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1. Parameters
... region (region-7.5) [xmmsas_20041122_1834-6.1.0] . Meta Index / Home Page This section documents the parameters recognized by this task (if any). Parameter . ... Reference event file used to define the coordinate system for the source and background regions. ... If operationstyle =`single', the task looks in this parameter for the row number of the source list ( after the list is filtered via expression ) for which to construct source and local-background event-extraction regions. srcidcol . ...
[ Сохраненная копия ]  Ссылки http://xmm.vilspa.esa.es/sas/6.1.0/doc/region/node11.html -- 16.9 Кб -- 22.11.2004
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2. Regions and Source Parameters
... This section will deal with obtaining photons within specified regions of an image. Available regions are: Annulus Box Circle Ellipse Field -- entire field Irregular region based on intensity of map... i.e. region defined by contour levels. ... The imcnts task in the xray-spatial package sums the source and background counts in specified regions, and subtracts one from the other properly normalized. ... imcnts* - Find counts in an extended region, after removing an embedded point source . ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/PROS/PUG/node89.html -- 5.8 Кб -- 01.10.2012
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3. SCL Sfit Commands
... commands . ... data_spectrum <name> : data in "spectrum" format . ... Repeat command to add additional mask regions. sigma is the s.d. to apply to the data within the region to be masked. ... Repeat command to add additiona continuum regions. ... cont_reg_clear : Clear current continuum regions . ... The observed spectrum is then multipled by this filter to obtain a new spectrum for use by SFIT. cont_sigma : Computes standard deviation of data in continuum regions and applies it to current data . ...
[ Сохраненная копия ]  Ссылки http://star.arm.ac.uk/~csj/software_store/guide/scl_sfit -- 14.0 Кб -- 03.12.2008
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4. 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. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/cats/doc/HII_Caswell.html -- 3.8 Кб -- 18.03.2015
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5. HDF-S Observing Strategy
Discussions about the observing strategy for the HDF-S focussed primarily on the questions: . What filters/gratings to use for each instrument ? What exposure time to use for each filter/grating ? ... Different areas of the Version 1 output image correspond to variable amounts of exposure time, due to the relatively large pointing shifts necessitated by the multi-instrument observing strategy. ... WFPC-2 Filters, exposure times and limiting AB magnitudes for Version 1 images . Filter . ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/ftp/science/hdfsouth/obs_strategy.html -- 10.0 Кб -- 24.05.2000
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6. ESO - A number of OmegaCAM filters show vignetting in their central regions.
... Data Reduction FAQ > A number of OmegaCAM filters show vignetting in their central regions. What are the causes for this and what are the dimensions of these features? ... Observing with ESO Telescopes . ... ESO-MIDAS . ... ESO Data . ... ESO HST Image Galleries . ... ESO Data Access Policy . ... ESO Science Newsletter . ... A number of OmegaCAM filters are not monolithic, but consist of four segments (each covering 8 detectors) that have a central cross-shaped support structure. ... Filter . ...
[ Сохраненная копия ]  Ссылки http://www.eso.org/sci/data-processing/faq/a-number-of-omegacam-filters-show-vignetting-in-their-central-regions-what-are-the-causes.html -- 23.4 Кб -- 10.04.2016
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7. Astro-2 and the UIT Experiment
... Note on Filters: . ... NGC 3351 is a mostly face-on late type spiral galaxy. It is marked by a bar like feature in its central regions and a strong inner ring of star formation. ... The galaxy was imaged through the A1,B1 and B5 filters over a total exposure time of 1936 seconds. ... The galaxy was imaged through the A1 filter for 450 seconds and the B1 filter for 1084 seconds. ... The galaxy was imaged through the A1 and V1 filters over a total exposure time of 1200 seconds. ...
