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Topic: Sculptor Dwarf Irregular Galaxy

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	The Projects
		Dwarf galaxies are expected to exist everywhere in the universe in large numbers, but at greater distances they are very hard to detect.
		While the imaging of nearby dwarfs is continued with the long-term goal to reach completeness for LF studies, we are using the presently available photometric data to study the systematic dependence of the structural properties of dwarf galaxies (such as surface brightness, characteristic radii, and colors) on the environment.
		Since dwarf galaxies are low-mass and low-density stellar systems, they are the most vulnerable type of galaxies with respect to evolutionary processes, such as tidal and ram pressure stripping, "harassment", induced star formation, etc. Significant environmental effect are expected to appear, which might provide important constraints on evolutionary scenarios.
	www.astro.unibas.ch /forschung/bb/fair.shtml (491 words)

	* Dwarf - (Astronomy): Definition
		Dwarf novae (DN) are a class of and that have multiple observed eruptions ranging in brightness from 2 to 5 magnitudes.
		White Dwarfs are the remnants of stars that were massive enough to stay alive using nuclear fusion in their cores, but not massive enough to blow apart in a Type IIa supernova.
		This is a barred spiral galaxy with DDO luminosity class I where bright supergiant well-formed spirals are type I and low surface brightness dwarfs with little or no spiral structure are of type V and types II, III and IV are intermediates of these.
	en.mimi.hu /astronomy/dwarf.html (2110 words)

	Local Group - Open Encyclopedia (Site not responding. Last check: 2007-07-09)
		The galaxies of the Local Group cover a 10 million light year diameter (see 1 E23 m for distance comparisons).
		M33, the third largest galaxy in the Local Group may or may not be a companion to the Andromeda galaxy but probably has LGS 3 as a satellite.
		NGC 404 - Elliptical or Lenticular Galaxy (E0 or SA(s)0- in Andromeda
	open-encyclopedia.com /Local_Group (658 words)

	Local Group
		A collection of more than 40 galaxies, spread across a volume of space some 10 million light-years in diameter, of which our own Milky Way Galaxy and the Andromeda Galaxy are the dominant and central members.
		Among the retinue of the Andromeda Galaxy are: M32, M110, the fainter and more faraway NGCs 147 and 185, the very faint systems And I, And II, And III, and possibly And IV, And V, And VI (the Pegasus Dwarf), and And VII (the Cassiopeia Dwarf).
		The third-largest galaxy, the Triangulum Galaxy (M33), may or may not be an outlying gravitationally-bound companion of M31, but has itself probably the dwarf LGS 3 as a satellite.
	www.daviddarling.info /encyclopedia/L/LocalGroup.html (458 words)

	Matrix Astrology Software : The Local Group of Galaxies (Site not responding. Last check: 2007-07-09)
		The total mass of all dwarf spheroidal systems and intergalactic clusters is negligible compared to the mass of the galaxy or the mass of M31.
		IC 1613 is a dwarf irregular galaxy of the type Ir V and is similar, though much smaller, than the Magellanic Clouds.
		Dwarf spheroidal systems are difficult to detect due to their low surface brightness, but it is estimated,that a very great number of these systems exist filling the space between the larger and brighter galaxies.
	www.thenewage.com /resources/aphysical/eggalax6.asp?orig=I2 (1729 words)

	The Milky Way versus M31 (Site not responding. Last check: 2007-07-09)
		It is likely that some galaxies now listed as being members of the Local Group will later be found to be unassociated with it and passing through on their way somewhere else, while other galaxies not now considered to be part of the Local Group will be found to be members of it.
		Older galaxies may have fl holes that are relatively larger for their host galaxies, whereas younger galaxies may have smaller fl holes.
		They are large, luminous spiral galaxies that have a past history of interactions with smaller galaxies and have probably ingested one or more smaller galaxies as is now the case with the Milky Way currently cannibalizing the Sagittarius Dwarf galaxy.
	www.grasslands.org /Andromeda.htm (6215 words)

	Unlocking the dark secrets of dwarf galaxies
		New research on dwarf spheroidal galaxies by a team of astronomers at the University of Cambridge promises a real astronomical first: detection, for the first time, of the true outer limits of a galaxy.
		Dwarf spheroidal galaxies are widely believed to be the building blocks from which galaxies were formed.
		Using detailed models of the motions of stars in a galaxy containing large quantities of dark matter, the group was able to demonstrate their observations could only be understood if the galaxy was surrounded by a large halo of dark matter.
	www.brightsurf.com /news/july_03/EDU_news_072303_f.php (769 words)

