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http://www.naic.edu/~astro/frontiers/vlbi.pdf.
http://www.naic.edu/~astro/frontiers/vlbi.pdf.
1. Determining dust temperatures and masses in the Herschel era: The importance of
... The properties of the dust grains (e.g., temperature and mass) can be derived from fitting far-IR SEDs (т??100 ЮМm). Only with SPIRE on Herschel has it been possible to get high spatial resolution at 200 to 500 ЮМm that is beyond the peak (~160 ЮМm) of dust emission in most galaxies. Aims: We investigate the differences in the fitted dust temperatures and masses determined using only 200 ЮМm data is for deriving these dust properties. ...
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Ссылки http://www.stsci.edu/~kgordon/papers/2010A&A...518L..89G.html -- 5.4 Кб -- 21.01.2016
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2. On the problem of high spectral resolution observations of faint objects
... December 21, 1997 . ... Advantages are briefly discussed of gaining in spectral resolution, which is accompanied by losses in signal level, as compared with the attempts to improve the accuracy of measurement of line parameters by means of rising the S/N ratio alone with increasing the exposure time. To partially solve the problem of observations of faint objects at the BTA a new design echelle spectrometer is proposed. high resolution spectroscopy . ...
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Ссылки http://mavr.sao.ru/hq/ssl/PFES/pan2.html -- 4.1 Кб -- 02.10.2012
[ Сохраненная копия ] Ссылки http://www.sao.ru/hq/ssl/PFES/pan2.html -- 4.1 Кб -- 01.10.2012
[ Сохраненная копия ] Ссылки http://jet.sao.ru/hq/ssl/PFES/pan2.html -- 4.1 Кб -- 01.10.2012
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[ Сохраненная копия ] Ссылки http://www.sao.ru/hq/ssl/PFES/pan2.html -- 4.1 Кб -- 01.10.2012
[ Сохраненная копия ] Ссылки http://jet.sao.ru/hq/ssl/PFES/pan2.html -- 4.1 Кб -- 01.10.2012
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3. Two points (INTERBALL-1 and MAGION-4) observations of magnetopause motion
The close position of main satellite and subsatellite (distance between them about 1000 km) and using the similar sets of Faraday cups (VDP and VDP-S) with high resolution measurements (up to 16 Hz for the main satellite and up to 10 Hz for the subsatellite) allow us to determine the small-scale variations of the magnetopause shape and position and to estimate the velocity of the magnetopause motion. ... Two point observation of the magnetopause motion: the INTERBALL project. ...
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Ссылки http://www.iki.rssi.ru/tail/results/vdp/twopoint.html -- 4.2 Кб -- 03.01.1997
[ Сохраненная копия ] Ссылки http://www.cosmos.ru/tail/results/vdp/twopoint.html -- 4.2 Кб -- 03.01.1997
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[ Сохраненная копия ] Ссылки http://www.cosmos.ru/tail/results/vdp/twopoint.html -- 4.2 Кб -- 03.01.1997
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4. High time resolution bin-mode observations
Next: Pulsar bin-mode observations Up: ATCA Bin Mode Observations Previous: ATCA Correlator Bin Modes . Miriad 's atlod task has an option, options=hires which converts a RPFITS file observed in high time resolution bin-mode into an apparently normal dataset with fine time resolution. ... In high resolution time mode, the time difference between consecutive integrations might be smaller than this tolerance. ... Miriad manager . ...
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Ссылки http://www.atnf.csiro.au/computing/software/miriad/userguide/node220.html -- 3.9 Кб -- 10.04.2016
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5. Methods and instruments to measure/monitor major site properties
... The Science Operation Department is composed of Astronomers, Telescope Instruments Operators(TIOs) and Data Handling Administrators(DHAs). ... Astronomers have proposed several methods to quantitatively measure the amount of turbulence above the telescope, which the most common ones is Differential Image Motion Monitor (DIMM). In optical testing, the Hartmann test is the common method to test the quality of optical components. ... Hartmann mask consists of 48 lenses. ...
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Ссылки http://site2010.sai.msu.ru/section/2 -- 9.2 Кб -- 09.04.2016
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6. Solar System Studies at AO
... Click on an object in the solar system or choose from the list at left to learn more . The Arecibo Observatory planetary radar is the world's most powerful instrument for post-discovery characterization and orbital refinement of near-Earth objects. ... The Solar System Studies group is a department of the Arecibo Observatory, which is an NSF facility operated under cooperative agreement by SRI International, Universities Space Research Association (USRA), and la Universidad Metropolitana (UMET). ...
