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1. Optical spectroscopy
... The MMT optical spectra of SBS 0335-052W were obtained on 1996 January 19 with the Red Channel of the MMT Spectrograph. ... The linear scale is 1 = 263 pc at the distance to SBS 0335-052W of 54.1 Mpc. ... In Table 1, the observed line intensities and intensities corrected for interstellar extinction for SBS 0335-052W are shown along with extinction coefficient C (H ), observed flux of the H emission line, the equivalent width EW (H ) and equivalent width of absorption Balmer hydrogen lines EW (abs)....
[ Сохраненная копия ]  Ссылки http://www.sao.ru/precise/Laboratory/Publications/1999/0335W_mmt/0335w6/node3.html -- 12.6 Кб -- 24.11.1998
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2. SCORPIO-2 project: filters
... Parameters . Filters . ... Direct images . ... The SCORPIO-2 project: . Spectral Camera with Optical Reducer for Photometric and Interferometric Observations - 2 . The broad-band glass filters made in SAO RAS are used for the observation in the Johnson-Cousins (UBVRI) photometric system in the direct images mode. The glass filters transmission curves are shown by solid line. ... The filters transmission curves of the `comets' filters measured with the SCORPIO-2 in the F/4 beam. ...
[ Сохраненная копия ]  Ссылки http://mavr.sao.ru/hq/lsfvo/devices/scorpio-2/filters_eng.html -- 11.5 Кб -- 10.04.2016
[ Сохраненная копия ]  Ссылки http://www.sao.ru/hq/lsfvo/devices/scorpio-2/filters_eng.html -- 11.5 Кб -- 10.04.2016
[ Сохраненная копия ]  Ссылки http://jet.sao.ru/hq/lsfvo/devices/scorpio-2/filters_eng.html -- 11.5 Кб -- 10.04.2016
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3. Meade Series 4000 Broadband Nebular Filters
... Meade Series 4000 Nebular Filters incorporate the very latest in interference coatings technology. ... Technical Basis of the Meade Broadband Nebular Filter: As shown in the transmission graph below, the Meade Broadband Nebular Filter strongly rejects the light of sodium- and mercury-vapor lights as well as natural airglow and auroral emissions. ... Meade Series 4000 Narrowband Nebular Filters . ... Meade Series 4000 Oxygen-III Nebular Filters . ... Meade Series 4000 Photo-Visual Color Filters . ...
[ Сохраненная копия ]  Ссылки http://www.meade.com/catalog/meade_4000/meade_series_4000_nebular_filters.htm -- 29.2 Кб -- 06.10.2007
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4. A computer controlled low light photometer for nightglow observations
A computer controlled low light photometer for nightglow observations. Hardware units of portable photometer for low light measurements, especially night glow emission is described. ... Interface card contain three channels of 24 bit counter, 4 channels of 12 bit ADC and the buffer bus for the controlled motors of the altazimuthal fork mounting and filters wheel, the position encoders. ... Where N( ) is output signal photometer generated input light flux F( l ) . ... PMT # . 599 . ...
[ Сохраненная копия ]  Ссылки http://space.univ.kiev.ua/~lapchuk/Photometer.htm -- 15.9 Кб -- 21.02.2000
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5. Observing capabilities
... NICS will be the only infrared instrument for the first light of the TNG; as a consequence, we decided to incorporate a sufficient degree of operation flexibility by providing the instrument with six different observing modes, three aimed at imaging and three at spectroscopy: . ... It will be possible to use the narrow band filters as order sorters; this will allow to perform high resolution long-slit spectroscopy in the wavelength ranges covered by the available narrow band filters. ...
[ Сохраненная копия ]  Ссылки http://www.arcetri.astro.it/irlab/instr/nics/generale/osserv.html -- 6.1 Кб -- 28.07.2005
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6. APO - narrow band filters
. ( < 10nm) . NAME CENTER(nm) FWHM(nm) TMAX(%) DIMENSIONS(mm) TRACES DATA . H-alpha 655.2 9.09 67.56 50x50x5 (1) (2) trace data . Hodge on/off H-alpha . (Not on-site at APO, but can be obtained on loan--contact Paul Hodge at UWash, hodge/astro.washington.edu) . UW-WSU Nebular Emission-Line Filters . (Not on-site at APO, but can be obtained on loan--contact Jeff Morgan at UWash, morgan/astro.washington.edu) . York narrow-band interference filter set . What to do with the trace data. APO Filters Homepage
[ Сохраненная копия ]  Ссылки http://www.apo.nmsu.edu/Instruments/filters/narrow.html -- 3.5 Кб -- 12.06.2008
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7. http://www.atnf.csiro.au/pasa/15_1/dennison/paper.pdf
... 1998, 15, 147­8 . An Imaging Survey of Northern Galactic H Emission with Arcminute Resolution Brian Dennison, John H. Simonetti and Gregory A. Topasna Martin Observatory, Institute for Particle Physics and Astrophysics, Physics Department, Virginia Tech, Blacksburg, VA 24061, USA dennison@astro.phys.vt.edu; jhs@vt.edu; topasna@astro.phys.vt.edu Abstract: We present preliminary results from a high-resolution, high-sensitivity imaging survey of the northern galactic H emission. ...
