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Browsing Publications of Astronomical Society of India by Subject "Radio observations"

Browsing Publications of Astronomical Society of India by Subject "Radio observations"

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  • Infrared and radio observations of IRAS 16571-4029 (RCW 116B). 
    Verma, R. P; Ghosh, S. K; Kulkarni, V. K; Ojha, D. K (Astronomical Society of India, 2003)
    Southern HII region RCW 116B (IRAS 16571-4029) has been mapped simultaneously at two far infrared wavelengths (at 150 and 210 μm) with a resolution of ~1 using the TIFR 1 m balloon-borne telescope. High angular resolution ...
  • Infrared and radio observations towards the ultracompact HII region IRAS 19111+1048. 
    Vig, S; Ghosh, S. K; Kulkarni, V. K; Ojha, D. K; Verma, R. P (Astronomical Society of India, 2003)
    Southern HII region RCW 116B (IRAS 16571-4029) has been mapped simultaneously at two far infrared wavelengths (at 150 and 210 μm) with a resolution of ~1 using the TIFR 1 m balloon-borne telescope. High angular resolution ...
  • IPS survey at 327 MHz for detection of compact radio sources 
    Balasubramanian, V; Janardhan, P; Ananthakrishnan, S; Manoharan, P. K (Astronomical Society of India, 1993)
    In early 1992 a new feed was installed along the focal line of the 530 m long and 30 m wide parabolic cylinder reflector of the Ooty Radio Telescope (ORT). The new feed consisting of 1056 GaAsFET low noise amplifiers, one ...
  • Meteoric activity over a low latitude station, Hyderabad 
    Yellaiah, G; Lokanadham, B (Astronomical Society of India, 1993)
    he radio observations of sporadic meteors, carried out during the period 1983-88, have been studied.
  • Observations of PSR 0950 + 08 at 103 MHz 
    Deshpande, M. R; Vats, Hari Om; Janardhan, P; Bobra, A. D (Astronomical Society of India, 1993)
    n this article we report the possible cause of an enormously large enhancement (burst) in the ratio flux of PSR 0950 + 08. The burst was observed by two radio telescopes at Rajkot and Thaltej separated by 20 km. Simple ...
  • Optical and radio observations of the bright GRB 010222 afterglow: evidence for rapid synchrotron cooling ? 
    Sagar, R; Stalin, C. S; Bhattacharya, D; Pandey, S. B; Mohan, V; Castro-Tirado, A. J; Pramesh Rao, A; Trushkin, S. A; Nizhelskij, N. A; Bremer, M; Castro Ceron, J. M (Astronomical Society of India, 2001)
    We report photometric observations of the optical afterglow of GRB 010222 in V, R and I passbands carried out between 22-27 February 2001 at Nainital. We determine the CCD Johnson BV and Cousins RI photometric magnitudes ...
  • Pulsar work with the upgraded Ooty radio telescope 
    Vivekanand, M (Astronomical Society of India, 1993)
    In 1992 Ooty Radio Telescope (ORT) was fitted with a pre-amplifier for each of its 1056 dipoles; this enhanced its sensitivity by at least a factor of three. A digital hardware was installed for setting ORT's declination ...
  • Radio observations of quadrantid meteor shower 
    Yellaiah, G; Lodanadham, B (Astronomical Society of India, 1993)
    The radio observations of quadrantid meteor shower obtained during the period 1983-88 have been analyzed. Diurnal as well as yearly variations in the quadrantid meteor shower activity have been studied.
  • A Study of the Galactic Star Forming Region IRAS 02593+6016 / S 201 in Infrared and Radio Wavelengths 
    Ojha, D. K; Ghosh, S. K; Kulkarni, V. K; Testi, L; Verma, R. P; Vig, S (Astronomical Society of India, 2003)
    We present infrared and radio observations of IRAS 02593+6016 / S 201 star forming region. A young star cluster is observed in this region, which contains different classes of young stellar objects. The near-infrared (NIR) ...

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