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Browsing by Author "Drake, S. A."

Browsing by Author "Drake, S. A."

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  • Multiwavelength studies of five chromospherically active stars 
    Pandey, J. C.; Singh, K. P.; Sagar, R.; Drake, S. A. (2007)
    We present a multiwavelength study of five chromospherically active stars, including newly obtained optical photometry, low-resolution optical spectroscopy, as well as archival X-ray observations. The bulk of the ...
  • Optical and x-ray studies of chromospherically active stars: FR cancri, HD 95559, and lo pegasi 
    Pandey, J. C.; Singh, K. P.; Drake, S. A.; Sagar, R. (2005-09)
    We present a multiwavelength study of three chromospherically active stars, namely, FR Cnc (BD +16º1753), HD 95559, and LO Peg (BD +22º4409), including newly obtained optical photometry and low-resolution optical spectroscopy ...
  • Photometric variability of four coronally active stars 
    Pandey, J. C.; Singh, K. P.; Sagar, R.; Drake, S. A. (2002)
    We present photometric observations of four stars that are optical counterparts of soft X-ray/EUV sources, namely 1ES 0829+15.9, 1ES0920-13.6, 2RE J110159+223509 and 1ES 1737+61.2. We have dis- covered periodic ...
  • Unravelling the nature of HD81032: A new RS CVn binary 
    Pandey, J. C.; Singh, K. P.; Drake, S. A.; Sagar, R. (2005)
    BVR photometric and quasi-simultaneous optical spectroscopic observations of the star HD81032 have been carried out during the years 2000–2004. A photometric period of 18.802 ± 0.07d has been detected for this star. A large ...

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