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1. Sunspot Region 30
Astronomy Picture of the Day . Sunspot Region 30 . ... Credit: MDI , SOHO , ESA , NASA Explanation: The solar active region designated number 0030 is now appearing on the visible hemisphere of the closest star . ... The panels above were recorded July 15, 16, and 17 (top to bottom) by the MDI instrument on the space-based SOHO Observatory as the solar rotation slowly carried the large, dynamic sunspot group across the Sun's nearside . ... Publications with keywords: Sun - sunspot - active region . ...
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Ссылки http://www.astronet.ru/db/xware/msg/1178369 -- 14.1 Кб -- 18.07.2002
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2. http://xmm.vilspa.esa.es/sas/5.4.1/doc/omregion.ps.gz
... Parameter Mand Type Default Constraints set yes string The input OM OSW source list srcnumber yes integer The number of the source in the OM OSW source list srcradius yes real 3 The size of the source extraction radius : in FWHM of the source PSF, if it is positive, and in xed pixels if it is negative bkginner yes real 1 The inner radius of the background extraction ... The output region les could be based on the input root plus the source number. ...
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Ссылки http://xmm.vilspa.esa.es/sas/5.4.1/doc/omregion.ps.gz -- 48.3 Кб -- 10.01.2003
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3. TESIS - Telescopes for EUV Spectral Imaging of the Sun
... The TESIS is a set of solar imaging instruments developed by the Lebedev Physical Institute of the Russian Academy of Science, and launched aboard the Russian spacecraft CORONAS-PHOTON on January 30, 2009. The main goal of the TESIS is to provide complex observations of solar active phenomena from the transition region to the inner and outer solar corona with high spatial, spectral and temporal resolution in the EUV and Soft X-ray spectral bands. ... Solar activity hits a new low . ...
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Ссылки http://www.tesis.lebedev.ru/en/ -- 19.2 Кб -- 09.04.2016
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4. http://www.stsci.edu/science/share/spec_cubes_kriss_020602.txt
Creating 3D Data Cubes ====================== Description: Combine dithered long-slit spectroscopic observations to produce 3D data cubes, i.e., spatial maps or images (2D) with a third dimension that is a function of wavelength. ... Assumptions The paucity of spatial information in an FOS or STIS spectral data set that could be used to empirically align and combine separate observations makes it essential that the data headers contain accurate spatial information. ... Identify suitable data sets. ...
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Ссылки http://www.stsci.edu/science/share/spec_cubes_kriss_020602.txt -- 6.5 Кб -- 06.02.2002
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5. Spectral Analysis
... The x-ray spectral analysis consists of a comparison between the observed pulse height spectrum and a pulse height spectrum calculated using a given spectral model. ... To obtain the spectral parameters for an x-ray source, several steps need to be followed. For each source: . ... obtain the best fit parameters for a spectral model - repeated for each model of interest . obtain a 1-D or 2-D grid of values around the best fit values - this can be done for as many models as desired . ...
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Ссылки http://hea-www.harvard.edu/PROS/PUG/node135.html -- 7.8 Кб -- 01.10.2012
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6. 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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7. Armagh Observatory
... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... The top panel shows an image of the Sun in the O VI 1032 line obtained on 1996 June 7 by the SUMER instrument, with the three regions for which O VI 1032 and 1038 line intensities were determined from SUMER spectra labelled as A, B and C. The remaining panels show plots of the measured I(1032)/I(1038) ratios for each region. ... A similar effect can take place between lines of differing optical depth. ...
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Ссылки http://star.arm.ac.uk/highlights/2014/649.html -- 6.4 Кб -- 11.03.2014
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8. HII regions H109-line catalog
... Many of these radi HII regions lie beyond the range of optical detection, at distances exceeding several kpc; they thus provide a comprehensive coverage of the southern HII regions in the Galaxy over the longitude range 210 to 360^o and consistute a vital data base for the study of galactic structure. ... C Caswell (1972) . ... In column 16, "V", or a specific nebula name, denotes the presence of a visible optical counterpart, and "A" indicates the absence of an optical counterpart. ...
