Studies of "Irregularity" in Pulsating Red Giants. III. Many More Stars, an Overview, and Some Conclusions

Details Studies of "Irregularity" in Pulsating Red Giants. III. Many More Stars, an Overview, and Some Conclusions Studies of "Irregularity" in Pulsating Red Giants. III. Many More Stars, an Overview, and Some Conclusions

Jun 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011javso..39....1p&link_type=abstract

The Journal of the American Association of Variable Star Observers, vol. 39, nr. 1, p. 1

Physics

1

Scientific paper

We have analyzed AAVSO visual observations of an additional 85 "irregular" (L-type) pulsating red giants, using Fourier and self-correlation analysis; see JAAVSO, 37, 71 (2009) and JAAVSO, 38, 161 (2010) for details of the methods and previous results. We have categorized the variability of each star (periodic/semiregular, irregular, or not significantly variable), and noted the presence of various spurious effects arising from the visual observing process. Finally, we have suggested which stars should be highest priority for further visual or photoelectric observation, and which could reasonably be dropped from the visual program, and why.

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