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1. Massive Stars in Open Cluster Pismis 24
... Massive Stars in Open Cluster Pismis 24 . ... Estimates made from distance, brightness and standard solar models had given one star in the open cluster Pismis 24 over 200 times the mass of our Sun, making it a record holder. ... Toward the bottom of the image, stars are still forming in the associated emission nebula NGC 6357 , including several that appear to be breaking out and illuminating a spectacular cocoon . ... Publications with keywords: massive stars - star formation . ... NGC 281 . ...
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Ссылки http://www.astronet.ru/db/xware/msg/1231502 -- 14.2 Кб -- 26.10.2008
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2. APOD: 2012 November 18 - NGC 6357: Cathedral to Massive Stars
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2012 November 18 . NGC 6357: Cathedral to Massive Stars . Image Credit: NASA , ESA and Jes s Ma z Apell niz ( IAA , Spain) . Explanation: How massive can a normal star be? ... Toward the bottom of the image, stars are still forming in the associated emission nebula NGC 6357 . ... About APOD | ... A service of: ASD at NASA / GSFC . ...
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Ссылки http://www.sai.msu.su/apod/ap121118.html -- 5.2 Кб -- 03.02.2013
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3. Dnepr Cluster Launch Preparations Nearing Completion at Baikonur
... Comments, Opinions Publications Dnepr Program . Dnepr launch record 17 August 2011. Cluster Launch of Dnepr LV 22 August 2013 KOMPSAT-5 Launch 21 November 2013. Dnepr Cluster Mission 2013 19 June 2014. Dnepr Cluster Mission 2014 6 November 2014. ... Mission profile SHM configuration Reliability Dnepr LV Performance Launch Sites . Baikonur Cosmodrome Yasny launch base Downloads . ... Preparations for the Dnepr-DubaiSat-1 launch are well progressing at Baikonur Cosmodrome. ...
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Ссылки http://www.kosmotras.ru/en/news/73/ -- 11.0 Кб -- 09.04.2016
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4. 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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5. http://www.stsci.edu/ftp/observing/status_reports/old_reports_94/hst_status_03_04_94
HUBBLE SPACE TELESCOPE DAILY REPORT #1089 PERIOD COVERED: 0700 EST Daily Status Report as of 066/1200Z. 1.0 ACTIVITIES SCHEDULED AND ACCOMPLISHED: 1.1 Completed FOC/96 5146 (Ultraviolet Observations of Globular Clusters) The Faint Object Camera (f/96) was used to make ultraviolet observations of the core region of globular cluster NGC-6397. ... The images were reported to be nominal, and no anomalies were noted. ... 3.5 Complete WF/PC-2 5560 (WF/PC-2 Cycle 4 Calibration: Internal Monitor. ...
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Ссылки http://www.stsci.edu/ftp/observing/status_reports/old_reports_94/hst_status_03_04_94 -- 7.7 Кб -- 07.03.1994
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6. 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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7. ESO - Thesis Topic: The onset of cluster formation near young high-mass stars
... Science Users Information > Science Activities > PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: The onset of cluster formation near young high-mass stars . ... Observing with ESO Telescopes . ... ESO-MIDAS . ... ESO Data . ... We performed a NACO survey of massive young stellar objects (MYSOs) assessing the incidence of lower mass objects at angular scales 0:500 < d < 200 during the earliest, deeply embedded, phases of star formation. ... Return to list of thesis topics . ...
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Ссылки http://www.eso.org/sci/activities/thesis-topics/abstr-deWit.html -- 26.5 Кб -- 10.04.2016
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8. Evolutionary Paths in Galaxy Morphology
... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... We now know that globular clusters formed at high redshift and that they survived violent merging events and galaxy metamorphoses with time, preserving the chemo-dynamical record of their parent galaxies. ...
