Fayl:NGC7020 - Iotw2224a.jpg

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Taʼrif

English: A Hexagonal Galactic Center

NGC 7020, a barred lenticular galaxy in the southern constellation Pavo, holds a geometric mystery. Clear but subtle in this image from Gemini South, one half of the International Gemini Observatory, a Program of NSF’s NOIRLab, the core of NGC 7020 is visibly hexagonal in shape. A hexagon is not a common shape for any celestial body, let alone an entire galaxy. To form a hexagonal structure such as this, a considerable number of stars must orbit in a very narrow band. This orbital path includes two denser regions of stars seen on the left and right sides of the hexagon, which are known as “ansae”. NGC 7020’s unusual shape seems to be the product of a very rare orbital resonance, or an as-yet-unknown phenomenon.

The 8-meter Gemini South telescope is located on Cerro Pachón in the Chilean Andes. Along with the other half of the international Gemini observatory, Gemini North in Hawai‘i, these two telescopes give us a deep view of the entire night sky.

Credit: International Gemini Observatory/NOIRLab/NSF/AURA/H. Dottori, R. J. Díaz, G. Gimeno

Image processing: T.A. Rector (University of Alaska Anchorage/NSF’s NOIRLab), M. Zamani (NSF’s NOIRLab) & D. de Martin (NSF’s NOIRLab)

Position (RA):    	21 11 19.85
Position (Dec):  	-64° 1' 32.54"
Field of view:      	5.44 x 4.53 arcminutes
Orientation:       	North is 300.0° right of vertical

Colors & filters Band Wave-length Tele-scope Optical g 475 nm Gemini South GMOS-S Optical r 630 nm Gemini South GMOS-S Optical i 780 nm Gemini South GMOS-S Optical H-alpha 656 nm Gemini South GMOS-S

.

Sanasi

June 15, 2022 (release)

Manba

https://noirlab.edu/public/images/iotw2224a/

Muallif

Credit: International Gemini Observatory/NOIRLab/NSF/AURA/H. Dottori, R. J. Díaz, G. Gimeno

Image processing: T.A. Rector (University of Alaska Anchorage/NSF’s NOIRLab), M. Zamani (NSF’s NOIRLab) & D. de Martin (NSF’s NOIRLab)

Ruxsat
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atribut – Siz tegishli litsenziyaga havolani taqdim etishingiz va oʻzgartirishlar kiritilganligini koʻrsatishingiz kerak. Siz buni har qanday oqilona yoʻl bilan qilishingiz mumkin, lekin litsenziar Sizni yoki Sizning foydalanishingizni ma'qullashini taklif qiladigan tarzda emas.

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	Sana/Vaqt	Miniatura	Oʻlchamlari	Foydalanuvchi	Izoh
joriy	05:48, 2022-yil 16-iyun		2 238 × 1 863 (1,12 MB)	wikimediacommons>Fabian RRRR	== {{int:filedesc}} == {{Information \|description={{en\|1='''A Hexagonal Galactic Center NGC 7020, a barred lenticular galaxy in the southern constellation Pavo, holds a geometric mystery. Clear but subtle in this image from Gemini South, one half of the International Gemini Observatory, a Program of NSF’s NOIRLab, the core of NGC 7020 is visibly hexagonal in shape. A hexagon is not a common shape for any celestial body, let alone an entire galaxy. To form a hexagonal structure such as this,...

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Bu faylga quyidagi sahifa bogʻlangan:

NGC 7020

Metama’lumot

Bu fayl qoʻshimcha maʼlumotlarni oʻz ichiga oladi, ehtimol uni tuzish yoxud raqamlashtirish uchun raqamli kamera yoki skanerdan foydalanilgan.

Agar fayl asl holatidan oʻzgartirilgan boʻlsa, baʼzi tafsilotlar oʻzgartirilgan faylni toʻliq aks ettirmasligi mumkin.

Credit/Provider	International Gemini Observatory/NOIRLab/NSF/AURA/H. Dottori, R. J. Díaz, G. Gimeno Image processing: T.A. Rector (University of Alaska Anchorage/NSF’s NOIRLab), M. Zamani (NSF’s NOIRLab) & D. de Martin (NSF’s NOIRLab)
Source	NSF's NOIRLab
Short title	A Hexagonal Galactic Center
Image title	NGC 7020, a barred lenticular galaxy in the southern constellation Pavo, holds a geometric mystery. Clear but subtle in this image from Gemini South, one half of the International Gemini Observatory, a Program of NSF’s NOIRLab, the core of NGC 7020 is visibly hexagonal in shape. A hexagon is not a common shape for any celestial body, let alone an entire galaxy. To form a hexagonal structure such as this, a considerable number of stars must orbit in a very narrow band. This orbital path includes two denser regions of stars seen on the left and right sides of the hexagon, which are known as “ansae”. NGC 7020’s unusual shape seems to be the product of a very rare orbital resonance, or an as-yet-unknown phenomenon. The 8-meter Gemini South telescope is located on Cerro Pachón in the Chilean Andes.Along with the other half of the international Gemini observatory, Gemini North in Hawai‘i, these two telescopes give us a deep view of the entire night sky.
Usage terms	Creative Commons Attribution 4.0 International License
Date and time of data generation	10:14, 2022-yil 15-iyun
Software used	Adobe Photoshop 23.3 (Windows)
File change date and time	03:00, 2022-yil 13-iyun
Date and time of digitizing	11:44, 2021-yil 22-aprel
Date metadata was last modified	05:00, 2022-yil 13-iyun
Unique ID of original document	xmp.did:ba2362d0-06bb-374e-bc2d-d70d08da2b9d
Keywords	NGC 7020
Contact information	-{R\|https://noirlab.edu}- 950 North Cherry Ave. Tucson, AZ, 85719 USA
IIM version	4

Fayl:NGC7020 - Iotw2224a.jpg

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mualliflik huquqi litsenziyasi

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