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- W2402993788 abstract "Photoelectric UBV photometry of selected southern-hemisphere cepheids was undertaken at the Cerro Tololo Inter-American Observatory at the No. 2 16-inch telescope in 1967 as part of a larger program (Landolt 1967). The purpose of the study was to provide modern light curves on a standard photometric system, as well as new light elements which will add to the data necessary for a future understanding of the variable periods exhibited by the stars. A refrigerated 1P21 photomultiplier (CTIO No. 25) and CTIO UBV filter set No. 1 together with approximately 15 UBV standard stars, chosen from the list of Johnson and Harris (1954) and observed each night, placed the observations on the UBV photometric system. Red-leak measurements were made when necessary at the telescope. Standard observation and reduction procedures were used (Landolt 1968). The average external probable errors of the photometry, as defined by the UBV standard stars, were less than (W)2 in each instance." @default.
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- W2402993788 date "1971-01-01" @default.
- W2402993788 modified "2023-09-26" @default.
- W2402993788 title "UBV PHOTOMETRY OF THE SOUTHERN CEPHEIDS I CARINAE" @default.
- W2402993788 hasPublicationYear "1971" @default.
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