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Topic: NGC 5195

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	NGC 5195 - Wikipedia, the free encyclopedia
		NGC 5195 (also known as M51B) is a small barred spiral galaxy which was transformed into an irregular galaxy due to tidal forces induced by its larger neighbour M51.
		NGC 5195 is a satellite galaxy of the famous Whirlpool Galaxy (M51).
		NGC 5195 is tidally interacting with one M51's spiral arms.
	en.wikipedia.org /wiki/Irregular_Galaxy_NGC_5195 (241 words)

	NGC 5195
		NGC 5195, the companion of M51, was discovered by Pierre Méchain on March 20, 1781.
		Because of Messier's description, NGC 5195 is sometimes considered as part of Messier Object 51; then the main galaxy, NGC 5194, is denoted M51 A. Independent of this, NGC 5195 is frequently referred to as M51 B. This galaxy has undergone a close encounter with the larger and more massive M51 several million years ago.
		NGC 5195 can be seen in many images of M51.
	www.seds.org /messier/xtra/ngc/n5195.html (249 words)

	Whirlpool Galaxy - Wikipedia, the free encyclopedia
		Its companion galaxy, NGC 5195, was discovered in 1781 by Pierre Méchain.
		In 2005 a supernova (SN 2005cs) was observed in the Whirlpool Galaxy, peaking at apparent magnitude 14.
		NGC 5195 come from behind M51 through the disk towards the observer, made another disk crossing as recently as 50 to 100 Myrs ago until it is where we observe it to be now, slightly behind M51.
	en.wikipedia.org /wiki/Whirlpool_Galaxy (1343 words)

	Cosmic Voyage-The Online Resource for Amateur Astronomers (Site not responding. Last check: 2007-10-24)
		Their NGC designations are 5194 and 5195, with NGC 5195 included in the Herschel 400 observing list.
		As a side note, many amateurs assume NGC 5195 is not part of M51.
		Pierre Mechain discovered NGC 5195 in 1781 and his description, which clearly mentions both galaxies, was published in Messier's 1784 catalog.
	members.aol.com /billferris/n5195h.html (360 words)

	M51text
		NGC 5194 (also known as M51A) represents the magnificent spiral, while NGC 5195 (also known as M51B) is likely an irregular type dwarf galaxy now located behind the larger spiral galaxy.
		The apparent spiral arm-bridge (northern arm) between the two galaxies is an illusion as NGC 5195 is far behind the NGC 5194, the near spiral arm being superimposed over the disk of NGC 5195 in the same line of sight.
		A visible area of intense star formation is conspicuous near the nucleus of NGC 5195 and was almost surely triggered from the time of the recent approach.
	www.robgendlerastropics.com /M51text.html (687 words)

	The M101 Group
		It has recently had a close encounter with NGC 5195 and the encounter has had the effect of producing very pronounced spiral arms in M51 as well as spraying billions of stars of NGC 5195 into intergalactic space.
		Irr 0.9 10 432 KKH 87 NGC 5585 14 19.8 +56 44 11.2 SBc 5.8 40 412 UGC 9405 14 35.4 +57 15 14.5 Irr 1.7 10 310 DDO 194
		NGC 5474 (centre) is a disturbed spiral galaxy which has probably had a close encounter with M101 in its recent history.
	www.atlasoftheuniverse.com /galgrps/m101.html (519 words)

	Deepsky Top 100: M 51 and NGC 5195 in Canes Venatici
		M 51 (NGC 5194), the Whirlpool Galaxy, is a face-on spiral galaxy in Canes Venatici.
		NGC 5195 is 6.4' by 4.6' with a visual magnitude of 9.6 and a surface brightness of 13.1.
		With an 8-inch telescope under light-polluted skies, both the cores of M 51 and NGC 5195 are visible, when the transparency is not too bad.
	www.backyard-astro.com /deepsky/top100/08.html (411 words)

	Doug's Deep Sky Challenge - Astronomical Companions.
		NGC 5195, at magnitude 9.6, is easily seen just a few arc minutes to the north of its spectacular face-on spiral parent.
		M32, or NGC 221, is an elliptical galaxy that shines at magnitude 8.1.
		NGC 7331 - By far, the spiral galaxy NGC 7331, in the constellation Pegasus, is not nearly as famous as M51 or M31, but it is still worth checking out.
	www.umich.edu /~lowbrows/reflections/2006/dscobel.23.html (1174 words)

	homepage3
		M87,M84,M85,M86, and a whole load of fainter NGC galaxy's which were visible in the "Big" dob.
		NGC 4565 in Coma Berenices was another target.
		NGC 4874 is one of the brighter members of this cluster.
	easyweb.easynet.co.uk /paul.brierley/observationreports.htm (1136 words)

