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Dosya:NGC7172 - HST - Potw2213a.jpg

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Özet

Açıklama
English: More Than Meets the Eye


Tendrils of dark dust can be seen threading across the heart of the spiral galaxy NGC 7172 in this image from the NASA/ESA Hubble Space Telescope. The galaxy lies approximately 110 million light-years from Earth in the constellation Piscis Austrinus. The lane of dust threading its way across NGC 7172 — which is viewed side-on in this image — is obscuring the luminous heart of the galaxy, making NGC 7172 appear to be nothing more than a normal edge-on spiral galaxy.

When astronomers inspected NGC 7172 across the electromagnetic spectrum they quickly discovered that there was more to it than meets the eye: NGC 7172 is a Seyfert galaxy — a type of galaxy with an intensely luminous active galactic nucleus powered by matter accreting onto a supermassive black hole.

This image combines data from two sets of Hubble observations, both of which were proposed to study nearby active galactic nuclei. The image also combines data from two instruments — Hubble’s Advanced Camera for Surveys (ACS) and Wide Field Camera 3 (WFCS).

Credit:

ESA/Hubble & NASA, D. J. Rosario, A. Barth

Acknowledgement: L. Shatz 


Coordinates
Position (RA):  	22 2 1.47
Position (Dec): 	-31° 52' 17.76"
Field of view:  	2.05 x 2.09 arcminutes
Orientation:    	North is 173.9° left of vertical

Colours & filters Band	Wavelength	Telescope
Optical V        	606 nm   	Hubble Space Telescope WFC3
Optical V        	606 nm   	Hubble Space Telescope ACS
Optical I        	814 nm   	Hubble Space Telescope ACS
Infrared H       	1.6 μm   	Hubble Space Telescope WFC3
.
Tarih 28 March 2022, 06:00(released)
Kaynak https://esahubble.org/images/potw2213a/
Yazar

Credit:

ESA/Hubble & NASA, J. Lee and the PHANGS-HST Team
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Atıf: ESA/Hubble & NASA, D. J. Rosario, A. Barth Acknowledgement: L. Shatz
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güncel06.16, 28 Mart 202206.16, 28 Mart 2022 tarihindeki sürümün küçültülmüş hâli3.105 × 3.163 (2,22 MB)Fabian RRRR== {{int:filedesc}} == {{Information |description={{en|1='''More Than Meets the Eye Tendrils of dark dust can be seen threading across the heart of the spiral galaxy NGC 7172 in this image from the NASA/ESA Hubble Space Telescope. The galaxy lies approximately 110 million light-years from Earth in the constellation Piscis Austrinus. The lane of dust threading its way across NGC 7172 — which is viewed side-on in this image — is obscuring the luminous heart of the galaxy, making NGC 7172 appe...

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