Arp 186 (Gary Imm)

Celestial hemisphere: Southern · Constellation: Eridanus (Eri) · Contains: NGC 1614

Arp 186

This object, also known as NGC 1614, is a rarely imaged highly distorted barred spiral galaxy located 210 million light years away in the constellation of Eridanus at a declination of -8 degrees. This object spans 2 arc-minutes in our apparent view, which corresponds to a span of about 120,000 light years.

The galaxy structure is fascinating. The brightest portions - a stellar-like core and 2 spiral blue arms - look relatively normal. The core looks orangish and the HST shows that this is due to dust lanes wrapping around the core. But two wild star streams catch the eye - the broad extension of one of the arms to the upper right, and a narrow tail with multiple bright star clusters that emerges from the core and runs to the upper left.

These streams are an obvious sign of disturbance but I don't see a companion in sight. The small edge-on galaxy to the upper left (2MFGC 3719) and the small one to the upper right (6dFGS gJ043423.9-083914) do not seem like good candidates. I could not find distance estimates for them. It is likely that the interacting galaxy could already have been absorbed or torn apart.

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Description: Comparison to Original Arp Image

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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

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Status	Advanced success
Started	...
Astrometry.net job	3164310
PixInsight job	JOHNN54XPCSB7FRQYQQ9YTA0R60AZ8H7
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	04h34m00s.514
RA (top/left)	04h33m37s.190
RA (top/right)	04h34m33s.476
RA (bottom/right)	04h34m23s.828
RA (bottom/left)	04h33m27s.565

Dec (center)	-08°34′44″.40
Dec (top/left)	-08°41′02″.52
Dec (top/right)	-08°37′20″.81
Dec (bottom/right)	-08°28′22″.46
Dec (bottom/left)	-08°32′04″.21

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