[ Сохраненная копия ]  Ссылки http://zebu.uoregon.edu/uit-t3.html -- 4.9 Кб -- 07.10.1996
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8. Measurement of the dark halo shape in polar ring galaxies
... According to the most popular cosmological paradigm, the greater part of the galaxy mass is accumulated in the dark matter halo. ... The polar ring galaxies (PRGs) reveal external rings or disks of gas, dust and stars rotating in a plane roughly perpendicular to the disk of the central galaxy. ... The shape of the dark halo in the model was chosen so as to achieve the best fit to the observed rotation of both galaxies themselves and their polar rings. ... The SPRC-7 galaxy. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/Doc-en/SciNews/2014/DMhalo/ -- 8.9 Кб -- 10.04.2016
[ Сохраненная копия ]  Ссылки http://mavr.sao.ru/Doc-en/SciNews/2014/DMhalo/ -- 8.9 Кб -- 10.04.2016
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9. 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, . ...
[ Сохраненная копия ]  Ссылки http://www.adass.org/adass/proceedings/adass96/chans2.html -- 7.4 Кб -- 23.06.1998
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10. Fabry-Perot Interferometer: Gallery Old
... Here some data observed on the 6m telescope with IFP installed in the OLD focal reducer are presented. ... Mkn 3: velocity field . ... NGC 5252: [OIII] image . ... NGC 5252 was observed 23 Feb. 1998 in the [OIII]5007 emission line with CCD TK1024 as detector. ... We observed the ionized gas velocity fields of the spiral galaxies with two purpose. ... Restored velocity field of NGC 157 in the reference frame rotating with the pattern speed overlaid on the Ha image of the galaxy . ... NGC 4100 . ...
[ Сохраненная копия ]  Ссылки http://mavr.sao.ru/hq/lsfvo/devices/scorpio/galleries/gal_ifp.html -- 9.9 Кб -- 28.12.2007
[ Сохраненная копия ]  Ссылки http://www.sao.ru/hq/lsfvo/devices/scorpio/galleries/gal_ifp.html -- 9.9 Кб -- 11.09.2010
[ Сохраненная копия ]  Ссылки http://jet.sao.ru/hq/lsfvo/devices/scorpio/galleries/gal_ifp.html -- 9.9 Кб -- 02.10.2012
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11. LMC HII Region Luminosities versus Observed Ionizing Stars
... About ATNF overview . ... Australia Telescope Steering Committee . ... LMC H II Region Luminosities versus . Observed Ionizing Stars . ... These values are compared to the observed H II region luminosities, yielding an estimate for the mean fraction of H-ionizing photons that escape the local nebulae in this sample. We formally estimate that, overall, 0-51% of the ionizing radiation escapes the local H II regions and is available to ionize the warm, ionized medium in the LMC. ...
[ Сохраненная копия ]  Ссылки http://www.atnf.csiro.au/pasa/15_1/oey/paper/index.html -- 51.7 Кб -- 08.04.2016
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12. http://www.naic.edu/~astro/School/Talks/large_pdf/handson_ao2_2.pdf
... The Search of a pulsar Once the dedispersed time series is obtained, a Fourier transformation is performed. ... 2 Binary parameters The orbit of a pulsar , as well as any object, in a binary system is determined in its geometrical characteristics, space displacement and syncronised in time by the following parameters : Semimajor axis Eccentricity Longitude of periastron Binary period Time of ascending node a e PB T0 True spin period and observed spin period The ...