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Ссылки http://www.naic.edu/~pradar/ -- 13.5 Кб -- 09.04.2016
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7. Description of the RadioAstron project, english version
Orbit . ... The orbit of the RadioAstron provides four types of study: . rough images of radio sources with ultra-high angular resolution, using all baselines up to the radius of the apogee, that is much larger than Earth diameter; . ... high quality imaging of radio sources, with moderate resolution, by observing either with small projected base lines Earth-spacecraft, i.e. close to the orbital plane, or near the perigee. ... high accuracy orbit determination. ... Space Radio Telescope . ...
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Ссылки http://www.asc.rssi.ru/RadioAstron/description/orbit_eng.htm -- 7.3 Кб -- 10.05.2008
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8. Object Detection Using Multi-Resolution Analysis
... Next: Unsupervised Catalog Classification Up: Object Detection and Previous: Classification of Objects . ... Multi-resolution allows for image analysis in terms of different scales. ... This approach is used for the detection (and subsequent analysis) of globular cluster systems around elliptical galaxies, and for image characterization and object trawling in large image databases. ... The applicability of this approach to object detection in large image collections has been investigated. ...
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Ссылки http://www.adass.org/adass/proceedings/adass94/murtaghf2.html -- 11.9 Кб -- 03.11.2000
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9. Solar system sector, archive 2011
... 2011: . A comparison of radiation in the corona above the spot in the radio and X-ray ranges . In the observations of the 04.01.2011 solar eclipse at the RT-32 (the observatories Svetloe and Zelenchukskaya) and RATAN-600 radio telescopes the limiting angular resolution (1 arc second) in the eclipse observations in the microwave frequency range was reached for the first time, determined by the diffraction on the lunar limb. ... Archive . ...
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Ссылки http://www.sao.ru/Doc-en/Science/results/ar_solar/res2011.html -- 5.6 Кб -- 10.04.2016
[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/Science/results/ar_solar/res2011.html -- 5.6 Кб -- 10.04.2016
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[ Сохраненная копия ] Ссылки http://mavr.sao.ru/Doc-en/Science/results/ar_solar/res2011.html -- 5.6 Кб -- 10.04.2016
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10. ESO - 8th VLTI Summer School: High angular resolution in astrophysics: optical
... Science Publications > Science Announcements > 8th VLTI Summer School: High angular resolution in astrophysics: optical interferometry from theory to observations . ... Observing with ESO Telescopes . ... ESO-MIDAS . ... ESO Data . ... ESO HST Image Galleries . ... ESO Data Access Policy . ... ESO Science Newsletter . ... Optical/infrared long-baseline interferometry has reached a new stage with the advent of multi-telescope arrays accessible to a broad community of astronomers, most notably VLTI . ...
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Ссылки http://www.eso.org/sci/publications/announcements/sciann15050.html -- 23.9 Кб -- 10.04.2016
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11. High Resolution Observations of Hot Molecular Cores
. La pagina utilizza i frame, ma il browser in uso non li supporta.
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Ссылки http://www.arcetri.astro.it/~lt/projects/pres_arch/sminiato_jun01/sminiato.htm -- 3.5 Кб -- 11.09.2007
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12. http://www.mrao.cam.ac.uk/projects/skads/lofar/talks/magnetic.pdf
Magnetic Fields around Radio Galaxies Robert Laing (ESO) Laing et al. ... 2008) Negligible depolarization and 2 rotation Almost all Faraday effects must be due to foreground material How to fit depolarization caused by foreground Faraday rotation Complex polarization Rotation measure Integrate over a beam Observed RM for 0 2 rotation and depolarization Faraday rotation and depolarization 5.5 arcsec FWHM Faraday effects at high resolution FWHM = 1.5 ...
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Ссылки http://www.mrao.cam.ac.uk/projects/skads/lofar/talks/magnetic.pdf -- 810.2 Кб -- 07.04.2009
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13. East Siberian Center for the Earth's Ionosphere Research. Specific character
... In spite of the good potential possibilities, some of the station "Dnepr" design characteristics did not allow us to apply the usual special IS radar measurement methods. ... Thus for IS signal measurements at the "Dnepr" station, we have developed special methods for recording and processing IS signals in order to determine plasma ionospheric parameters. ... Equations (4-5) from the basis for data post processing to obtain ionosphere parameters. ...
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Ссылки http://rp.iszf.irk.ru/esceir/isr/specificen.htm -- 9.2 Кб -- 04.06.2001
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14. Armagh Observatory
... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... This is the first in a series of papers in which we describe and report the analysis of a large survey of Herbig Ae/Be stars in circular spectropolarimetry. Using the ESPaDOnS and Narval high-resolution spectropolarimeters at the Canada-France-Hawaii and Bernard Lyot Telescopes, respectively, we have acquired 132 circularly-polarised spectra of 70 Herbig Ae/Be stars and Herbig candidates. ...
