Astronomy and Astrophysics – Astronomy
Scientific paper
May 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009astl...35..311b&link_type=abstract
Astronomy Letters, Volume 35, Issue 5, pp.311-320
Astronomy and Astrophysics
Astronomy
Scientific paper
From December 2006 to January 2008, we performed 1699 BV I c observations for 46 low-amplitude Cepheids discovered in the course of the ASAS project using the 76-cm telescope of the South-African Astronomical Observatory (SAAO). We provide the tables of observations and V light and B- V and V- I c color curves. These new observations, along with data from the ASAS-3 catalog, have been used to improve the elements of the light variations. Our data allow the number of known Galactic low-amplitude Cepheids to be almost doubled. This makes it possible to increase the number of distance indicators suitable for studying the structure of the inner Galactic arms by almost 15%.
Berdnikov Leonid N.
Kniazev Alexei Y.
Kravtsov Valery V.
Pastukhova Elena N.
Turner David G.
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