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http://www.atnf.csiro.au/ATNF-DailyImage/archive/2015/24-Sep-2015.html.
http://www.atnf.csiro.au/ATNF-DailyImage/archive/2015/24-Sep-2015.html.
1. Gaps in the Cloud Cover? Comparing Extinction Measures in Spiral Disks
Dust in galaxies can be mapped either by the FIR/submillimeter emission, the optical or infrared reddening of starlight, or the extinction of a known background source. ... We find that distant galaxies are predominantly in low-extinction sections marked by the color maps, indicating that their number depends both on the cloud cover of Spitzer-resolved dust structures, mostly the spiral arms, and a diffuse, unresolved underlying disk. ...
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Ссылки http://www.stsci.edu/~kgordon/papers/2007AJ....134.1655H.html -- 4.7 Кб -- 21.01.2016
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2. A 10-GHz Radio Continuum Survey
... OCR by H.Andernach 1/96, to be proof-read) This is the first of a series of papers presenting results of a 10-GHz radio continuum survey of the galactic plane region using the 45-m telescope at Nobeyama. ... Weak Nonthermal Sources: A comparison with the Bonn S-GHz survey reveals a number of weak nonthermal sources near the galactic plane. ... For this reason we conducted a survey of the galactic plane region at 10 GHz using the 45-m radio telescope at the Nobeyama Radio Observatory (NRO). ...
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Ссылки http://www.sao.ru/cats/doc/NRO_Sof.html -- 7.2 Кб -- 18.03.2015
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3. Automatic Detection of Linear Features in Astronomical Images
... A new IRAF task has been developed that automatically identifies linear (line-like) features in an image or set of images. ... In order to automatically detect linear features, the first step is to select pixels in the image (Fig. 1 , left panel) that fall within a given data value range. ... Another aspect of extended linear features is that the image space pixels that describe them are in some way adjacent to one another and have a minimum and maximum length. ...
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Ссылки http://www.adass.org/adass/proceedings/adass98/cheselkam/ -- 12.9 Кб -- 16.07.1999
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4. Circinus_galaxy
... A typical spectrum (such as Figure 1) shows the classic triple-peaked spectrum, which is associated with masers located in a circumnuclear disk (e.g. NGC 4258, Nakai et al., ... The Circinus galaxy megamasers are known to be variable on timescales of weeks and months with individual maser features having a lifetime of around one year. ... Most of the masers observed showed some degree of variability over an hour while one feature displayed a doubling of its flux density over about 10 minutes. ...
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Ссылки http://www.atnf.csiro.au/news/newsletter/jun03/Circinus_galaxy.htm -- 8.9 Кб -- 23.01.2013
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5. http://www.naic.edu/~gibson/hisa/poster/2000/poster.ps.gz
... Maps of 21cm emission are dominated by warm H i, and most observations of H i absorption against continuum sources are limited to discrete points. ... Current Results At right are maps of H i emission, HISA, and 12 CO emission in the eastern 25% of the survey, given as projections along the velocity (Figure 1) and latitude (Figure 2) axes. ... 2000, A. J., submitted Figure 1: H i Survey Map (`; b): H i 21cm brightness integrated over all velocity channels; white is bright and black is faint. ...
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Ссылки http://www.naic.edu/~gibson/hisa/poster/2000/poster.ps.gz -- 76.9 Кб -- 21.01.2000
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6. XMM-Newton Further EPIC Background Scripts
... Estimation of the residual Soft Proton flare contamination . ... The script can be run on any EPIC event files (MOS1, MOS2 and/or pn), to estimate the amount of *residual* Soft Proton (SP) flare contamination, i.e. it should only be used *after* attempts have been made to clean the event files for SPs using GTI filtering. ... The higher the in-FOV to out-of-FOV ratio, the more the file is contaminated by SPs: . ... File is not contaminated by SPs. ... File is slightly contaminated by SPs. ...
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Ссылки http://xmm.vilspa.esa.es/external/xmm_sw_cal/background/epic_scripts.shtml -- 16.0 Кб -- 11.04.2016
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7. The SMS Survey
... The SMS program is a critical endeavor to investigate whether the predictions of standard cold dark matter cosmology are consistent with the observed matter distribution in the Milky Way halo. It is the deepest, most extended search for optically elusive dwarf satellite galaxies and tidal streams to date, covering the entire Southern hemisphere. ... However only a few dwarf satellites have been found around the Milky Way to date - 22 dwarfs compared to 500-10,000 predicted by theory (Klypin et al. ...