	Hubble Galaxies (Site not responding. Last check: 2007-07-09)
		The galaxy's hallmark is a brilliant white, bulbous core encircled by the thick dust lanes comprising the spiral structure of the galaxy.
		Dwarf irregulars are similar in many ways to very young galaxies, but they are much nearer and easier to study.
		Dwarf irregulars play a key role in astronomers' attempts to unravel the history of galaxies in the early universe.
	www.utahskies.org /HST/Archives/galaxies.html (15727 words)

	Our Milky Way Galaxy and its companions
		Messier's catalog which are not galaxies on their own (the only possible exception may be M54 which may belong to SagDEG, a small galaxy which is currently in a close encounter with the Milky Way, and thus our closest known intergalactic neighbor).
		Although a small irregular galaxy, the LMC is full of interesting objects including diffuse nebulae (especially the Tarantula Nebula, NGC 2070 / 30 Doradus -- the bright red patch at the eastern end of the galaxy --, a giant H II region), globular and open clusters, planetary nebulae, and more.
		This dwarf galaxy remained undiscovered -- despite its enormous extent on the sky of 5 x 10 degrees -- because it can only be detected as a slight enhancement of the density of stars on the sky; the actual surface brightness of this galaxy is very low.
	www.public.asu.edu /~rjansen/localgroup/localgroup.html (2638 words)

	SDIG (Site not responding. Last check: 2007-07-09)
		Dwarf Irregular Galaxy SDIG was discovered in 1976 by a team of ESO astronomers, see Lautsen et.al.
		They found that this new galaxy was definitely far beyond and thus unconnected to the nearby Magellanic Stream, and very probably beyond the borders of the Local Group.
		Meanwhile however (e.g., Miller 1996), evidence has been confirmed that this galaxy is very probably a member of the Sculptor Group of Galaxies, sometimes called the South Polar Group, around famous NGC 253, at a distance of about 10 million light-years.
	www.seds.org /~spider/spider/LG/sdig.html (190 words)

	Normal Galaxies
		A total of 16 and 20 dwarf galaxies are found in Sculptor and Centaurus, of which 6 are newly identified objects, and 5 more have newly determined redshifts.
		NGC 1313 is the most massive disk galaxy showing a flat radial abundance distribution in its interstellar gas, a behavior generally observed in magellanic and irregular galaxies.
		The early-type galaxies of their sample display gradients that are flatter and overall levels of O/H abundances higher than those of normal late type galaxies.
	www.astro.umontreal.ca /centre/rap98A/node19.html (754 words)

	Sculptor group of galaxies - TheBestLinks.com - Sculptor Group, Local Group, Light year, TheBestLinks.com:Perfect stub ... (Site not responding. Last check: 2007-07-09)
		Sculptor Group, Sculptor group of galaxies, Local Group, Light year...
		Please improve it in any way that you see fit, and remove this notice and the listing on the request page once the article is no longer a stub.
		It is one of the closest group of galaxies to the Local Group at a distance of about 10 million light years away.
	www.thebestlinks.com /Sculptor_Group.html (174 words)

	The Sculptor (South Polar) Group of Galaxies
		It is named the Sculptor Group as it is centered in the Southern constellation Sculptor, and South Polar Group as its members are grouped around the South galactic pole (which is at RA 00:51.4, Dec -27:07 (2000.0)).
		The group is dominated by bright NGC 253, the Sculptor or Silver Coin Galaxy, one of the brightest galaxies beyong the Local Group in the skies.
		Moreover, NGC 45 and IC 5332 were once dealt as a possible member of this group of galaxies, but their larger redshift (504 km/s for NGC 45, and 706 km/s for IC 5332 compared to about 90-250 km/s for the larger member galaxies) indicates that these galaxies are more probably background objects.
	www.seds.org /messier/xtra/ngc/sclgr.html (365 words)

	Sculptor group of galaxies (Site not responding. Last check: 2007-07-09)
		Sculptor Galaxy or Silver Coin Galaxy NGC 253 NGC 55 NGC 247 NGC 300 NGC 7793 Sculptor Dwarf Irregular Galaxy SDIG, the Sculptor Dwarf Irregular Galaxy A 143 E 471-G06 E 407-G18 DDO 226 DDO 6 E 294-G10 E 410-G05 ESO 540-032 NGC 7713 IC 5332 ESO 347-G017 ESO 348-G009 NGC 253
		The Sculptor group of galaxies also known as the South Polar group of galaxies, the South Polar group, or simply the Sculptor group is a physical group and a galaxy cluster.
		In the vicinity of a charge, the vacuum becomes polarized : virtual particles of opposing charge are attracted to...
	www.uk.fraquisanto.net /Sculptor_group_of_galaxies (359 words)

