... 11.09.1999 . ... Constellations near the galactic center include Sagittarius , Libra , Scorpius , Scutum , and Ophiuchus . Nebulae include Messier Objects M8 , M16 , M17 , M20 and the Pipe Nebula . Open star clusters include M6 , M7 , M18 , M21 , M23 , M24 , M25 . Globular star clusters include M9 , M22 , M28 , M54 , M69 , M70 . ... 1999 2000 . ... Publications with keywords: nebula - star cluster - Galactic Center . Publications with words: nebula - star cluster - Galactic Center . ...

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... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. September 11, 1999 . The Annotated Galactic Center . ... Constellations near the galactic center include Sagittarius , Libra , Scorpius , Scutum , and Ophiuchus . ... Open star clusters include M6 , M7 , M18 , M21 , M23 , M24 , M25 . Globular star clusters include M9 , M22 , M28 , M54 , M69 , M70 . ... About APOD > . ... NASA Technical Rep.: ...

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• APOD: 2001 December 29 - The Annotated Galactic Center
• APOD: 2010 August 31 - The Annotated Galactic Center
• APOD: 2006 April 19 - Mars and the Star Clusters

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. November 11, 1997 . The Annotated Galactic Center . ... Constellations of nearby stars include Sagittarius , Libra , Scorpius , Scutum , and Ophiuchus . ... Open clusters include M6 , M7 , M18 , M21 , M23 , M24 , M25 . Globular clusters include M9 , M22 , M28 , M54 , M69 , M70 . ... About APOD > . ... NASA Technical Rep.: ...

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Next: Cepheids in NGC Up: HST and the Previous: The Hubble Constant . ... Hubble Space Telescope observations of over a thousand globular clusters in the central region of M87 have been made using the WFPC-2. ... The Hubble Space Telescope offers several important advantages for measuring the globular cluster luminosity function for distant galaxies. ... W. B. Sparks, B. C. Whitmore, R. A. Lucas, F. Macchetto, J. BirettaSparks et al.HST Observations of Globular Clusters in M87 and an Estimate of . ...

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• Emacs
• Swara's Publications
• Stars, Stellar Populations, and SNRs

ABSOLUTE PROPER MOTIONS OF 331 OPEN CLUSTERS . ... The proper motions of stars in the fields of 331 open clusters were taken from Four-Million Star Catalog (4M-catalog) of positions and proper motions (Volchkov et al. ... The absolute proper motions for 21 young open clusters have been derived by comparison of precise relative proper motions of individual stars and their corresponding absolute proper motions. ... Sign of proper motions in RA . ... 0.0001 arcsec/yr . ... rms error in RA proper motion . ...

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... Next: Unsupervised Catalog Classification Up: Object Detection and Previous: Classification of Objects . ... Multi-resolution allows for image analysis in terms of different scales. ... This approach is used for the detection (and subsequent analysis) of globular cluster systems around elliptical galaxies, and for image characterization and object trawling in large image databases. ... The applicability of this approach to object detection in large image collections has been investigated. ...

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• Simulation of HST PSFs using Tiny Tim
• Automated Globular Cluster Photometry with DASHA
• GUIDARES: Reading the Guide Star Catalog in Very Many Ways

... Full version (including all figures and appendices [3.1 MB]) . Reduced version 1 (except german summary and appendices [2.4 MB]) . Reduced version 2 (except german summary, appendices and figures [0.2 MB]) . ... Figures of Chapter 2 (10 figures [1.4 MB]) . ... Chapter 2 ( Photometry of galaxies in selected CCD fields [1.4 MB]) . ... Chapter 6 ( Summary and Future Work [40 kB]) . Chapter 7 ( Zusammenfassung (German summary) [36 kB]) . Appendix A ( The photometric catalog [65 kB]) . ...

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• On-line Data in Astronomy; Library
• ESO - star07
• The bright star clusters Messier 47 and Messier 46 in the constellation of

... Our Milky Way galaxy is host to a number of companions. These companions are gravitationally bound to the Milky Way and are stellar systems in their own right. They include a population of about 150 globular clusters (GCs) and some 30 dwarf satellite galaxies (DSGs). ... These DSGs are more extended and diffuse compared to GCs. In fact the larger satellites of the Milky Way (and other galaxies, for that matter) host their own small systems of GCs. ...

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• ASP: ASP Conference Series to Include Free Electronic Access

... 320, P L45-L48 (1997). Abstract . ... 320, P L49-L52 (1997). ... 320, P L53-L56 (1997). ... 320, P L57-L59 (1997). ... 320, P 685-695 (1997). ... 320, P 696-704 (1997). ... 320, P 705-716 (1997). ... 320, P 717-730 (1997). ... 320, P 731-745 (1997). ... 320, P 746-756 (1997). ... 320, P 757-775 (1997). ... 320, P 776-782 (1997). ... 320, P 783-786 (1997). ... 320, P 787-790 (1997). ... 320, P 791-798 (1997). ... 320, P 799-810 (1997). ... 320, P 811-822 (1997). ... helpdesk@link.springer.de . ...

