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1. Fine Guidance Sensor Instrument Handbook
FGS Instrument Handbook for Cycle 24 . ... Fine Guidance Sensor Instrument Handbook for Cycle 24 > Chapter 3: FGS Science Guide > 3.4 Combining FGS Modes: Determining Stellar Masses . ... The combination of Position mode and Transfer mode observations is an effective means to derive a full orbital solution of a binary system. ... And with the parallax known (from the Position mode data), the total system mass, and hence the mass of each component, can be determined. ...
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Ссылки http://www.stsci.edu/hst/fgs/design/documents/instrumenthandbook/c03_science05.html -- 7.6 Кб -- 12.04.2016
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2. ESO - Thesis Topic: ALMACAL: the evolution of the molecular gas in galaxies
... Science Activities > PhD Thesis Topics offered by ESO Faculty Members > Thesis Topic: ALMACAL: the evolution of the molecular gas in galaxies using ALMA calibrator observations . ... ALMA . ... ESO-MIDAS . ... It is therefore essential to probe the evolution of cold gas over cosmic time. ... We are looking for an enthusiastic PhD student who is interested in working with us in using ALMACAL to address exciting and topical science questions related to the evolution of molecular gas in galaxies. ...
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Ссылки http://www.eso.org/sci/activities/thesis-topics/abstr-zwaan1.html -- 29.5 Кб -- 10.04.2016
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3. Meade Instruments - Telescopes, Solar Telescopes, Binoculars, Spotting Scopes
STEP INTO THE BLUE - MEADE INSTRUMENTS PRODUCT GUIDE . ... Telescopes . LX850 Series . ... 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. ... Coronado€о Solar . ... Spotting Scopes . ...
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4. Astronomy HyperText Book: Stellar Evolution
... Stellar Evolution is driven entirely by the never ending battle between Pressure and Gravity . As imbalances are reached, the star is driven to find a new Energy source. ... Pressure and gravitational forces are equal, the star is stable and its core is sufficiently hot to fuse Hydrogen into Helium More about main sequence stars . ... The luminosity generated by the core fusion of Helium into Carbon is far greater than the shell luminosity associated with the fusion of Hydrogen into Helium. ...
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Ссылки http://zebu.uoregon.edu/textbook/se.html -- 4.8 Кб -- 16.12.1997
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5. GSAOI Dwarf Galaxies Science Page
... GSAOI Home . ... Science . ... For example, among the Milky Way's dE companions we see systems with dominant old populations, systems with minor intermediate-age (age ~ 2 to 10 Gyr) components, and systems where the intermediate-age component dominates the old stars. ... This variety of star formation histories is not restricted to the Galaxy's companions. ... To make progress in understanding the processes that govern dwarf galaxy evolution, we need to study systems beyond the Local Group. ...
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Ссылки http://www.mso.anu.edu.au/gsaoi/science/dwarfs.shtml -- 9.5 Кб -- 01.10.2012
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6. Index
... Aloisi, A. The Old Stellar Population . Alonso-Herrero, A. HST /NICMOS Observations of the . ... Balcells, M. HST-NICMOS Observations of Galactic . ... Baum, S.A. Investigating the Evolution of . ... Becklin, E.E. A Coronagraphic Search for . ... Clampin, M. The Old Stellar Population . ... Close, L. HST NICMOS Observations of . ... The Stellar Population in . Geballe, T.R. HST NICMOS Observations of . ... Greggio, L. The Old Stellar Population . ... Leitherer, C. The Old Stellar Population . ...
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Ссылки http://www.stecf.org/conferences/sardinia/node40.html -- 14.1 Кб -- 12.06.2006
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7. The Evolution of Galaxies Seen Through The Neutral Hydrogen Line The Evolution
... VLA observations and Tully-Fisher distances of gas-poor spiral galaxies in the Virgo Cluster Region . ... The HI-H2 Pressure Relation In Early-Type Galaxies . ... Tracing evolution of early-type spirals through the neutral hydrogen window . ... An Arecibo HI 21-cm Absorption Survey of Rich Abell Clusters . ... The Arecibo Ultra-Deep Survey . ... Absorption in varying galactic environments seen in HI surveys . ... Early-type galaxies with neutral hydrogen in the Virgo cluster from the ALFALFA survey ...