	Local Group of Galaxies
		The Sculptor Dwarf System is a dwarf galaxy discovered by Harlow Shapley on a photograph taken in 1937 with the 24 inch Bruce refractor in South Africa.
		The Sculptor Dwarf Galaxy is about 300,000 light years away, about half again the distance to the Magellanic Clouds.
		The face of the galaxy was very mottled and dappled with bright areas of a variety of sizes and shapes.
	www.saguaroastro.org /content/print-friendly/print-Local-Group-of-Galaxies.htm (789 words)

	The Sagittarius Dwarf Elliptical Galaxy, SagDEG
		This galaxy was immediately recognized as being the nearest known neighbor to our Milky Way, significantly closer than the Large Magellanic Cloud which was considered to be our closest companion until than.
		These are two minor galaxies in the same constellation Sagittarius, which are of different type: The difference between these types is that dwarf irregulars still have interstellar matter and/or young stars while the dwarf elliptical have only an old yellowish stellar population.
		From its stellar contents, it is resembling other low surface brightness members of the local group such as the Sculptor dwarf galaxy, but it is so highly obscured that it was hidden up to the 1994 investigation.
	www.viarouge.net /messier/more/sagdeg.html (530 words)

	The Local Group
		The third-largest galaxy, the Triangulum spiral M33, may or may not be an outlying gravitationally bound companion of M31, but has itself probably the dwarf LGS 3 as a satellite.
		The other members, mostly dwarf irregulars, cannot be assigned to one of these main subgroups, and float quite alone in the gravitational field of the giant group members.
		The next more distant galaxy groups, the NGC 4244 group and the CVn I Cloud (with M94 and M64) are probably too remote to have interacted significantly with the Local Group in the past.
	www.seds.org /messier/more/local.html (1626 words)

	DOC: Uranometria chart 351
		But the Sculptor system was also detected on a plate exposed for 23.3 hours with a 1-inch f/13 patrol camera, which revealed it as a very dim, unresolved smudge.
		AJ Crayon, using an 8” f6 Newtonain, notes: “is an elliptical galaxy that is better known as the Sculptor Dwarf.
		To see this galaxy in the 8" you must be well dark adapted, use a hood to block out ambient light and scan back and forth across the object watching the star patterns.
	www.fortunecity.com /roswell/borley/49/u351.htm (1589 words)

	Sculptor Dwarf Galaxy - Wikipedia, the free encyclopedia
		The Sculptor Dwarf Galaxy (also called E351-G30, PGC 3589, A0058, Sculptor Dwarf Spheroidal Galaxy) is a dwarf spheroidal galaxy in the Local Group that is a satellite of the Milky Way in the direction of the constellation of Sculptor.
		The galaxy lies 285,000 light years from the solar system.
		This page was last modified 12:50, 23 June 2005.
	en.wikipedia.org /wiki/Sculptor_Dwarf (91 words)

	IAUC198: Near-Field Cosmology with Dwarf Elliptical Galaxies
		dwarf galaxies and globular clusters in post-Bekenstein MOND universe
		Kinematic properties and stellar populations of dwarf and faint early-type galaxies in the Coma cluster
		A large population of ultra-compact dwarf galaxies in the Fornax cluster: the implications for cluster and galaxy formation
	msowww.anu.edu.au /IAUC198/program.html (659 words)

	ipedia.com: Local Group Article
		The group comprises over 30 galaxies, with its gravitational center located somewhere between the Milky Way and the An...
		The Milky Way's satellite system consists of Sag DEG, Large Magellanic Cloud, Small Magellanic Cloud, Ursa Minor, Draco, Carina, Sectans, Sculptor, Fornax, Leo I, Leo II and Tucana.
		NGC 1569 - Irregular Galaxy (Irp+ III-IV) in Camelopardalis
	www.ipedia.com /local_group.html (649 words)

