DECH: A Software Package for Astronomical Spectral Data Processing and Analysis

IF 1.3 4区物理与天体物理 Q3 ASTRONOMY & ASTROPHYSICS

Astrophysical Bulletin Pub Date : 2023-02-08 DOI:10.1134/S1990341322040034

G. A. Galazutdinov

引用次数: 0

Abstract—The article provides a brief description of the software package DECH for processing and analysis of astronomical spectra. DECH supports all stages of processing and analysis of spectral data, including image preprocessing, spectra extraction (including those with a variable tilted slit), wavelength calibration by a two-dimensional polynomial, continuum normalization (manual or automatic), measurement of equivalent widths and radial velocities in various ways, cross-correlation analysis, etc. The DECH software package is actively used by astronomers from different countries and continues to be improved. In particular, utilities for processing and analysis of data from the high-resolution fiber-feed echelle spectrograph installed at 6-m telescope of Special Astrophysical Observatory of Russian Academy of Sciences were added in the latest version. Software provides high-precision measurements of radial velocities, including those for detection of extraterrestrial planets.

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天文光谱数据处理与分析软件包

摘要:本文简要介绍了用于天文光谱处理和分析的软件包DECH。DECH支持光谱数据处理和分析的所有阶段，包括图像预处理、光谱提取(包括具有可变倾斜狭缝的光谱提取)、二维多项式波长校准、连续体归一化(手动或自动)、以各种方式测量等效宽度和径向速度、相互关联分析等。DECH软件包被来自不同国家的天文学家积极使用，并在不断改进。特别是，在最新版本中增加了用于处理和分析安装在俄罗斯科学院特殊天体物理天文台6米望远镜上的高分辨率光纤馈电梯队光谱仪数据的实用程序。软件提供高精度的径向速度测量，包括那些用于探测外星行星的测量。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Astrophysical Bulletin 地学天文-天文与天体物理

CiteScore

2.00

自引率

33.30%

发文量

审稿时长

>12 weeks

期刊介绍： Astrophysical Bulletin is an international peer reviewed journal that publishes the results of original research in various areas of modern astronomy and astrophysics, including observational and theoretical astrophysics, physics of the Sun, radio astronomy, stellar astronomy, extragalactic astronomy, cosmology, and astronomy methods and instrumentation.

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