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Title: New pulsating variables discovered from the Naini Tal-Cape survey
Authors: Seetha, S
Ashoka, B. N
Joshi, S
Girish, V
Sagar, R
Chaubey, U. S
Gupta, S. K
Keywords: roAP-CP-pulsations-stars;HD 12098 13038-HD 13079-HD 98851
Issue Date: Sep-2002
Publisher: Astronomical Society of India
Citation: BASI, Vol. 30, No. 3, pp. 623 - 629
Abstract: The Naini Tal-Cape survey has been initiated to search for pulsations in chemically peculiar A and F type stars. Many of the magnetic A peculiar type stars exhibit rapid oscillations with periods ranging from 4-16 minutes. These stars are termed as rapidly oscillating Ap stars (roAp) stars. The oscillations are attributed to low order, high overtone p modes. In addition to the Ap stars, this region of the HR diagram also encompasses the non-magnetic 'Am' or metallic lined stars. Some of these Am stars exhibit low overtone 6 Scuti type pulsations. The scientific motivation for a study of these oscillations is discussed along with the results on the variables discovered from the survey.
Appears in Collections:BASI Publications

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