CoolCAT

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May 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003aas...202.2504a&link_type=abstract

American Astronomical Society Meeting 202, #25.04; Bulletin of the American Astronomical Society, Vol. 35, p.732

Astronomy and Astrophysics

Astronomy

Scientific paper

CoolCAT is a cool-star UV spectral catalog derived from the rich stellar archive of STIS E140M/H and E230M/H exposures. There are approximately 50 more-or-less normal late-type stars in the HST STIS archive with at least one E140M spectrogram, providing full UV wavelength coverage from 1150--1700 Å at a resolution of R≡ λ /Δ λ ˜ 4*E4. About 70% of these stars also have one or more E230M/H exposures, covering all, or part, of the interval 1700--3000 Å. Approximately 150 E140M exposures have been reduced for CoolCAT, and a comparable number of E230's, split nearly equally between the medium-res (M: R ˜ 3*E4) and high-res (H: R ˜ 1*E5) modes. CoolCAT consists of a collection of digital spectral atlases---echellograms processed to the same uniform standard, multiple observations graded and coadded, and adjacent wavelength regions concatenated---and a supporting catalog of line identifications, wavelengths, widths, and fluxes. Semiautonomous line fitting procedures ensure a homogeneous and uniform treatment of the diverse spectral material. A wide range of investigations---from the photochemical evolution of primitive planetary atmospheres, the dynamics of cool star atmospheres, to galactic population synthesis---will be enabled by CoolCAT. The database will reside at the Multimission Archive at Space Telescope (MAST).
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This work was supported by grant HST--AR--09550.01--A from STScI to the University of Colorado.

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