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arXiv 1201.0107astro-ph.CO
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SSGSS:斯皮策-SDSS-GALEX光谱巡天

SSGSS: The Spitzer-SDSS-GALEX Spectroscopic Survey

Matthew J. O'Dowd, David Schiminovich, Benjamin D. Johnson, Marie A. Treyer, Christopher D. Martin, Ted K. Wyder, Stéphane Charlot, Timothy M. Heckman, Lucimara… 展开作者

Matthew J. O'Dowd, David Schiminovich, Benjamin D. Johnson, Marie A. Treyer, Christopher D. Martin, Ted K. Wyder, Stéphane Charlot, Timothy M. Heckman, Lucimara P. Martins, Mark Seibert, J. M. van der Hulst

摘要:

Spitzer-SDSS-GALEX光谱巡天(SSGSS)提供了101个z < 0.2的恒星形成星系的新样本,具有前所未有的多波长覆盖范围。斯皮策太空望远镜的新中红外到远红外光谱被添加到以前的成像和光谱的丰富套件中,包括ROSAT,星系演化探测器,斯隆数字巡天,2微米全天巡天和斯皮策/SWIRE。样本的选择确保了正常星系属性的全方位覆盖,在恒星质量,颜色和尘埃衰减方面跨越两个数量级。在本文中,我们介绍了SSGSS数据集,描述了科学驱动因素,并详细介绍了样本选择,观测,数据简化和质量评估。此外,在本文中,我们比较了这些典型的,恒星形成星系的星暴星系的热连续体的形状和硅酸盐吸收的程度。我们调查恒星形成率,红外光度,总多环芳烃光度之间的联系,以期校准后者的光谱能量分布模型在光度样品和高红移。最后,我们利用该样品的5-40微米光谱和远红外光度覆盖范围对Draine等人的尘埃模型进行了详细的拟合,并研究了尘埃质量与恒星形成历史和活动星系核性质之间的联系。

英文摘要:

The Spitzer-SDSS-GALEX Spectroscopic Survey (SSGSS) provides a new sample of 101 star-forming galaxies at z < 0.2 with unprecedented multi-wavelength coverage. New mid- to far-infrared spectroscopy from the Spitzer Space Telescope is added to a rich suite of previous imaging and spectroscopy, including ROSAT, Galaxy Evolution Explorer, Sloan Digital Sky Survey, Two Micron All Sky Survey, and Spitzer/SWIRE. Sample selection ensures an even coverage of the full range of normal galaxy properties, spanning two orders of magnitude in stellar mass, color, and dust attenuation. In this paper we present the SSGSS data set, describe the science drivers, and detail the sample selection, observations, data reduction, and quality assessment. Also in this paper, we compare the shape of the thermal continuum and the degree of silicate absorption of these typical, star-forming galaxies to those of starburst galaxies. We investigate the link between star formation rate, infrared luminosity, and total polycyclic aromatic hydrocarbon luminosity, with a view to calibrating the latter for spectral energy distribution models in photometric samples and at high redshift. Last, we take advantage of the 5-40 micron spectroscopic and far-infrared photometric coverage of this sample to perform detailed fitting of the Draine et al. dust models, and investigate the link between dust mass and star formation history and active galactic nucleus properties.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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