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1. The Keyhole Nebula in Infrared
Astronomy Picture of the Day . The Keyhole Nebula in Infrared . ... The above picture of the Keyhole Nebula , also known as the Carina Nebula or NGC 3372, shows in infrared light many facets of this dramatic stellar nursery which lies only 9,000 light-years away. ... NASA Official: Jay Norris. ... Publications with keywords: nebula - infrared - NGC 3372 - Keyhole Nebula - Eta Carinae . Publications with words: nebula - infrared - NGC 3372 - Keyhole Nebula - Eta Carinae . ... Infrared Trifid . ...
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Ссылки http://www.astronet.ru/db/xware/msg/eid/apod/ap000613 -- 15.0 Кб -- 15.03.2001
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2. APOD: 2015 February 8 - Carina Nebula Dust Pillar
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2015 February 8 . Carina Nebula Dust Pillar . Image Credit: NASA , ESA , and the Hubble SM4 ERO Team . Explanation: This cosmic pillar of gas and dust is nearly two light-years wide. ... The pillar's convoluted outlines are shaped by the winds and radiation of Carina's young, hot, massive stars. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap150208.html -- 5.1 Кб -- 10.04.2016
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3. GSAOI Orion Nebula Cluster Science Page
... GSAOI Home . ... Science . ... Deep imaging at J , H , and K is required to identify all stellar objects, brown dwarfs, and planetary mass objects in the central region of the Orion Nebula Cluster down to masses comparable to that of Jupiter. This is required to establish the initial mass function, i.e., the number of stars of each mass that have formed, in this region of intense massive star formation. ... The fields of the GSAOI detectors are shown as four green squares in each frame. ...
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Ссылки http://www.mso.anu.edu.au/gsaoi/science/orion.shtml -- 6.7 Кб -- 01.10.2012
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4. Arcetri Star-Formation Group Publications
The IMF and Star Formation History of the Stellar Clusters in the Vela D Cloud . ... 2005, A , in press . ... M.T. Beltran, J. Brand, R. Cesaroni, F. Fontani, S. Pezzuto, L. Testi, S. Molinari . ... 2005, Proceedings of the IAUS227 "Massive Star Birth: A Crossroads of Astrophysics", in press . ... Francesco Palla . ... Podio, L., Bacciotti, F., Nisini, B., Giannini, T., Massi, F., Eisloeffel, J., Ray, T.P. 2005, Ap Lecture Series, "Cores to Clusters", in press . ... Star Formation Group . ...
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Ссылки http://www.arcetri.astro.it/science/starform/publ2005.htm -- 11.6 Кб -- 29.11.2005
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5. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B09509B1C-2FD6-4410-A47C-0701A41550E6%7D
These images reveal light from a massive stellar outburst in the Carina Nebula reflecting off dust clouds surrounding a behemoth double-star system. The color image at left shows the Carina Nebula, a star-forming region located 7,500 light-years from Earth. The massive double-star system Eta Carinae resides near the top of the image. ... The three black-and-white images at right show light from the eruption illuminating dust clouds near the doomed star system as it moves through them. ...
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B09509B1C-2FD6-4410-A47C-0701A41550E6%7D -- 4.7 Кб -- 10.04.2016
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6. HST this week: 049
... Chris Stubbs, Harvard University . ... Abstract . ... The Structure, Formation and Evolution of Galactic Cores and Nuclei . ... Time Scales Of Bulge Formation In Nearby Galaxies . ... WFPC2 Tidal Tail Survey: Probing Star Cluster Formation on the Edge . ... An Ultraviolet Survey of Luminous Infrared Galaxies in the Local Universe . ... November 2003 HST image of the SN1987A gaseous ring . ... Observations of the interacting system, NGC 17, are scheduled for this week. ... Past weeks: . ...
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Ссылки http://www.stsci.edu/~inr/thisweek1/2008/thisweek049.html -- 13.2 Кб -- 01.04.2008
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7. Astronomy HyperText Book: Interstellar Medium
Photon Scattering: Basic Principle of Photon Scattering . Audio Narration is available . No Scattering: Photon Source and Detector . ... For optical photons, scattering goes as wavelength to the -4 power. In the case of blue photons compared to red photons, this means that blue photons are about 10 times more likely to get scattered than red photons. ... Watch the blue photons scatter away from the detector . ... Interstellar dust make stars appear redder than they really are . ...
