Pengguna:SafaDhirgham2004/Bak pasir
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Untuk bak pasir, uji coba halaman, uji coba templat, dst.
Sekilas Bak Pasir
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Uji coba Halaman Heracleum mantegazzianum
Heracleum mantegazzianum | |
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Klasifikasi ilmiah | |
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Genus: | |
Spesies: | H. mantegazzianum
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Nama binomial | |
Heracleum mantegazzianum |
Heracleum mantegazzianum, atau disebut dengan hogweed raksasa,[1][2][3][4] merupakan tanaman herba abadi monokarpik di famili Apiaceae. H. mantegazzianum juga disebut bunga roda,[2][3][4] peterseli sapi raksasa,[5] lobak sapi raksasa,[6] atau hogsbane. Di Selandia Baru, terkadang dipanggil lobak liar (tidak membingungkan Pastinaca sativa) atau rhubarb liar.[3]
Hogweed raksasa adalah tanaman asli dari daerah Kaukasus di Eurasia. Ini telah di introduksi Britania sebagai tanaman ornamental di Abad ke-19, Dan tersebar ke daerah Eropa Barat, Amerika Serikat dan Kanada.[1] Dari relativitas dekat, hogweed Sosnowsky and hogweed Persia, mempunyai penyebaran serupa dari beberapa bagian dari Eropa.
Getah dari hogweed raksasa adalah fototoksik dan menyebabkan fitofotodermatitis di manusia, menyebabkan lepuh dan luka. Reaksi serius ini disebabkan furanokumarin turunan dari daun, akar, batang, bunga, dan biji tanaman ini. Akibatnya, dijadikan tanaman liar beracun di berbagai yuridiksi.[1]
Etimologi
Nama spesies mantegazzianum berasal dari Paolo Mantegazza (1831–1910), Penjelajah Italia dan antropologiawan.[7]
Deskripsi
![](http://upload.wikimedia.org/wikipedia/commons/thumb/f/fc/Heracleum_mantegazzianum_03_by_Line1.jpg/170px-Heracleum_mantegazzianum_03_by_Line1.jpg)
Hogweed raksasa biasanya tumbuh setinggi 2 hingga 5 m (6 ft 7 in hingga 16 ft 5 in).[1] Di bawah kondisi ideal, Sebuah tanaman bisa mencapai tinggi 55 m (180 ft 5 in).[8][9] Daunnya tertakuk dan berlubang dalam. Sebuah tanaman dewasa mempunyai daun besar, dengan lebar 1–15 m (3 ft 3 in – 49 ft 3 in)[10] dan sebuah bayak, tangkai berwarna hijau dengan bercak ungu kemerahan tua yang luas dan bulu putih kasar yang menonjol, terutama di pangkal tangkai daun. Batang berongga dan bergerigi berdiameter 3–8 cm (1,2–3,1 in), terkadang mencapai diameter 10 cm (3,9 in), dan dapat tumbuh setinggi lebih dari 4 m (13 ft), dan bisa tumbuh lebih dari tinggi . Bintik merah tua di tangkai dan setiapnya dipenuhi rambut tunggal.[11] Perbungaan payung, disebut gabungan umbel, kemungkinan 100 cm (3 ft 3 in) dengan diameter di bagian atasnya yang rata. Bunga berwarna putih atau putih kehijauan dan mungkin secara radial simetrikal atau sangat simetri bilateral (zigomorfik).[9] Buahnya skizokarp, memproduksi biji dalam keadaan kering, teratakan, pasangan oval.[9] Setiap biji berpanjang 1 cm (1⁄2 in), dengan dasar yang membulat lebar dan punggung tepi yang lebar, berwarna cokelat dengan garis-garis cokelat (disebut tabung minyak) memanjang ¾ dari panjang biji.
Siklus Hidup
Siklus hidup tanaman ini terbagi menjadi empat:[12]
- Tanaman pra-berbunga: Di tahun pertama, daun tumbuh dari biji. Pada tahun-tahun berikutnya, daun-daun bertunas dari akar dan biji yang melewati musim dingin. Fase pra-berbunga berlanjut selama beberapa tahun.
- Tanaman berbunga (tengah musim panas): Setelah berkembang biak beberapa tahun, tanaman telah berbunga.
- Berbiji (Akhir musim panas/Awal gugur): Tanaman berbunga menghasilkan 20.000 atau lebih biji.
- Tangkai mati (Akhir gugur/musim dingin): Setelah menghasilkan biji, tanaman ini mati, meninggalkan tangkai kering dan kepala biji berdiri.
During the first few years of growth, the leaves and stem of a pre-flowering plant die over the winter. In the spring, the plant grows back from its root. In other words, the giant hogweed is a herbaceous perennial.