	Messier Object 51
		Its companion, NGC 5195, was discovered in 1781 by his friend, Mechain, so that it is mentioned in his 1784 catalog: `It is double, each has a bright center, which are separated 4'35".
		The two "atmospheres" touch each other, the one is even fainter than the other.' NGC 5195 was assigned an own number by William Herschel: H I.186.
		The companion galaxy, NGC 5195, has also produced one supernova, 1945A, which occurred on April 8, 1945, and reached 14th magnitude.
	www2.arnes.si /~gljsentvid10/messier/M051.HTM (297 words)

	Whirlpool Galaxy M51 (Site not responding. Last check: 2007-10-24)
		Messier 51 (NGC 5194/5), the Whirlpool Galaxy in Canes Venatici, in a three-color reconstruction from BVR CCD images taken with the 1.1-meter Hall telescope at Lowell Observatory.
		Much of the spiral structure in NGC 5194 can be traced to the tidal perturbations produced by the companion NGC 5195.
		There are some spectacular pictures available, notably the Hubble Heritage picture of the inner spiral of NGC 5194 and SN 1994I observed near the nucleus (visible even with the 10" Dobsonian on my back deck, in fact).
	crux.astr.ua.edu /gifimages/m51.html (157 words)

	M51 - Whirlpool Galaxy
		The beautiful face-on spiral galaxy is designated NGC 5194, the smaller companion galaxy to the north NGC 5195.
		According to the present theory, the pronounced spiral structure is the result of NGC 5194's close encounter with its less luminous neighbor, NGC 5195.
		The "extension", NGC 5195, is of interest and of course everyone wants to see the spiral arms.
	astro.nightsky.at /Photo/Gal/M51_MN.html (774 words)

	Galaxies2
		There is some controversy over whether the smaller galaxy, NGC 5195, is a companion galaxy or one that is much farther away and happens to be in the line of sight.
		I believe the evidence shows NGC 5195 to be a gravitationally held companion of the larger M51.
		Howard and Byrd have shown in the Astrophysical Journal the observed features of the M51/NGC 5195 system can be accounted for by a model that has the smaller companion completing two orbits around the larger host galaxy.
	astroimage.homestead.com /Galaxies2.html (224 words)

	ESA Science & Technology: The Whirlpool Galaxy (M51) and companion galaxy NGC 5195 (Site not responding. Last check: 2007-10-24)
		The Whirlpool Galaxy (M51) and companion galaxy NGC 5195
		This sharpest-ever image of the galaxy M51 (NGC 5194), taken in January 2005 with the Advanced Camera for Surveys aboard the NASA/ESA Hubble Space Telescope, illustrates a spiral galaxy's grand design, from its curving spiral arms, where young stars reside, to its yellowish central core, a home of older stars.
		The galaxy is nicknamed the Whirlpool because of its swirling structure.
	sci.esa.int /science-e/www/object/index.cfm?fobjectid=37004 (422 words)

	M51 and NGC 5195 (Site not responding. Last check: 2007-10-24)
		Some astronomers believe that the Whirlpool's arms are so prominent because of the effects of a close encounter with NGC 5195, the small, yellowish galaxy at the outermost tip of one of the Whirlpool's arms.
		Hubble's clear view, however, shows that NGC 5195 is passing behind the Whirlpool.
		As NGC 5195 drifts by, its gravitational muscle pumps up waves within the Whirlpool's pancake-shaped disk.
	www.wolaver.org /Space/M51.htm (428 words)

	M51
		Occasionally, there is some confusion what is meant with the designation M51: The pair (justified by Messier's mention of both "nebulae") or the larger galaxy, NGC 5194.
		If the pair is meant, NGC 5194 is sometimes called "M51A", and NGC 5195 is then "M51B".
		Due to this interaction, the gas in the galaxy was disturbed and compressed in some regions, resulting in the formation of new young stars.
	www.dsi-astronomie.de /M51.htm (487 words)

