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1. APOD: 2008 September 24 - Active Region 1002 on an Unusually Quiet Sun
... 2008 September 24 . Active Region 1002 on an Unusually Quiet Sun . ... Explanation: Why has the Sun been so quiet recently? ... Our Sun has shown few active regions -- that house even fewer associated sunspots -- for over a year now, and such a period of relative calm is quite unusual. ... Visible above, this region, dubbed Active Region 1002 (AR 1002), was imaged in ultraviolet light yesterday by the SOHO spacecraft , which co-orbits the Sun near the Earth. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap080924.html -- 6.9 Кб -- 28.02.2014
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2. APOD: June 16, 1998 - An Active Region of the Sun
... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. June 16, 1998 . An Active Region of the Sun . Credit: A. Title ( Stanford Lockheed Institute ), TRACE , NASA . ... This false-color image depicts an active region near an edge of the Sun . Hot plasma is seen exploding off the Sun's photosphere and traveling along loops defined by the Sun's magnetic field . ... About APOD > . ...
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Ссылки http://www.sai.msu.su/apod/ap980616.html -- 4.4 Кб -- 02.10.2012
[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/sun/activesun_trace_big.html -- 4.3 Кб -- 06.12.2000
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[ Сохраненная копия ] Ссылки http://www.arcetri.astro.it/~palla/ANDREAIMMAGINI/sun/activesun_trace_big.html -- 4.3 Кб -- 06.12.2000
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3. Sunspots and active regions September 09, 2015
... Sun images . ... Sun flares . ... Active areas . September : 2015 . ... The following regions with sunspots can be now observed on the Sun's surface . Group number . ... Group length (in degrees) . ... Coordinates and other characteristics of active regions are issued for September 09, 2015 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 September 09, 2015 00:31 UT . ...
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Ссылки http://www.tesis.lebedev.ru/en/active_areas.html?m=9&d=9&y=2015 -- 23.4 Кб -- 11.04.2016
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4. Active Region 1002 on an Unusually Quiet Sun
... Active Region 1002 on an Unusually Quiet Sun . ... Our Sun has shown few active regions -- that house even fewer associated sunspots -- for over a year now, and such a period of relative calm is quite unusual. What is well known is that our Sun is in a transitional period between solar cycles called a Solar Minimum , where solar activity has historically been reduced. ... Publications with keywords: active region - solar cycle - sunspot . ... A Sunspot in the New Solar Cycle . ... Solar Moss . ...
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Ссылки http://www.astronet.ru/db/xware/msg/1229671 -- 15.2 Кб -- 24.09.2008
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5. Solar Active Region 10999 by Deirdre Kelleghan | International Year of
. Home . News . Gallery . Events . Twitter . Press Releases . Links . Contact Us . Calendar . Press & Web Coverage . Previous . Next . List . Deirdre Kelleghan kept observing the Sun and she sent us a new wonderful drawing: "Active Region 10999, June 20th 2008 13:45 UT; PST 40/8mmTVP eyepiece/50X upscaled by eye; soft pastels and graphite on black paper". Thank you, Deirdre! . Tuesday, 24 June 2008 01:52 . International Year of Astronomy, Ireland National Node . [Back To Top] .
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Ссылки http://star.arm.ac.uk/scholars/iya/gallery/astro-art/solar_active_region_10999_b.html -- 7.1 Кб -- 31.12.2009
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6. Multichannel Flare Spectrograph Archive 1997
Data Archive . Video-records archive . ... 1997 | ... Time (UT) Counter Remarks _______________________________________________________________________________ 05.01. 10:29:17 2:06:42 scan disk 11:58:23 2:11:19 active regions 06.01. 09:49:51 2:12:17 scan disk 10:56:24 2:19:10 active regions 12.01. 09:39:12 2:19:59 scan disk 10:03:41 2:27:51 active region 10:05:09 2:28:34 filament 10:07:17 2:29:10 ...