A giant hogweed plant usually produces a flowering stalk in 3–5 years,[1][13] but plants may take up to eight years to flower if conditions are unfavorable. In the Czech Republic, a single plant reached twelve years old before flowering.[14] In any case, when the plant finally flowers, it does so between June and July (in the northern hemisphere).
Seeds are typically produced in August. A single flowering plant will produce 20,000 seeds on average[15][13] with seed production varying between 10,000 and 50,000 seeds per plant.[14]
Giant hogweed is a monocarpic perennial,[13][8][9] that is, after a mature plant flowers and produces seed, the entire plant dies. During the following winter, tall dead stems mark the locations where the flowering plants once stood.
The seeds are dispersed short distances by wind, but can travel longer distances by water, animals, and people. Most seeds (95%) are found in the top 5 cm (2 in) of the soil within a few meters of the parent plant. Seeds may stay alive in the seed bank for more than five years.[14][15]
A seed deposited in the seed bank is initially dormant. Dormancy is broken by the cold and wet conditions of fall and winter, and so freshly deposited seeds lie dormant until at least the following spring, at which time approximately 90% of the previously dormant seeds will germinate.[13][8] The rest remain dormant in the seed bank.
Seeds normally result from cross-pollination between two or more plants but self-pollination is also possible. More than half the seeds produced by self-pollination will germinate and give rise to healthy seedlings.[13] Hence a single isolated seed may give rise to a colony of new plants.
Spesies serupa
The various species of the genus Heracleum are similar in appearance, but vary in size.[8] H. mantegazzianum is among the tallest, typically reaching 4 m (13 ft) high (atau terkadang lebih dari 5 m (16 ft)), whereas Heracleum species native to Western Europe, such as ordinary Hogweed (H sphondlylium), or North America, such as the cow parsnip (H. maximum), rarely exceed 3 m (10 ft) high.[8][10][13] There are considerable differences in the size of the umbel, leaves, and stem of H. mantegazzianum as well.
The following table compares Heracleum mantegazzianum and Heracleum maximum feature by feature:
Spesies tanaman lain dari famili Apiaceae mempunyai fitur dimana serupa dari hogweed raksasa (H. mantegazzianum). Contoh:
- Di Ontario:[8] lobak sapi (Heracleum maximum), lobak liar (Pastinaca sativa), berbagai spesies angelica (especially Angelica atropurpurea, angelica bertangkai ungu asli), dan renda Ratu Anne (Daucus carota)
- Di Negara Bagian New York:[10] cow parsnip (Heracleum maximum), wild parsnip (Pastinaca sativa), angelica, and poison hemlock.
- Di Eropa:[13] hogweed (Heracleum sphondylium dan Heracleum sphondylium ssp sibiricum), lobak liar (Pastinaca sativa), angelica kebun (Angelica archangelica), dan angelica liar (Angelica sylvestris)
Many more species exist; in Europe, over 20 spesies are found of the genus Heracleum alone.[13]
Tidak ada spesies yang mencapai ukuran serupa, tetapi banyak mempunyai fototoksin.
Some other species, such as the abovementioned Heracleum sosnowskyi and Heracleum persicum, do reach similar sizes, and are equally noxious as a result.
Latar belakang dalam sejarah
Heracleum mantegazzianum is native to the western Caucasus region of Eurasia.[1] Because of its impressive size, giant hogweed was brought to Europe and North America as an ornamental plant and garden curiosity.
The following historical information[13][16][17][14] grew out of the European Giant Alien Project, which began in 2005.
Migrasi di Eropa
Heracleum mantegazzianum was first described in scientific literature in 1895 but by that time more than a dozen European countries had already imported the plant as an "ornamental curiosity". The introduction of Heracleum mantegazzianum was first recorded in Great Britain in 1817 when it was put on the seed list at the Kew Botanic Gardens in London. By 1828, the first natural population was recorded, growing wild in Cambridgeshire, England.
The spread of Heracleum mantegazzianum throughout Europe continued unabated until the middle of the 20th century, at which time the dangers of giant hogweed had become more widely known. Despite the warnings, however, the plant continued to be used by gardeners, beekeepers, and farmers (for cattle fodder) for another 50 years. Heracleum mantegazzianum was finally de-listed by the Royal Horticultural Society of Great Britain in 2002.
Migrasi ke Amerika Utara
During the 20th century, giant hogweed was transported to the United States and Canada for display in arboreta and Victorian gardens. The earliest recorded planting in North America was in 1917, in gardens near Highland Park in the city of Rochester, New York.