	Belt of Venus: M51 and SN 2005cs
		NGC 5195 looked to be about one-quarter the diameter of M51.
		Under present theory, the pronounced spiral structure of the galaxy is due to an ongoing interaction with neighboring NGC 5195.
		The two 'atmospheres' touch each other, the one is even fainter than the other." William Herschel assigned NGC 5195 its own number (H I.186).
	www.perezmedia.net /beltofvenus/archives/000415.html (605 words)

	SPACE.com -- Chandra Sees Rare Supernova
		Their observations generated an image that highlights the energetic central regions of two interacting galaxies, NGC 5194 (in the center of the image) and its smaller companion NGC 5195 (in the upper left).
		Researchers focusing on an inset of the central region of NGC 5194 saw bright clouds of hot gas, with temperatures in the multi-millions of degrees, extending to the north and south of the nucleus of the galaxy.
		The gaseous extensions have diameters of about 1,500 light years and 500 light years, respectively, Their likeness to similar branches observed at radio wavelength suggests they are heated by the high-velocity jets of a supermassive fl hole in the heart of the galaxy.
	www.space.com /scienceastronomy/astronomy/chandra_m51_020701.html (624 words)

	M51 Im galaktischen Whirlpool
		Der kleinere Begleiter mit dem Namen NGC 5195 ist über eine gigantische Materiebrücke aus Staub und Sternen mit einem der Spiralarme von M51 verbunden.
		Vermutlich ist NGC 5195 nicht nur für die ausgeprägte Struktur der größeren Galaxie, sondern auch für die rege Sternproduktion in deren Spiralarmen verantwortlich.
		If we assume that the cluster formation rate increases at the moments of the encounters with NGC 5195, we find an increase in the cluster formation rate of a factor of 3, combined with a disruption timescale which is slightly higher then when assuming a constant formation rate (t_4 = 200 Myr vs. 100 Myr).
	hera.ph1.uni-koeln.de /~heintzma/Sp_Artikel/S115.htm (3327 words)

	Cvn - Canes Venatici
		A small object immediately adjacent (northwest) of the central bulge of NGC 4631.
		An irregular galaxy lying 0.5 degree southeast of NGC 4631.
		Both M51 and its companion, NGC 5195, can be seen in 7x50 binoculars and are impressive in a 100-mm at low powers.
	mypage.bluewindow.ch /horo/ngc/cvn.htm (821 words)

	Galaxies M51, NGC 5195 & IC 4278 (Site not responding. Last check: 2007-10-24)
		Other arm is very long and it has a brighter area on west.
		The core is pretty small and bright, almost stellar and elongated in E-W. The bridge between M51 and NGC 5195 is extremely faint and visible only with averted vision when M51 is out side of the field.
		NGC 5195 is roundish haze which has a pretty tiny core, there are also some other structure visible.
	kotisivu.mtv3.fi /deepsky/havaintom51-2.htm (137 words)

	[No title]
		One hundred and thirteen X-ray sources have been detected in an 8.4'x8.4'(20.4x20.4kpc) region, and 84 and 12 of them project within the disks of NGC 5194 and NGC 5195, respectively.
		Most of the X-ray sources and all seven of the ULXs in NGC 5194 are located in, or close to, a spiral arm, suggesting a connection with recent star formation.
		Description: Chandra observations of M51 were performed on 2000 June 20 and 2001 June 23 with the ACIS instrument.
	cdsweb.u-strasbg.fr /ftp/cats/J/ApJ/601/735/ReadMe (468 words)

	M51: The Whirlpool Galaxy (M51 und NGC5195)
		At only 7.7 Mpc distant, M51, also cataloged as NGC 5194, is one of the brighter and more picturesque galaxies on the sky.
		The bright extended source near the center of the image is the center of the galaxy NGC 5194 that consists of extended soft emission and two hard X-ray sources: the LLAGN and an ULX NGC 5194 source 26.
		This galaxy, also called M51 or NGC 5194, is having a close encounter with a nearby companion galaxy, NGC 5195, just off the upper edge of this image.
	hera.ph1.uni-koeln.de /~heintzma/k5/M51.htm (4449 words)

	Messier 51 and NGC 5195 (Site not responding. Last check: 2007-10-24)
		Object: Galaxy MESSIER 51 and NGC 5195 Constell: CVN RA: 13h 29.9m (M51) Decl: +47° 12' Epoch: 2000 Mag: 8.3
		Other bright arcs are found E and S from the core in the 'N' arm and two small knots in the 'S' arm.
		NGC 5195: The E side is largely obscured by a dust patch.
	www.astro.helsinki.fi /~kahanpaa/astro/scan/m/m051.htm (148 words)

