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Topic: NGC 6838

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	A Search for SiO Masers in Globular Clusters (Site not responding. Last check: 2007-11-03)
		NGC 4147 is a globular cluster with [Fe/H] metalicity of -1.93.
		NGC 5272 is a globular cluster with [Fe/H] metalicity of -1.57.
		NGC 6838, also known as M71, is a globular cluster with an [Fe/H] metalicity of -0.73.
	www.computing.edu.au /~bvk/astronomy/HET608/project (4957 words)

	(IAAC) Obj: NGC 6838 (M71) - Inst: 8" f/6 Newtonian alt-az. mount (Site not responding. Last check: 2007-11-03)
		(IAAC) Obj: NGC 6838 (M71) - Inst: 8" f/6 Newtonian alt-az.
		(IAAC) Obj: NGC 6838 = M71 - Inst: 8" f/6 Newtonian alt-az.
		Prev: (IAAC) Obj: NGC 6205 (M13) - Inst: 8" f/6 Newtonian alt-az.
	www.visualdeepsky.org /logs/msg00862.html (242 words)

	RASC Calgary Centre - Constellation of the Month
		The Messier Objects are all present, as are the 110 Finest NGC objects from the The RASC Observer's Handbook as well as many of the objects on the list of RASC Deep-Sky Challenge Objects.
		NGC 5272 (M3 NGC 5544 and NGC 5545
		NGC 5904 (M5 NGC 5929 and NGC 5930
	calgary.rasc.ca /constellations (589 words)

	M-71, globular cluster
		Today most astronomers consider M-71 to be a very loose globular star cluster that is a part of a small and unique group of globulars with metal-rich stars.
		This class of "disk population globular clusters" includes the famous southern sky cluster NGC 104 (47 Tucanae).
		It's stars exhibit characteristics that are not explained by any current theory of stellar evolution, and the cluster remains a subject of active research.
	www.kopernik.org /images/archive/m71.htm (439 words)

	Infrared array photometry of metal-rich globular clusters. III. Two more clusters and an analysis of V-K colors.
		We present new JHK photometry for the disk globular clusters NGC 6440 and NGC 6624.
		We also confirm that the reddening-independent quantities, the half width of a cluster's horizontal branch (HB), and the color difference between the center of the HB and the GB at the level of the HB, both appear to be insensitive to metallicity.
		The JHK colors of NGC 6440 are similar to those of Liller 1; in both cases these colors are unlike those seen for other globular clusters, field giants, or bulge giants.
	www.cs.wisc.edu /niagara/data/nasa/AJ_110_2844.xml (385 words)

	Views of Sagitta
		NGC 6838 (M 71) This compact star cluster has been called an open and a globular.
		NGC 6839 13" at 100X it is easy to see, the eye goes right to the compact cluster.
		NGC 6892 was listed as a Unknown object.
	www.saguaroastro.org /content/obsnotes/Sagitta.htm (747 words)

	Gary's Amateur Astronomy
		NGC 4382; Coma Berenices; 12h 25.4m; +18 11'
		NGC 4501; Coma Berenices; 12h 32.0m; +14 25'
		NGC 4548; Coma Berenices; 12h 35.4m; +14 30'
	home.comcast.net /~astrohammer/Observingmessierpage2.htm (324 words)

	Globular Star Cluster M71 (NGC6838) (Site not responding. Last check: 2007-11-03)
		Its classification, whether to be of globular or open cluster type, was a long debate.
		In comparison with usual globular clusters like M 10, its star distribution is very loose but on the other hand the cluster is much more rich and condensed than typical open clusters like NGC 2194.
		The old age of 15 Gyrs is typical for galactic globular clusters, but the abundance of heavy elements (metallicity) is as high as in galactic plane objects like open clusters.
	www.allthesky.com /clusters/m71.html (196 words)

	(IAAC) Obj: NGC 6838 , M71 - Inst: 10" F/10 SCT (Meade LX200) (Site not responding. Last check: 2007-11-03)
		(IAAC) Obj: NGC 6838, M71 - Inst: 10" F/10 SCT (Meade LX200)
		Subject: (IAAC) Obj: NGC 6838, M71 - Inst: 10" F/10 SCT (Meade LX200)
		Prev: (IAAC) Obj: NGC 7789 - Inst: 10" F/10 SCT (Meade LX200)
	www.visualdeepsky.org /logs/msg03337.html (160 words)

	Summary of sequence number 300150
		Title: Sensitive X-ray surveys of the nearby globular clusters NGC 6544, NGC 6838 (M71), and NGC 6656 (M22)
		We propose moderately deep ACIS-S surveys of the nearby globular clusters NGC 6544, NGC 6838 (M71), and NGC 6656 (M22).
		We will detect the newly discovered milli-second pulsars in NGC 6544 and M71 if they are as bright as the faint milli-second pulsars in 47 Tuc.
	asc.harvard.edu /cgi-gen/mp/target.cgi?300150 (163 words)

	CCD images
		M17 NGC 6618 the Omega Nebula in Sagittarius
		M20 NGC 6514 the Trifid Nebula in Sagittarius
		M60 NGC 4649 and NGC 4647 in Virgo
	www.mv.com /ipusers/astron/ccd_images.htm (411 words)

	Art Russell's Monthly Messier Star-Hop; September #1 (Site not responding. Last check: 2007-11-03)
		Once you arrive, you’ll be rewarded with one of the most interesting double stars in the sky.
		Star-Hop #5; M57, NGC 6720, the "Ring Nebula." Once you’ve found Vega, you are also very close to the planetary nebula, M57.
		Star-Hop #7, M27, NGC 6852, the "Dumbbell Nebula." The star hop to the planetary nebula, M27, in the 4th magnitude constellation Vulpecula, is a natural continuation of a star-hop from Albireo to Vega, except in the opposite direction.
	education.gsu.edu /spehar/focus/astronomy/star-hop/Monthly/msh09-1.htm (1368 words)