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Ссылки http://zebu.uoregon.edu/textbook/ism.html -- 4.2 Кб -- 23.01.1998
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8. Near-IR Imaging of Star-forming Regions with IRAF
... We report on our ongoing project ``Infrared Study of HII Regions Associated with Small Clouds.' ... These IR data, combined with optical imaging (which will be obtained from the IAC-80 telescope), IRAS survey maps, and existing CO observations of the associated clouds, will allow us to undertake a detailed investigation of the gas-to-dust mass ratio, initial mass function and the star-formation efficiency in these complexes. ... CHECKPSF: check the PSF (Point Spread Function) model, . ...
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Ссылки http://www.adass.org/adass/proceedings/adass96/chans2.html -- 7.4 Кб -- 23.06.1998
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9. Stellar Nursery NGC 6357: Image of the Month | Astronotes
Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Stars . ... Space Flight . ... Monthly Sky Notes . ... NGC 6357's inner star forming region glows with the emission of ionized hydrogen gas. Image credit: ESO/VVV Survey/D. Minniti. ... Located around 8000 light years away in the constellation of Scorpius , NGC 6357 (sometimes called the Lobster Nebula ) is a typical stellar nursery, filled with vast clouds of gas and tendrils of dark dust. ... Subscribe to Astronotes . ...
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Ссылки http://www.armaghplanet.com/blog/stellar-nursery-ngc-6357-image-of-the-month.html -- 41.5 Кб -- 09.04.2016
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10. The Tarantula Nebula
... The Tarantula Nebula , also known as 30 Doradus and NGC 2070 , is a large region of ionized gas surrounding a collection of newly-forming stars at the eastern end of the stellar bar in the Large Magellanic Cloud (many similar regions are scattered through the LMC; see Kennicutt et al. ... The false-color image above is a log-scale display of a mosaic of several images taken with a CCD camera on the 0.6m Curtis Schmidt telescope at Cerro Tololo Inter-American Observatory in December 1994. ...
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Ссылки http://www.naic.edu/~gibson/30dor/ -- 4.1 Кб -- 19.08.2004
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11. http://www.aaa.org/s932/images/09fallclass2.pdf
Class 1 Introduction, Background History of Modern Astronomy The Night Sky, Eclipses and the Seasons Kepler's Laws Newtonian Gravity General Relativity Matter and Light Telescopes Class 2 Solar System Characteristics Formation Exosolar Planets Class 3 Stars The Sun Stellar Evolution of Low and High Mass Stars Deaths of Stars Exotic Stars Class 4 Galaxies Galaxy Classification Formation of Galaxies Galactic Evolution ... So far, one planet has been studied by this method. ...
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Ссылки http://www.aaa.org/s932/images/09fallclass2.pdf -- 1505.3 Кб -- 07.09.2011
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12. Sunspots and active regions February 09, 2016
... Sun images . ... Active areas . February : 2016 . ... The following regions with sunspots can be now observed on the Sun's surface . Group number . ... Group length (in degrees) . ... Beta . ... Coordinates and other characteristics of active regions are issued for February 09, 2016 00:31 UT The following H-alpha plages without spots can be currently observed on the Sun's surface . ... Coordinates and other characteristics of active regions are issued for February 09, 2016 00:31 UT . ...
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Ссылки http://www.tesis.lebedev.ru/en/active_areas.html?m=2&d=9&y=2016 -- 25.3 Кб -- 11.04.2016
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13. Synthetic Star Forming Region HRDs
T his page contains synthetic Hertzsprung-Russell Diagrams (HRDs) for a simulated Star Forming Region, assuming different scenarios and timescales for the history of star formation. ... In the paper we only presented the best fits to the HRD of the CMa R1 Star Forming Region. ... Download movie (1.90 MB) . Scenario II: Constant rate of star formation during a time interval delta t . delta t = 0.1 Myr . ... Scenario IV: Linearly decreasing rate of star formation during a time interval delta t . ...