	Herschel's numbers for Messier objects (Site not responding. Last check: 2007-10-24)
		M76 p NGC 651 H I.193 M82 e NGC 3034 H IV.79 M91 m NGC 4548 H II.120 in M101 p NGC 5447 H III.787 in M101 p NGC 5461 H III.788 in M101 p NGC 5462 H III.789 M102?
		m NGC 5866 H I.215 M104 a NGC 4594 H I.43 M105 a NGC 3379 H I.17 M106 a NGC 4258 H V.43 M107 a NGC 6171 H VI.40 M108 a NGC 3556 H V.46 M109 a NGC 3992 H IV.61 M110 a NGC 205 H V.18
		M105 a NGC 3379 H I.17 M104 a NGC 4594 H I.43 M 61 e NGC 4303 H I.139 at M 51 p NGC 5195 H I.186 pt.M 76 p NGC 651 H I.193 M102?
	www.obspm.fr /messier/xtra/similar/her-m.html (211 words)

	M51 - Whirlpool Galaxy
		It was discovered by Messier in October 1773 and catalogued by him in January 1774.
		Its companion galaxy, NGC 5195, (seen below M51 in this image) was discovered in 1781 by Messier's colleague, P. Mechain.
		The M51 system is a spectacular example of interacting galaxies - in this case NGC 5195 is being "ripped apart" by the huge gravitational disturbance of M51, while M51 has in turn undergone huge structural alteration from the gravitational effects of NGC 5195.
	www.astrocruise.com /m51.htm (251 words)

	NGC 5195 concept from the Astronomy knowledge base
		NGC 5195 concept from the Astronomy knowledge base
		physical object > natural object > celestial body > collection of stars > galaxy > irregular galaxy > NGC 5195
		Next irregular galaxy: NGC 6822 Up: irregular galaxy Previous irregular galaxy: NGC 4214
	www.site.uottawa.ca:4321 /astronomy/NGC5195.html (54 words)

	APOD: 2002 July 10 - M51: Cosmic Whirlpool (Site not responding. Last check: 2007-10-24)
		Then, just slide your telescope a little south and west and you'll likely find this stunning pair of interacting galaxies, the 51st entry in Charles Messier's famous catalog.
		Perhaps the original spiral nebula, the large galaxy with well defined spiral structure is also cataloged as NGC 5194.
		Its spiral arms and dust lanes clearly sweep in front of its companion galaxy (left), NGC 5195.
	antwrp.gsfc.nasa.gov /apod/ap020710.html (168 words)

	Art Russell's Monthly Messier Star-Hop; June #1
		M51, also known as the "Whirlpool Galaxy," is one of the most spectacular sights visible in the northern hemisphere for amateur astronomers.
		This is NGC 5195, itself a small galaxy.
		You can see the difference between M51 and NGC 5195 in averted vision.
	education.gsu.edu /spehar/FOCUS/Astronomy/star-hop/Monthly/msh06-1.htm (912 words)

	(IAAC) Obj: M 51 and NGC 5195 - Inst: 120 mm KONUS refractor, f/8.33, eq (Site not responding. Last check: 2007-10-24)
		Subject: (IAAC) Obj: M 51 and NGC 5195 - Inst: 120 mm KONUS refractor, f/8.33, eq.
		Soon, I could see a dark gap at the outer side of the spiral arm that is closest to core, and extension of the halo at the outer side of the spiral arm west of the previous one.
		In NGC 5195 I saw a very faint and small structure like spiral arm expanding to east.
	www.visualdeepsky.org /netastrocatalog/msg02942.html (420 words)

	Deepsky observing report 20 February, 2004: M44, M67, Coma Star Cluster, Collinder 70, M51, NGC 5195, M35, NGC 2158, ...
		I did not count the stars, but I estimate that I saw at least 40 to 60 stars splashed over the 6 degree field of view, with the three bright Belt stars in the centre.
		I returned to my telescope and the next half hour I spent with M 51 and its companion NGC 5195, in Canes Venatici.
		M 35 was completely resolved, while NGC 2158 was a glow of unresolved stars.
	www.backyard-astro.com /deepsky/2004_02_20/20feb04.html (585 words)

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