76 citations
- Indian Institute of Science BangaloreIN2 papers
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astro-ph2005★ 76 cited
Intra-night Optical Variability of Luminous Radio Quiet QSOs
A. C. Gupta, U. C. Joshi
In the present paper we report the detection of intra-night variability in some of the RQQSOs and one LDQ. To study intra-night variability, we carried out photometric monitoring o…
astro-ph2004
Mapping WR140 from infrared spectroscopy and imaging
P. M. Williams, W. P. Varricatt, A. P. Marston +1
Observations of the 1.083-micron He I line in WR140 (HD 193793) show P-Cygni profiles which varied as the binary system went through periastron passage. A sub-peak appeared on the…