[ Текст ]  Ссылки http://www.atnf.csiro.au/pasa/15_1/dennison/paper.pdf -- 73.8 Кб -- 14.05.1998
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8. RCJ0311+0507
... A radio galaxy is a galaxy that emits an unusually big amount of energy at radio wavelengths. ... Inside of each galaxy with an active nucleus (radio galaxies are among them) there must be a system of a "central machine" responsible for the colossal amount of the emitted energy from radio to gamma ranges. ... Sometimes a radio source in an active galaxy may flare again if the needed conditions appear (a new portion of matter would fall into the furnace of the "central machine"). ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/Doc-en/SciNews/RC0311/ -- 7.8 Кб -- 01.10.2012
[ Сохраненная копия ]  Ссылки http://mavr.sao.ru/Doc-en/SciNews/RC0311/ -- 7.8 Кб -- 02.10.2012
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9. A New Entropy Measure Based on Multiple Resolution and Noise Modeling
... Previous: Background Fluctuation Analysis from the Multiscale Entropy . ... A new measure of information is defined which is based on noise modeling and incorporates resolution scale. Properties of this measure are discussed. ... Additionally it allows for image noise modeling, and subsequent noise removal. ... Hence information- and entropy-based processing technologies will be necessary for the effective design and implementation of large, future generation, image databases. ...
[ Сохраненная копия ]  Ссылки http://www.adass.org/adass/proceedings/adass98/murtaghfd/ -- 17.8 Кб -- 16.07.1999
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10. 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. ...
[ Сохраненная копия ]  Ссылки http://www.mao.kiev.ua/lao/optical_systems_eng.html -- 19.6 Кб -- 12.01.2010
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11. The AO Optical Laboratories National Astronomy and Ionosphere Center (Arecibo
NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Astronomy . ... Visitor Center . ... Optical . Lidar . At Arecibo we have a variety of optical instruments that we use to study terrestrial airglow emissions. ... This equipment is located in our Optical Laboratory, which is on site about 1000 feet from the center of the incoherent scatter radar. ... The various observational modes that are available are described in supplementary documentation for the Arecibo Observatory Optical Laboratories. ...
[ Сохраненная копия ]  Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=173:atmos-optical&catid=109&Itemid=476 -- 22.0 Кб -- 13.04.2016
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12. RTT150 Technical Description
RTT150 . Russian-Turkish 1.5-m Telescope . ... Until 2002 observations were mostly performed with ST-8E CCD in the 1:7.7 Cassegrain focus. ... In April, 2003 telescope was equipped with a larger-size CCD Andor DW436 . ... 2048 x 2048 pixels, . ... Since summer of 2002 the main focal detector of the RTT150 telescope was AP47p CCD in 1:7.7 Cassegrain focus. ... During September 3-13, 2002 works on installation of new autoguiding system ( photo 1 ) were carried out on RTT150 telescope. ...
[ Сохраненная копия ]  Ссылки http://hea.iki.rssi.ru/AZT22/ENG/focal.htm -- 11.4 Кб -- 18.02.2004
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13. Quantum Efficiency Correction (a.k.a. `flat-fielding')
Next: Filtering ROSAT HRI data Up: ROSAT HRI Recipes Previous: Correlating Spectral Data with . Although the spatial variation of the quantum efficiency across the HRI is nominally within 10% for most of the detector, occasionally it may be desirable to flat-field a map with preflight calibration measurements. ... Store the new gain map image using ``blink" in SaoImage. ... The quantum efficiency correction (QEC) is the inverse of the intensity determined from the QE map at the source position. ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/PROS/PUG/node207.html -- 7.9 Кб -- 01.10.2012
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14. http://www.astro.louisville.edu/shared_skies/archive/select/messier/m110/20121121/log.txt
m31 _B_00098_df.fits TARGET = ' M31 ' / target EXPTIME = 100 . / exposure time (seconds) FILTER = ' (2) B (375-490)' / filter DATE-OBS = ' 2012-11-22T00 :40:42.618' / date of observation (UT) m31 _B_00099_df.fits TARGET = ' M31 ' / target EXPTIME = 100 . / exposure time (seconds) FILTER = ' (2) B (375-490)' / filter DATE-OBS = ' ...
