XEphem Forum Message . ... Post . ... Spectral Type In Xephem And Tycho2 . ... Post Message | ... is a spectral type in xephem is to draw star . ... There is no spectral type in tycho2, but . ... the spectral type can be derived. ... const char *BvToSpectr(double b_v) { . ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

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• Observational Stellar Astronomy - an Astronomy Net Article

H 2 O maser sources spectral data at 22 GHz. I began this project 27.08.1998 for displaying spectral data at 22 GHz of water maser. While data will concerning in base Puschino many year (1979-1998 yy) regular observations of sample of these sources. Sources . R.a. (1950.0) . ... The figures with many years spectral data (day-month-year) . The behavior of flux . The behavior of spectral components . ... All spectra 1981-94 . ... The some spectral component: many year behavior . ...

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... IDL procedure to display ; a) a region of spectrum , together with a fit , if supplied, ; b) positions and relative strengths (gf or W_lambda) of lines in ; common atomic spectra may be marked in the lower panel. ; c) lines of sleceted atoms are identified in the top panel ; ; Command arguments: ; specfile - character string - name of file containing spectrum (and fit ) ; assumed to be x,y file with 3- ... Assesses lines in linelist by the strength values "listfr". ...

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• Spectral classes
• Armagh Observatory
• Armagh Observatory Preprint No. 301

. The frequency of the spectral maximum f m of the gyrosynchrotron emission vs. the column density of accelerated electrons calculated according to Dulk & Marsh (1982). Curves are shown for various power-law indices ? el of the electron spectrum and magnetic field strengths B . The angle between the line of sight and the magnetic field is 45 degree.

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• Space weather and ecology

Next: Imaging Polarimetry with NICMOS Up: NICMOS Data Calibration and Previous: The Photometric Performance of . ... NICMOSlook and Calnic C . ... Extracting spectra from a large number of NICMOS grism images requires a convenient interactive tool which allows a user to manipulate direct/grism image pairs. ... NICMOSlook and Calnic-C are two programs that were designed to take advantage of the fact that the NICMOS grism mode typically consists of taking both a direct and a grism image. ...

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• NICMOS Observes the Galactic Center

Static Fourier spectrometers are often used for spectral measurements of the ionosphere emissions. There are two main advantages of Fourier spectrometers (FS) - large geometric factor and high spectral resolution; these parameters are two orders better than for grating spectral instruments. ... In scanning Fourier spectrometer optical and electric modulation of signal is used to avoid this problem, for static Fourier spectrometer there are no such ways. ...

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• General Astrophysics
• Laboratory static Fourier-spectrometer
• SPECTROPHOTOMETER FAGOT

Astronomical Data Center . ... You can access the files described here in three ways: . ... Use CDS' VizieR Service at ADC to explore the data files. ... Get the data files via anonymous FTP. ... 1981) -------------------------------------------------------------------------------- Byte-per-byte Description of file : table1a Byte-per-byte Description of file : table1b -------------------------------------------------------------------------------- Bytes Format Units Label Explanations ...

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• Search of ADC Archives

... Mokhovaya st., 11, Moscow, 103907, Russia. ... Proceedings of ECCTD’01 -European Conference on Circuit Theory and Design, . ... An approach to design of chaotic oscillators with preassigned spectral characteristics is proposed and its practical realization is demonstrated. The basic idea of the approach is to form a frequency-selective circuit and to connect it to a harmonic oscillator so as to provide generation of chaotic oscillations with given spectral characteristics. ...

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• RADIO SIGNALS TO EXTRATERRESTRIALS
• Research Activities of InformChaos Lab.

... Obs., 1974, v.49, p.80-85. The sixty five radial velocity measurements of Cep C (blue visual companion of Cep A) have been obtained. The evidences are give that Cep C is spectral binary. The most probable periods of system are: 0 d ,89986 and 0 d ,46458 . In both cases the -velocity of Cep C is in good agreement with mean velocity of Cep A. It is a strong argument on their physical connection. The secondary component of Cep C may have very low mass (near 0.1 solar mass or less). ...

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Astronotes Armagh Planetarium's Stellar Blog! ... Our Galaxy . ... Stars . ... Other Galaxies . ... Light of other eyes, other times: The X-rays and IR radiation making up the image have been travelling for a long time. ... The inspiration here came from a new ESA image of M31, the Andromeda Galaxy, composed from two very different images. ... Our nearest galactic neighbour, the Andromeda Galaxy?s brightness is caused by the hundreds of billions of stars that are contained within. ...

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... V.V. Busarev, Sternberg State Astronomical Institute, Moscow University, . ... V. V. Busarev1, M. N. Taran2, V. I. Fel’dman3 and V. S. Rusakov41 Lunar and Planetary Department, Sternberg State Astronomical Institute, Moscow State University, 119992 Moscow, Universitetskij pr., ... 1 Sternberg State Astronomical Institute, Moscow University, Universitetskij pr., ... V. V. BUSAREV, Sternberg State Astronomical Institute, Moscow University, Russian Federation (RF) (E-mail: busarev@sai.msu.ru); . ...

