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3 edition of Analysis of the IUE spectra of the strongly interacting binary beta lyrae found in the catalog.

Analysis of the IUE spectra of the strongly interacting binary beta lyrae

Analysis of the IUE spectra of the strongly interacting binary beta lyrae

final report

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  • 6 Currently reading

Published by National Aeronautics and Space Administration, National Technical Information Service, distributor in [Washington, DC, Springfield, Va .
Written in English

    Subjects:
  • Light curves.

  • Edition Notes

    Statementprincipal investigator: George E. McCluskey, Jr.
    Series[NASA contractor report] -- NASA CR-194118., NASA contractor report -- NASA CR-194118.
    ContributionsUnited States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL14697861M

      In the picture below you can see the beta spectrum of rubidium: in about three hours, pulses have been counted with a maximum energy of about keV. Spectrum β Lutetium ( Lu) Natural lutetium is composed of two isotopes of which only one is stable, Lu (natural abundance %) while the other, the Lu beta decays with half.   Spectroscopy of Beta Lyrae - posted in Observational Astrophysics: Weather has been atrocious here lately, so I caught this spectrum between the clouds. Im just starting in spectroscopy: 6 reflector ($), SA grating ($), ZWO ASI MM-Cool camera ($). I took 1 30 s sub and processed and calibrated the spectrum with RSpec (not sure how good .

    We analyze IUE spectra of the star Ori. Together with previously obtained visible spectra, they have allowed the wavelength range from to Å to be studied. Atmospheric parameters of the star were refined: logg=(1), T eff=() K, and ξt=15(5) km s−1. We measured the equivalent widths of ∼ lines and used them to compute the chemical .   In uncorrected spectra (Fig 1B), the nm/nm ratios vary from to The same spectra following light scattering correction (Fig 1C) show a consistent nm/nm ratio of about , as expected for purified capsid protein. The slight mismatches in the spectra indicate that the Rayleigh approximation does not perfectly account for.

    An icon used to represent a menu that can be toggled by interacting with this icon. "A New Study of the Interacting Binary Star V Sgr," A Decade of UV Astronomy with IUE, Proceedings of the Celebratory Symposium, ESA SP, Vol. 1, p. , Reichert, G.A., R.S. Polidan, C.C. Wu, and T.E. Carone, "Voyager and IUE Observations of 3C Detection of Possible Lyman Continuum Absorption in a Nearby (z=) Quasar.


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Analysis of the IUE spectra of the strongly interacting binary beta lyrae Download PDF EPUB FB2

Analysis of the IUE spectra of the strongly interacting binary beta Lyrae: NTRS Full-Text: View Document [PDF Size: MB]: Author and Affiliation:Author: George E. Mccluskey. Get this from a library. Analysis of the IUE spectra of the strongly interacting binary beta lyrae: final report.

[G E McCluskey; United States. Analysis of the IUE spectra of the strongly interacting binary beta Lyrae. By Jr. George E. Mccluskey. Since beta Lyrae has been observed with the International Ultraviolet Explorer (IUE) satellite.

We have constructed ultraviolet light curves from the IUE archival data for comparison with the OAO-A2 : Jr. George E. Mccluskey. Analysis of the IUE spectra of the strongly interacting binary beta Lyrae. resolution spectra of the interacting Algol-type binary U Sagittae have been obtained with the IUE.

We present the evolutionary track of Beta Lyrae (β Lyr), an interacting eclipsing binary star, with orbital rotation period of days, with one component known as the B-emission (Be) star. NASA Research Grant on "Analysis of the IUE Spectra of the Strongly Interacting Binary Beta Lyrae" Guest Investigator, IUE Satellite (56 hours), NASA Research Grants on "Ultraviolet Line Emitting Plasma in Algol-type Binaries" "Extended Atmospheric Structure of the KO III Giant in the Binary AL Velorum".

