Identification of beryllium hydride isotopomer lines in sunspot umbral spectra

A high resolution spectrum of FTS sunspot umbra of NSO/Kitt Peak was used to conduct a search for the molecular absorption lines due to BeH, BeD and BeT isotopomers. Analysis led to estimates of identification of the molecular lines of bands A - X (0,0), (1,1) and (2,2) for BeH, A - X (0,0), (1,1),...

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Bibliographic Details
Main Authors: Shanmugavel R., Bagare S.P., Rajamanickam N., Kumar Balachandra K.
Format: Article
Language:English
Published: Astronomical Observatory, Department of Astronomy, Belgrade 2008-01-01
Series:Serbian Astronomical Journal
Subjects:
Online Access:http://www.doiserbia.nb.rs/img/doi/1450-698X/2008/1450-698X0876051S.pdf
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Summary:A high resolution spectrum of FTS sunspot umbra of NSO/Kitt Peak was used to conduct a search for the molecular absorption lines due to BeH, BeD and BeT isotopomers. Analysis led to estimates of identification of the molecular lines of bands A - X (0,0), (1,1) and (2,2) for BeH, A - X (0,0), (1,1), (2,2) and (3,3) for BeD and of A - X (0,0), (1,1) and (2,2) for BeT. Among the identified lines, those which are well resolved were selected for measurements to calculate equivalent widths. The values of effective rotational temperature T were estimated for bands A - X(1,1) and (2,2) of BeH, A - X(1,1) of BeD and A - X(2,2) of BeT to be 4228K, 4057K, 3941K and 3243K respectively.
ISSN:1450-698X
1820-9289