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Friday, April 24, 2020 | History

3 edition of The field horizontal-branch star HD 109995 found in the catalog.

The field horizontal-branch star HD 109995

The field horizontal-branch star HD 109995

new results with coadded ultraviolet and optical region spectra

by

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  • 2 Currently reading

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


Edition Notes

Other titlesField horizontal branch star HD 109995
StatementSaul J. Adelman and David S. Leckrone
SeriesNASA contractor report -- NASA CR-176327
ContributionsLeckrone, D. S., United States. National Aeronautics and Space Administration
The Physical Object
FormatMicroform
Pagination1 v
ID Numbers
Open LibraryOL14982751M


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The field horizontal-branch star HD 109995 Download PDF EPUB FB2

The item The field horizontal-branch star HD new results with coadded ultraviolet and optical region spectra, Saul J. Adelman and David S. Leckrone represents a specific, individual, material embodiment of a distinct intellectual or artistic creation found in Indiana State Library.

The field horizontal-branch star HD 109995 book Get The field horizontal-branch star HD 109995 book from a library. The field horizontal-branch star HD new results with coadded ultraviolet and optical region spectra.

[Saul J Adelman; D S Leckrone; United States. National Aeronautics and Space Administration.]. Buy The field horizontal-branch star HD new results with coadded ultraviolet and optical region spectra (SuDoc NAS ) by Saul J.

Adelman (ISBN:) from Amazon's Book Store. Everyday low prices and free delivery on eligible : Saul J. Adelman. The Fundamental Parameters of Field Horizontal-Branch Stars Fine analyses of the sharp-lined prototype FHB stars HD and show an internal consistency which justifies this effort. From observations of infrared lines, oxygen and nitrogen abundances of the prototype field horizontal-branch stars HD and HDthe somewhat similar star HDand the sharp-lined Population I A stars Theta Leo and The field horizontal-branch star HD 109995 book have been obtained, as well as carbon abundances of HD.

Buy An Atlas of the Field Horizontal Branch Stars HdHdand Hd in the Photographic Region by Saul J. Adelman, W A. Fisher, Graham Hill (ISBN:) from Amazon's Book Store.

Everyday low prices and free delivery on eligible : Saul J. Adelman, W A. Fisher, Graham Hill. By applying these criteria, we know the classical examples of bright field horizontal-branch stars as HD (V=), HD (V=), or HD (V=) (cf.

Oke et al., ; Kodaira et al., ). The three stars mentioned are all of A-type and provide us with a reference system of high accuracy as for A-type horizontal-branch by: 2. Ultraviolet and optical data for the Hg-Mn stars Coronae Borealis and Cancri is being combined with data for the field-horizontal-branch population II star HD in order to derive the element abundances in their photospheres.

Data collected by IUE is being utilized. The WIDTH6 atmosphere code of Kurucz () is used to rederive atmospheric metal abundances for five A-type field horizontal-branch stars. Fe/H values for HD and HD are found to be -1 Author: Tõnu Kipper.

If such "unevolved" stars are (1) actually cluster members and (2) correctly represented by the colours given above, then two possible field representatives are the following VE B-V U-B I 8 I MyI U I V I W HD 22, 8'0 + +Om03 +Om02 +05 + HB +3 -0 -8 +18 MS HD8 +0 -0 -E +0 -5 HB +3 Cited by: Stars from the Horizontal Branch In Fig.

10 the case of HD (B2_ V1 _ - ) has been examined. This star has been compared with the A7 stars from section 4 and clearly shows a weaker blocking effect in the spectral range covered by the filters B, and by:   Young Star HD NASA Image and Video Library.

This image shows the dusty disk of planetary material surrounding the young star HDlocated light-years.

O Scribd é o maior site social de leitura e publicação do mundo. For that one has to know Mv at relevant B-V with well defined [M/H] for each type of horizontal-branch star. The nature of the horizontal-branch stars is reviewed with emphasis on all the open questions regarding evolution and structure, questions which show that these stars are not the easiest objects in the distance scale discussions.

Spectrophotometry of Peculiar B-Stars and A-Stars - Part Nine - HD HD 9-TAURI HD HD LIBRAE and HD NASA. Start studying AST Learn vocabulary, terms, and more with flashcards, games, and other study tools. a region on the H-R diagram defined by low-mass stars evolving from the main sequence toward the horizontal branch, stars burns hydrogen shell around the helium core, up to L and ends in helium flash the shift from the horizontal.

Full text of "Year book - Carnegie Institution of Washington" See other formats. Stellarium User Guide Georg Zotti, Alexander Wolf, Matthew Gates, Barry Gerdes c Georg Zotti. Co.