	Pemanent past images (Site not responding. Last check: 2007-07-09)
		This dwarf irregular Galaxy in Sagittarius is at 19h 30m 00s, -17d 40m 42s, and is plotted in Megastar v3 and v4, Arizona Database v9.0, and Uranometria 2000.
		NGC 2536 is the small galaxy at the end of the plume of material being pulled from the larger S(c) peculiar galaxy NGC 2535.
		This interesting Dwarf Irregular Galaxy is fairly large (7.9 x 6.3 arc minutes), but faint (11.1 blue magnitude), and is also known as Holmberg II and Arp 268.
	home.earthlink.net /~mcgermano/oldarchive.html (5684 words)

	Journal of The Korean Astronomical Society (ResearchIndex) (Site not responding. Last check: 2007-07-09)
		Abstract: We present UBV I CCD photometry of the stellar contents and globular cluster(GC) candidates in the spiral galaxy NGC 300 in the Sculptor group.
		Stellar Populations of the Sagittarius Dwarf Irregular Galaxy - Myung Gyoon Lee
		Structures of the Dwarf Elliptical Galaxies NGC 185 and NGC 205 - Kim, Lee
	citeseer.ist.psu.edu /607398.html (175 words)

	Cleaning up the Sculptor Dwarf Spheroidal Galaxy Color-Magnitude Diagram (Site not responding. Last check: 2007-07-09)
		A proper motion cleaned color-magnitude diagram of the probable member stars of the Sculptor dwarf spheroidal galaxy, a companion to the Milky Way, is presented.
		This survey presents membership and photometry of 1400 stars in the central region of Sculptor.
		These results are the first step in a project to determine the absolute proper motions of three nearby dwarf spheroidal galaxies.
	www.aas.org /publications/baas/v26n2/aas184/abs/S4809.html (144 words)

	MPE Jahresbericht 2001 - IV / MPE Annual Report 2001 - IV
		Contursi, A., A. Boselli, G. Gavazzi, E.E. Bertagna, R. Tuffs and J. Lequeux: Mid and Far IR properties of late-type galaxies in the Coma and A1367 clusters: ISOCAM and ISOPHOT observations.
		Guenther, E.W., R. Neuhäuser, N. Huélamo, W. Brandner and J. Alves: Infrared spectrum and proper motion of the brown dwarf companion of HR 7329 in Tucanae.
		Joergens, V. and E. Guenther: UVES spectra of young brown dwarfs in Cha I: radial and rotational velocities.
	www.mpe.mpg.de /JB2001/publications.html (11220 words)

	Dark Galaxy Forums - Galaxy Name
		It comes down to the creators and when and if they are gonna do it.
		Yes I know some are already being used currently but this list had Universe type coordinates and stuff and I got tired of all the editting btw these are real Quote Unquote Galaxies
		to add I think the last Galaxy or one of them should be called Deep End;) or.Ass End.
	www.darkgalaxy.com /forums/printthread.php?t=7509 (181 words)

	[No title]
		Elliptical galaxy â” dwarf elliptical galaxy (dE) and its subtype dwarf spheroidal galaxy (dSph)
		Spiral galaxy â” dwarf spiral galaxy and dwarf barred spiral galaxy
		Timeline of galaxies, clusters of galaxies, and large scale structure
	www.50skills.co.za /infopages/index.php?title=Dwarf_galaxy (124 words)

	Publications
		IC 1613 X-1: A Galaxy Cluster at z~0.2 Behind a Local Group Dwarf Galaxy," Publications of the Astronomical Society of the Pacific.
		The Frequency of Barred Spiral Galaxies in the Near-IR," The Astronomical Journal.
		The Outer Edges of Dwarf Irregular Galaxies, 2002 Lowell Workshop On-Line Proceedings, edited by D. Hunter & M.S. Oey.
	odin.physastro.mnsu.edu /~eskridge/publics.html (1821 words)

	Dark Galaxy Forums - Galaxy Name
		Dark Galaxy Forums > Dark Galaxy (Restricted) > Forum archives > General Discussion
		I believe it is because this the first time DG has gotten bigger than like 25 Galaxies....So they ran out out of real names and started naming after great ppl...there are just so few of them
		to add I think the last Galaxy or one of them should be called Deep End
	www.darkgalaxy.com /forums/showthread.php?p=85599 (174 words)

	Lowell Workshop: Posters
		Sculptor and Cen A Groups: HI Detection in dSph Galaxies
		Intermediate-Age Dwarf Spheroidal Galaxies in the M 81 Group: UGC 4998 and DDO 44
		The relationship between nucleated dwarf elliptical galaxies and ultra-compact dwarf galaxies in the Fornax Cluster
	www.lowell.edu /Workshops/Lowell02/posters.html (507 words)

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