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| Paper: |
Implementing the 74 MHz VLA-PT Link |
| Volume: |
345, From Clark Lake to the Long Wavelength Array: Bill Erickson's Radio Science |
| Page: |
345 |
| Authors: |
Hicks, B.C.; Stewart, K.P.; Kassim, N.E.; Erickson, W.C.; Carlowe, E.; Atencio, N.; Chavez, G.; Gatlin, K.; Perley, R.A.; Claussen, M.; Mertely, D. |
| Abstract: |
NRAO, with the assistance of engineers and astronomers from the Naval Research Laboratory (NRL), has installed a 74 MHz receiver and removable dipole on the Pie Town VLBA antenna (Pt). First fringes with this system represent another major milestone for low-frequency radio astronomy by extending to the already unprecedented baseline length of >50 km. The importance of the link for scientific observations is the 2X 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). |
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