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Ссылки http://www.sao.ru/cats/doc/HII_Caswell.html -- 3.8 Кб -- 18.03.2015
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9. APOD: 2002 July 18 - Sunspot Region 30
... 2002 July 18 . Sunspot Region 30 . Credit: MDI , SOHO , ESA , NASA . Explanation: The solar active region designated number 10030 (or simply region 30) is now appearing on the visible hemisphere of the closest star . ... The panels above were recorded July 15, 16, and 17 (top to bottom) by the MDI instrument on the space-based SOHO Observatory as the solar rotation slowly carried the large, dynamic sunspot group across the Sun's nearside . ... About APOD | ... NASA Technical Rep.: ...
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Ссылки http://www.sai.msu.su/apod/ap020718.html -- 4.5 Кб -- 01.10.2012
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10. Arcetri Guaranteed Time
Herschel Guaranteed-Time Key Projects . at Arcetri . ... Both regard spectroscopic observations of different classes of star-forming regions in the Galaxy. WISH: WATER IN STAR-FORMING REGIONS WITH HERSCHEL . ... HS3F: HERSCHEL SPECTRAL SURVEYS OF STAR FORMATION REGIONS . ... Since gas cools mostly by line emission, knowing what molecules are formed and which lines are emitted in the different regions at different times is mandatory to understand the gas thermal balance. ...
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Ссылки http://www.arcetri.astro.it/science/herschel/herschel_gt.html -- 8.0 Кб -- 21.09.2009
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11. ESO - Thesis Topic: Planetary Nebulae and HII regions in the Elliptical Galaxy
... Science Users Information > Science Activities > PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: Planetary Nebulae and HII regions in the Elliptical Galaxy NGC 5128 . ... NGC 5128 is the closest example of a giant early type (elliptical or S0) galaxy. Although often dubbed as a peculiar elliptical galaxy since it has a dust lane with recent star formation and an active galactic nucleus, the majority of early type galaxies have similar structures as revealed by recent surveys. ...
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Ссылки http://www.eso.org/sci/activities/thesis-topics/abstr-rejkuba-walsh.html -- 27.9 Кб -- 10.04.2016
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12. Visitors Tourists -- The AO Optical Laboratory
At Arecibo we have a variety of optical instruments that we use to study terrestrial airglow emissions. ... As a complement to the airglow instrumentation we also maintain a set of optical instruments, called lidars, used for "active" remote sensing of the atmosphere. That is, we generate our own source signal using lasers and measure the characteristics of the light scattered back from the atmosphere. ... An operations manual for the Optical Laboratories is currently under major revision. ...
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Ссылки http://www.naic.edu/~craig/airglow-text.html -- 9.0 Кб -- 15.01.2003
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13. Oulu Space Physics Textbook
... Title page . ... This service is divided into four sections (Plasma physics, Regions of interest, Phenomena of interest, Space physics instrumentation and analysis methods) and Appendices, each of which contain several pages. ... Space physics studies Sun (and its extension, the solar wind) and all planets with plasma environments, including Earth. ... Geomagnetic activity . ... For us living at high latitudes, the most remarkable plasma phenomena are the auroras relating to geomagnetic activity. ...
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Ссылки http://www.iki.rssi.ru/magbase/REFMAN/SPPHTEXT/ -- 5.7 Кб -- 13.05.2001
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14. MILLIMETRON
... The project assumes creation of an international space observatory - the interferometer "Earth - Space - Space" in order to perform of astronomical investigations in millimeter, submillimeter and infrared regions with extremely high sensitivity (to a few nanoJanskies units of flux density in continuum spectrum) and extremely high angular resolution (to a parts of microsecond of arc or, possibly, nanosecond). ... radio-interferometric channels of the system "Space - Space", region 0.2 - 3 mm; . ...
