Other
Scientific paper
Jan 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006oejv...19....1b&link_type=abstract
Open European Journal on Variable Stars, vol. 19, p.1
Other
Scientific paper
We have measured the period and amplitude of the new red variable star V38 (L414), of M13 (NGC 6205, C 1639+365), using CCDs and amateur telescopes (35.5-, 30.5- and 20.3-cm) from Spain in the years 2001-2005. The analysis of our CCD frames shows that V38 is a red variable star with a period of approximately 81 days, and low amplitude nearly 0.08 magnitudes: the period agrees with Osborn' s (1977) measures, but the period and amplitude with Kopacki' s et al. (2003) data. Also for 14 radial velocities published we find a pulsating period P = 83 days, consistent with the others three periods founded.
Bordonau Violat F.
Gago Diez A.
Heras Arranz T.
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