LIME: Semiautomated line measurement and identification from stellar spectra
نویسندگان
چکیده
منابع مشابه
Stellar Rotation from GAIA Spectra
Abstract. Stellar rotation influences our understanding of stellar structure and evolution, binary systems, clusters etc. and therefore the benefits of a large and highly accurate database on stellar rotation, obtained by GAIA, will be manifold. To study the prospects of GAIA measurement of projected rotational velocities vrot sin i, we use synthetic stellar spectra to simulate the determinatio...
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Atmospheric ozone columns are derived from historic stellar spectra observed between 1935 and 1942 at Mount Wilson Observatory, California. Comparisons with contemporary measurements in the Arosa database show a generally close correspondence, while a similar comparison with more sparse data from Table Mountain reveals a difference of ∼15–20%, as has also been found by other researches of the l...
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Detection and measurement of total ozone from stellar spectra: Paper 2. Historic data from 1935–1942 R. E. M. Griffin Dept. of Earth and Space Sciences and Engineering, York University, 4700 Keele Street, Toronto, ON, M3J 1P3, Canada Herzberg Institute for Astrophysics, 5071 West Saanich Road, Victoria, BC, V9E 2E7, Canada Received: 22 July 2005 – Accepted: 9 September 2005 – Published: 31 Octo...
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Context. Spectral-line asymmetries (displayed as bisectors) and wavelength shifts are signatures of the hydrodynamics in solar and stellar atmospheres. Theory may precisely predict idealized lines, but accuracies in real observed spectra are limited by blends, few suitable lines, imprecise laboratory wavelengths, and instrumental imperfections. Aims. We extract bisectors and shifts until the ‘u...
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ژورنال
عنوان ژورنال: TURKISH JOURNAL OF PHYSICS
سال: 2017
ISSN: 1300-0101,1303-6122
DOI: 10.3906/fiz-1704-13