By 1950, giant hogweed had appeared in southern Ontario, and within a quarter century, the plant was firmly established in Ontario. It was first collected from Nova Scotia in 1980 and Quebec in 1990. Giant hogweed was still available for sale in Canadian nurseries as late as 2005.
On the west coast of North America, Heracleum mantegazzianum appeared in Oregon, Washington, and southwestern Canada but it is not clear how the species found its way into this region. First reports of giant hogweed in British Columbia were published in the 1930s.
Rusia
Giant hogweed is native to Russia and was further distributed during the late 1960s, later spreading extensively on its own throughout Russia and eastern Europe.[1]
Distribusi
![](http://upload.wikimedia.org/wikipedia/commons/thumb/e/e4/Expansion_of_hogweed_A.svg/220px-Expansion_of_hogweed_A.svg.png)
Hogweed raksasa tersebar luas di seluruh Eropa barat dan utara, terutama di sepanjang daerah seperti pesisir dan tepi sungai.[1] Dengan terbentuknya kepadatan, ini akan menggantikan tanaman aslinya dan mengurangi habitat alam liar.[1][18] Ini juga tersebar di barat laut dan timur laut Amerika Serikat, dan Kanada Selatan dan ini termasuk spesies invasif sepanjang Eropa Barat;[1] di lokasi di mana telah berada, ini melampaui spesies asli setempat, Heracleum sphondylium.[18]
Di Kanada, tanaman ini ada di hampir seluruh provinsinya, kecuali di padang rumput.[1] Ini terakhir terlihat di Quebec semenjak awal 1990-an.[19] Tanaman ini telah tersebar di Ontario dari barat daya dan terlihat pada 2010 di Area Pusat Toronto dan County Renfrew di dekat Ottawa.[20]
In the United States, giant hogweed occurs in Maine, Wisconsin and south to Indiana, Michigan, Maryland, and New Jersey.[21][14][22] In June 2018, it was reported growing in Virginia and North Carolina.[23][24] The plant is federally listed as a noxious weed in the US.[21]
Giant hogweed is widespread in Russia and the Baltic states, and present in eastern Europe.[1]
Keselamatan dan kesehatan umum
![](http://upload.wikimedia.org/wikipedia/commons/thumb/c/cd/Rbk_dolde.jpg/220px-Rbk_dolde.jpg)
Getah dari hogweed raksasa adalah fototoksik. Kontak dengan getah tanaman ini bisa mencegah pelindungan kulit dari sinar matahari, yang mengarah ke fitofotodermatitis, peradangan kulit serius.[25] Reaksi fototoksin bisa terjadi pada 15 menit pertama setelah kontak dengan getahnya. Fotosentisifitas berlangsung antara 30 menit dan 2 jam setelah kontak dan juga bisa dalam beberapa hari.[13][8] Otoritas mengingatkan manusia (tidak terkecuali anak-anak) harus menjauhi tanaman hogweed raksasa.[26][27][28] Baju dengan pelindungan berlapis, juga pelindungan mata, harus dipakai saat mendekati tanaman. Bagian-bagian badan yang bersentuhan dengan getah dari hogweed raksasa harus langsung mencuci tangan dengan sabun dan air dingin, dan paparan sinar matahari lebih lanjut harus dihindari setidaknya 48 jam.[13][18][25] spesies Heracleum lain, misalnya lobak sapi (Heracleum maximum), juga bersifat fototoksik, dan karenanya peringatan serupa disarankan. Karena kemiripan secara fisik dengan renda ratu Anne, hogweed raksasa dan relativitasnya terkadang disalahkan sebagai tanaman tidak berbahaya.[29]
Langkah pengendalian
Because of its phototoxicity and invasive nature, giant hogweed is often actively removed. The European Union funded the Giant Alien project to combat the plant.[30][31][32] On August 2, 2017, it added the species to its List of Invasive Alien Species of Union concern,[33] thus placing restrictions on keeping, importing, selling, breeding and growing it and requiring governments to detect and eradicate it throughout the EU. In the United Kingdom, the Wildlife and Countryside Act 1981 makes it an offence to plant or cause giant hogweed to grow in the wild.[18][34]
