Widefield ASKAP L-Band Legacy All-Sky Blind Survey

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Widefield ASKAP L-band Legacy All-sky Blind surveY (WALLABY) [1][2][3] bụ nyocha ọgbọ na-esote nke 21 cm redio sitere na Hydrogen na-anọpụ iche (HI) na Local Universe.  Ọ bụ Australian Square Kilometer Array Pathfinder (ASKAP) telescope na-akwado ya, WALLABY ga-enyocha ụzọ atọ n'ụzọ anọ nke mbara igwe n'elu -90 ° ruo +30 ° ruo redshift nke 0.26. Ọ ga-enwe mkpebi nkuku nke 30 arcsec na mmetụta nke 1.6 mJy /beam na ọwa 4 km / s ọ bụla.  A na-atụ anya na WALLABY ga-achọpụta ihe dị ka ụyọkọ kpakpando Narị puku ise na redshift nke 0.05, na nkezi nke ihe dị ka 200 Mpc. Ihe mgbaru ọsọ sayensị nke WALLABY gụnyere:  

  • ọnụ ọgụgụ nke ụyọkọ kpakpando ndị jupụtara na gas na nso nke Local Group;
  • ọmụmụ nke njirimara HI nke ụyọkọ kpakpando, ìgwè na ụyọkọ, gụnyere mmetụta nke gburugburu ebe obibi na evolushọn ụyọkọ.

Akụkọ ihe mere eme[dezie | dezie ebe o si]

Ndị otu B. S. Koribalski na L. Staveley-Smith duziri atụmatụ ọrụ WALLABY na 2009. ASKAP họọrọ ya na abụọ kachasị elu n'ime ọrụ nyocha sayensị iri, yana Koribalski na Staveley-Smith bụ ndị isi nyocha. Koribalski kwụsịrị n'afọ 2019. Ugbu a, Lister Staveley-Smith bụ onye nyocha isi, Karen Lee-Waddell bụ ọkà mmụta sayensị na-arụ ọrụ, na Tobias Westmeier bụ onye njikwa ọrụ .. Ndị otu WALLABY nwere ugbu a karịa ndị otu one hundred and fifty. [4] ugbu a.

Nsonaazụ sayensị mbụ[dezie | dezie ebe o si]

E bipụtara ọtụtụ nsonaazụ sayensị site na nchọpụta WALLABY Early Science. Ihe ndị dị mkpa gụnyere nchọpụta atọ nke ìgwè ụyọkọ kpakpando, [5] [6] [7] na nyocha abụọ zuru ezu nke ụyọkọ ụyọkọ ndị dị nso. [8] [9]

Nnyocha ụgbọelu WALLABY[dezie | dezie ebe o si]

N'ịkwadebe maka nyocha WALLABY zuru oke, nke a na-atụ anya ịmalite n'afọ 2021, WALLAPY mere nyocha nyocha n'afọ 2020, nke nwere mpaghara nyocha atọ na ntụziaka nke Hydra, NGC 4636 na Norma. A hụla data niile n'ụzọ zuru ezu, a na-emekwa ka ogige Hydra dị mma ma see ya, na-eduga na ntọhapụ mbụ nke data maka ihe fọrọ nke nta ka ọ bụrụ nchọpụta HI 150 na ntụziaka nke ụyọkọ Hydra. Ndị otu sayensị WALLABY na-enyocha data Hydra ugbu a, a na-atụkwa anya akwụkwọ sayensị mbụ na ngwụcha 2020.   [citation needed]

Edensibia[dezie | dezie ebe o si]

  1. ↑ Schinckel (16 January 2017). The Australian Square Kilometre Array Pathfinder finally hits the big-data highway (en). The Conversation. Retrieved on 2020-10-12.
  2. ↑ Koribalski (2020-07-13). "WALLABY – an SKA Pathfinder H i survey" (in en). Astrophysics and Space Science 365 (7): 118. DOI:10.1007/s10509-020-03831-4. ISSN 1572-946X. 
  3. ↑ WALLABY Survey – WALLABY Survey Site (en-US). Retrieved on 2020-10-12.
  4. ↑ Team – WALLABY Survey (en-US). Retrieved on 2020-10-12.
  5. ↑ For (2019-11-11). "WALLABY early science − V. ASKAP H i imaging of the Lyon Group of Galaxies 351" (in en). Monthly Notices of the Royal Astronomical Society 489 (4): 5723–5741. DOI:10.1093/mnras/stz2501. ISSN 0035-8711. 
  6. ↑ Lee-Waddell (2019-08-21). "WALLABY Early Science – II. The NGC 7232 galaxy group" (in en). Monthly Notices of the Royal Astronomical Society 487 (4): 5248–5262. DOI:10.1093/mnras/stz017. ISSN 0035-8711. 
  7. ↑ Reynolds (2019-01-21). "WALLABY early science – I. The NGC 7162 galaxy group" (in en). Monthly Notices of the Royal Astronomical Society 482 (3): 3591–3608. DOI:10.1093/mnras/sty2930. ISSN 0035-8711. 
  8. ↑ Kleiner (2019-10-01). "WALLABY Early Science – IV. ASKAP H i imaging of the nearby galaxy IC 5201" (in en). Monthly Notices of the Royal Astronomical Society 488 (4): 5352–5369. DOI:10.1093/mnras/stz2063. ISSN 0035-8711. 
  9. ↑ Elagali (2019-08-01). "WALLABY early science – III. An H i study of the spiral galaxy NGC 1566" (in en). Monthly Notices of the Royal Astronomical Society 487 (2): 2797–2817. DOI:10.1093/mnras/stz1448. ISSN 0035-8711. 
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