Nature of Meterwave Luminous Objects and Search for Electron-Cyclotron Maser Emission

Details Nature of Meterwave Luminous Objects and Search for Electron-Cyclotron Maser Emission Nature of Meterwave Luminous Objects and Search for Electron-Cyclotron Maser Emission

Sep 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aspc..407..260d&link_type=abstract

The Low-Frequency Radio Universe ASP Conference Series, Vol. 407, proceedings of the conference held 8-12 December 2008, at Nati

Astronomy and Astrophysics

Astrophysics

Scientific paper

Meterwave luminous objects, which are bright at the frequency 74 MHz but very faint at 1.4 GHz in VLA surveys (VLSS and NVSS), have special characteristics: very steep spectra and a distinctive distribution in the sky. They are possibly radio relics, ultra-steep spectrum radio galaxies, and Galactic objects such as pulsars, cool dwarfs, and extrasolar planets. We present a preliminary result of our attempt to identify them with possible astronomical objects. We observed several candidates for electron-cyclotron maser emission from cool dwarfs with GMRT at 235 MHz, and located the radio source VLSS 0406.1+0251 to be within 0.5'' near the M3 dwarf LSPM 0406+0251.

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