We analyze both long and short high resolution ultraviolet spectrum of Beta Lyrae eclipsing binary sys-tem observed with the International Ultraviolet Explorer (IUE.

An analysis of 19 published radial-velocity measurements of the broad H I and He I lines during the period indicates that Theta CrB may be a long-period spectroscopic binary. The eclipsing and strongly interacting binary star system R Arae (HD ) is in a very active and very short-lived stage of its evolution.

R Ara consists of. The ultraviolet spectrum of beta Lyrae observed with the S 2/68 experiment aboard the TD 1 satellite has been compared with the spectra of several. 1. Introduction. Beta Lyrae is the pro-totype for a close eclipsing variable binary star system. The Beta Lyrae system has evolved non conservatively during its 32 million year lifetime (DeGreve and Linnell, ).The two stars of this binary are in a circular orbit with a separation of 55–60 R ⊙.The orbital period is approximately days, but the period is.

The interacting binary system of Beta Lyrae is studied by means of a detailed analysis of the UV emission lines observed with IUE, and its wind.

The acronyms listed below were placed into one or more of these categories: Astrophysics terminology – physics-related acronyms Catalog – collections of tabulated scientific data; Communications network – any network that functions primarily to communicate with spacecraft rather than performing astronomy Data – astrophysical data not associated with any single.

The spectrum of Beta Lyrae from about to A taken with the Balloon-borne ultraviolet Stellar Spectrograph experiment in May at phase P is analyzed. The eclipsing and strongly interacting binary star system R Arae (HD ) is in a very active and very short-lived stage of its evolution.

Curves of beta Lyrae: Comparison of OAO A-2, IUE. Analysis of 6 years of multi-bandpass photoelectric photometry of Beta Lyrae indicates that systematic changes in light curves occur with a characteristic period of ≃ ± 25 days.

These changes may arise from pulsations of the I star or. Spectropolarimetry of Beta Lyrae: Constraining the Location of the Hot Spot and Jets Jamie R. Lomax1 and Jennifer L.

Hoffman1 1 University of Denver, Denver, CO, USA Abstract: Beta Lyrae is an eclipsing, semi-detached binary system whose state of active mass transfer can reveal details of the nonconservative evolution of binary stars. Variable stars are generally analysed using photometry, spectrophotometry and ements of their changes in brightness can be plotted to produce light regular variables, the period of variation and its amplitude can be very well established; for many variable stars, though, these quantities may vary slowly over time, or.

Beta Decay 2 with the Tables for the Analysis of Beta Spectra produced by the National Bureau of Standards. The notes on beta spectra that accompany the table are excellent.

If N(p)is the probability that an electron is emitted with momentum betweenp and p+dp, then, if the neutrino is massless we have: N(p)=CF(Z,p)p2(E 0 − E e)2 where C is a collection of constants. It begins with a discussion of the interaction of electrons and alpha particles with matter.

The book explains the elastic scattering of electrons by atomic nuclei and the interaction between gamma-radiation and matter. It then introduces topic on beta-ray spectrometer theory and design and crystal diffraction spectroscopy of nuclear gamma rays.

Spectroscopy - Spectroscopy - Theory of molecular spectra: Unlike atoms in which the quantization of energy results only from the interaction of the electrons with the nucleus and with other electrons, the quantization of molecular energy levels and the resulting absorption or emission of radiation involving these energy levels encompasses several mechanisms.

Beta Lyrae orbital phase spectra - posted in Observational Astrophysics: Just finished a month long project collecting spectra of the eclipsing binary Beta Lyrae. Fascinating changes in the spectra as the star goes through primary and secondary eclipses. I dont pretend to understand all that is happening in the spectra, but rewarding all the same.Algol, Beta Lyrae, and W Serpentis: Some New Results for Three Well Studied Eclipsing Binaries.

Light Curve Analysis and Evolutionary Status of the RS CVn type Eclipsing Binary RZ Eridani. Pages Possibly a Strongly Interacting Binary.