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• Svetlana G. Pugacheva

... Cheers, -Mike Data Providers (e.g., data centers, archives) Provider Name: NOAO Collection: High Resolution Atlas of Arcturus Spectra - 0.92-5.36 microns Characteristics: 310 ASCII tables of wavenumber vs flux Storage Format: Text tables Available online: ftp://ftp.noao.edu/catalogs/arcturusatlas/ir Comments: Tables contain three flux values (arcturus spectrum, telluric spectrum and ratio) for both summer and winter observations. ... Linelists also available as text table ...

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• http://www.mao.kiev.ua/staff/yp/Results/MgHclean.ascii
• Optical systems and devices
• Olga V. Zakhozhay

... Phobos. 3 channels VSK image. The enhanced image after a histogram equalization technique. The distance is 270 km., the resolution is 50/260 m. Phobos . ... The distance is 430 km., the resolution is 80/420 m. Phobos and Mars. ... The distance is 197 km., the resolution is 36 m. Phobos. 3 channels VSK image. The enhanced image after processing with a histogram equalization technique. ... The distance is 188 km., the resolution is 184 m. The closest approach image of Phobos. ...

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• IKI IPL home page
• The Solar Wind
• Space Research Institute (IKI) Seminar

These are very prominent absorption lines is most all galaxies. ... These pair of absorption lines will appear in all the spectra and they should be your principle source for determining the redshift. ... When this applet opens you will see an iconic representation of galaxies in the left hand side of the applet and a target area in the right side of the applet. ... Note: What you are doing in this excercise is identical to what Hubble did in the 1920's and you are using the same galaxies. ...

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• Power Spectrum of Galaxies
• Digital Stellar Spectra
• Stellar and Galaxy Spectra

... Elena Seifina and Lev Titarchuk "On the nature of the compact object in SS433: observational evidence of X-ray photon index saturation" 2010, Astrophysical. ... A.M. Cherepashchuk, R.A. Sunyaev, E.V. Seifina, E.A. Antokhina, D.I. Kosenko, S.V. Molkov, N.I. Shakura, K.A. Postnov, A.N. Timokhin, I.E. Panchenko "INTEGRAL Observations of SS433: Analysis of Precessional and Orbital X-ray Periodicities" 2007, 6th INTEGRAL Workshop, Eds. S. Grebenev, R.A. Sunyaev, p.411 (astro-ph/0610235) . ...

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• Igor Antokhin
• Elena Seifina
• Victor Oknyanskij

. Previous slide . Next slide . Back to first slide . View graphic version .

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• Gemini Near-Infrared Integral-Field Spectrograph (NIFS) Spectrograph.
• Gemini Near-Infrared Integral-Field Spectrograph (NIFS) Diffraction.
• Photographs from Beryl Hall

Next: Results and Discussion Up: Evolution of Supernova Explosion Previous: - Dependence for the . In order to construct the - dependence for supernova explosions, we calculated separately the m ( z ) in the R band and N ( z ) taking the cosmological and evolutionary effects into account. ... where n(t) is the SN rate as a function of age of the galaxy, t(z) is the age of the galaxy as a function of its redshift, and is the density of galaxies in the Universe. ...

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• Be/X-ray binaries and candidates
• Effect of sources evolution on
• Gamma-Ray Bursts

. Russian Version [ MS-Win ] . [ News ] . [ Satellite data ] . [ SMIS ] . [ ] . The program is intended for spectral and correlation analysis of satellite images. It contains an large set of spectral and spatial filters. It may be applied for interpolation and data analysis in areas with incomplete information. It allows for approximation of spectrum and correlation functions. Price . Back to SMIS Home Page .

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... We show the analysis of low-hard and intermediate states of sources XTE J1550-564, H 1743-322, GX 339-4, XTE J1859-226, XTE J1650-500 and GRS 1915+105. ... Directly applying the scaling technique we also obtain that a ratio of the BH masses in XTE J1859-226 and in XTE J1550-564 is , and the corresponding ratio for XTE J1650-500 and XTE J1550-564 is . These values of scaling factors r implies that BH masses are ; solar masses in XTE J1859-226 and XTE J1650-500 respectively. ...

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• Zeldovich-100 / International Conference / Moscow, Russia
• Поутанен Юрий Иормович (Oulu Univ.)
• RTT150 Optical Systems

... 0,50-0,59 (0,50-0,59) µm . ... Swath Width . ... at end of visibilty area . ... Visibility Area Width . ... Ground Resoultion in Nadir: . along swath . ... across swath . ... Ground Resolution at End of Visibilty Area: . ... 200 lines per second . ... at least 200 . Ground resolution corresponds to normal flihgt altitude 650 km. For more information send a mail to: info@sputnik.infospace.ru . ...

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