Introduction

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The Long Baseline Observatory (LBO) invites scientists to participate in the LBO's Semester 2017A Call for Proposals for the Very Long Baseline Array (VLBA), the High Sensitivity Array (HSA), and the Global 3mm VLBI Array (GMVA).

The submission deadline for Semester 2017A proposals is Monday, 1 August 2016, at 17:00 EDT (21:00 UTC).

The LBO especially wishes to highlight continuing opportunities for joint observations with the Chandra X-ray Observatory, the Hubble Space Telescope and the Swift Gamma-Ray Burst Mission.

The LBO strongly encourages proposers to read through the "News and Opportunities" page carefully as there have been a number of changes made to instrument availability and student support opportunities for 17A.

Proposal preparation and submission remain via the NRAO Proposal Submission Tool (PST) available at NRAO Interactive Services. Note that PST use requires registration.  Proposers who need assistance with proposal preparation or have questions regarding the Call or VLBA capabilities should submit help requests via the NRAO Helpdesk.

In semester 2017A, there will be fewer hours available for Open Skies observing than there has been in the past. This is a reflection of the change in funding sources for the VLBA - a larger fraction of the VLBA budget will be coming from the US Naval Observatory.

Along with the reduced number of hours available for science we may also face reduced scheduling flexibility.  The LBO will work with individual observers to optimize the observing efficiency and scientific productivity of the VLBA as we move into this new operating model.

Connect with NRAO

The National Radio Astronomy Observatory and Green Bank Observatory are facilities of the U.S. National Science Foundation operated under cooperative agreement by Associated Universities, Inc.

Founded in 1956, the NRAO provides state-of-the-art radio telescope facilities for use by the international scientific community. NRAO telescopes are open to all astronomers regardless of institutional or national affiliation. Observing time on NRAO telescopes is available on a competitive basis to qualified scientists after evaluation of research proposals on the basis of scientific merit, the capability of the instruments to do the work, and the availability of the telescope during the requested time. NRAO also provides both formal and informal programs in education and public outreach for teachers, students, the general public, and the media.

The National Science Foundation (NSF) is an independent federal agency created by Congress in 1950 "to promote the progress of science; to advance the national health, prosperity, and welfare; to secure the national defense..."

AUI collaborates with the scientific community and research sponsors to plan, build, and operate cutting-edge facilities. We cultivate excellence, deliver value, enhance education, and engage the public.