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Future Plans for the Long Wavelength Array (LWA) North Arm Site: Advancements and Proposals

The LWA Project at the North Arm Site is progressing with the recent installation of 20 dipoles across a 100m diameter area, paving the way for enhanced capabilities such as dual polarization and TBN/TBW functionality. Current proposals include NSF/AAG for Hot Jupiters and the NSF/EARS Proposal on Spectrum Measurement, along with collaborations for undergraduate student support and AFRL projects. The LWA1, operational since 2011, aims for 53 stations to achieve high-resolution observations. Key operators include Greg Taylor, Jayce Dowell, and others dedicated to advancing this cutting-edge telescope.

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Future Plans for the Long Wavelength Array (LWA) North Arm Site: Advancements and Proposals

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  1. LWA Future Plans Greg Taylor (UNM ) on behalf of the LWA Project

  2. North Arm Site • 20 Dipoles installed across 100m diameter • 16 dual polarization cabled up • TBN/TBW capability demonstrated

  3. 16 dipole TBW North Arm Site

  4. LWA Projects

  5. Pending Support • NSF/AAG Proposal (Hot Jupiters) • Undergraduate student support • Software (Jayce Dowell) • NSF/EARS Proposal on Spectrum Measurement • AFRL Proposals • others?

  6. The LWA Instrument • 10-88 MHz Aperture Synthesis Telescope • 4 beams x 2 pol. x 2 tunings x 16 MHz • 2 all-sky transient obs. modes LWA1 State of New Mexico, USA • LWA1 operational in 2011 • Goal of 53 LWA stations, baselines up to 400 km for resolution 2” at 80 MHz with mJy sensitivity • Cost is ~$1M/station

  7. Comparison to other instruments Declination Range Dn (MHz) UTR2: -30° to +60° 33 LOFAR: -11° to +90° 16 Y=VLA:-35° to +90° 3 LWA1: -30° to +90° 16 GMRT: -53° to +90° 10 LWA1 has sensitivity ~25% of all of LOFAR

  8. Pathfinding • LWA – EVLA linkages • Coordinated Observing (e.g., LWA1 transient triggers EVLA) • EVLA 74 MHz upgrades • LWA1 tied into EVLA through WIDAR • LWA1 and space weather • Long Wavelength Intermediate Array (LWIA) • LWAHM under lease, 2 other sites approved • Long Wavelength Array – 53 stations • LWA1 as Pathfinder to DARE, HERA, …

  9. LWA1 Operators • Joe Craig • Jayce Dowell • Steve Ellingson • Jake Hartman • Ken Obenberger • YlvaPihlstrom • Frank Schinzel • Greg Taylor • Hank Tillman • Genevieve Vaive • Chris Wolfe

  10. Thank You for your Support!

  11. Backup Slides

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