلل برو...

جائحة فيروس كورونا في خوبي 2019–20

جائحة فيروس كورونا في خوبي 2019–20 المكان خوبي الوفيات 4,512 (17 يناير 2021) الحالات المؤكدة 68,149 (17 يناير 2021) تعديل مصدري - تعديل فشلت الاستجابة المتأخرة والمثير للجدل من قبل سلطات ووهان وخوبي في احتواء تفشي المرض في المرحلة المبكرة مما أدى إلى انتقادات من الجمهور ووسا...

Gambia River

Major river in West Africa Gambia RiverGambia River in the Niokolo-Koba National ParkMap of the Gambia River drainage basinLocationCountriesGuineaSenegalThe GambiaPhysical characteristicsSourceFouta Djallon • location Labé, Guinea • coordinates11°24′43″N 12°13′34″W / 11.412°N 12.226°W / 11.412; -12.226 • elevation795 m (2,608 ft) MouthAtlantic Ocean • locationBanjul, The Gambia&...

Stanley Fischer

Israeli American economist (born 1943) Not to be confused with Stanley Fisher. Stanley Fischer20th Vice Chair of the Federal ReserveIn officeJune 16, 2014 – October 13, 2017PresidentBarack ObamaDonald TrumpPreceded byJanet YellenSucceeded byRichard ClaridaMember of the Board of Governors of the Federal ReserveIn officeMay 21, 2014 – October 13, 2017PresidentBarack ObamaDonald TrumpPreceded byBen BernankeSucceeded byMichelle Bowman8th Governor of the Bank of IsraelIn offi...

ABQ Uptown

Shopping mall in New Mexico, United StatesABQ Uptown Shopping CenterSouthwest CornerLocationAlbuquerque, New Mexico, United StatesOpening dateNovember 2006DeveloperHunt Development GroupManagementSimon Property GroupOwnerSimon Property GroupArchitectDekker/Perich/SabatiniNo. of stores and services51No. of anchor tenants3Total retail floor area230,026 square feet (21,370.1 m2)No. of floors2 (Toni and Guy and The Melting Pot) 1 (other stores)Parking750 spacesWebsitesimon.com/mall/abq-uptow...

萨尼娅·米尔扎

萨尼娅·米尔扎萨尼娅·米尔扎，2017年全名萨尼娅·米尔扎國家/地區印度居住地印度海得拉巴阿联酋迪拜出生 (1986-11-15) 1986年11月15日（37歲）印度孟買身高1.73米（5英尺8英寸）體重57公斤（126英磅）轉職業年2003年持拍右手（雙手反拍）職業獎金US$7,215,984單打成績職業戰績271–161 (62.7%)冠軍頭銜1最高排名27（2007年8月27日）大滿貫單打成績澳網第三輪（2005，2008）法網第二輪...