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Ссылки http://lnfm1.sai.msu.ru/~kupry/videos2000.html -- 9.3 Кб -- 09.05.2010
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7. http://xmm.vilspa.esa.es/external/xmm_links/trainee/alumni/n_fonseca.pdf
An X-ray/radio sample of Active Galactic Nuclei Nuria Fonseca Bonilla Tutor: Stefano Bianchi Matteo Guainazzi An X-ray/radio sample of Active Galactic Nuclei Brief introduction Results Conclusions An X-ray/radio sample of Active Galactic Nuclei 1. ... Classification of AGN radio loud (powerful jets): e.g: radio galaxies, quasars, blazars... radio quiet radio quiet quasars (RQQs) Veron `06: MABS < -23 Seyfert Veron `06: MABS > -23 An X-ray/radio sample of Active Galactic Nuclei 3. ...
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Ссылки http://xmm.vilspa.esa.es/external/xmm_links/trainee/alumni/n_fonseca.pdf -- 670.0 Кб -- 16.08.2006
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8. SSAU will take an active part in the work of 'space' direction of UNO
... Pre-university education . ... Samara region . SSAU History . SSAU roadmap . ... Samara State Aerospace University (SSAU) will take an active part in the work of space activities of the United Nations organization (UNO). ... The road map shape on inclusion of Samara University into implementation of the UN Program on Space Applications was outlined at the roundtable discussion with the University teachers and specialists and at the meeting with SSAU Rector Yevgeniy Shakhmatov. ...
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Ссылки http://www.ssau.ru/engnews/12046/ -- 25.2 Кб -- 14.12.2015
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9. IDL-based Database of Solar Active Regions
... A database on solar active regions has been implemented in IDL (Interactive Data Language). ... Full-disk 17 GHz radio maps produced by the Nobeyama Radioheliograph provide the basis for the database. Researchers of solar activity often need to access solar active region data. ... So far, we have created an IDL-based database on daily active region data from 1992 July 1 to 1994 December 31 (NOAA 7213 thru NOAA 7821) 2 . ... number of active regions visible on the disk; . ... IDL 1 . ...
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Ссылки http://www.adass.org/adass/proceedings/adass98/grechnevvv1/ -- 14.7 Кб -- 16.07.1999
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10. http://hea-www.harvard.edu/AstroStat/Stat310_1011/ds_20110329.pdf
Automatic Classification of Sunspot Groups Using SOHO/MDI Magnetogram and White Light Images David Stenning March 29, 2011 1 Introduction and Motivation Although solar data is being generated at an unprecedented rate, the majority of sunspot classification is done manually by experts. ... This is to smooth the "white" areas in the magnetograms. ... Left: Inverse Magnetogram Right: "Opened" Inverse Magnetogram 6 Using the cleaned images, sunspot active-region "seeds" are obtain by thresholding. ...
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Ссылки http://hea-www.harvard.edu/AstroStat/Stat310_1011/ds_20110329.pdf -- 635.7 Кб -- 29.03.2011
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11. LARGE-SCALE PHENOMENA AT THE SUN ASSOCIATED
LARGE-SCALE PHENOMENA AT THE SUN ASSOCIATED . WITH FILAMENT ERUPTIONS OUTSIDE ACTIVE . ... Considering the 12.09.1999 event as an example, we analyze manifestations of large-scale disturbances associated with coronal mass ejections (CMEs) caused by filament eruptions outside of active regions. ... The filament eruption occurred in relatively weak magnetic fields, but it was accompanied by larger-scale phenomena than flare events do. ...
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Ссылки http://www.izmiran.rssi.ru/~ichertok/990912/abstract.html -- 7.0 Кб -- 16.09.2008
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12. Detection of polarized radiation sources with unusual spectral characteristics
... Solar flare activity is produced by the processes of accumulation and release of energy in an active region. ... In the framework of study of solar active regions, producing powerful flares the researchers from the RATAN-600 radio telescope have detected sources with features in the form of a sharp drop in the intensity of polarized radiation in various parts of the recorded frequency range (2-16GHz), sometimes changing the sign of polarization. ...
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Ссылки http://www.sao.ru/Doc-en/SciNews/2011/Bogod/ -- 4.0 Кб -- 02.10.2012
[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/SciNews/2011/Bogod/ -- 4.0 Кб -- 02.10.2012
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[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/SciNews/2011/Bogod/ -- 4.0 Кб -- 02.10.2012
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13. Active Optics
... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Astrophysics graduate student programs . ... Australian Square Kilometre Array Pathfinder . Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ... active optics . ...
