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1. Brightness Units
Next: Tsys scaling Up: Calibration Previous: Calibration . RPFITS files to not contain any information as to whether the telescope calibration was in units of Kelvin or Janskys. On reading the data a default value is set depending on the telescope and frequency of observation. ... ASAP> scans = scantable(('2004-11-23_1841-P484.rpf', unit='Jy') # Or in two steps ASAP> scans = scantable(('2004-11-23_1841-P484.rpf') ASAP> scans.set_fluxunit('Jy) . ...
[ Сохраненная копия ]  Ссылки http://www.atnf.csiro.au/computing/software/asap/cookbook/node40.html -- 3.3 Кб -- 05.02.2013
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2. Champlane Observation: Magellan/IMACS June 6-9, 2005
IMACS MASKS FOR CHAMPLANE RUN JUNE 6-9 2005 updated (17/05/05) zip file containing 16 masks (.SMF format) replacement masks (20/05/05) zip file containing 4 masks (.SMF format) . 17, exposure time 4x30 min bright = mag Field centers taken from .SMF files: field ra(J2000) dec(J2000) POS FLIP N GC Mosaic fields covered Observed? ... Here is an observing elevation chart for this run on June 7 2005. postscript . ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/ChaMPlane/pool/IMACS05_june/ -- 11.8 Кб -- 02.10.2012
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3. If I need to observe a field containing bright stars, do I risk damage to the
... If I need to observe a field containing bright stars, do I risk damage to the NICMOS detector by saturating it? ... NICMOS . ... Detectors . ... Observing Strategies . ... A.: The NICMOS Instrument Science Reports Number 24 and Number 23 present results of the analysis of persistence from On-Orbit data and Thermal Vacuum data. ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/hst/nicmos/faqs/brightobj.faq -- 17.6 Кб -- 10.04.2016
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4. Detailed description.
... Meta Index / Home Page / Description . ... This can be set by the user via the parameter device . The default value of device is /XS (Xserver), but alternative outputs (depending on what drivers have been installed with PGPLOT) can be used, for example /XW for x-windows, /GIF, /JPEG, /PS for Postscript, and /CPS for Colour Postscript. ... Either a colour-coded image or a contour map image can be produced, depending on the value of imagestyle . ... Note that 0 is not a valid colour map index. ...
[ Сохраненная копия ]  Ссылки http://xmm.vilspa.esa.es/sas/7.0.0/doc/implot/node5.html -- 9.1 Кб -- 28.06.2006
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5. Low Surface Brightness Galaxy Gallery
In this gallery are many images of Low Surface Brightness Galaxies which have recently been discovered and analyzed. ... The central surface brightness of this galaxy is 24.28 . Malin 2 This galaxy is another huge disk galaxy with a scale length of 15 kpc and a redshift of 15000 km/a. The high surface brightness knot in one of its spiral arms actually has the same color, luminosity and H-alpha equivalent width as the entire Large Magellanic Cloud . ... Truly it is a Low Surface Brightness Galaxy. ...
[ Сохраненная копия ]  Ссылки http://zebu.uoregon.edu/sb2.html -- 4.8 Кб -- 26.05.2000
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6. A 20 cm VLA survey of Abell clusters of galaxies
... We have made observations of the Perseus cluster with the Westerbork Telescope at 610 MHz. ... Several newly detected sources are identified with cluster galaxies. ... No evidence is found for the existence of the previously reported ~ 65'x25' cluster halo, 3C 84B. Key words: radio galaxies - clusters - tailed radio sources buoyancy The Perseus Cluster of galaxies is one of the most fascinating systems accessible to extragalactic astronomers. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/cats/doc/CL_WSRT.html -- 7.9 Кб -- 18.03.2015
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7. http://www.naic.edu/vscience/schedule/tpfiles/HaynestagA1904tp.pdf
... A1904 Date Received: 2004-Jan-27 09:55:22 Technical Page Proposal Type: General Category: Sub-Category: Observation Category: Total Time Requested: Prop osal Title: ABSTRACT: Regular Astronomy Spectroscopy Extragalactic 40 Hours HI Observations of Dwarf Galaxy Candidates in the Leo I Group Region The Leo I group is a nearby density enhancement characterized by a low velo city disp ersion but containing a lo cal density enhancement that supp orts the presence of bright E/SO galaxies. ...