In the United States, hogweed is regulated as a federal noxious weed by the U.S. government, and is illegal to import into the United States or move interstate without a permit from the Department of Agriculture.[35] The USDA Forest Service states pigs and cattle can eat it without apparent harm.[36] The New York State Department of Environmental Conservation has had an active program to control giant hogweed since 2008.[37] In 2011, Maine state horticulturists, describing the plant as "renda Ratu Anne di steroid", reported that it has been found at 21 different locations in Maine, with the number of plants ranging from one to a hundred.[38]
Di budaya populer
Album 1971 Nursery Cryme dari grup rok progresif Genesis mengandung musik "The Return of the Giant Hogweed". Dengan lirik yang sangat lucu[39] Menceritakan serangan lomba manusia dengan Heracleum mantegazzianum, lama setelah tanaman 'ditangkap' dan dibawa ke Inggris oleh seorang penjelajah Victoria.[40]
Dalam Musim 10 Episode 3 "Ghosts" (yang tayang perdana pada 20 Oktober 2019) dari seri televisi AMC The Walking Dead, karakter Aaron diserang "pejalan" yang ada bunga hogweed berkembang dari mayat yang membusuk. Aaron berjalan ke kontak jarak dekat hogweed, membuatnya tidak dapat melihat dengan baik, dan lebih rentan terhadap bahaya.[41]
Di novel 1985, Curse of the Giant Hogweed, pencipta misteri populer Charlotte MacLeod menempatkan karakter mapannya Peter Shandy dan rekan-rekannya dalam versi fantasi Wales untuk menyelidiki hogweed raksasa yang membahayakan pagar tanaman Inggris.[42]
Lihat pula
- Heracleum, genus induk
- Spesies Heracleum tinggi-invasif: Heracleum sosnowskyi dan Heracleum persicum
- Spesies Heracleum non-invasif: Heracleum sphondylium dan Heracleum maximum
- Spesies yang disalahkan sebagai Heracleum mantegazzianum:[8][10][13] lobak liar, angelika kebun, angelika liar
- Daftar tanaman beracun
Referensi
- ^ a b c d e f g h i j k l "Heracleum mantegazzianum (giant hogweed)". CABI. November 6, 2018. Diakses tanggal December 8, 2018.
- ^ a b "SafaDhirgham2004/Bak pasir". Germplasm Resources Information Network (GRIN) online database.
- ^ a b c "National Pest Plant Accord". Ministry for Primary Industries, Government of New Zealand. 2012. hlm. 70. Diarsipkan dari versi asli tanggal February 4, 2018.
- ^ a b "Species Profile- Giant Hogweed (Heracleum mantegazzianum)". National Invasive Species Information Center, United States National Agricultural Library.
- ^ Forney, Thomas; Miller, Glenn; Myers-Shenai Beth (May 27, 2009). "Oregon Department of Agriculture Plant Pest Risk Assessment for Giant Hogweed Heracleum mantegazzianum" (PDF). Diarsipkan dari versi asli (PDF) tanggal May 28, 2010.
- ^ "Giant Hogweed". Wild Food UK. Diakses tanggal August 13, 2018.
- ^ Gledhill, David (2008). The Names of Plants (PDF) (edisi ke-4th). Cambridge University Press. hlm. 250. ISBN 9780521866453. Diarsipkan dari versi asli (PDF) tanggal January 7, 2020. Diakses tanggal October 18, 2018.
- ^ a b c d e f g h MacDonald, Francine; Anderson, Hayley (May 2012). "Giant Hogweed (Heracleum mantegazzianum): Best Management Practices in Ontario" (PDF). Ontario Invasive Plant Council, Peterborough, ON. Diakses tanggal September 1, 2018.
- ^ a b c d Stace, C. A. (2010). New Flora of the British Isles
(edisi ke-Third). Cambridge, U.K.: Cambridge University Press. hlm. 450. ISBN 9780521707725.
- ^ a b c d "Giant Hogweed Identification". New York State Department of Environmental Conservation. Diakses tanggal September 6, 2018.
- ^ Parnell, John A. N.; Curtis, T. (2011). Webb's An Irish Flora (edisi ke-8th). Cork University Press. ISBN 978-185918-4783.
- ^ "Beware Giant Hogweed!" (PDF). New York State Department of Environmental Conservation. Diakses tanggal September 1, 2018.
- ^ a b c d e f g h i j k l Booy, Olaf; Cock, Matthew; Eckstein, Lutz; Hansen, Steen Ole; Hattendorf, Jan; Hüls, Jörg; Jahodová, Sárka; Krinke, Lucás; Marovoková, Lanka; Müllerová, Jana; Nentwig, Wolfgang; Nielsen, Charlotte; Otte, Annette; Pergl, Jan; Perglová, Irena; Priekule, Ilze; Pusek, Petr; Ravn, Hans Peter; Thiele, Jan; Trybush, Sviatlana; Wittenberg, Rüdiger (2005). The giant hogweed best practice manual: guidelines for the management and control of invasive weeds in Europe (PDF). Hørsholm: Center for Skov, Landskab og Planlægning/Københavns Universitet. ISBN 87-7903-209-5. Diakses tanggal September 1, 2018.
