Skip to main content

Web Publications

AAVSO: Electronic Journal of the AAVSO (eJAAVSO) AAVSO HOME > publications > ejaavso


The Changing Period of V1303-SAGITTARII

pdf    ps


Amy S. Barton

Maria Mitchell Observatory, Nantucket, MA 02554




V1303 Sgr, an 18-day Population II Cepheid, was studied for period changes. The deviation from a constant period was found to be statistically significant, an dthe data indicate that the period is decreasing at the rate of 0.0025 cycle per century.


Link to ADS abstract, article and citation information

  search engine |  site map |  links |  contact us

AAVSO 49 Bay State Rd. Cambridge, MA 02138 617-354-0484