scholarly journals Evidences of Rapid Environmental Evolution of Obhur Creek, Eastern Coast of Red Sea: Physical and Chemical Properties

2017 ◽  
Vol 27 (1) ◽  
Author(s):  
Amr El-Maradny ◽  
Yasser Shaban ◽  
Radwan al-Farawati ◽  
Mohamed Orif ◽  
Mohamed Ghandourah
Keyword(s):  
Red Sea ◽  
Chemical Properties ◽  
Eastern Coast ◽  
Physical And Chemical Properties ◽  
Environmental Evolution ◽  
Physical And Chemical ◽  
And Chemical Properties

Statistical criteria of stellar population types

1966 ◽  
Vol 24 ◽  
pp. 101-110
Author(s):  
W. Iwanowska
Keyword(s):  
Stellar Population ◽  
Chemical Properties ◽  
Spectrophotometric Study ◽  
Physical And Chemical Properties ◽  
Population Type ◽  
The Galaxy ◽  
Distribution Parameters ◽  
Physical And Chemical ◽  
Statistical Criteria ◽  
And Chemical Properties

In connection with the spectrophotometric study of population-type characteristics of various kinds of stars, a statistical analysis of kinematical and distribution parameters of the same stars is performed at the Toruń Observatory. This has a twofold purpose: first, to provide a practical guide in selecting stars for observing programmes, second, to contribute to the understanding of relations existing between the physical and chemical properties of stars and their kinematics and distribution in the Galaxy.

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