UGC 9562 & UGC 9560 (Gary Imm)

Celestial hemisphere: Northern · Constellation: Boötes (Boo) · Contains: PGC 2065167 · PGC 2066102 · PGC 53014 · PGC 53039

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UGC 9562 & UGC 9560

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UGC 9562 & UGC 9560

This obscure target is a pair of tiny dwarf galaxies is located in the constellation of Bootes at a declination of +36 degrees. Both galaxies are about 70 million light years away.

UGC 9562 is on the left, its companion UGC 9560 on the right. The galaxies are also known as II Zw 71 and II Zw 70 respectively. These galaxies are small – each spans 1 arc-minute in our apparent view and has an actual diameter of about 20,000 light years. The two galaxies are separated by about 100,000 light years.

Both galaxies have interesting structures. UGC 9562 is a polar ring galaxy, as described in the 2000 paper, “Stars & Gas in the Galaxy Pair II Zw 70/71”, by Cox, Sparke, Watson and van Moorsel. This polar ring galaxy is probably the strangest one I have ever seen. The white disk is a typical lenticular disk, extending from lower left to upper right. Perpendicular to this is a blue arcing stream of stars with several HII knots.

UGC 9560 has a bluish core and a warped whitish disk. Detailed studies reveal a faint stream of gas connecting these 2 galaxies. The paper describes this galaxy pair as one of the best known candidates for a polar ring in the process of formation by accretion of gas from a nearby companion.

ZWO ASI1600MM/QHY163M
Images from the EdgeHD Series
Unique or Unusal Deep Sky Targets
Cloudy Nights
First on Astrobin
Schmidt-Cassegrain Telescope (SCT) Imagers
Texas Astronomy

Astrobin Debuts (670 DSOs)
Galaxy - Polar Ring

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Status	Advanced success
Started	...
Astrometry.net job	3413563
PixInsight job	Q1FCYL32Z41P0JQ1KTRWXI9YJFALN9TJ
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	14h51m08s.102
RA (top/left)	14h51m40s.272
RA (top/right)	14h50m28s.298
RA (bottom/right)	14h50m36s.170
RA (bottom/left)	14h51m47s.838

Dec (center)	+35°33′04″.62
Dec (top/left)	+35°39′12″.78
Dec (top/right)	+35°36′56″.34
Dec (bottom/right)	+35°26′56″.00
Dec (bottom/left)	+35°29′12″.40

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UGC 9562 & UGC 9560

UGC 9562 & UGC 9560

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UGC 9562 & UGC 9560

UGC 9562 & UGC 9560

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