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Ссылки http://www.mso.anu.edu.au/~jerjen/SMS_Survey.html -- 12.0 Кб -- 09.04.2016
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8. LX - Rear Thread Aluminum Dust Cover
... Telescopes . ... Superb optical performance coupled with time proven computerized pointing and tracking has made the LX200 ACF series a best-seller in the high-performance telescope class. ... Meade's revolutionary LS LightSwitchтДв series of telescopes use advanced technologies to do what no other consumer telescopes have done before: take all the hassle out of using a telescope. ... LX - Rear Thread Aluminum Dust Cover . ... Rear Thread Aluminum Dust Cover for SC and ACF optical tubes. ...
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Ссылки http://www.meade.com/lx-rear-thread-aluminum-dust-cover.html -- 83.3 Кб -- 10.04.2016
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9. APOD: 2001 July 25 - Hot Gas Halo Detected Around Galaxy NGC 4631
... 2001 July 25 . Hot Gas Halo Detected Around Galaxy NGC 4631 . ... Explanation: Is our Milky Way Galaxy surrounded by a halo of hot gas? ... Since NGC 4631 is similar to the Milky Way , this observation indicates that our own Galaxy is indeed surrounded by a halo of hot X-ray emitting gas, although we are too close to clearly differentiate it from more nearby extended X-ray sources. The clusters of massive stars probably heat the halo gas. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap010725.html -- 4.6 Кб -- 01.10.2012
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10. K-band Arcetri Obscured Supernova Search - Detected Supernovae
Detected Supernovae . The search have produced till now the detections of 4 SNe. ... This result highlights the power of infrared monitoring in detecting Obscured SNe and indicates that optical surveys are probably missing a significant fraction of SNe, especially in obscured systems such as starburst galaxies. ... In Fig. we show the archival SOFI image of NGC3256 (left) and the first image obtained in 2001 (right) where SN2001db has been detected. ...
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Ссылки http://www.arcetri.astro.it/science/SNe/supernovae.html -- 8.2 Кб -- 02.10.2008
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11. Auroral Images
... In principle, two observers on the ground can tell, by comparing the position of the same auroral arc against the background stars. ... The display stretches across Canada; just below it, in the middle of the picture, are the lights of Chicago, next to Lake Michigan. ... The Canadian scientific satellite Isis-2 (1971) carried an auroral imaging camera and discovered the diffuse aurora, a broad ribbon around the auroral oval, too spread-out to be noticed from the ground. ... Auroral Acceleration . ...
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Ссылки http://www.iki.rssi.ru/magbase/REFMAN/EAMAGSPH/wimage.html -- 7.3 Кб -- 21.12.2007
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12. http://hea-www.harvard.edu/~slane/psr/ps/asca2.ps
ROSAT OBSERVATIONS OF PSR 0355+54 and PSR 1642--03 1 Patrick Slane HarvardSmithsonian Center for Astrophysics 60 Garden Street, Cambridge, MA 02138 USA ABSTRACT PSR 0355+54 and PSR 1642--03 are both radio pulsars whose Xray behavior was left unresolved by Einstein observations. 1;2 In each case, faint emission was detected near the sources, but appeared to be concentrated 1--2 arcmin from the known pulsar positions. ... Seward, F. D., & Wang, ZR 1988, ApJ, 332, 199 3. ... 1993, ApJ, 413, L27 7. ...
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Ссылки http://hea-www.harvard.edu/~slane/psr/ps/asca2.ps -- 59.7 Кб -- 31.01.2011
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13. Lunar Drawings
Crater Gassendi . ... I made this drawing was made on the 26th of november 2001. If you compare this one with the previous drawing of Gassendi (below) the differences are clear. ... This drawing was made on the 28th of september 2001. After nearly a full month without observations I had a one hour gap between the thicker clouds. ... This drawing was made on the 29th of august 2001. ... This drawing was made on the 27th of august 2001. ... This drawing was made on the 25th of august 2001. ...
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Ссылки http://aberrator.astronomy.net/moon/index.html -- 13.5 Кб -- 28.11.2001
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14. ESO - My data shows an extended, bright feature - what can this be?