- ^ a b c d e Gucker, Corey L. (2009). "Heracleum mantegazzianum". Fire Effects Information System. U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (Producer). Diakses tanggal September 11, 2018.
- ^ a b "Giant Hogweed Biology". New York State Department of Environmental Conservation. Diakses tanggal September 1, 2018.
- ^ Klingenstein, F. (2007). "NOBANIS – Invasive Alien Species Fact Sheet – Heracleum mantegazzianum" (PDF). Online Database of the North European and Baltic Network on Invasive Alien Species. NOBANIS. Diakses tanggal September 17, 2018.
- ^ O’Neill Jr., Charles R. (February 2007). "Giant Hogweed (Heracleum mantegazzianum) – Poisonous Invader of the Northeast" (PDF). New York Sea Grant, SUNY College at Brockport. Diakses tanggal September 18, 2018.
- ^ a b c d "Giant hogweed information". NetRegs. U.K. Government. Diarsipkan dari versi asli tanggal February 23, 2007.
- ^ "5 things you need to know about toxic hogweed". CBC News.
- ^ Halfnight, Drew (July 13, 2010). "Giant weed that burns and blinds spreads across Canada". The National Post.
- ^ a b "Plants Profile for Heracleum mantegazzianum (giant hogweed)". plants.usda.gov.
- ^ "Giant hogweed: Not widely spread in Michigan". Landscaping.
- ^ Diebel, Matthew (June 18, 2018). "Giant Hogweed, a Plant That Can Cause Burns and Blindness, Found in Virginia". USA Today.
- ^ Ducharme, Jamie (June 20, 2018). "A Giant Plant That Can Cause Blindness Was Spotted for the First Time in a New State". Time. New York.
- ^ a b "Health Hazards & Safety Instructions for Giant Hogweed (with graphic photos)". New York State Department of Environmental Conservation. Diakses tanggal September 3, 2018.
- ^ "Be aware of Giant hogweed and avoid contact". www.nidirect.gov.uk. NIDirect Government Services. June 15, 2018. Diakses tanggal October 22, 2020.
- ^ "Invasive weeds". www.coventry.gov.uk. Coventry City Council. Diakses tanggal October 22, 2020.
- ^ "Giant hogweed (Hereacleum mantegazzianum)". www.gov.im. Isle of Man Government. Diakses tanggal October 22, 2020.
- ^ "How to spot giant hogweed | CTV News". www.ctvnews.ca. July 15, 2010. Diakses tanggal December 8, 2018.
- ^ "Giant Alien". Giant Alien Project, project no. EVK2-CT-2001-00128, European Union. Diarsipkan dari versi asli tanggal October 3, 2016.
- ^ "Giant alien — Result In Brief". Diakses tanggal July 4, 2018.
- ^ "Giant Hogweed (Heracleum mantegazzianum) – A pernicious invasive weed: Developing a sustainable strategy for alien invasive plant management in Europe". Diakses tanggal July 4, 2018.
- ^ "List of Invasive Alien Species of Union concern". Diakses tanggal July 4, 2018.
- ^ Wildlife & Countryside Act 1981 Section 14 and Schedule 9, Part II.
- ^ "Invasive and Noxious Weeds: Federal Noxious Weeds". Natural Resources Conservation Service. U.S. Department of Agriculture.
- ^ "Giant Hogweed" (PDF). USDA Forest Service. June 20, 2005. Diakses tanggal August 13, 2018.
- ^ "NYSDEC Giant Hogweed Control Program". New Paltz, N.Y.: New York State Department of Environmental Conservation. Diarsipkan dari versi asli tanggal May 6, 2015.
- ^ "State confirms poisonous plant sightings". The Portland Press Herald. May 22, 2012. Diakses tanggal June 21, 2015.
- ^ "The Return of the Giant Hogweed". Musixmatch. Stratsong Ltd., Quartet Music Ltd., Stratsong Limited.
- ^ McParland, Robert (August 9, 2019). The Rock Music Imagination. ISBN 9781498588539.
- ^ "What happened on The Walking Dead this week?". NME. October 21, 2019.
- ^ "The Curse of the Giant Hogweed by Charlotte MacLeod".
Pranala luar
Informasi terkait dengan Heracleum mantegazzianum dari Wikispecies.
Media tentang Heracleum mantegazzianum di Wikimedia Commons
- Giant Hogweed (Heracleum mantegazzianum): A Federal Noxious Weed U.S. Department of Agriculture
- "Giant Hogweed". the Ontario [Canada] Federation of Anglers & Hunters.
