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1. The Spitzer discovery of a galaxy with infrared emission solely due to AGN
Aims: We present an analysis of a galaxy (SAGE1CJ053634.78-722658.5) at a redshift of 0.14 of which the infrared (IR) emission is entirely dominated by emission associated with the active galactic nucleus. Methods: We present the 5-37 ЮМm Spitzer/IRS spectrum and broad wavelength spectral energy distribution (SED) of SAGE1CJ053634.78-722658.5, an IR point-source detected by Spitzer/SAGE. ... We compare the source with models of emission from dusty tori around AGNs. ...
[ Сохраненная копия ]  Ссылки http://www.stsci.edu/~kgordon/papers/2011A&A...531A.137H.html -- 5.3 Кб -- 21.01.2016
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2. Optically detected galaxies with POSSI-E in the "zone of avoidance. I-V
... 1996A .. 117.. 1S Part II, 180<l<240; . ... 369L Part III, 120<l<130, |b|<10; . ... Finally, we argue that the red-sensitive surveys (ESO R; POSS II-R, POSS II-IR) are the best suitable material for galaxy searches in the zone of avoidance. ... As the fifth part in our series of papers on galaxies in the "zone of avoidance" (ZOA) of the Milky Way we present 1346 new galaxy candidates discovered during a systematic search on Palomar Observatory Sky Survey (POSSI-E) red-sensitive prints. ...
[ Сохраненная копия ]  Ссылки http://www.sao.ru/cats/doc/GAL_avoid.html -- 9.3 Кб -- 18.03.2015
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3. The Galaxy Gallery: Messier Objects
M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...
[ Сохраненная копия ]  Ссылки http://zebu.uoregon.edu/messier.html -- 7.0 Кб -- 23.07.2004
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4. The Circinus Galaxy
... Circinus is a nearby spiral galaxy only 4 degrees below the Galactic plane. ... Jones et al. (1996, in prep.) and Koribalski Whiteoak (1996) only recently mapped Circinus with several configurations of the ATCA; a few preliminary results are presented here. ... The elongated central disk (length about 5 arcmin) indicates a bar, and the central `hole' is caused by HI absorption against the bright central region of Circinus. ... Figure 3 : Halpha emission from the nuclear region of the Circinus galaxy...
[ Сохраненная копия ]  Ссылки http://www.atnf.csiro.au/people/Baerbel.Koribalski/circinus/circ_min.html -- 3.9 Кб -- 28.02.2014
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5. Initial Distributions of Binary Parameters
Next: Star Formation Rate and Up: No Title Previous: Calculation of Evolutionary Tracks . To start calculations, we choose the distributions of the initial binary parameters: the mass of the primary ZAMS component, , binary mass ratio, , orbital separation a . ... whereas the mass ratio distribution is not. ... The zero assumption often made is that the mass ratio distribution has a flat shape, that is binaries with a high mass ratio occur as frequently as those with equal masses. ...
[ Сохраненная копия ]  Ссылки http://xray.sai.msu.ru/~mystery/articles/review/node39.html -- 14.1 Кб -- 26.02.1997
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6. http://www.sao.ru/hq/katya/NDG/DVD/Talks/Yakobchuk.pdf
... Big ellipse: the region of the photometric analysis Smaller ellipses: the adopted inner boundaries of the Main Body and the C component Small circles: diffuse background objects, manually selected and removed from the photometry Uncleaned CMDs [V-I, I] of I Zw 18, obtained using Aloisi et al. (left) and Izotov & Thuan (right) datasets. ... Where is the 'halo'? Blue compact dwarf galaxy SBS 1415+435 Hubble Space Telescope / Advanced Camera for Surveys NASA, ESA A. Aloisi (STScI, ESA) et al. ...
[ Текст ]  Ссылки http://www.sao.ru/hq/katya/NDG/DVD/Talks/Yakobchuk.pdf -- 2259.0 Кб -- 24.02.2010
[ Текст ]  Ссылки http://mavr.sao.ru/hq/katya/NDG/DVD/Talks/Yakobchuk.pdf -- 2259.0 Кб -- 01.10.2009
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7. HISA Poster for the 197th Meeting of the AAS, January, 2001
... We are using Canadian Galactic Plane Survey l 74.2њ, -3.6њ < b This poster gives preliminary results for a full-fledged analysis of the gas properties and distribution of HISA features in the CGPS. ... where T ON and T OFF are observed brightnesses on and off the HISA feature, T S is the spin or excitation temperature of the HISA gas, tau is its optical depth, T C is the continuum intensity, and p is the fraction of H I emission lying behind the HISA feature. ... GIF | ...
