ISR 2024-05: COS LP6 Exploratory Resolution Program
March 28, 2024K. Rowlands et al.
About COS
The Cosmic Origins Spectrograph (COS) was installed on the Hubble Space Telescope (HST) in May 2009. COS performs high-sensitivity, medium- and low-resolution spectroscopy of astronomical objects in the 815-3200 Å wavelength range. COS significantly enhances the spectroscopic capabilities of HST at ultraviolet wavelengths, providing observers with unparalleled opportunities for observing faint sources of ultraviolet light.
The primary science objectives of the instrument are the study of the origins of large scale structure in the Universe, the formation and evolution of galaxies, the origin of stellar and planetary systems, and the cold interstellar medium.
This COS spectrum of a massive star in the LMC encodes information about the properties of its stellar wind, the intervening interstellar and circum-galactic media, enabling a wide range of legacy studies.
General Instrument Status
COS/FUV is operating nominally.
COS/NUV is operating nominally.
Helpful Links
HST Spectroscopic Legacy Archive (HSLA)
Program Information
COS Instrument Resources
Recent News
Recently Published Documents
Instrument Science Reports (ISRs)
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ISR 2024-04: Cycle 30 COS/FUV Spectroscopic Sensitivity Monitor
March 27, 2024K. Rowlands & R. Sankrit -
ISR 2024-03 : COS Lifetime Position 6 Enabling Summary
February 19, 2024K. Rowlands et al. -
ISR 2024-02: Cycle 29 COS FUV Wavelength Scale Monitor
February 01, 2024D. French -
ISR 2024-01: The Hubble Advanced Spectral Product (HASP) Program
January 16, 2024J.H. Debes et al.