Browsing by Author "McCarthy, J. K"

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FG Sagittae: A Newborn R Coronae Borealis Star?

Gonzalez, G; Lambert, D. L; Wallerstein, G; Kameswara Rao, N; Smith, V. V; McCarthy, J. K (The American Astronomical Society, 1998-01)

We have monitored FG Sge's spectroscopic changes since the time just prior to its dramatic fading in 1992 August. The most significant qualitative changes in the spectrum include large variations in the strength of the C2 ...
A search for solar-like oscillations in the stars of M67 with CCD ensemble photometry on a network of 4 M telescopes

Gilliand, R. L; Brown, T. M; Kjeldsen, H; McCarthy, J. K; Peri, M. L; Belmonte, J. A; Vidal, I; Cram, L. E; Palmer, J; Frandsen, S; Parthasarathy, M; Petro, L; Schneider, H; Stetson, P. B; Weiss, W. W (American Astronomical Society, 1993-12)

Results are presented from a large observational project directed toward the detection of solar-like oscillations in an ensemble of open cluster stars. Seven groups collaborated in 1992 January to observe twelve stars in ...

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