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1. Galactic Center Flicker Indicates Black Hole
... CXO , NASA Explanation: Why would the center of our Galaxy flicker? Many astronomers believe the only credible answer involves a black hole . ... This short flicker therefore provides additional evidence that a black hole does indeed reside at our Galaxy's center . ... Publications with keywords: black hole - Galactic Center - Sgr A . Publications with words: black hole - Galactic Center - Sgr A . ... A Laser Strike at the Galactic Center . ... Sgr A*: Fast Stars Near the Galactic Center . ...
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Ссылки http://www.astronet.ru/db/xware/msg/apod/2001-09-10 -- 15.0 Кб -- 09.10.2004
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2. APOD: 2001 September 10 - Galactic Center Flicker Indicates Black Hole
... 2001 September 10 . Galactic Center Flicker Indicates Black Hole . ... CXO , NASA . Explanation: Why would the center of our Galaxy flicker? Many astronomers believe the only credible answer involves a black hole . ... Only one known type of object can fit so much mass in so small a volume: a black hole . This short flicker therefore provides additional evidence that a black hole does indeed reside at our Galaxy's center . ... About APOD | ... NASA Technical Rep.: ...
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Ссылки http://www.sai.msu.su/apod/ap010910.html -- 5.1 Кб -- 01.10.2012
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3. ASP: Black Holes: An Introductory Resource List
home education > resources . ... Resources . ... Astronomy Education Bibliography . ... Black Holes: An Introductory Resource List . ... http://hubblesite.org/explore_astronomy/black_holes/home.html . ... The Universe in the Classroom (The ASP's Newsletter on Teaching Astronomy) Issue on Black Holes by John Percy: . ... For a set of black hole information guides and demonstration activities from the ASP's and JPL's Night Sky Network, click on the link below and check the box on black holes: . ...
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Ссылки http://www.astrosociety.org/edu/resources/blackholes4.html -- 20.3 Кб -- 02.10.2012
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4. Metagalaxy sector, archive 2015
... 2015: . Explanation of the Origin of Ultraluminous X-Ray Sources . Using optical spectroscopy, we revealed the origin of unusual objects: ultraluminous X-ray sources in other galaxies, which radiate in the X-ray range thousands times stronger than the black holes in our Galaxy. ... Detection of Radio Transients and Variable Radio Sources using the Archive Data of the Cold Surveys . ... O.Zhelenkova ), E.Majorova, A.Temirova . ... E.Majorova, O.Zhelenkova. ... Archive . ...
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Ссылки http://www.sao.ru/Doc-en/Science/results/ar_metagal/res2015.html -- 9.2 Кб -- 10.04.2016
[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/Science/results/ar_metagal/res2015.html -- 9.2 Кб -- 10.04.2016
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[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/Science/results/ar_metagal/res2015.html -- 9.2 Кб -- 10.04.2016
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5. A survey for the missing hydrogen in high redshift radio sources
Unlike at lower redshift, where there is a 40% detection rate, surveys for 21-cm absorption arising within the hosts of z 1 radio galaxies and quasars have been remarkably unsuccessful. ... In order to find this "missing" gas at high redshift, we have therefore undertaken a survey of z 2 radio sources, selected by optical faintness. ... The possibility that the other five could be located at lower photon rates cannot be ruled out, although zero detections out of five is not statistically significant. ...
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Ссылки http://www.atnf.csiro.au/people/Matthew.Whiting/papers/html_abstracts/high-z-missing-H.html -- 4.6 Кб -- 05.02.2013
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6. Culgoora catalog
... O.B Slee , Australia Telescope National Facility, CSIRO, Sydney bslee@atnf.csiro.au ----------------------------------------------------- ... ----------------------------------- 1- 8 A8 --- Name IAU name 9 A1 --- nFlag Flagged '*' or '#' 11- 12 I2 h RAh Right Ascension B1950 (hours) 14- 15 I2 min RAm Right Ascension B1950 (minutes) 17- 20 F4.1 s RAs Right Ascension B1950 (seconds) 22 A1 --- DE- Declination B1950 (sign) 23- 24 I2 deg DEd Declination ... Dulk, G.A. Slee, O.B. 1972, Aust. ...
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Ссылки http://www.sao.ru/cats/doc/CUL80_160.html -- 10.2 Кб -- 18.03.2015
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7. G332.4-0.4
... Flux density at 1 GHz (/Jy): 28 . ... Radio: Shell, brightest to the S. Optical: Filaments correspond well to the radio shell, brightest in SE. X-ray: Brightest to NW, with point source near centre. Point sources: Central, variable X-ray source, and nearby pulsar. ... Molonglo at 408 MHz (3') and Parkes 64-m at 5 GHz (4'). ADS . ... ASCA observations of compact X-ray source. ... X-ray variability of central source. ... ATCA at 1.4 GHz (50''), including H I absorption to central source. ...