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Ссылки http://www.asc.rssi.ru/submillimetron/mm/default.htm -- 10.5 Кб -- 05.04.1999
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15. http://www.atnf.csiro.au/research/workshops/2011/ALMA/Jones_ALMAworkshop.pdf
Molecular Lines in Star Formation Regions the ALMA Challenge Paul Jones University of New South Wales Universidad de Chile 1 Molecular Lines in Star Formation Regions - Molecular lines trace the kinematics and chemistry (composition) of molecular clouds. ... The lines also trace physical conditions such as temperature and density, complementary to mm/sub-mm dust continuum data e.g. ATLASGAL and ALMA continuum. ... Simple molecules (eg. ... More complex molecules (eg. ...
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Ссылки http://www.atnf.csiro.au/research/workshops/2011/ALMA/Jones_ALMAworkshop.pdf -- 2370.5 Кб -- 18.05.2011
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16. The Earth's Magnetosphere
... A typical density of energetic ions is 1 per cubic cm., and the ions are matched by electrons, generally of lower energy. ... This region is almost empty of plasma--typical density 0.01 ion/cubic cm., the "best vacuum" in the Earth's vicinity--but it contains a relatively strong magnetic field which, since it fills a large volume, can store appreciable magnetic energy, Many believe that this is the storehouse from which substorms draw their energy, releasing it quite rapidly. ...
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Ссылки http://www.iki.rssi.ru/mirrors/stern/Education/wms2.html -- 10.9 Кб -- 24.03.2006
[ Сохраненная копия ] Ссылки http://www.cosmos.ru/mirrors/stern/Education/wms2.html -- 10.9 Кб -- 24.03.2006
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[ Сохраненная копия ] Ссылки http://www.cosmos.ru/mirrors/stern/Education/wms2.html -- 10.9 Кб -- 24.03.2006
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17. http://xray.sai.msu.ru/~polar/xmgr/status.html
The Status popup displays useful information about the state of sets, regions, and graphs. ... When the number of sets is less than 30, this button is not needed, use the scroll bars to view the status of the sets that are not shown in the display. ... Operations in the Status popup are performed by clicking on the operation, then clicking on one or more set numbers shown in the display. ... Clicking on Copy followed by clicking on a set number in the scrolled window will select the set to copy from. ...
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Ссылки http://xray.sai.msu.ru/~polar/xmgr/status.html -- 7.4 Кб -- 25.08.1997
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18. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BA8C2FBEF-4FFC-4183-9A6C-63CB9B113011%7D
. This image taken by the instrument IMaX shows the granulation in the Sun's photosphere. In the bright regions, hot plasma wells to the surface; in the dark regions, the cooled plasma sinks down again. In between tiny, bright spots can be seen. The individual granules have a size of several thousand miles. The bright points measure approximately 60 miles (100 kilometers) in diameter. MPS
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Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BA8C2FBEF-4FFC-4183-9A6C-63CB9B113011%7D -- 3.6 Кб -- 10.04.2016
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- http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B3CD5629C-8916-4203-B970-CD073AE3494E%7D
- http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B16353E83-B0FD-4DF0-8A17-EEBCF7F4C3EC%7D
- http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BEB544FF2-8AF0-4A42-BD5A-D7462C82F0B4%7D
19. Wispi Design Notes
... 400mm f/2.8 Nikor lens: images the sky on the entrance slit. ... The optical system maintains image quality along the slit length so that each row of the image is a spectrum of that spatially selected region of the sky. 180mm f/2.8 Nikor lens: collimates the light from the slit. ... The auxiliary optical platform on WISPI now accomodates a short focal lens and a guiding/imaging video system that may use sub-pixel corrections to provide feedback to the tracking drive motors. ...
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Ссылки http://www.astro.louisville.edu/moore/wispi/wisp_const.html -- 8.6 Кб -- 10.05.2010
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20. Astro-2 and the UIT Experiment
... Ultraviolet photons have short wavelength and high energy and thus come from sources which have fairly high temperatures. ... Star formation regions in nearby galaxies . Star formation regions in our own galaxy . ... In addition, the background glow of the night sky is at a minimum level at around 2000 angstroms. ... It is hoped that these very diffuse galaxies can be more easily imaged at a wavelength where the noise from a background of finite brightness is at its minimum. ...
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Ссылки http://zebu.uoregon.edu/uit-ms.html -- 2.5 Кб -- 07.10.1996
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