AAS 199th meeting, Washington, DC, January 2002
Session 103. Instrumentation for Radio Wavelengths
Display, Wednesday, January 9, 2002, 9:20am-6:30pm, Exhibit Hall

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[103.05] 74 MHz Observing with the VLA-PT Link

K. P. Stewart, B. C. Hicks (NRL), W. C. Erickson (U. of Tasmania), N. E. Kassim (NRL), G. Chavez, E. Carlowe, K. Gatlin, M. Claussen, R. A. Perley, D. Mertley (NRAO)

NRAO, with the assistance of astronomers and engineers from the Naval Research Laboratory, has installed a 74 MHz receiver and a removable dipole on the Pie Town VLBA antenna (PT). Recent brief tests of this system show the VLA-PT link appears to work as expected at a frequency of 74 MHz.

The major importance of the link for scientific observations is the factor-of-two improvement in angular resolution for sources with declinations north of about +40 degrees (12 arcseconds at 74 MHz), while maintaining the full sensitivity of the VLA (about 50 mJy/beam for a full track at 74 MHz). We will discuss the scientific and technical aspects of this exciting new capability, now open for proposals in the upcoming A configuration.

If you would like more information about this abstract, please follow the link to http://www.nrao.edu/news/74mhz.shtml. This link was provided by the author. When you follow it, you will leave the Web site for this meeting; to return, you should use the Back comand on your browser.

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