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Ссылки http://www.naic.edu/~astro/hiconference/posters.shtml -- 7.1 Кб -- 02.10.2012
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8. http://mavr.sao.ru/hq/balega/PUBL_BAL/PUB_2002/WBBHMW_2002.ps
Role in the Universe IAU Symposium 209, 2002 M. Dopita, S. Kwok and R.S. Sutherland, eds. Near-infrared monitoring of the carbon star IRC +10 216 : A high spatial-resolution time sequence of dust -shell evolution G. Weigelt , T. Blocker, K.-H. Hofmann, A. Men'shchikov, J.M. Winters Max{Planck{Institut fur Radioastronomie, 53121 Bonn, Germany Y. Balega Special Astrophysical Observatory, Nizhnij Arkhyz, 35147, Russia The carbon star IRC +10 ... 2000, Tuthill et al. 2000). ...
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Ссылки http://mavr.sao.ru/hq/balega/PUBL_BAL/PUB_2002/WBBHMW_2002.ps -- 260.3 Кб -- 03.08.2004
[ Текст ] Ссылки http://www.sao.ru/hq/balega/PUBL_BAL/PUB_2002/WBBHMW_2002.ps -- 260.3 Кб -- 24.02.2010
[ Текст ] Ссылки http://jet.sao.ru/hq/balega/PUBL_BAL/PUB_2002/WBBHMW_2002.ps -- 260.3 Кб -- 24.02.2010
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[ Текст ] Ссылки http://www.sao.ru/hq/balega/PUBL_BAL/PUB_2002/WBBHMW_2002.ps -- 260.3 Кб -- 24.02.2010
[ Текст ] Ссылки http://jet.sao.ru/hq/balega/PUBL_BAL/PUB_2002/WBBHMW_2002.ps -- 260.3 Кб -- 24.02.2010
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9. GRANAT Home Page
GRANAT is the Russian x-ray sattelite launched to the high apogee orbit (200,000 km) and operated almost for 10 years (1989 -1999) , carrying out four major instruments: French SIGMA coded-mask hard x-ray telescope (30-1000 keV), Soviet ART-P coded-mask telescope (2??-60?? keV), all-sky monitor WATCH (6-150 keV), and a gamma-burst detector PHEBUS . ... Since September 1994, GRANAT is in the survey mode. ... Explore pages devoted to individual GRANAT instruments (including main scientific results): . ...
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Ссылки http://hea.iki.rssi.ru/GRANAT/granat.html -- 2.5 Кб -- 03.11.2009
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10. ETCs and Observations Simulation at the VLT
... Second, the observatory can control the configuration, test data analysis procedures, and provide calibration solutions with the help of instrument models. This paper presents the VLT object-oriented framework for the development of ETCs (Exposure Time Calculators) and data simulators. ... Instrument simulations are being developed for the purpose of predictive calibration, instrument configuration control, and evaluation of data analysis procedures. ...
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Ссылки http://www.adass.org/adass/proceedings/adass99/P1-22/ -- 12.4 Кб -- 09.10.2000
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11. Armagh Observatory
... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... Upflows at the edges of active regions - called AR outflows , are studied using multi-instrument observations. ... The evolution of the photospheric magnetic field associated with the footpoints of the upflow region and the plasma properties of active region upflows are investigated aiming at providing such information for benchmarking data-driven modelling of this solar feature that is presented in Galsgaard et al. ...
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Ссылки http://star.arm.ac.uk/highlights/2015/679.html -- 7.9 Кб -- 14.10.2015
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12. http://www.atnf.csiro.au/whats_on/workshops/mm_science2001/talks/Wright.pdf
... 1987) MM observations of pre-planetary disks · Methods Millimetre single dish ( Mopra ) and interferometric (ATCA) spectral line and continuum observations , to obtain gas chemistry, kinematics (infall, outflow, rotation), gas and cold dust spatial distribution Mid - infrared spectroscopic observations of the 10, 20 micron silicate bands (Michelle on UKIRT/Gemini-N, TIMMI2 on ESO 3.6 m, T-ReCS on Gemini-S), to obtain warm ... Mopra observations of HD 163296 Grady et al. ...
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Ссылки http://www.atnf.csiro.au/whats_on/workshops/mm_science2001/talks/Wright.pdf -- 1693.9 Кб -- 23.04.2002
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13. Galaxy Evolution: Regulation of the ISM and Star Formation
... Galaxy Evolution home . ... Regulating the ISM and star formation . Cosmological evolution of star-forming galaxies . ... Local Information . ... In order to investigate the cosmological evolution of star-forming galaxies it is essential that we understand the physics which controls the evolution and regulation of star formation in the ISM. ... We use a combined observational and numerical approach to study interacting and merging galaxies in the local Universe. ...