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Ссылки http://www.atnf.csiro.au/research/conferences/2013/gzo/abstracts/a78.html -- 49.6 Кб -- 11.04.2016
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9. Amateur Telescope Makers of Boston
... This image shows a 7th magnitude star cluster, it's reflection nebula, an extended diffuse nebula and Barnard Dark Nebulae. The bright star at the top is omicron Persei (Atik). The cluster next to Atik is a star forming region with as many as 300 stars ranging from the brightest at B5 to low mass brown dwarfs. ... The obscuring dark areas are the Barnard Dark Nebulae 1 through 4. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...
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Ссылки http://www.atmob.org/gallery/showimage.php?id=1735 -- 3.6 Кб -- 10.04.2016
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10. http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/ViaLattea/0025.txt
... STScI-PRC00-25 A DYING STAR IN GLOBULAR CLUSTER M15 The globular cluster Messier 15 is shown in this color image obtained with the NASA Hubble Space Telescope's Wide Field Planetary Camera 2 (WFPC2). ... Known as Kuestner 648, this was the first planetary nebula to be identified in a globular cluster. ... At the present time, the most massive stars remaining in M15 have about 80 percent of the mass of our Sun, a fact that makes the existence of a planetary nebula like K 648 something of a mystery. ...
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Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/ViaLattea/0025.txt -- 6.1 Кб -- 02.03.2001
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11. ASP: Making Your Own Astronomical Camera
Turning the Camera Skyward . A reconfigured camera can take wide-field exposures of astronomical objects (constellations, the Milky Way, zodiacal light, moving artificial satellites, meteor showers, variable stars, etc.) to reveal much fainter objects and structures than seen by naked eye. ... This picture reveals objects more than 2.5 times fainter than can be seen by the naked eye, including not only stars but also the Orion nebula (M42), where new stars are being born. ...
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Ссылки http://www.astrosociety.org/edu/publications/tnl/50/camera3.html -- 12.8 Кб -- 02.10.2012
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12. http://www.naic.edu/~gibson/m42/m42_HST.txt
... STScI-PRC95-45a CRUCIBLE OF CREATION: PANORAMIC HUBBLE MOSAIC ZOOMS IN ON MAELSTROM OF STAR BIRTH This spectacular color panorama of the center the Orion nebula is one of the largest pictures ever assembled from individual images taken with NASA's Hubble Space Telescope. ... Though this 2.5 light-years wide view is still a small portion of the entire nebula, it includes almost all of the light from the bright glowing clouds of gas and a star cluster associated with the nebula. ...
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Ссылки http://www.naic.edu/~gibson/m42/m42_HST.txt -- 6.0 Кб -- 07.12.1995
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13. Impact Hazard
... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Risks Comparable to NEOs . ... The Increasing Rate of Discovery of Asteroids . ... Comet and Asteroid Collision Probabilities . ... Extreme albedo comets and the impact hazard (PDF Format) . ... Asteroid Impact Animations . ... Workshop on Scientific Requirements for Mitigation of Hazardous Comets and Asteroids - 2002 . ... The Spaceguard Survey Report, 1992 (PDF) . Tsunami from Asteroid/Comet Impacts . ...
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Ссылки http://star.arm.ac.uk/impact-hazard/ -- 11.3 Кб -- 29.06.2012
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14. Black hole shatters record | Astronomy.com
... Tonight's Sky . ... Star Atlas . ... Behemoth black hole found in an unlikely place . ... Black hole shatters record . NASA astronomers have found a new black hole that breaks a record, making it the largest black hole known that orbits another star. ... The previous record holder for largest stellar-mass black hole is a 16-solar-mass black hole in the galaxy M33, announced on October 17. ... Calculations suggest massive stars in our galaxy leave behind black holes no heavier than about 15 Suns. ...