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Ссылки http://www.atnf.csiro.au/outreach/education/senior/astrophysics/active_optics.html -- 50.5 Кб -- 11.04.2016
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14. Warm and Dense Molecular Gas in the N 159 Region: 12CO J = 4-3 and 13CO J = 3-2
New 12CO J = 4-3 and 13CO J = 3-2 observations of the N 159 region, an active site of massive star formation in the Large Magellanic Cloud, have been made with the NANTEN2 and ASTE submillimeter telescopes, respectively. ... The 13CO J = 3-2 data were newly taken for the present work. ... The N 159 E clump is associated with cluster(s) embedded, as observed at 24нјm by the Spitzer MIPS, and the derived high temperature, 80 K, is interpreted as being heated by these sources. ...
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Ссылки http://www.stsci.edu/~kgordon/papers/2010PASJ...62...51M.html -- 5.8 Кб -- 21.01.2016
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15. Galaxy Gallery Page III
Galaxies are diffuse objects which are imaged against a background of finite brightness and noise. Galaxies which have the maximum contrast with respect to this background are the ones that are first discovered. ... These galaxies have been missed to date but active surveys for them are underway. ... In this page we present several examples of these newly discovered Low Surface Brightness galaxies as well as examples of high surface brightness galaxies. ...
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Ссылки http://zebu.uoregon.edu/sb.html -- 3.1 Кб -- 26.05.2000
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16. REU Science Area
... Radio astronomers at Arecibo Observatory observe a wide variety of phenomena in the Milky Way and in other galaxies. ... Some REU projects are carried out on pre-existing data, and others rely on obtaining new data. ... Deriving a new shape model from existing radar images has been a popular student project in past years, and there are data sets that could be used for this. We are collecting thermal infrared emission data for many of the near-Earth asteroids that are also observed with radar. ...
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Ссылки http://www.naic.edu/reu_docs/science_area.html -- 9.5 Кб -- 13.12.2014
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17. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BFCF960CE-2056-42F4-999D-027F3C7AEC15%7D
Active region 1158 let loose with an X2.2 flare late on February 15, the largest flare since Dec. 2006 and the biggest flare so far in Solar Cycle 24. Active Region 1158 is in the southern hemisphere, which has been lagging the north in activity but now leads in big flares. Here is a blowup of the flaring region taken by NASA's Solar Dynamics Observatory in the extreme ultraviolet wavelength of 193 Angstroms. ... NASA/SDO ...
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BFCF960CE-2056-42F4-999D-027F3C7AEC15%7D -- 3.9 Кб -- 10.04.2016
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18. Researches of Astronomy and Space Physics Department
Nowadays at the Department the experimental and theoretical investigations, including astronomical and ionospheric observations, active experiments with space vehicles are taking place. ... Solar Corona physics and erruptive phenomenae. ... Stellar astronomy. ... The Department has organized and put into practice more then 50 expeditions for observation of Solar ecllipces, aurorae polaris, comets, meteor streams, controlled space experiments, and also for investigations of geophysical characteristics. ...
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Ссылки http://space.univ.kiev.ua/research.html -- 16.2 Кб -- 16.02.2005
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19. Towards a Truly Unified Model of AGN
... Towards a Truly Unified Model of AGN . ... The Unified Model holds that the aspect-dependent effects primarily determine the nature of the active galactic nucleus that we observe. ... The full postscript file can be obtained here: . The PASA Latex file can be obtained here: . The postscript file of Fig 1 can be obtained here: . ...
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Ссылки http://www.mso.anu.edu.au/~mad/unified.html -- 6.8 Кб -- 09.04.2016
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20. Space Scientific and Education project of Lomonosov Moscow State University
... Research objects and scientific purposes . Space scientific program includes development and launch of two supersmall spacecrafts "Universitetskiy" and "Kompas-2" intended for monitoring of radiation conditions near the Earth. ... All the studies conducted in the near-Earth space are characterised by strong radiation fields. ... The circular polar orbits, which cover all the near-Earth space, are the most favorable for comprehensive studies of the radiation conditions near the Earth. ...
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Ссылки http://cosmos.msu.ru/eng/sciprog.html -- 11.1 Кб -- 05.12.2005
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