Astronomy and Astrophysics – Astrophysics
Scientific paper
Feb 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004a%26at...23..123b&link_type=abstract
Astronomical and Astrophysical Transactions, vol. 23, Issue 2, p.123-135
Astronomy and Astrophysics
Astrophysics
7
Scientific paper
2052 magnitude estimates for the Cepheids VY Car, WZ Car and GH Car were made using plates from the Harvard College Observatory photographic plate collection. The data complemented 2398 photoelectric measurements in the B and V filters of the Johnson system, essentially extending the time baselines of O—C data for the stars, which now span more than one century. Evolutionary changes in pulsation period were established for WZ Car and GH Car and were improved for VY Car.
Berdnikov Leonid N.
Turner David G.
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