[ Текст ]  Ссылки http://www.naic.edu/vscience/schedule/tpfiles/HaynestagA1904tp.pdf -- 40.6 Кб -- 17.01.2005
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8. ОТЧЕТ
... Radio astronomical tests of the engineering model of the space radio telescope (SRT) were completed in Pushchino - see Results . ... Monitoring of the development of the upgrade on-board 1.35-cm receiver (R-SRT-1.35 cm): . ... EM Engineering Model . ... OHCFS-SRT Space Radio Telescope On-board Heterodyne and Clock Frequency Synthesizer set . OHFS-SRT Space Radio Telescope On-board Hydrogen Frequency Standard . ORFS-SRT Space Radio Telescope On-board Rubidium Frequency Standard . ...
[ Сохраненная копия ]  Ссылки http://www.asc.rssi.ru/RadioAstron/archives/2004/month_notic/dec_mar.html -- 23.7 Кб -- 03.11.2011
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9. CHIANTI atomic database
The CHIANTI database consists of 4 primary ASCII files for each ion in the database. contains the energy levels in cm^(-1) It includes both experimental data and theoretical values of the levels energies. ... 1997, ADNDT, 67, 225 %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % K.P.Dere and E.Landi 2000 . ... 1997, ADNDT, 67, 225 %produced as part of the Arcetri/Cambridge/NRL 'CHIANTI' atomic data base collaboration % % K.P. Dere - 1999 . ...
[ Сохраненная копия ]  Ссылки http://www.arcetri.astro.it/science/chianti/chianti_5.1/database/fe/fe_25d.html -- 5.3 Кб -- 15.09.2005
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10. 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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11. http://selena.sai.msu.ru/Shev/Publications/ms38/ms083.pdf
Microsymposium 38, MS083, 2003 (A4 format) MERCURY: LOCAL VARIATIONS OF THE PHOTOMETRIC RELIEF. ... Because of trajectory and pointing angle constraints the planet could be observed from Mariner 10 only over a small range of phase angles between about 75o and 110o. Therefore the photometric investigations are restricted to measuring the distribution of brightness on the Mercurian disk. ... Raw versions of real-time processing pictures FDS 0000984 and FDS 0000986 were used (images 196 and 202). ...
[ Текст ]  Ссылки http://selena.sai.msu.ru/Shev/Publications/ms38/ms083.pdf -- 346.6 Кб -- 06.10.2008
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12. XWare > APOD
... A Halo Around the Moon . ... Cameras around the globe pointed skyward this week to capture the spectacular conjunction of a crescent Moon and bright planets Venus and Jupiter. ... On December 1, bright planets Venus and Jupiter gathered near the young crescent Moon, an inspiring celestial scene in early evening skies around the world. ... Visible the world over was an unusual superposition of our Moon and the planets Venus and Jupiter. ... Astronaut.. Massive Stars Resolved in the Carina Nebula . ...
[ Сохраненная копия ]  Ссылки http://www.astronet.ru/db/xware/apod.html?page=82&d=2011-02 -- 14.8 Кб -- 12.04.2016
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13. See Spike Run... Run, Spike, Run
... It provides long range planning information to the scheduling team; it provides bright object, timing, and orientation information to the observation planning team; and it provides graphical description of the observations and their constraints. ... The GUI graphically displays the constraints that are computed by Spike and stored in the description files and in the database. ... BOAS processes all bright objects that have entered the database since the last time BOAS was run. ...
