戻る / Previous page

  • In Stock
  • Special Price

A Survey of Radial Velocities in the Zodiacal Dust Cloud

A Survey of Radial Velocities in the Zodiacal Dust Cloud
Author
May, Brian Harold 
Publisher
Springer-Verlag 
Publication Date
Aug, 2008 
ISBN
0387777059 or 9780387777054
HARDCOVER 
215 Pages
出版済 弊社に在庫ございます。
In Stock

¥ 15,894 (tax included)

Description

The Zodiacal Light, that misty diffuse cone of light seen in the West after Sunset and the East before Sunrise, is a beautiful and intriguing phenomenon. Even though everyone can enjoy the sight from a suitably dark location, it is poorly understood, and has been the subject of relatively little research. Brian May began his research into the subject in 1970, and was finally awarded his PhD in 2007, after a hiatus of more than 30 years pursuing his other career as guitarist with his rock band Queen. This book is Brian's thesis, and as such presents the results of his research for astronomers. This thesis documents the building of a pressure-scanned Fabry-Perot Spectrometer, equipped with a photomultiplier and pulse-counting electronics, and its deployment at the Observatorio del Teide at Izana in Tenerife, at an altitude of 7,700 feet (2,567 m), to record high-resolution spectra of the Zodiacal Light. The aim was to achieve the first systematic mapping of the Magnesium I (MgI) absorption line in the night sky. More than 250 scans of both morning and evening Zodiacal Light were obtained, in two observing periods in 1971 and 1972. The scans showed profiles modified by various Doppler-shifted components with respect to the unshifted shape seen in daylight. The set of spectra obtained is compared with predictions made from a number of different models of a dust cloud, assuming various distributions of dust density as a function of position and particle size, and differing assumptions about their speed and direction. The observations fit predominantly prograde models fairly well, but show a morning-evening asymmetry, different in the two observing periods. Models are investigated containing various components, including prograde and retrograde orbiting dust around the Sun, a drift of interstellar material though the Solar System, and light from distant emitting matter. The implications for possible asymmetries of the Zodiacal Cloud are discussed. Other researches on the Zodiacal Dust Cloud are reviewed, including recent insights into its structure, orientation, and evolution. Brian's observations are evaluated in this context.

Contents

Introduction
The Zodiacal Light, The Phenomenon
Preparations and experimental details 1971-1974
Reduction of the Data
Interpretation of results in terms of physical models
Current developments and future plans
Appendix 1 program ZLPLT
Appendix 2 programs LSQFIT, GAUSSN
Appendix 3 programs POLYPT, FLEXPT, MINIPT, MINIPS, GAUSPT
Appendix 4 programs STREAM, CONVL
Appendix 5 Hicks, May & Reay NATURE paper, 1972
Appendix 6 Hicks, May & Reay MNRAS paper, 1974

送料無料にてお届け

ご注文商品は海外からのお取り寄せのため,納期は3~5週間程頂きます。入荷の遅延,出版延期など納期に遅れが見込まれる場合はメールにてお知らせ致します

公費/校費/社費でのお支払い

ご注文の際,お支払方法を選択して頂く画面が表示されますので,「公費/校費/社費」をお選び頂き必要書類をご指定下さい。公費/校費/社費の場合でも、HP掲載価格で承ります。

書籍が見つからない場合

お問い合わせメールより書籍のタイトルや ISBNなど、お手持ちの情報をお知らせ下さい。お見積り、ご注文を承ります。

SSL グローバルサインのサイトシール