Author : John Louis Emil Dreyer
Publisher : Sky Publishing Corporation
Page : 314 pages
File Size : 42,30 MB
Release : 1988
Category : Nature
ISBN :
This essential amateur astronomer's reference is an updated and expanded edition of J. L. E. Dreyer's famous New General Catalogue, providing visual data and notes for 13,226 deep-sky objects.
Author : Ernst Paunzen
Publisher : Cuvillier Verlag
Page : 248 pages
File Size : 23,5 MB
Release : 2020-10-13
Category : Science
ISBN : 3736962835
This book describes the characteristics and applications of the Δa photometric system, which measures the stellar flux at around 520 nm. Since its introduction in 1976 by Hans-Michael Maitzen, the Δa system has not only been successfully applied to the classical chemically peculiar stars of the upper main sequence, but also to galactic and extragalactic star clusters. New possible applications for studying galaxies, quasars and other astrophysical objects of interest are discussed.
Author : Ronald J. Buta
Publisher : Cambridge University Press
Page : 13 pages
File Size : 14,88 MB
Release : 2007-03-08
Category : Science
ISBN : 0521820480
New illustrated atlas on modern galaxy classification for astronomy researchers, students, and amateurs.
Author : Ivy Press
Publisher : Heritage Capital Corporation
Page : 112 pages
File Size : 35,48 MB
Release : 2006-06
Category : Antiques & Collectibles
ISBN : 9781599670591
Author : Mark Van Winkle
Publisher : Heritage Capital Corporation
Page : 352 pages
File Size : 39,36 MB
Release : 2009-07
Category : Antiques & Collectibles
ISBN : 9781599673790
Author : Ivy Press
Publisher : Heritage Capital Corporation
Page : 130 pages
File Size : 34,63 MB
Release : 2005-12
Category : Antiques & Collectibles
ISBN : 9781599670133
Author : Space Telescope Science Institute (U.S.)
Publisher :
Page : 192 pages
File Size : 35,30 MB
Release : 1990
Category : Astronomy
ISBN :
Author : Mark Van Winkle
Publisher : Heritage Capital Corporation
Page : 392 pages
File Size : 14,54 MB
Release : 2009-06
Category : Antiques & Collectibles
ISBN : 9781599673745
Author :
Publisher :
Page : 578 pages
File Size : 28,66 MB
Release : 1991
Category : Ephemerides
ISBN :
Author : Santiago Erroz-Ferrer
Publisher : Springer
Page : 207 pages
File Size : 29,76 MB
Release : 2015-11-21
Category : Science
ISBN : 3319263986
This thesis discusses the evolution of galaxies through the study of the morphology, kinematics, and star formation properties of a sample of nearby galaxies. The main body of the thesis describes the kinematic observations with the GHaFAS Fabry-Perot instrument on the William Herschel Telescope of a sample of 29 spiral galaxies. The work is closely related to the Spitzer Survey of Stellar Structure in Galaxies, and uses the mid-infrared data of that survey to determine key parameters of the galaxies studied. From these data, important results are obtained on streaming and other non-circular motions in galaxies, on the distribution and rates of star formation, and on how correlations of these parameters and of the rotation curve shape with basic galaxy parameters yield clues on the evolutionary processes taking place in disk galaxies.