[ Сохраненная копия ]  Ссылки http://www.naic.edu/~gibson/hisa/poster/2001/ -- 13.7 Кб -- 20.11.2005
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8. An Extragalactic Point Source Simulator for SIRTF Pipeline Testing
... Up: Science Data Pipelines . ... We designed and developed a package which simulates extragalactic point source data within a given field of view and SIRTF band. ... The simulator is modular and extensible to enable multi-wavelength simulations, has been optimized by utilizing parallel processing capabilities, and will be used to test pipeline software. ... The extragalactic simulator is capable of generating large numbers of galaxies within a given patch of sky for SIRTF pipeline testing. ...
[ Сохраненная копия ]  Ссылки http://www.adass.org/adass/proceedings/adass00/P2-48/ -- 13.3 Кб -- 29.05.2001
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9. The AstroStat Slog Blog Archive [ArXiv] SVM and galaxy morphological
... Archives . ... ArXiv] Bimodal Color Distribution in GCS, Sept. 7, 2007 . ... A robust morphological classification of high-redshift galaxies using support vector machines on seeing limited images. ... Algorithms arXiv Astro Bad AstroStat Bayesian CHASC Cross-Cultural Data Processing Fitting Frequentist Galaxies gamma-ray High-Energy Imaging Jargon Job Languages MC MCMC Meta Methods Misc News Nuggets Objects Optical Physics Quotes Spectral Stars Stat Timing Uncertainty X-ray . ... Chandra Blog . ...
[ Сохраненная копия ]  Ссылки http://hea-www.harvard.edu/AstroStat/slog/groundtruth.info/AstroStat/slog/2007/arxiv-svm-morphological-classification/index.html -- 21.2 Кб -- 01.03.2014
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10. APO Home Page
... Current APO Weather . ... Search Site . ... Information for New Users . ... Technical Staff pages . Night Logs and Mailing Lists (maintained by APO) . ... Technical Documents and Database Search . ... Observer's Documentation and Procedures . ... Problem Reporting and APO Technical Documents Database Search . ... APO Drawing/Document Management Procedures . ... APO Technical Documents Database Search . Home Astrophysical Research Consortium . ... Mail Lists (maintained by APO) . ...
[ Сохраненная копия ]  Ссылки http://www.apo.nmsu.edu/ -- 13.9 Кб -- 11.02.2016
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11. http://www.mrao.cam.ac.uk/~bn204/mk2/publications/2004/dusty04-sdss-interacting-poster.pdf
... Tidal influence on each of the galaxies in our sample is quantified by identifying and measuring the distance to the nearest companion, using a photometric technique with good completeness characteristics. ... Massnormalised starformation rates were derived using galaxy stellar masses estimated from zband luminosities Nearest companions were identified using the algorithm illustrated in Figure 1. ... Some of the lowredshift galaxies in our sample with close companions are illustrated in Figure 3. ...
[ Текст ]  Ссылки http://www.mrao.cam.ac.uk/~bn204/mk2/publications/2004/dusty04-sdss-interacting-poster.pdf -- 1653.4 Кб -- 25.11.2009
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12. http://www.arcetri.astro.it/radtran/talks/mpohlen.pdf
... 2005) INT star counts Theory: Origin of outer disk structure Type I: long standing debate about exp. form (but we may have for Type II and Type III) Type II: several models CT: starformation threshold (Kennicutt, 1989; Martin & Kennicutt, 2001; Schaye, 2004) (Elmegreen & Hunter, 2006; Li, Mac Low & Klessen, 2006) OLR: (bar) resonance phenomenon (Debattista et al. 2006) Type III: connection with interactions? star formation? ... Elmegreen & Hunter, 2006) more data is needed to decide on origin! ...
[ Текст ]  Ссылки http://www.arcetri.astro.it/radtran/talks/mpohlen.pdf -- 2239.2 Кб -- 06.06.2007
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13. 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. ...
[ Сохраненная копия ]  Ссылки http://www.mso.anu.edu.au/~jerjen/SMS_Survey.html -- 12.0 Кб -- 09.04.2016
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14. The 2MASS Galaxy Sky
Astronomy Picture of the Day . ... 17.09.2003 . ... Credit Copyright: 2MASS , T. H. Jarrett , J. Carpenter, R. Hurt Explanation: Are the nearest galaxies distributed randomly? ... Many galaxies are gravitationally bound together to form clusters , which themselves are loosely bound into superclusters , which in turn are sometimes seen to align over even larger scale structures. ... Publications with keywords: 2MASS - cluster of galaxies . Publications with words: 2MASS - cluster of galaxies . ...