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• Springer LINK:A&A-EE: Table of Contents Volume 319 Number 3 (1997)
• Springer LINK:A&A-EE: Table of Contents Volume 317 Number 2 (1997)
• Springer LINK:A&A-EE: Table of Contents Volume 317 Number 3 (1997)

... Observing . ... Solar Observing . ... April 3 (SUN) - Solar Observing, Central Park , Manhattan . ... APRIL'S SKY . ... Lecture Series at the American Museum of Natural History The Amateur Astronomers Association is proud to present an astronomy lecture series from October through May each year for our members and the .. ... The€аAmateur Astronomers Association of New York€аwas organized in 1927 to promote the study of Astronomy, emphasizing its cultural and inspirational value. ...

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... Radio source identifications . The Web-server of the Astronomical Institute of the St.-Petersburg University opens the experimental service on assignment of clusters data. At present only the data about radio sources in ACO clusters of galaxies are reasonably complete, while only restricted optical information is in our database. Later on, we also intend to include X-ray data and data about brightest cluster galaxies (BCG). ... ACO: radio optic ( for example, A0690 and " optic "), . ...

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• Desription file of catalogs including in search
• A 1400-MHz Survey of 1478 Abell Clusters of Galaxies
• NGC2000.0

... P2491 Date Received: 2009-Mar-09 11:01:45 Technical Page Proposal Type: General Category : Observation Category : Total Time Requested: Minimum Useful Time: Prop osal Title: ABSTRACT: Regular Pulsars Galactic 40 Hours 20 A 770-MHz Arecibo pulsar survey of globular clusters The scientific applications of pulsars in globular clusters are plentiful and include the first ever proof of the existence of ionized gas in ...

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• http://www.naic.edu/vscience/schedule/tpfiles/LorimertagP2557tp.pdf
• http://www.naic.edu/vscience/schedule/tpfiles/LorimertagP2491tp.ps
• http://www.naic.edu/vscience/schedule/tpfiles/LorimertagP2557tp.ps

Title: A New Model of the Gravitational Lens 0957+561 and a Limit on the Hubble Constant . Authors: Norman A. Grogin , Ramesh Narayan (Harvard Univ.) ... Title: ROSAT/PSPC observation of the distant cluster CL0939+472 . ... Title: Interaction in the Bimodal Galaxy Cluster A3528 . ... Title: Cosmological Implications of Galaxy Cluster Evolution . ... Title: Galaxy Cluster Virial Masses and Omega . ... Matches 201 to 222 from a total of 222 matches for the search pattern galaxy cluster . ...

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... About ATMoB . ... The Observing Committee is starting an Observing Awards Program to promote observing among the membership of the Amateur Telescope Makers of Boston. ... Participant must be a current member of the Amateur Telescope Makers of Boston . ... To qualify for your Observing Award Certificate, turn in your worksheet and drawings to an ATMoB Observing Committee member or observing@atmob.org . ... This Excel sheet has useful macros. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

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FITShdr' package contains set of utilities, that allows to display or modify FITS-file headers (FITS MEF included). ... Both source tarball (see INSTALL ) and i386 RPM are available for downloading: fitshdr-current.tar.gz size: 36379 MD5 checksum: 1e7222149ca36696797a6e0f4af41afc SHA1 checksum: 990bdf69f67d2b989d2d6e044deeaf9128d4470c fitshdr-1.0.6-1.i386.rpm size: 539101 MD5 checksum: 19e046da52b3ec8dd89aaed9e806bb5d SHA1 checksum: 07a4b4e2bd96a4c9fda7dc65127d0b80130c97e1 ...

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• Manpage of FITSHDR_EDIT
• ...Some useful software links...

Stellar Clusters are very useful laboratories for empirically studying stellar evolution. ... All cluster stars are at the same distance . All cluster stars have the same physical age . ... CM diagram Young Cluster In this case we see the Main Sequence fully represented. The blue dots represent massive stars with short main sequence lifetimes. ... Thus, identifying the most massive star which is still on the main sequence is an effective means of determining the age of a stellar cluster. ...

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. A text editor is a program for inserting or amending text in a file. A text editor is not a word processor although some text editors do include word processing facilities.

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• Using an editor
• Index: T
• Including text in a shell script

... Programme . ... Abstract: Globular clusters can probe the formation history of galaxies by providing evidence for the chemical evolution and major episodes of star formation in their host galaxies, by examining their kinematic signatures, as well as their structural parameters. ... The giant elliptical NGC 5128 (Centaurus A), at a mere 4 Mpc away, gives us the only opportunity to study in extensive detail the globular cluster system of a recent merger galaxy. ...

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• Map Annotations- Marsfield
• Publications
• IAU Symposium 242

The seminar is supported by the grant of Federal Programm "Integration" . annotation of talk . A.V. Kuznetsov (IKI) . The Catalog of the GRB Sources . The catalog of the GRB sources is composed on the base of BATSE data up to 01.08.99. This catalog includes about 90 candidates determined by the GRB ckusters. ... The tables with basic data of the GRB clusters and the sources are pesented. ... Practically the present work is an attempt of the GRB source catalog creation. ...

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• Be/X-ray binaries and candidates

Next: Rotation Periods of PMS Stars Previous: Direct Monitoring of PMS Stars . Studies using direct detection of periods via rotational modulation have been carried out on stars in several young clusters which are near the zero--age main sequence (ZAMS), including the Hyades, the Pleiades and Persei (see Radick 1988, Schaller et al . ... Rotation in ZAMS clusters has a strong mass dependence. High--mass stars tend to rotate much more quickly than the low--mass stars. ...

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• The Chandra Multiwavelength Project (ChaMP)
• Editing Files and Parameters
• The AstroStat Slog Blog Archive my first AAS. IV. clustering