- Photo of blisters caused by the plant (Graphic) from the Finnish Environment Institute (dalam bahasa Finlandia) (archived February 6, 2012)
- Surveys for natural enemies of giant hogweed (Heracleum mantegazzianum) in the Caucasus region and assessment for their classical biological control potential in Europe
- "Beware Giant Hogweed!" brosur dari Departemen Konservasi Lingkungan Negara Bagian New York
- "Giant Hogweed in Germany"
- "Photo bank: Heracleum mantegazzianum". Alien Species photo bank. NOBANIS. Diakses tanggal September 20, 2018.
- Species Profile – Giant Hogweed (Heracleum mantegazzianum), National Invasive Species Information Center, United States National Agricultural Library.
- Antonova, Maria, "A Toxic Alien Is Taking Over Russia", The New York Times, October 3, 2020
- The Day of the Giant Hogweed! John Harrison
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Uji coba Halaman Gerhana bulan Januari 2019
Gerhana total | |||||||||||||||||
![]() Akhir totalitas di Oria, 5:43 UTC | |||||||||||||||||
Tanggal | 20 Januari 2019 | ||||||||||||||||
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Gamma | 0.3684 | ||||||||||||||||
Magnitudo | 1.1953 | ||||||||||||||||
Siklus Saros | 134 (27 of 73) | ||||||||||||||||
Totalitas | 61 menit, 59 detik | ||||||||||||||||
Sebagian | 196 menit, 45 detik | ||||||||||||||||
Penumbra | 311 menit, 30 detik | ||||||||||||||||
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Gerhana bulan terjadi pada tanggal 21 Januari 2019 UTC {Waktu Universal Terkoodirnasi). Untuk pengamat dari Amerika, Gerhana ini terjadi sore, 20 Januari dan berakhir pada dini hari, 21 Januari. Untuk pengamat dari Eropa dan Afrika, gerhana ini terjadi pada dini hari, 21 Januari. Bulan sempat mendekati perigeo pada 21 Januari dan juga disebut "superbulan".[1]
Dari superbulan tersebut juga disebut bulan serigala (bulan purnama pertama pada setahun kalender), hal ini juga menyebutnya "superbulan serigala darah"; diambil dari warna merah yang khas saat gerhana bulan tersebut.[2] Gerhana ini adalah gerhana bulan total terakhir hingga Mei 2021. Ini adalah Superbulan Purnama karena terjadi kurang dari sehari sebelum perigee dan Bulan ini jaraknya kurang dari 360,000 km (223,694 mi).
Observatorium Griffith di Los Angeles menangkap sebuah klip dimana sebuah meteor antara biji ek dan bola tenis bertabrakan saat gerhana.[3] Tabrakan tersebut terjadi pada pukul 4:41 UTC, dari sisi kiri dari bulan.[4] Ini salah satu tabrakan yang terdokumentasi ketika gerhana sedang berlangsung.[5][6]
Wilayah yang terlihat
Gerhana ini terlihat di Amerika Utara dan Amerika Selatan, juga sebagian dari Eropa Barat dan Afrika Utara. Untuk beberapa tempat di Amerika Utara, gerhana mulai pada sore tanggal 20 Januari, the eclipse began during the evening hours of January 20. Observers at locations in Europe and much of Africa were able to view part of the eclipse before the Moon set in the early morning (pre-dawn) hours of January 21.