[ Сохраненная копия ]  Ссылки http://www.astronet.ru/db/xware/msg/apod/2003-09-17 -- 15.0 Кб -- 28.02.2014
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15. Armagh Observatory
... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Radio luminosity - spectral type plot for all ultracool dwarfs observed at 4.9 GHz. ... Whilst no radio emission was detected from any of the targets, significant upper limits were placed on the radio luminosities that are below the luminosities of previously detected ultracool dwarfs. Combining our results with those from the literature gives a detection rate for dwarfs in the spectral range M7 тАУ L3.5 of тИ® 9%. ...
[ Сохраненная копия ]  Ссылки http://star.arm.ac.uk/highlights/2012/625.html -- 7.1 Кб -- 20.11.2012
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16. http://www.atmob.org/about/observing/awards/files/galaxy_instructions_2011-02-01.pdf
ATMoB "Galaxy Observing Award " Guidelines Purpose: To promote observing among the membership of the Amateur Telescope Makers of Boston through participation in the Galaxy Observing Awards program. ... Examples of elliptical galaxies: M49, M59, M60, M87, NGC 4125. Limiting Magnitude Assessment: Spirals: A spiral galaxy consists of a flattened disk, with stars forming a (usually two-armed) spiral structure, and a central concentration of stars known as the bulge. ...
[ Текст ]  Ссылки http://www.atmob.org/about/observing/awards/files/galaxy_instructions_2011-02-01.pdf -- 27.4 Кб -- 21.02.2011
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17. Description of SED models
... FTP access the basic models is here . ... Below, we put short descriptions of the used SED models for the photometric redshifts providing by the current server . ... The uniqueness of this model consists in expanding to the near IR (NIR) of Rocca-Volmerange and Guiderdoni's (1988) atlas of synthetic spectra with a revised stellar library, which includes parameters of cool stars. ... Homepage of the GISSEL model). ... Another model used earlier is the model of synthetic spectra of Poggianti (1997). ...
[ Сохраненная копия ]  Ссылки http://sed.sao.ru/sed_E_models.html -- 9.2 Кб -- 12.01.2005
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18. Spectrum-Roentgen-Gamma - The astrophysical Project at IKI RAN
... The study of the Large-scale structure of the Universe and measurements of the Dark Energy equation of state; The exploration of the growth and cosmological evolution of supermassive Black holes in the Universe. ... In course of the all sky survey SRG will discover about 100 000 galaxy clusters and 3 million AGNs. Galaxy clusters are the largest gravitationally bounded objects in the Universe and are best explored through the study of X-ray emission from the hot intergalactic gas. ... 2016 IKI RAN ...
[ Сохраненная копия ]  Ссылки http://hea.iki.rssi.ru/SRG/en/index.php?page=science -- 8.3 Кб -- 10.04.2016
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19. Stars and Galaxies
Next: The stage and Up: The ESO Red Sky Previous: Artefacts . Fig. 3 shows the distribution of stars. The most striking feature is the rapid steepening of the density gradient towards the Milky Way region at the right and left hand edges of the total field, apparent from the dramatic change in colour in this false colour presentation. Noticable changes in star density across even short distances are indicated by colour changes within individual plates. ... Fig. ...
[ Сохраненная копия ]  Ссылки http://www.eso.org/~mnaumann/aim/red-survey/chapter2_7.html -- 4.9 Кб -- 17.08.2000
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20. Stellar Astronomy
... Subject and Problems of Stellar Astronomy. ... Plane of Galaxy, Methods of Its Location Determination. ... Stars Distances. ... Other Methods of Stars Distances Determination. ... Tangential Velocities, Their Determination by Self-Motions. ... Determination of Solar Apex and Spatial Velocity by Radial and Spatial Velocities of Stars. ... Features of Orientation and Parameters of Peculiar Stellar Velocities Ellipsoid. ... General and Selective Light Absorption in Galaxy. ... Darc Clouds in Galaxy. ...
[ Сохраненная копия ]  Ссылки http://space.univ.kiev.ua/courses/zor_astron_e.html -- 8.0 Кб -- 23.02.2005
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