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Ссылки http://www.mrao.cam.ac.uk/projects/surveys/snrs/snrs.G332.4-0.4.html -- 7.9 Кб -- 10.04.2016
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8. Astronomy Resources
... I am currently leading the GHOSTS Survey , a large HST survey of the resolved stelllar populations of bulges, thick disks, and halos of nearby, massive disk galaxies. ... Databases, archives, resources . ... NED for extra-galactic data, images and references . ... Canadian Astronomical Data Center with the CFHT, HST, JCMT, ESO, La Palma, USNO, UKIRT, Hipparcos and Guide Star Catalog archives . ... HST UV-optical "true color images" from our local universe HST UV galaxy survey (password protected) . ...
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Ссылки http://www.stsci.edu/~dejong/astro.html -- 12.9 Кб -- 18.12.2007
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9. Astronomy articles, forums, listings, and other resources about Astronomy.
... Articles | ... Forums . ... 230 deg . 49 deg . ... 130 deg . ... More Info . ... 210 deg . ... 168 deg . ... 249 deg . ... 195 deg . ... 271 deg . ... 110 deg . ... 338 deg . ... July 15 . 247 deg . ... 224 deg . ... 340 deg . ... July Phoenicids (PHE) . ... August 10 . 341 deg . ... 339 deg . ... 307 deg . ... 334 deg . ... 335 deg . ... 286 deg . ... 327 deg . ... 262 deg . ... 102 deg . ... 153 deg . ... 117 deg . ... December 2 . ... 123 deg . ... 100 deg . ... www.astronomy.net . ...
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Ссылки http://www.astronomy.net/meteors/ -- 24.4 Кб -- 09.04.2016
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10. http://xray.sai.msu.ru/~polar/html/CV/cv2004_n.txt
... Ph.D. in Astrophysics 1998 ("Population synthesis of X-ray sources after the burst of starformation and evolution of isolated neutron stars") Supervisor: Prof. V.M. Lipunov Moscow State University, Russia. ... Local population of young isolated black holes. ... Young Scientists Research Award, Awarded by Moscow State University 2001 5.) ... Young Scientists Research Award, Awarded by Moscow State University 2000 7.) ... Young Scientists Research Award, Awarded by Moscow State University 1999 9.) ...
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Ссылки http://xray.sai.msu.ru/~polar/html/CV/cv2004_n.txt -- 7.9 Кб -- 27.08.2008
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11. di_eks
... A comparison of the computed and experimental relations F max ( H), as well as comparison of drift scans of point sources across different horizontal cross-sections of the BP with the corresponding computed cross-sections were made. ... The drift scans of the point source 3С84 (H=87 o ) at the wavelength 7.6 cm across the horizontal cross-sections of the BP (black lines) and the computed horizontal cross-sections of the BP corresponding to them (red lines). ...
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Ссылки http://mavr.sao.ru/hq/len/di_eks_e.htm -- 16.9 Кб -- 24.02.2010
[ Сохраненная копия ] Ссылки http://www.sao.ru/hq/len/di_eks_e.htm -- 16.9 Кб -- 24.02.2010
[ Сохраненная копия ] Ссылки http://jet.sao.ru/hq/len/di_eks_e.htm -- 16.9 Кб -- 24.02.2010
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12. Source lies near to a bright source - bit 6
... Meta Index / Home Page / Source Flagging Algorithms Any source either having a raw count-rate >= 80, or with quality flag bit 4 set (mod-8 pattern) is checked for "close" neighbours, which may be flagged. ... Check each source in the vicinity of the bright source . ... Compute the maximum distance for flagging the source from maxRad = max(exclusionradius, min(70.0, 35.0 * countTable(i) // 80.0) ) If the flagging is done by omdetect, the exclusion radius is determined from the algorithm at the end . ...
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Ссылки http://xmm.vilspa.esa.es/sas/8.0.0/doc/omdetect/node52.html -- 4.7 Кб -- 22.10.2008
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13. http://hea-www.harvard.edu/vlp_m33_public/sasaki_poster.pdf
Chandra ACIS Survey of M33 ( ChASeM33 ): The X-ray Point Source Population of M33 M. Sasaki (CfA), B. Williams (University of Washington), P. Plucinsky (CfA), W. Pietsch (MPE), T. J. Gaetz (CfA), K. S. Long (STScI ... University), F. Haberl (MPE), T. G. Pannuti (Morehead State University), P. Ghavamian (JHU), L. Bianchi (JHU), A. Tolea (JHU), and the ChASeM33 team With most of the 1.4 Ms of Chandra ACIS ... Fig. ... We interpret this as an eclipse of the X-ray source. ...
