The SEDs of interacting galaxies

被引：0

作者：

Lanz, Lauranne ^{[1
]}

Brassington, Nicola ^{[1
,2
,3
]}

Zezas, Andreas ^{[1
,3
]}

Smith, Howard A. ^{[1
]}

Ashby, Matthew L. N. ^{[1
]}

da Cunha, Elisabete ^{[4
]}

Klein, Christopher ^{[5
]}

Jonsson, Patrik ^{[1
]}

Hayward, Christopher C. ^{[1
]}

Hernquist, Lars ^{[1
]}

Fazio, Giovanni ^{[1
]}

机构：

[1] Harvard Smithsonian Ctr Astrophys, 60 Garden St,MS-10, Cambridge, MA 02138 USA

[2] Univ Hertfordshire, Sch Phys Astron & Math, Hatfield AL10 9AB, Herts, England

[3] Univ Crete, Dept Phys, Iraklion 71003, Crete, Greece

[4] Max Planck Inst Astron, D-69117 Heidelberg, Germany

[5] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA

来源：

SPECTRAL ENERGY DISTRIBUTION OF GALAXIES | 2012年 / 284期

关键词：

galaxies:interactions; galaxies:ISM; galaxies:photometry; infrared:galaxies; ultraviolet:galaxies; SPITZER-SPACE-TELESCOPE; STAR-FORMATION;

D O I：

10.1017/S1743921312009052

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The evolution of galaxies is greatly influenced by their interactions. As part of a program to study interacting galaxies, we have measured and modeled the spectral energy distributions (SEDs) from the ultraviolet (UV) to the far-infrared (FIR). We describe the constraints imposed on star formation histories by these SEDs, and the variations therein seen across the interaction sequence, and we compare the results of different star formation rate prescriptions applied to the data. The sample itself is based on the Spitzer Interacting Galaxy Survey (SIGS) of 111 galaxies in 50 systems, a project designed to probe a range of galaxy interaction parameters in the infrared. Our SEDs combine the Spitzer results with multiwavelength data from other missions, in particular GALEX and Herschel. The subset presented here is the sample for which FIR Herschel observations are currently publicly available.

引用

页码：198 / +

页数：2

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