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Ссылки http://www.mrao.cam.ac.uk/~pa/galaxy_evolution/science_ISM.html -- 8.0 Кб -- 01.02.2002
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14. Evolutionary Scenarios of Binary Systems
... To avoid extensive numerical calculations in the statistical simulations, we treat the continuous evolution of each binary component as a sequence of a finite number of basic evolutionary states (for example, main sequence, red (super)giant, helium (Wolf-Rayet) star, hot WD), in which stellar parameters significantly differ from each other. ... Figure 2: Schematic representation of the typical evolutionary track of a massive binary system with normal and compact star stages indicated. ...
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Ссылки http://xray.sai.msu.ru/~mystery/articles/review/node4.html -- 10.9 Кб -- 25.02.1997
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15. Introduction
Next: CCD Operation Up: Charge Coupled Devices (CCDs) Previous: Charge Coupled Devices (CCDs) . ... However it is only now that a number of important X-ray astronomical applications of CCDs have reached critical development stages, so that this is an appropriate time to review the application of space-borne CCD instruments to cosmic X-ray astronomy, and highlight the particular concerns which are being addressed for X-ray instruments, as distinct from optical applications. ...
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Ссылки http://xmm.vilspa.esa.es/user/socpub/ccd_review/node1.html -- 8.2 Кб -- 30.08.1996
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16. Ratan-600 observation schedule
... Облучатель 1 . ... Мингалиев М. (САО РАН) . 03-31): Исследование переменности АЯГ в широком диапазоне временных масштабовх, . ... Трушкин С.А. (САО РАН) . ... 01-31): Исследования Солнца 1 (много-азимутальные наблюдения, +- 2h от меридиана) . ... Жеканис Г.В., Призов П.В. (САО РАН) . ... Горшков А.Г. (САО РАН) . ... Берлизев И.В. (САО РАН) . ... Парийский Ю.Н. (САО РАН) . ... Призов П.В. (САО РАН) . ... САО РАН) . ... 29-31): Investigation of radio spectra and variability of GPS sources, . ...
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Ссылки http://www.sao.ru/ratan/schedule/2008/half2.html -- 12.3 Кб -- 10.04.2016
[ Сохраненная копия ] Ссылки http://mavr.sao.ru/ratan/schedule/2008/half2.html -- 12.3 Кб -- 10.04.2016
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17. MILLIMETRON
... The project assumes creation of an international space observatory - the interferometer "Earth - Space - Space" in order to perform of astronomical investigations in millimeter, submillimeter and infrared regions with extremely high sensitivity (to a few nanoJanskies units of flux density in continuum spectrum) and extremely high angular resolution (to a parts of microsecond of arc or, possibly, nanosecond). ... radio-interferometric channels of the system "Space - Space", region 0.2 - 3 mm; . ...
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Ссылки http://www.asc.rssi.ru/submillimetron/mm/default.htm -- 10.5 Кб -- 05.04.1999
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18. Achievements - Page 4
... Dept. for Physics of Stars&Galaxies . ... Using a database view Sloan Digital Sky Survey (SDSS), containing almost a million spectra created 15,000 sample galaxies with active star formation, which is used for various studies and physical state of evolution of galaxies. ... Star clusters of the Galaxy . The project MWSC (Milky Way Star Clusters) directory using 2MASS, which includes nearly 500 million vision to the limit Ks = 15.3, analyzed more than 4,000 cluster-like objects in the galaxy. ...
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Ссылки http://www.mao.kiev.ua/index.php/en/observatory/departments/d-stars-galaxies?showall=&start=3 -- 21.2 Кб -- 11.04.2016
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19. http://hea-www.harvard.edu/QEDT/Papers/mathurs.ps
... For NGC3516 we find that the Xray warm absorption and the broad UV associated absorption features can be produced by the same absorbing material. ... Is it also true for NGC3516? ... 1996). ... Here we argue that the XUV absorption picture is consis tent with the presence of a highly ionized Xray absorber and the current non detection of CIV and NV broad absorption lines (see Fig. ... Pre1992: It showed broad, high ionization CIV and NV absorption lines and an Xray ionized absorber (U ! ...
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Ссылки http://hea-www.harvard.edu/QEDT/Papers/mathurs.ps -- 69.3 Кб -- 05.08.1996
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20. 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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Астронет | Научная сеть | ГАИШ МГУ | Поиск по МГУ | О проекте | Авторам
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