	Messier Object 71 (Site not responding. Last check: 2007-11-03)
		Kroglasta kopica - Globular Cluster M71 (NGC 6838), class X-XI, in sagitta
		For a long time, the classification of M71 as a globular cluster was uncertain, many astronomers thought it was a rather condensed open cluster, similar to M11, e.g.
		In 1943 he found that M71 was more resembling a loose globular like M68 (class X) or NGC 5053 (class XI), but in 1959 he took a Color-Magnitude Diagram which he found more similar to that of an open galactic cluster.
	www2.arnes.si /~gljsentvid10/messier/M071.HTM (253 words)

	Milky Way Globular Clusters
		Identification by Messier, NGC or IC number, and other identification or name.
		NGC 1466 Hyi 03:44.5 -71:41 179: 11.4 1.9 Webbink 1985; in LMC Reticulum Glob.
		Ret 04:36.2 -58:52 179: 14.25 1.7 Webbink 1985, Djorgovsky/Meylan 1993; in LMC NGC 1841 Men 04:45.
	www.seds.org /~spider/spider/MWGC/mwgc.html (595 words)

	Catalogue: J/AJ/109/1131
		109, 1131 (1995)> =1995AJ....109.1131K ================================================================================ ADC_Keywords: Photometry, infrared ; Clusters, globular Abstract: As a first step in investigating the properties of heavily reddened, metal-rich globular clusters, we present JHK colors and magnitudes for four objects: NGC 5927, NGC 6712, NGC 6838 (M71), and Terzan 2.
		The GB of stars in the field around Terzan 2 has a slope that implies [Fe/H] = +0.1, comparable to that in Baade's Window.
		This file × table3.dat 68 174 NGC 5927 data × table4.dat 74 848 Terzan 2 data × table5.dat 68 161 NGC 6712 data (LCO) × table6.dat 68 312 NGC 6712 data (OSIRIS) × table7.dat 68 326 NGC 6838 (M 71) data
	cdsweb.u-strasbg.fr /viz-bin/Cat?J/AJ/109/1131 (665 words)

	Aquila, Equuleus & Sagitta
		Open cluster of 50 stars, mag 12 and fainter.
		Look for fainter cluster NGC 6756, 28 arc min.
		A compact globular cluster, only 2 arc minutes across.
	calgary.rasc.ca /constellations/aquila-equuleus-sagitta.htm (222 words)

	First results of a photometric and astrometric study of the globular cluster M 71 (NGC 6838)
		First results of a photometric and astrometric study of the globular cluster M 71 (NGC 6838)
		We present the first results of a photometric and astrometric investigation of stars in the region of the globular cluster M 71 (NGC 6838).
		Using wide field CCD observations we determined B and V magnitudes of 4450 stars up to a limiting magnitude of V
	www.edpsciences.org /articles/aas/abs/2000/11/ds1624/ds1624.html (226 words)

	Nomenclature of Celestial Objects (Result I)
		Table I: NGC 1893 CF NN> (Nos 1-56).
		Table II: NGC 6838 CF NN> (Nos 1-13).
		The RR Lyrae variables in the globular cluster M 68.
	cdsweb.u-strasbg.fr /cgi-bin/Dic-Simbad?CF (169 words)

	Digital Images of the Sky - Constellations (Site not responding. Last check: 2007-11-03)
		M 57, NGC 6720, Emission Nebula in Lyra, the famous Planetary Ring Nebulae
		M 71, NGC 6838, Globular Cluster in Sagitta
		M 27, NGC 6853, the "Dumbbell Nebula", Planetary Nebula in Vulpecula
	www.allthesky.com /constellations/vulpecula/dsos.html (156 words)

	Energy Citations Database (ECD) - Energy and Energy-Related Bibliographic Citations
		BRIGHT MEMBERSHIP OF THE GLOBULAR CLUSTER NGC 6838.
		Membership and photometry of the open cluster IC 4756
		Membership of the open cluster NGC 6913 (M29).
	www.osti.gov /energycitations/searchresults.jsp?Author=Sanders,+W.L. (307 words)

	M71
		MESSIER INDEX - NGC INDEX - NAME INDEX
		Image size: 55.23 arc minutes high by 40.98 arc minutes wide
		Use Test patterns to calibrate monitor brightness, contrast, height and width
	www.stargazing.net /David/messier/m71.html (180 words)

	Infrared Array Photometry of Metal Rich Globular Clusters. II. Liller 1 -- The Most Metal Rich Cluster? (Site not responding. Last check: 2007-11-03)
		Liller 1 -- The Most Metal Rich Cluster?
		J/AJ/110/2844 : Paper III: clusters M 71, NGC 5927, NGC 6624, NGC 6440, NGC 6712
		We present the first color-magnitude diagram of Liller 1, a globular cluster with an angular separation of only 5 deg from the galactic center and a latitude of 0.2 deg.
	www.cs.wisc.edu /niagara/data/nasa/AJ_109_1154.xml (304 words)

	Obscat Data Page
		A brief description of the listed parameters is given here.
		Sensitive X-ray surveys of the nearby globular clusters NGC 6544, NGC 6838 (M71), and NGC 6656 (M22)
		Link to internal parameter update form: INTERNAL ACCESS ONLY
	asc.harvard.edu /cgi-gen/target_param.cgi?05434 (44 words)

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