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- Indian Institute of Technology GandhinagarIN282 papers
- Tata Institute of Fundamental ResearchIN161 papers
- Centre National de la Recherche ScientifiqueFR100 papers
- Indian Institute of AstrophysicsIN92 papers
- Chinese Academy of SciencesCN71 papers
- Aryabhatta Research Institute of Observational SciencesIN66 papers
- Inter-University Centre for Astronomy and AstrophysicsIN62 papers
- Harish-Chandra Research InstituteIN54 papers
- Indian Institute of Science BangaloreIN54 papers
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10 papers · 2 filters
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…
Multi-wavelength observations of an unusual impulsive flare associated with CME
Wahab Uddin, Rajmal Jain, Keiji Yoshimura +5
We present the results of a detailed analysis of multi-wavelength observations of a very impulsive solar flare 1B/M6.7, which occurred on 10 March, 2001 in NOAA AR 9368 (N27 W42).…
L & M band infrared studies of V4332 Sagittarii - detection of the water-ice absorption band at 3.05 microns and the CO fundamental band in emission
Dipankar P. K. Banerjee, Watson P. Varricatt, Nagarhalli M. Ashok
L and M band observations of the nova-like variable V4332 Sgr are presented. Two significant results are obtained viz. the unusual detection of water ice at 3.05 microns and the fu…
A search for radioactive 26Al in the nova-like variable V4332 Sagittarii
D. P. K. Banerjee, N. M. Ashok, O. Launila +2
We have searched for the important radioactive isotope 26Al in the nova-like source V4332 Sgr. Recent results from gamma ray astronomy show that there is pervasive emission of the…
Optical studies of V4332 Sagittarii - detection of unusually strong KI and NaI lines in emission
D. P. K. Banerjee, N. M. Ashok
We present optical observations of the enigmatic nova-like variable V4332 Sgr. The importance of this object should not be understated since it is considered to be the possible pro…
Self lensing effects for compact stars and their mass-radius relation
A. R. Prasanna, Subharthi Ray
During the last couple of years astronomers and astrophysicists have been debating on the fact whether the so called `strange stars' - stars made up of strange quark matter, have b…