Computer Science – Numerical Analysis
Scientific paper
Apr 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995apj...442..778h&link_type=abstract
Astrophysical Journal (ISSN 0004-637X), vol. 442, no. 2, Part 1, p. 778-793
Computer Science
Numerical Analysis
7
Cool Stars, Data Bases, Late Stars, Spectrum Analysis, Stellar Rotation, Stellar Spectra, Stellar Spectrophotometry, Continuous Spectra, Data Reduction, H Alpha Line, Numerical Analysis
Scientific paper
This is the first in a series of papers devoted to the ongoing long-term monitoring program of activity cycles in cool stars at Lowell Observatory. In this paper we discuss the various spectral diagnostics we have at our disposal and how we calibrate these diagnostics to flux. We then present our current database for four well-studied stars, HD 10700, HD 22049, HD 39587, and the Sun, comparing our results to results obtained by other investigators and discussing how our new database complements existing work. With the same data we demonstrate our ability to detect activity cycles and rotational modulation in a variety of diagnostic lines for stars of widely differing activity levels and spectral types.
Gibb Erika Lynne
Hall Jeffrey Clifton
Lockwood Wesley G.
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