Provided below is a suite of custom tools developed by the Green Bank Software Team to help analyze your GBT Data.


Interactive package for reduction and analysis of GBT spectral line data.

GBT Pipeline

Assists users in processing large data sets observed with spectral line backends on the GBT


A large suite of pulsar search and analysis software


Common Astronomy Software Applications (access required)

Data Archive Policy

All scientific data from NRAO and GBO telescopes are stored in an archive (with the current exception of some pulsar data taken with the GBT’s GUPPI backend). The archive contains the raw data: GBT files in FITS binary table format, export files from the VLA, and FITS-IDI files from the VLBA, including correlated data from any non-VLBA telescopes that have been used in conjunction with the VLBA. These data are reserved for the exclusive use of the observing team for a fixed period after the last observing session of a project has been completed. This proprietary period is 12 months following the last observation.

In certain circumstances (e.g. multi-epoch monitoring projects or projects that require several VLA configurations) the default proprietary period may be lengthened by the NRAO Time Allocation Commitee. Additonally, some Rapid Response Science proposals, in particular “Exploratory Time” and “Target of Opportunity”, have shorter proprietary periods. All data, taken as part of instrument calibration, engineering or software testing are immediately public with no proprietary period.

Data Archive Tool

Used to retrieve archived data

GBT Data reduction computers

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