Facilities > VLA > Proposing

Proposing for the VLA

Guide to NRAO User Portal

Access to my.nrao.edu, PST, etc.

Guide to Proposing for the VLA

The VLA Proposal Guide

OSS Archive

Observational Status Summary for previous call for proposals observing semesters (including the current observing semester)

Current OSS

Observational Status Summary for the next observing semester (current call for proposals)

Exposure Calculator

Determines time required to reach certain rms or rms given time on source

Configurations & Deadlines

Detailed schedule of recent & future VLA configurations and NRAO proposal deadlines. When the array is in the "A" configuration, the telescopes extend over the 21 km length of each of the 3 array arms. The array size decreases in the "B" and "C" configurations until, in the "D" configuration, the telescopes are all within 0.6 kilometer of the center.

Frequently Asked Questions

Frequently asked questions about proposing.