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Ссылки http://www.eso.org/~mvandena/cluster_movies.html -- 8.3 Кб -- 18.02.2009
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14. Armagh Observatory
... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... The projected distance of VFTS 682 to the cluster R136 is 29 pc (for an assumed LMC distance of 50 kpc). ... VFTS 682 is located in an active star-forming region, at a projected distance of 29 pc from the young massive cluster R136 in the Tarantula Nebula of the Large Magellanic Cloud. ... Our aim is to obtain the stellar properties, such as its intrinsic luminosity, and to investigate the origin of VFTS 682. ...
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Ссылки http://star.arm.ac.uk/highlights/2011/576.html -- 6.5 Кб -- 25.05.2011
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15. ATNF Colloquium
ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Information & tools for observers . ... Australia Telescope Online Archive (ATOA) . ... ATCA | ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... The Australia Telescope National Facility Colloquium . ...
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Ссылки http://www.atnf.csiro.au/news/news.php?action=show_item&item_id=580 -- 27.0 Кб -- 01.03.2014
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16. ASP: Big Clusters, Tiny Galaxies
home publications > mercury . ... Big Clusters, Tiny Galaxies . ... Astronomers struggle to understand why giant star clusters form in the tiniest of galaxies . ... These clusters are probably young versions of globular clusters, but they are commonly called super star clusters. Seven dwarf galaxies within 16 million light-years have formed super star clusters, with one of these galaxies, NGC 1569, possessing two young clusters. ... Super star clusters have a lot to tell us about star formation. ...
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Ссылки http://www.astrosociety.org/pubs/mercury/32_03/clusters.html -- 17.5 Кб -- 20.04.2012
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17. Amateur Telescope Makers of Boston
... Tadpole Emission Nebula and the Flaming Star Nebula . The constellation of Auriga harbors the cluster NGC 1893 which contains the Tadpole Nebula (IC 410). ... The Flaming Star Nebula, IC 405, is the magenta/purplish area and is the reflection portion of this nebulous region. 5nm Narrowband filters; H-alpha: O-III: S-II - 60: 60: 40 minutes x 600-second sub frames, Total= 2-hours 40-minutes, binned 1x1. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...
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Ссылки http://www.atmob.org/gallery/showimage.php?id=1981 -- 4.0 Кб -- 10.04.2016
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18. Achievements - Page 4
... Dept. for Physics of Stars&Galaxies . ... Using a database view Sloan Digital Sky Survey (SDSS), containing almost a million spectra created 15,000 sample galaxies with active star formation, which is used for various studies and physical state of evolution of galaxies. ... Star clusters of the Galaxy . The project MWSC (Milky Way Star Clusters) directory using 2MASS, which includes nearly 500 million vision to the limit Ks = 15.3, analyzed more than 4,000 cluster-like objects in the galaxy. ...
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Ссылки http://www.mao.kiev.ua/index.php/en/observatory/departments/d-stars-galaxies?showall=&start=3 -- 21.2 Кб -- 11.04.2016
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19. Why do Radiopulsars not Usually Form Pairs with Normal Stars?
Next: Caverns in Binary Systems Up: Ejectors in Massive Binary Previous: The Number of Ejectors . In the very first years after the discovery of radiopulsars, it became clear that for some reason they avoid forming binary systems. ... Illarionov and Sunyaev (1975)[ 76 ] noted the fact that coherent radiowaves with a wavelength longer than 75 cm, which make it possible to observe most of the radiopulsars, are absorbed effectively in the stellar wind of a normal star. ...
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Ссылки http://xray.sai.msu.ru/~mystery/articles/review/node54.html -- 7.3 Кб -- 26.02.1997
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20. Multiwavelength Study of Mira Ceti-Type Variable Stars
... There are preliminary series of photometric and radio spectral observations of the above-mentioned stars, archival data on the light curves of the stars, results of the search for OH and H 2 O maser emission in IRAS point sources that possess the IR parameters similar to Miras. ... The aim is a detailed study of the maser emission variability. ... In 1996-1997, astronomical observations of Mira Ceti-type stars (miras) were carried out in three spectral ranges: optical, infrared, and radio. ...
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Ссылки http://comet.sai.msu.ru/~gmr/miras.html -- 13.9 Кб -- 25.11.2015
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