The Spectroscopy of Plasma Evolution from Astrophysical Radiation Mission

Details The Spectroscopy of Plasma Evolution from Astrophysical Radiation Mission The Spectroscopy of Plasma Evolution from Astrophysical Radiation Mission

2006-01-26

arxiv.org/abs/astro-ph/0601587v1

Astrophys.J. 644 (2006) L153-L158

Astronomy and Astrophysics

Astrophysics

Scientific paper

10.1086/505208

The Spectroscopy of Plasma Evolution from Astrophysical Radiation (or the Far-ultraviolet Imaging Spectrograph) instruments, flown aboard the STSAT-1 satellite mission, have provided the first large-area spectral mapping of the cosmic far ultraviolet (FUV, lambda 900-1750 Ang) background. We observe diffuse radiation from hot (10^4 to 10^6 K) and ionized plasmas, molecular hydrogen, and dust scattered starlight. These data provide for the unprecedented detection and discovery of spectral emission from a variety of interstellar environments, including the general medium, molecular clouds, supernova remnants, and super-bubbles. We describe the mission and its data, present an overview of the diffuse FUV sky's appearance and spectrum, and introduce the scientific findings detailed later in this volume.

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