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Ссылки http://www.astronomy.com/news/2007/11/black-hole-shatters-record -- 70.7 Кб -- 10.04.2016
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15. Second Spectrum-RG/eROSITA Conference
... Over the first 4 years, its X-ray telescopes eROSITA and ART-XC will survey the whole sky with a record sensitivity in the 0.5-10 keV energy band. ... The goal of the second international Spectrum-RG conference is to discuss the different scientific topics addressed by the mission, synergies with surveys at other wavelengths, and requirements to follow-up observations.Contributed talks and poster presentations are invited on the topics related to the SRG science goals. ... Active galactic nuclei . ...
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Ссылки http://hea.iki.rssi.ru/kazan2012/ -- 16.7 Кб -- 27.02.2014
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16. TESIS has recorded new sizeable mass ejections from the Sun's atmosphere
... One of this year's largest mass ejections from the Sun's atmosphere was recorded last Sunday by TESIS telescopes aboard the CORONAS-PHOTON satellite ( video - wmv 4.3 MB ). ... Over the course of a week, two gigantic solar prominences were simultaneously ejected from the surface of the Sun. ... Earth will not feel the Sun's influence either. ... The TESIS observatory ї TESIS: www.tesis.lebedev.ru . ... One of this year's largest mass ejections from the Sun's atmosphere (movie WMV, 4.3 MB) . ...
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Ссылки http://www.tesis.lebedev.ru/en/info/mass_ejection_20090614_en.php -- 10.4 Кб -- 01.10.2012
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17. The Sun -- History
... Files in red?history) . ... The Sun . ... Large sunspots may be occasionally seen by the unaided eye, with the sun near the horizon and dimmed by thick haze. ... Year after year, beginning in 1826, on every clear day, Schwabe would scan the sun and record its spots, until 17 years later he began to suspect a regular variation . ... Some, led by Rudolf Wolf, examined old records to reconstruct earlier sunspot cycles, while Edward Sabine in England in 1852 found a similar periodicity in magnetic...
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Ссылки http://www.iki.rssi.ru/mirrors/stern/Education/whsun.html -- 12.4 Кб -- 24.03.2006
[ Сохраненная копия ] Ссылки http://www.cosmos.ru/mirrors/stern/Education/whsun.html -- 12.4 Кб -- 24.03.2006
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18. March Sky Wonders | Astronotes
Astronotes Armagh Planetarium's Stellar Blog! ... Earth Satellites . ... Monthly Sky Notes . ... By admin March 5, 2013 Posted in: March , Monthly Sky Notes . ... It has been a hard object not to spot due to its intense brightness in the constellation of Taurus following the beautiful bright star Aldebaran across the sky, and although Jupiter has been mentioned a lot recently in the night sky Astronotes this month will provide a particularly exciting view of the solar system record breaker. ...
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Ссылки http://www.armaghplanet.com/blog/march-sky-wonders.html -- 48.5 Кб -- 09.04.2016
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19. ASCII source files
Next: Format files Up: Star tables Previous: Star tables . ... If so, simply copy out the data for your program stars as fixed-format ASCII records, one star per record. ... It will first ask for the name you want to give your new program-star table. ... It is important to make sure the star names in your source files match those in your data files. ... That means using short, unique names in your program-star files, to match those that will appear in the data. ...
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Ссылки http://www.sao.ru/precise/Midas_doc/doc/95NOV/vol2/node256.html -- 7.2 Кб -- 23.02.1996
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20. Ya.B. Zeldovich All-Moscow Seminar of Astrophysicists
... Seminar archive . ... Type Ia Supernovae (SNe Ia) have an important role to measure a distance to an anonymous galaxy because they have a good correlation of the decline rates of the light curves with the absolute luminosity. ... First, super-Chandrasekhar SNe which have extremely high luminosity, slow decline rate of the light curves, slow expansion velocity and strong carbon features. ... As another example of diversity of SNe Ia, I would like also to introduce Type Iax SNe. ... All seminars: . ...
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Ссылки http://master.sai.msu.ru/en/osa/archive/2014/11/21/ -- 7.5 Кб -- 09.04.2016
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