Radio observations (64 Ergebnisse)

Zustand: Good. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good.

Zustand: Very Good. Pages intact with possible writing/highlighting. Binding strong with minor wear. Dust jackets/supplements may not be included. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good.

Hardcover. Zustand: Good. No Jacket. Missing dust jacket; Pages can have notes/highlighting. Spine may show signs of wear. ~ ThriftBooks: Read More, Spend Less.

Paperback. Zustand: Brand New. 251 pages. 8.75x6.50x1.00 inches. In Stock.

Zustand: Good. 1965. Hardcover. "Commissioning organisation: by J. A. Roberts and M. M. Komesaroff. (127)-156 p. diagrams. 25 cm. Associated Names: Komesaroff, M. M. Pamphlet. Nice copy. Slight dustwear to covers. Faded stamp in corner of front cover." Keywords: Pamphlet. Not a first edition copy. . . . …

Zustand: New. In English.

Zustand: Good. 1965. Hardcover. "Commissioning organisation: by J. A. Roberts and M. M. Komesaroff. (127)-156 p. diagrams. 25 cm. Associated Names: Komesaroff, M. M. Pamphlet. Nice copy. Slight dustwear to covers. Faded stamp in corner of front cover." Keywords: Pamphlet. Not a first edition copy. . . . Books ship from the US and Ireland. …

Hardcover. Zustand: Used-Very Good. Pictorial boards. 4to. xv & 474 pp. Slight shelf wear to boards. Altogether a copy in Very Good condition.

Zustand: New. In English.

Spiral bound. Zustand: Very Good-. No Dust Jacket. Corners bumped.; The author's doctoral dissertation. ; quarto; 178 pages.

Paperback. Zustand: Brand New. 80 pages. 8.66x5.91x0.19 inches. In Stock.

dies ist ein regulär ausgesondertes Bibliotheksexemplar aus einer wissenschaftlichen Bibliothek mit der üblichen Signatur und Stempel, keine Markierungen-Anstreichungen-Stempel im Text, Format groß 8°, 345 Seiten, LEINENAUSGABE, sehr gut erhaltenes Buch. Shipping to abroad insured with tracking number.…

Zustand: New. In English.

Zustand: New. In English.

Hardcover. Zustand: Gut. Ex-library in GOOD condition with library-signature and stamp(s). Some traces of use. Ehem. Bibliotheksexemplar mit Signatur und Stempel. GUTER Zustand, ein paar Gebrauchsspuren. C-00586 9783540627975 Sprache: Englisch Gewicht in Gramm: 550.

Paperback. Zustand: Brand New. reprint edition. 243 pages. 9.26x6.11x0.60 inches. In Stock.

Hardcover. Zustand: Brand New. 209 pages. 9.50x6.25x0.75 inches. In Stock.

Taschenbuch. Zustand: Neu. Neuware - According to astrophysical theory, magnetic fields should play an important role in the structure and dynamics of the interstellar medium. While astronomical observations confirm this directly, the observational record is sparse. This is because magnetic fields can only be measured via polarimetric methods, and most of these methods can only provide an indirect inference of the magnetic field strength. The Zeeman effect, however, is the only method by which in situ measurements of astrophysical magnetic fields can be made.The spectral signature of Zeeman splitting is imprinted in the circular polarization spectrum of radiation received from an astronomical source. In order to make a reliable detection at radio frequencies, one must employ careful calibrations and account for instrumental effects. We begin this dissertation by covering the fundamentals of radio spectropolarimetry. We then offer historical details regarding the Zeeman effect and its use in single-dish radio observations. We present an outline of how one accurately measures the Zeeman effect using large single-dish radio telescopes. We follow this with results from an assessment of the polarization properties of the 100 m Green Bank Telescope (GBT).We then present magnetic field detections made via the Zeeman effect from the Galactic scale to cosmological distances. We begin with GBT observations of 21 cm emission toward the Taurus Molecular Cloud (TMC) complex. Recent observations have suggested that fields stronger than 20 microgauss are located at the distance of the TMC. Our Zeeman observations rule out fields of this strength, but do show a clear +5 microgauss detection from HI emission at the velocity of the TMC. More surprisingly, we have discovered multiple detections of a line-of-sight magnetic field of strength roughly +40 microgauss in a filament near -50 km/s. We then present a windfall of detections of milligauss-strength magnetic fields in starburst galaxies. Detected by means of Zeeman splitting of 1667 MHz hydroxyl megamaser emission, these Arecibo and GBT results represent the first extragalactic Zeeman measurements to probe the field inside an external galaxy. Finally, we climb the cosmological distance ladder, and present a dramatic GBT detection of a magnetic field in a damped Lyman-alpha absorber at a redshift of 0.692. We discuss possible scenarios for the creation of an 84 microgauss field at a look-back time of 6.4 Gyr.…

Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - This volume provides an overview of our current understanding of the physics related to: coronal structures and coronal heating; large-scale coronal shock waves and coronal mass ejections; particle beams in the solar corona and in the interplanetary medium; and explosive energy-release phenomena and particle acceleration. The different articles give a well-balanced presentation of relevant observations based upon various techniques, models and theories, providing a global view of these phenomena and of the underlying physics. In-situ measurements of particles and waves with ULYSSES and WIND and spectral and imaging data from SOHO and YOHKOH provide an unprecedented richness of relevant data. For their better understanding, radio observations - also included in this book - play a key role.…

Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - In this volume are collected scientific research reports written in recent years at the Radio-Astronomy Laboratory in the field of radio-astronomical apparatus and methods of ob servation. Modern radiometers of high sensitivity, using masers and parametric amplifiers, have been installed at the R T-22 radio telescope of the Laboratory's Radio-Astronomy station. Some of the papers are devoted to a description of these original radiometers and to their operating conditions. Considerable space is given to a description of the meter-wave equipment and to the ad justment of the DKR-1000 diapason cruciform radio telescope. Two papers describe radio in terferometers with radio relaying. This method of increasing the resolving power is extreme ly effective and it is expected that it will be further developed under laboratory conditions, primarily in the meter wave range. Problems of radio-telescope design occupy an important place in contemporary radio astronomy and radio engineering. Three articles are devoted to this important line of work. In 1966, an experiment was carried out at the Radio-Astronomy Laboratory on the inves tigation of the solar wind by a radio-astronomical method. The experiment gave substantially new data concerning the nonuniformity of the plasma around the sun; the experimental part of the work carried out is described in the collection.…

Buch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - This book discusses the effect of communication strategies in the course of China's national image building from both a theoretical and a practical perspective. The research data are collected via researcher's in-depth observation as well as focus group analysis and case study of selected Chinese radio and TV networks. On the basis of the empirical study and drawing on theories of international communication and political communication, this book also introduces an analytical framework that can be used to evaluate the effect of communication strategies in practice. Especially, the framework is applied to systematically analyze the formation and application of Chinese Communist Party's communication strategy with an aim at improving the national image and increasing its global influence. This book is of interest to graduate students and researchers who are interested in the broadcast communication in China.…

Paperback. Zustand: Brand New. 1971 edition. 184 pages. 10.63x8.27x0.45 inches. In Stock.

Couverture souple. Zustand: Bon. Sans date (1936). Médecine. 15x24 cm. 138 p. Broché. Etat correct. Couverture légèrement défraîchie. Intérieur en bon état. Passages soulignés et/ou notes, accolades en marge au crayon de papier. Dos renforcé en tête. Notes en page de titre. in-8° Envoi de l'auteur ou Dédicace de l'auteur ou Signé par l'auteur. Envoi autographe.…

FIRST EDITION. 4to. Pages 99-102. [Entire issue: 1-130 pp.] 4 figs., 1 table. Pictorial wrappers. Fine. with: KLIORE, et al. "Polar ionosphere of Venus near the terminator from early pioneer Venus Orbiter radio occultations." In: Science, Vol. 203, No. 4382, 23 February 1979. Washington, D.C.: American Association for the Advancement of Science, 1979. FIRST EDITION. 4to. Pages 695-826. [Entire issue: 1-130 pp.] 3 figs., 1 table. Pictorial wrappers. Fine. …

Zustand: Sehr gut. Seiten 239-251. Front cover with light edge and stamp. - Very good copy. Sprache: Englisch Gewicht in Gramm: 200 Gr. 8° (22,5-25 cm). Orig.-Broschur mit Klammerheftung. [Softcover / Paperback]. Reprinted form "The Astrophysical Journal", Vol. 138, No. 1, 1963.

geklammerte Broschur gr. 8°. 297-307 SS. mit 4 Figuren und 1 Tabelle. ausgeschiedenes Bibliotheksexemplar. untere Ecke leicht angeknickt. etwas gebräunt. sehr guter Zustand. Reprinted from the Australian Journal of Physics", 20. in englischer Sprache (in english).

geklammerte Originalbroschur. gr. 8°. 59-78 SS. mit 5 Figuren und 3 Tabellen. ausgeschiedenes Bibliotheksexemplar. kl. Druckstellen von Heftklammern. gebräunt. sehr guter Zustand. Reprinted from the Australian Journal of Physics", 23. in englischer Sprache (in english).

geklammerte Originalbroschur. gr. 8°. 725-730 SS. mit 1 doppelseitgen Tabelle. ausgeschiedenes Bibliotheksexemplar. gebräunt. sehr guter Zustand. Reprinted from the Australian Journal of Physics", 20. in englischer Sprache (in english).

Softcover. Zustand: sehr gut. Doppelblatt, Gr 8°, 887 - 888 Seiten,Stempel : " ausgeschieden", einwandfreit erhalten. Kein Eintrag . Reprinted from Nature, Vol.184, 1959. The Institute of Theoretical Astrophysics Reprint No. 29. in englischer Sprache (in english).

geklammerte Originalbroschur. gr. 8°. 493-500 SS. mit 3 Figuren und 1 Tabelle. ausgeschiedenes Bibliotheksexemplar. Ecken leicht angeknickt. gebräunt. sehr guter Zustand. Reprinted from the Australian Journal of Physics", 21. in englischer Sprache (in english).