[ Текст ]  Ссылки http://www.naic.edu/~astro/School/Talks/large_pdf/handson_ao2_2.pdf -- 120.0 Кб -- 17.07.2005
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13. Solar wind and IMF [Oulu]
... The concept of continuous solar wind developed in 1950's. First, Biermann (1951, 1957) observed comet tails as they passed close to the Sun , and explained the observed tail deflection by a continuous flux of protons from the Sun. Then Parker (1959) showed that the solar corona must expand, and called the outward streaming coronal gas 'solar wind'. ... The expanding solar wind drags also the solar magnetic field outward, forming what is called the interplanetary magnetic field (IMF) . ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/magbase/REFMAN/SPPHTEXT/solarwind.html -- 10.3 Кб -- 21.12.2007
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14. Multipoint correlations of the solar wind parameters observed by several
The problem of solar wind data correlation for the observations onboard several spacecraft is very important for three points of view: . ... This problem is studied now in detail by systematic determination of ion flux and ion velocity data correlations by INTERBALL-1 (IKI group), WIND and IMP 8 (both - MIT group). ... Solar wind plasma correlation lengths from IMP 8, WIND and INTERBALL-1. ... Correlation of solar wind observations onboard several spacecraft: INTERBALL-1, IMP 8 and WIND data. ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/tail/results/vdp/correla.html -- 5.6 Кб -- 21.01.1997
[ Сохраненная копия ]  Ссылки http://www.cosmos.ru/tail/results/vdp/correla.html -- 5.6 Кб -- 21.01.1997
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15. Journal "Peremennye Zvezdy"
Peremennye Zvezdy ( Variable Stars ) 26 , No. ... Moscow 119992, Russia . ... 84/32, Moscow 117997, Russia . ... Our CCD observations compared to times of minima derived from the archival photographic plates and from the NSVS and ASAS-3 data clearly show that the orbital period of the system is variable. ... The phased light curve for the light elements . ... CCD, Moscow . ... and for the current linear light elements (in excellent agreement with the NSVS, ASAS, and our CCD observations): . ...
[ Сохраненная копия ]  Ссылки http://www.astronet.ru/db/varstars/msg/1217495 -- 18.2 Кб -- 09.11.2006
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16. Meade Series 4000 Photo-Visual Color Filters
... 11 Yellow-Green (78% transmission): Contrasts well with the red and blue characteristics of surface features on Jupiter and Saturn. ... 82A Light Blue (73% transmission): Useful on the Moon, Mars, Jupiter, and Saturn, this subtle pale blue filter enhances areas of low contrast while avoiding significant reduction of overall image brightness. ... Meade Series 4000 Photo-Visual Color Filters may be ordered individually or in the following sets: . ... Meade Series 4000 Broadband Nebular Filters . ...
[ Сохраненная копия ]  Ссылки http://www.meade.com/catalog/meade_4000/meade_series_4000_filters_02.htm -- 21.5 Кб -- 06.10.2007
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17. Parameters of the starburst
... We assume that an instantaneous starburst occured in the region of the Galactic center, with half of the stars (in number) being formed in binaries. The total mass of the stars formed during the starburst was taken to be , as indicated by the Tamblyn & Rieke (1993) analysis. ... In fact, the number of stars in IRS 16 estimated by Tamblyn & Rieke (1993) is uncertain within a factor of 2, but this is actually of no importance as long as we only use relative numbers of different X-ray source species. ...
[ Сохраненная копия ]  Ссылки http://xray.sai.msu.ru/~polar/html/publications/apj/node6.html -- 3.5 Кб -- 21.06.1996
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18. 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; . ...
[ Сохраненная копия ]  Ссылки http://www.asc.rssi.ru/submillimetron/mm/default.htm -- 10.5 Кб -- 05.04.1999
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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: . ...
[ Сохраненная копия ]  Ссылки http://www.mso.anu.edu.au/~mad/unified.html -- 6.8 Кб -- 09.04.2016
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20. Echelle for Beginners
Contact Russet McMillan (primary) or your Observing Specialists (secondary) for additional information. Contact Jack Dembicky for web page errors, corrections, ommisions, or additions. This page last updated: July 6, 2004 - JMD . This page last checked: September 14, 2003 - JMD . Configuring TUI to use the Echelle . Setting up the Echelle exposure parameters . Taking your Calibration lamps . ... Setting up multiple exposures . ... Stopping an exposure (discarding data) . ...
[ Сохраненная копия ]  Ссылки http://www.apo.nmsu.edu/35m_operations/35m_manual/Instruments/Echelle/Basics_HTML_Pages/Using_Echelle_with_TUI.html -- 4.5 Кб -- 27.10.2004
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