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Ссылки http://star.arm.ac.uk/highlights/2012/623.html -- 6.6 Кб -- 19.11.2012
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15. http://www.wdcb.ru/stp/data/solar.act/sunspot/sunspot.txt
RELATIVE SUNSPOT NUMBERS Description of Data from SGD Explanation of Data Reports: Relative Sunspot Numbers -- The relative sunspot number is an index of the activity of the entire visible disk of the Sun. ... The provisional daily Zurich relative sunspot numbers, Rz, were based upon observations made at Zurich and its two branch stations in Arosa and Locarno and communicated by M. Waldmeier of the Swiss Federal Observatory. ... This indicates the uncertainty above and below the predicted number. ...
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Ссылки http://www.wdcb.ru/stp/data/solar.act/sunspot/sunspot.txt -- 5.2 Кб -- 18.01.2010
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16. HEAD 2010: Chandra's Ultimate Angular Resolution
... We compare ray-traces of the HRMA response to "on-axis" observations of AR Lac and Capella as they move through their dither patterns to images produced from filtered event lists to characterize the effective intrinsic PSF of the HRC-I. A two-dimensional Gaussian, which is often used to represent the detector response, is NOT a good representation of the intrinsic PSF of the HRC-I; the actual PSF has a sharper peak and additional structure. ... Last modified: Tue May 18 14:35:55 EDT 2010 . ...
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Ссылки http://hea-www.harvard.edu/~juda/memos/HEAD2010/HEAD2010_poster.html -- 14.7 Кб -- 02.10.2012
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17. DIGITAL WDC EXCHANGE FORMAT FOR OBSERVATORY 1.0 MINUTE VALUES
DIGITAL WDC EXCHANGE FORMAT . FOR OBSERVATORY 1.0 MINUTE VALUES 1. ... DATA-1 .. DATA-60 are 1-minute values of the given element for that hour. ... Typically, digital 1-minute values received by WDCs from organizations operating automatic magnetic observatory instruments are averages of more frequendy sampled values, e.g. 10-second point samples. ... If the method used to obtain 1-minute average values is important to a user, the WDC will assist in determining the exact procedure applied. ...
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Ссылки http://www.iki.rssi.ru/magbase/HTML/WDCFORM.HTM -- 6.6 Кб -- 03.07.2001
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18. Optical systems and devices
To main of Laboratory . The research work and design of optical and optical-electronic devices are carries out by laboratory staff: . ... Lens: . ... In the layout 1 prism systems perform functions of dispersive element, corrector of aberrations, optical reducer. ... Spectral range 200 - 400 nm; . ... Back Forward . ... The main corrector's function are compensation of field aberrations of the main spherical mirror of a telescope (diameter of 600 mm, f'=1200 mm) and increase aperture ratio. ...
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Ссылки http://www.mao.kiev.ua/lao/optical_systems_eng.html -- 19.6 Кб -- 12.01.2010
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19. http://www.gao.spb.ru/english/publ-s/viii-rfs/p011.pdf
The Sun 11 Solar radio bursts study with high spatial and temporal resolution V.A. Alexeev, A.F. Dementyev, B.N. Lipatov, V.F. Melnikov, M.B. Nechaeva, S.D. Snegirev, Yu.V. Tikhomirov Radiophysical Research Institute NIRFI, Nizhny-Novgorod, Russia Theoretical and experimental researches of the energy release fragmentation in solar ares need observations with high spatial 0.01 1 arcsec and temporal 1 ms resolution. ... Several VLBI stations all over the Russia were supplied by this set of equipment. ...
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Ссылки http://www.gao.spb.ru/english/publ-s/viii-rfs/p011.pdf -- 65.3 Кб -- 21.05.2007
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20. http://xmm.vilspa.esa.es/external/xmm_sw_cal/icwg/presentations/Integral_walter.pdf
... Instrument tuning )! ... Specific calibrations have been performed recently Standardized high energy Crab spectrum would be very useful JEM-X calibration JEM-X is affected by some instabilities which affect software and calibrations: microstrip erosion ( decreased HV and S/N) microstrip ions diffuse into glass plate ( HV adjustments) gain variation ( electronic efficiency to be determined on short time scales) memory effect on microstrips transient hot spots Observations are ...
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Ссылки http://xmm.vilspa.esa.es/external/xmm_sw_cal/icwg/presentations/Integral_walter.pdf -- 1916.7 Кб -- 14.06.2006
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