[ Сохраненная копия ]  Ссылки http://www.adass.org/adass/proceedings/adass00/P2-20/ -- 9.5 Кб -- 29.05.2001
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14. http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B5B3578D8-43E5-40C6-82F6-ECE47AD1A8E5%7D
According to observations by NASA's Chandra X-ray Observatory and ground-based optical telescopes, the supernova SN 2006gy is the brightest and most energetic stellar explosion ever recorded and may be a long-sought new type of explosion. The bottom left panel is an infrared image, using adaptive optics at the Lick Observatory, of NGC 1260, the galaxy containing SN 2006gy. ... X ray: NASA/CXC/UC Berkeley/N.Smith et al.; Infrared: Lick/UC Berkeley/J.Bloom & C.Hansen ...
[ Сохраненная копия ]  Ссылки http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B5B3578D8-43E5-40C6-82F6-ECE47AD1A8E5%7D -- 4.4 Кб -- 10.04.2016
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15. You Can Make Stellar Images Brighter - an Astronomy Net Article
You Can Make Stellar Images Brighter . Articles | ... A few months ago I wrote an article titled "You Can’t Make Them Brighter". So why am I now writing that you can make them brighter. ... The image of a focused star is actually a small disk called the Airy disk, named after the 19 th century scientist Sir George Airy. ... For a given aperture, a smaller Airy disk means that the light is focused to a smaller disk and is therefore brighter. ... www.astronomy.net . About Astronomy Net | ...
[ Сохраненная копия ]  Ссылки http://www.astronomy.net/articles/30/ -- 17.5 Кб -- 09.04.2016
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16. Keywords_133
Physical and dynamical parameters of particles in outbursting Comet 17 P/Holmes . ... The time depending offset between the center of brightness and center of mass of the comet nucleus has been determined on the ground of positional observations of the comet. ... The motion of these particles allowed subsequent offset between the center of brightness and center of mass of the comet nucleus to be obtained from positional observations. ... comet, dynamical model, outburst, brightness. ...
[ Сохраненная копия ]  Ссылки http://www.ipa.nw.ru/PAGE/EDITION/transaction/transaction_ann26/133.htm -- 3.8 Кб -- 10.04.2016
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17. ASP: Star Science in the Autumn Sky
Once students get the hang of it, they can find and measure the brightness of Delta Cephei in a few minutes. ... of Delta Cephei . ... Oct. ... The following table lists the measurements of Delta Cephei made by one amateur astronomer in autumn 1990. ... 4.0 . ... This activity is a simplified version of one that appeared in Hands-On Astrophysics, a series of activities prepared by the American Association of Variable Star Observers with support from the National Science Foundation. << previous page | ...
[ Сохраненная копия ]  Ссылки http://www.astrosociety.org/edu/publications/tnl/32/starscience4.html -- 18.8 Кб -- 02.10.2012
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19. Meteor showers at Mars
Meteors are more than just pretty lights in the sky. Since the majority of meteor-producing meteoroids originate from comets, they contain invaluable information about these objects not otherwise obtainable. ... One such possibility is the planet Mars. ... Taking into account the slower average speed of incoming material at the heliocentric distance of Mars from the Sun, a meteoroid of the same mass entering the martian atmosphere at 30km/sec would produce a meteor +0.5 mag fainter than at Earth. ...
[ Сохраненная копия ]  Ссылки http://star.arm.ac.uk/~aac/meteors_on_mars.html -- 5.5 Кб -- 08.01.2013
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20. Emma Kirby - Science
... Science . ... The Local Sphere of Influence (LSI) survey is a deep near-IR (H-band) survey of galaxies residing in the Local Sphere of Influence ( D < 10 Mpc). The images with a typical surface brightness limit 4 mag fainter than 2MASS (24.5 mag arcsec -2 < SB lim < 26 mag arcsec -2 ) have been obtained with IRIS2 on the 3.9~m Anglo-Australian Telescope. 11 of the observations have resulted in non-dections or the images were saturated by foreground stars. ... Copyright 2007 Emma Kirby. ...
[ Сохраненная копия ]  Ссылки http://www.mso.anu.edu.au/~emma/science/science.html -- 5.9 Кб -- 01.10.2012
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