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Waktu
Fase penumbra sedikit mengubah tampilan bulan, terlihat samar dan tidak menyadarinya.[7]
Time zone
adjustments from UTC |
Amerika | Atlantik | Eropa/Afrika | ||||||||||
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-8h | -7h | -6h | -5h | -4h | -3h | -2h | -1h | 0h | +1h | +2h | +3h | ||
PST | MST | CST | EST | AST | GMT | WEST | CEST | FET | |||||
Kontak | Sore, 20 Januari | Pagi, 21 Januari | |||||||||||
P1 | Penumbra mulai* | 6:37 pm | 7:37 pm | 8:37 pm | 9:37 pm | 10:37 pm | 11:37 pm | 12:37 am | 1:37 am | 2:37 am | 3:37 am | 4:37 am | 5:37 am |
U1 | Sebagian mulai | 7:34 pm | 8:34 pm | 9:34 pm | 10:34 pm | 11:34 pm | 12:34 am | 1:34 am | 2:34 am | 3:34 am | 4:34 am | 5:34 am | 6:34 am |
U2 | Total mulai | 8:41 pm | 9:41 pm | 10:41 pm | 11:41 pm | 12:41 am | 1:41 am | 2:41 am | 3:41 am | 4:41 am | 5:41 am | 6:41 am | 7:41 am |
Puncak | 9:12 pm | 10:12 pm | 11:12 pm | 12:12 am | 1:12 am | 2:12 am | 3:12 am | 4:12 am | 5:12 am | 6:12 am | 7:12 am | 8:12 am | |
U3 | Total berakhir | 9:43 pm | 10:43 pm | 11:43 pm | 12:43 am | 1:43 am | 2:43 am | 3:43 am | 4:43 am | 5:43 am | 6:43 am | 7:43 am | 8:43 am |
U4 | Sebagian berakhir | 10:51 pm | 11:51 pm | 12:51 am | 1:51 am | 2:51 am | 3:51 am | 4:51 am | 5:51 am | 6:51 am | 7:51 am | 8:51 am | 9:51 am |
P4 | Penumbra berakhir* | 11:48 pm | 12:48 am | 1:48 am | 2:48 am | 3:48 am | 4:48 am | 5:48 am | 6:48 am | 7:48 am | 8:48 am | 9:48 am | 10:48 am |
Observations
America
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Austin, Texas, 3:57 UTC
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Seattle, Washington, 4:27 UTC
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Lindsborg, Kansas, 4:40 UTC
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Buenos Aires, Argentina, 4:40 UTC
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San Diego, California, 4:41 UTC
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Tres Piedras, New Mexico, 4:42 UTC
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Chihuahua, Meksiko), 4:44 UTC
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Chapel Hill, North Carolina, 5:02 UTC
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Denver, Colorado, 5:03 UTC
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Totality in Coralville, Iowa, 5:07 UTC (23:07 Local Time)
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Macon, Georgia, 5:18 UTC
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Whitpain Township, Pennsylvania, 5:26 UTC
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Kota New York, New York, 5:37 UTC
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Animasi dari Taubaté, Brazil
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Dari Victoria, Kanada saat totalitas
Eropa
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Sebagian dari Moskwa, Rusia, 3:49 UTC
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Estonia, 4:41 UTC
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Järna, Swedia, 4:48 UTC
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Finlandia, 6:02 UTC
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Sandl, Austria
Tampilan
Terjadi pada konstelasi Kanser, tepatnya di barat Gugus Sarang Lebah.
Tabrakan terungkap
Livestreams detected a flash of light while viewing the eclipse. It was "likely caused by the crash of a tiny, fast-moving meteoroid left behind by a comet."[5]
Originally thinking it was electronic noise from the camera, astronomers and citizen scientists shared the visual phenomenon with each other to identify it.[5]
When totality was just beginning at 4:41 UT, the tiny speck of light blinked south of a nearly 55-mile-wide crater in the western part of the moon.[8]
The location of the impact may be somewhere in the lunar highlands, selatan kawah Byrgius, menurut Justin Cowart, seorang mahasiswa yang lulus geosains dari Universitas Stony Brook, New York yang pertama kali menangkap kedipan cahaya[5]
“A meteoroid about this size hits the moon about once a week or so,” said Cowart.[8]
This may be the first time that a collision, during a total lunar eclipse, was captured on video.[5]
“I have not heard of anyone seeing an impact like this during a lunar eclipse before,” said Sara Russell, a professor of planetary sciences at the Natural History Museum in London.[5]
People posted their images and video of a flicker of light as news spread quickly on social media.[8]
Working overtime, co-director of the Deteksi dan Analisis Tabrakan Bulan, MIDAS, an astrophysicist at the Universitas Huelva di Spanyol, Jose Maria Madiedo, set up eight telescopes to watch for any impacts during the eclipse.[8]
“Something inside of me told me that this time would be the time,” kata Madiedo.[8]
A paper calculated a mass between 20 and 100 kilograms and diameter of 30 to 50 cm that may have caused a 7–15 meter crater located "inside a triangle with vertices in the kawah Lagrange H, K and X".[9] Other astronomers estimated a 10-15 meter crater from a 45 kg asteroid moving 61,000 km/h.[10]
Gerhana terkait
Gerhana-gerhana 2019
- Gerhana matahari sebagian pada 6 Januari 2019.
- Gerhana bulan total pada 21 Januari 2019.
- Gerhana matahari pada 2 Juli 2019.
- Gerhana bulan sebagian pada 16 Juli 2019.
- Gerhana matahari cincin pada 26 Desember 2019.