[ Сохраненная копия ]  Ссылки http://www.astro.louisville.edu/shared_skies/archive/select/messier/m110/20121121/log.txt -- 3.8 Кб -- 24.11.2012
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15. http://www.mrao.cam.ac.uk/~bn204/mk2/publications/2003/nam2003-aod2003-poster.pdf
Sub-Arcsecond Resolution Mid-IR Imaging of The Starburst NGC 520 ґ Bojan Nikolic, Paul Alexander, Garret Cotter, Malcolm Longair AP Group, Cavendish Laboratory, Cambridge, U.K. Marcel Clemens Universita degli Studi di Padova, Italy [3], which is N0 = 2.6 в 1053 s-1, by revising their K-band extinction estimate to AK = 3. Using IRAS data, and the Radio-FIR correlation, we estimate the total energy release in the nuclear starburst in NGC 520 to be 6.7 в 1010L . ... Michelle observations of NGC 520. ...
[ Текст ]  Ссылки http://www.mrao.cam.ac.uk/~bn204/mk2/publications/2003/nam2003-aod2003-poster.pdf -- 1338.9 Кб -- 25.11.2009
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16. http://vo.astronet.ru/~karpov/pdf/2015_Malaga_mmt_meteors.pdf
To appear in "Fourth Workshop on Robotic Autonomous Observatories (2015)"RevMexAA(SC) METEOR OBSERVATIONS WITH MINI-MEGATORTORA WIDE-FIELD MONITORING SYSTEM S. Karpov, 1, 3 N. Orekhova2 G. Beskin, 1, 3 A. Biryukov3,4 S. Bondar,2 E. Ivanov,2 E. Katkova,2 A. Perkov, and V. Sasyuk3 RESUMEN 2 Favor de prop orcionar un resumen en espanol. ... The faintest detected meteors has the peak brightness about 10 mag, while the ma jority - from 4 to 8 mag. ... 2010; Karpov et al. 2013; Beskin et al. ...
[ Текст ]  Ссылки http://vo.astronet.ru/~karpov/pdf/2015_Malaga_mmt_meteors.pdf -- 115.6 Кб -- 15.12.2015
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17. ASTROMETRIA
... BOM2 and the basic block of solar limbograph including pointing and control systems ? ... Fine tracking platform (FTP) for Sun tracking by the sight axis of the limbograph; . ... Tracking system frequency ? ... Controller of the control system and solar fine tracking of the sight axis of the limbograph; . ... The basic relative construction of the elements and instrumental blocks of the "Astrometria" space experiment is shown on the block diagram of units within the complex of SL-200 solar...
[ Сохраненная копия ]  Ссылки http://www.gao.spb.ru/english/astrometr/1_eng.html -- 10.2 Кб -- 26.12.2009
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18. ASP: Eclipse Watching: Making a Solar Filter
adapted from Observe: Eclipses, published in 1979 by the Astronomical League and "Safe Solar Filters," by B. Ralph Chou, Sky and Telescope, August 1981) . ... Tape TWO pieces of film together into a sandwich, and tape this over the opening in the cardboard. ... The cardboard frame will act as a shade from the bright Sun, while you safely observe through the film sandwich. ... Undeveloped film is not safe. ... tape . ... At the end of one of the tubes, tape the aluminum foil, and make a tiny pinhole. ...
[ Сохраненная копия ]  Ссылки http://www.astrosociety.org/edu/publications/tnl/41/filter.html -- 10.0 Кб -- 02.10.2012
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19. GRB observations
... Observations have received at the telescope AT-64 of the Crimean Astrophysical Observatory . GRB . ... RA(2000): 11h 45m 10.54s . DEC(2000): 17o 24' 34.44" . ... Filter: none . ... Date, time (UT) . Exposure . ... 2000.07.29 18:21:52 . 30 sec . ... RA(2000): 19h 58m 19.61s . DEC(2000): 23o 32' 35.15" . ... 120 sec . ... DEC(2000): 6o 20' 47.07" . ... 240 sec . ... DEC(2000): 51o 46' 34.93" . ... DEC(2000): -13o 04' 30" . ... DEC(2000): +55o 18' 25.0" . ... 2000-11-09T16:03:19 . ...
[ Сохраненная копия ]  Ссылки http://www.iki.rssi.ru/grb/CrAO/GRB/GRB.htm -- 14.2 Кб -- 21.11.2000
[ Сохраненная копия ]  Ссылки http://www.cosmos.ru/grb/CrAO/GRB/GRB.htm -- 14.2 Кб -- 21.11.2000
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20. Feature enhancement: filtering and denoising
Next: Feature enhancement: normalizing Up: No Title Previous: Feature enhancement: pulsing . The inverse transform is at the core of the best known applications of wavelets: data compaction and numerics. ... Two applications fall within our scope: filtering and denoising. Filtering consists of using only a portion of the wavelet map in the inverse transform process, masking out certain durations. ... Figure 23: Filtered reconstruction of the intermittent signal. ...
[ Сохраненная копия ]  Ссылки http://crydee.sai.msu.ru/~vab/Wavelet.rsc/Tutor.dir/node19.html -- 3.8 Кб -- 12.04.1998
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