... Observatory . ... Science . ... Science Users Information > Data Handling and Products > Data Reduction FAQ > My data shows an extended, bright feature - what can this be? ... Observing Facilities . ... Observing with ESO Telescopes . ... Science Data Products Forum . ... ESO Data . ... You might also want to check http://www.eso.org/sci/observing/PublicSurveys/useful_links/OmegaCAM_images.html where we provide a collection of example OmegaCAM images, illustrating some special data features. ...
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Ссылки http://www.eso.org/sci/data-processing/faq/my-data-shows-an-extended-bright-feature-what-can-this-be.html -- 22.7 Кб -- 10.04.2016
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15. Results scientific researchs LRS
Interaction of the Supernova Remnant S 147 . ... Based on RATAN-600 21-cm HI line observations with an angular resolution of 2.4', we study the neutral-hydrogen distribution in the region of the supernova remnant ( SNR ) S 147 ( G180.0-1.7 ). ... FIGURE CAPTIONS . ... The distribution of HI emission features in the vicinity of S 147 after the subtraction of the extended background. ... The distribution of HI emission features, as constructed from the survey data by Westerhout and Wendlandt ( 1982 ). ...
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Ссылки http://mavr.sao.ru/hq/lrs/res27a.html -- 3.1 Кб -- 09.04.2016
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16. What are typical star-to-star distances in globular clusters compared to
... Gravitational wave search provides insights into galaxy evolution and mergers . ... galaxies . ... Globular cluster NGC 2808, elliptical galaxy NGC 2986, and the Sextans Dwarf . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... What are typical star-to-star distances in globular clusters compared to stellar distances in our region of the galaxy? ... RELATED TOPICS: GLOBULAR CLUSTERS . ... Get instant access to subscriber content on Astronomy.com! ...
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Ссылки http://www.astronomy.com/magazine/ask-astro/2012/03/a-starry-backyard -- 63.1 Кб -- 10.04.2016
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17. CO in NGC 1530, aperture synthesis of a barred spiral
... NGC 1530 is one of the largest barred spiral galaxies in the northern sky, with bright CO emission. ... To trace molecular gas, we observed the line, with the IRAM Interferometer. ... Properties of NGC 1530 and observational results . ... Then in a frame rotating with the potential, the periodic orbits are ellipses either parallel to the bar ( ) or perpendicular ( ), depending on the radius of the orbit. ... We observed the molecular gas in the bar of NGC 1530, a barred SBb spiral in the line. ...
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Ссылки http://www.mrao.cam.ac.uk/yerac/reynaud/reynaud.html -- 12.6 Кб -- 08.12.2003
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18. Armagh Observatory
... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... In the late 1970s, jets were discovered in megaparsec-long radio galaxies. ... This involved the first quantitative analysis of jet warping, bending and disruption in galactic halos. ... Hot spots are created where a jet finally crashes into the surrounding medium. ... I extended the so-called Twin Exhaust Model, using numerical simulations to show that hot gas can be ejected in three forms: jets, bubbles and clouds. ...
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Ссылки http://star.arm.ac.uk/research/highlights1.html -- 7.1 Кб -- 30.06.2010
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19. Solar system sector, archive 1994
... 1994: . As a result of comparing the spectra of active solar regions from the observations with high spatial resolution in the microwave range at the RATAN-600 (the S-component) with a flare component observed at meter wavelengths on the VLA (USA) we revealed the presence of a strong and prolonged noise storm exactly where a weak decaying active region (with the presence of powerful active regions in the disk) is located. ... Archive . ...
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Ссылки http://www.sao.ru/Doc-en/Science/results/ar_solar/res1994.html -- 6.4 Кб -- 10.04.2016
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20. XWare > APOD
... Star Size Comparisons . ... What's visible in the night sky during this time of year? To help illustrate the answer, a beautiful land, cloud, and skyscape was captured earlier this month over NeuchБtel, Switzerland. Visible in the foreground were the snow covered cliffs of the amphitheater shaped Creux du Van, as well as distant trees, and town-lit clouds. ... The North America Nebula in Infrared . ... The North America Nebula can do what most North Americans cannot -- form stars. ...
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Ссылки http://www.astronet.ru/db/xware/apod.html?page=99&d=2013-10 -- 15.1 Кб -- 12.04.2016
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