Lunar year series
Seri gerhana bulan 2016-2020 | ||||||||
---|---|---|---|---|---|---|---|---|
Nodus menurun | Nodus menaik | |||||||
Saros | Tanggal Peta |
Tipe Tampilan |
Gama | Saros | Tanggal Peta |
Tipe Tampilan |
Gamma | |
109 | 18 Agustus 2016![]() |
Penumbra![]() |
1.56406 | 114![]() |
11 Februari 2017![]() |
Penumbra![]() |
-1.02548 | |
119![]() |
07 Agustus 2017![]() |
Sebagian![]() |
0.86690 | 124![]() |
31 Januari 2018![]() |
Total![]() |
-0.30143 | |
129![]() |
27 Juli 2018![]() |
Total![]() |
0.11681 | 134![]() |
21 Januari 2019![]() |
Total![]() |
0.36842 | |
139![]() |
16 Juli 2019![]() |
Sebagian![]() |
-0.64300 | 144![]() |
10 Januari 2020![]() |
Penumbra![]() |
1.07270 | |
149 | 05 Juli 2020![]() |
Penumbral![]() |
-1.36387 | |||||
Set terakhir | 16 September 2016 | Set terakhir | 23 Maret 2016 | |||||
Set berikutnya | 05 Juni 2020 | Set berikutnya | 30 November 2020 |
Saros
Gerhana ini bagian dari Siklus Saros seri 134.
Siklus setengah-Saros
Sebuah gerhana bulan akan didahului dan diteruskan oleh gerhana matahari selama 9 tahun 5,5 hari (sebuah siklus setengah saros).[11] Gerhana bulan ini telah terkait 2 gerhana matahari cincin yang merupakan bagian dari Saros Matahari 141.
15 Januari 2010 | 26 Januari 2028 |
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Detail lebih lanjut
Magnitudo Penumbra = 2.16972 (216.972%)
Magnitudo Umbra = 1.19657 (119.657%)
Gama = 0.36842 (36.945%)
Epsilon = 0.3763° (0°22’34.68”)
Puncak Gerhana = 2019 Jan 21 at 05:12:18.0 UTC
Oposisi Ekliptika = 2019 Jan 21 at 05:16:04.9 UTC
Oposisi Khatulistiwa = 2019 Jan 21 at 05:07:42.5 UTC
Kenaikan Kanan dari Khatulistiwa Matahari = 20.205h
Deklinasi Khatulistiwa Matahari = -19.96°
Diameter Matahari Tampak = 1950.4 detik busur
Paralaks Horisontal Khatulistiwa Matahari = 17.8 arcseconds
Moon’s Equatorial Right Ascension = 8.208h
Moon’s Equatorial Declination = +20.34°
Moon’s Apparent Diameter = 2004.2 arcseconds
Moon’s Equatorial Horizontal Parallax = 7355.8 arcseconds
Earth’s Shadow’s Equatorial Right Ascension = 8.205h
Earth’s Shadow’s Equatorial Declination = +19.96°
Earth’s Penumbral Shadow Diameter = 9424.8 arcseconds
Earth’s Umbral Shadow Diameter = 5523.84 arcseconds
Saros = 134 (27 dari 73)
Nodus Orbit = Nodus Menaik
Jarak Bulan = 357,718 km (222,276 mi)
Lihat pula
Referensi
- ^ Rogers, James (20 January 2019). "'Super blood Moon' eclipse stuns in remarkable pictures". Fox News.
- ^ "Super blood wolf moon: stargazers battle cold and clouds to view lunar eclipse". The Guardian. January 21, 2019. Diakses tanggal January 21, 2019.
- ^ Meghan Bartels (22 January 2019). "Watch a Meteor Smack the Blood Moon in This Lunar Eclipse Video". Space.com. Diakses tanggal 22 January 2019.
- ^ "A meteor hit the moon during the lunar eclipse. Here's what we know". Science & Innovation. 22 January 2019.
- ^ a b c d e f Andrews, Robin George (2019-01-23). "During the Lunar Eclipse, Something Slammed Into the Moon". The New York Times (dalam bahasa Inggris). ISSN 0362-4331. Diakses tanggal 2019-01-23.
- ^ "Video: A Meteorite Hit the Moon During the Recent Eclipse!". Jason Kottke. 23 January 2019.
- ^ Espenak, Fred. "Lunar Eclipses for Beginners". MrEclipse. Diakses tanggal April 7, 2014.
- ^ a b c d e "A meteor hit the moon during the lunar eclipse. Here's what we know". 2019-01-22. Diakses tanggal 2019-01-24.
- ^ Location, orbit and energy of a meteoroid impacting the moon during the Lunar Eclipse of January 21, 2019
- ^ The space rock that hit the Moon at 61,000 kilometres an hour | The Royal Astronomical Society
- ^ Mathematical Astronomy Morsels, Jean Meeus, p.110, Chapter 18, The half-saros
Pranala luar
- 2019 Jan 21 diagram: Prediksi Gerhana oleh Fred Espenak, NASA/GSFC