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Ссылки http://hea-www.harvard.edu/vlp_m33_public/sasaki_poster.pdf -- 1065.4 Кб -- 26.09.2007
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14. 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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15. ESO - New Release of Images and Source lists for VPHAS+
... Public . Science . ... Science Users Information > Science Publications > Science Announcements > New Release of Images and Source lists for VPHAS+ . ... Observing with ESO Telescopes . ... New VST Public Survey data products resulting from the VST Photometric HЮБ Survey of the Southern Galactic Plane (VPHAS+) are now available via the dedicated Phase 3 query interface at the Science Archive Facility . ... The VPHAS+ public survey data release is accompanied by a comprehensive description . ...
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Ссылки http://www.eso.org/sci/publications/announcements/sciann15043.html -- 23.7 Кб -- 10.04.2016
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16. New Moons of Uranus
New Moons of Uranus . Brent Gladman's Home Page . ... The discovery of two probable distant satellites of Uranus was reported by B. Gladman, P. Nicholson, J. Burns and J. Kavelaars. ... This discovery was reported in the IAU Circular 6764 . ... Discovery image of S/1997 U 2 . This shows the discovery image of brighter of the two new moons of Uranus. ... This shows the discovery image of faint new moons of Uranus. ... This shows another discovery image of faint new moons of Uranus. ... Uranus . ...
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Ссылки http://www.arcetri.astro.it/irlab/Astro/solar/eng/urmoon97.htm -- 8.4 Кб -- 15.03.1998
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17. Elena Seifina. Publications
... Elena Seifina and Lev Titarchuk "On the nature of the compact object in SS433: observational evidence of X-ray photon index saturation" 2010, Astrophysical. ... A.M. Cherepashchuk, R.A. Sunyaev, E.V. Seifina, E.A. Antokhina, D.I. Kosenko, S.V. Molkov, N.I. Shakura, K.A. Postnov, A.N. Timokhin, I.E. Panchenko "INTEGRAL Observations of SS433: Analysis of Precessional and Orbital X-ray Periodicities" 2007, 6th INTEGRAL Workshop, Eds. S. Grebenev, R.A. Sunyaev, p.411 (astro-ph/0610235) . ...
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Ссылки http://uranus.sai.msu.ru/~seif/papers.html -- 8.0 Кб -- 16.12.2013
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18. Ya.B. Zeldovich All-Moscow Seminar of Astrophysicists
... Seminar archive . ... The structure of the X-ray sources in the hard spectral state of accreting black-hole binaries has been a subject of intense debate. The paradigm dominant for many years postulated that the accretion disc in the hard state is truncated at some radius >> the innermost stable orbit (ISCO) whereas the disc reaches the ISCO in the soft state. ... On the other hand, there have been numerous claims in recent years that the disc extends to the ISCO in the hard state. ...
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Ссылки http://master.sai.msu.ru/en/osa/archive/2015/10/23/ -- 6.7 Кб -- 09.04.2016
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19. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B95041B8C-08D0-4B7C-A912-8FC59CC7F45B%7D
. The view shows a composite of data from NASA's Chandra X-ray Observatory (blue) and the Hubble Space Telescope. The bright objects in the center of the image are young, massive stars around M33 X-7, and the bright, blue Chandra source is M33 X-7 itself. X-rays from Chandra reveals how long the black hole is eclipsed by the companion star, which indicates the size of the companion. NASA/CXC/CfA/P.Plucinsky et al.
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B95041B8C-08D0-4B7C-A912-8FC59CC7F45B%7D -- 3.6 Кб -- 10.04.2016
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- http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B67B046B3-CAF9-4B5D-AA62-9790D6A092C7%7D
- http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BBE77F744-E1F8-4203-AC6A-47FE0395440F%7D
- http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B203AE416-3031-4F3F-AAE0-3D91BC66084E%7D
20. Calibration Scans on Continuum Sources
Next: CORRELATOR BOARDS Up: OBSERVING PROCEDURES Previous: Frequency Switching . ... Continuum sources in the list used for flux density calibration were selected in an ad-hoc fashion from a variety of places, but primarily from Kuehr et al (A&AS, 45, 367, 1981), the compendium of linearly polarized sources by Tabara & Inoue (A&AS, 39, 379, 1980), and an unpublished list of unconfused calibrator sources prepared from the NVSS survey by Jim Condon and Qi Feng Yin. ... Board 0 . ...
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Ссылки http://www.naic.edu/~astro/spectral_line/handbook/node12.html -- 12.5 Кб -- 20.03.2002
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