COS AV-04 is the Pre-Launch Calibration Data Document for the Cosmic Origins Spectrograph (COS).
This website exists to help facilitate the development and maintenance of AV-04 by the individuals of
the COS Calibration Working Group (CALWG),
who come from a variety of organizations, scattered across the country.
(Click to email the CALWG)
Link to the Current Revision (Rev A) of AV-04 as PDF, or as
a Word DOC.