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A Systematic Search for the Reddest Far-infrared and Submillimeter Galaxies: Revealing Dust-embedded Starbursts at High Redshifts
The Astrophysical Journal Supplement Series ( IF 8.6 ) Pub Date : 2020-06-25 , DOI: 10.3847/1538-4365/ab964a
Haojing Yan 1 , Zhiyuan Ma 2 , Jia-Sheng Huang 3 , Lulu Fan 4, 5, 6
Affiliation  

We present the results of our systematic search for the reddest far-infrared (FIR) and submillimeter (sub-mm) galaxies using the data from the Herschel Multi-tiered Extragalactic Survey (HerMES) and the SCUBA2 Cosmological Legacy Survey (S2CLS). The red FIR galaxies are “500 μ m risers,” whose spectral energy distributions increase with wavelength across the three FIR passbands of the Spectral and Photometric Imaging REceiver (SPIRE) of Herschel. Within 106.5 deg 2 of the HerMES fields, we have selected 629 500 μ m risers. The red sub-mm galaxies are “SPIRE drop-outs,” which are prominent detections in the S2CLS 850 μ m data but are extremely weak or invisible in the SPIRE bands. Within the 2.98 deg 2 common area of HerMES and S2CLS, we have selected 95 such objects. These very red sources could be dusty starbursts at high redshifts ( z ≳ 4–6) because the peak of their cold-dust emission heated by star formation is shifted to the redde...

中文翻译:

系统地搜索最红的远红外和亚毫米星系:揭示高红移时尘土飞扬的星爆

我们使用Herschel多层河外星系调查(HerMES)和SCUBA2宇宙遗产调查(S2CLS)的数据,介绍了系统搜索最红的远红外(FIR)和亚毫米(sub-mm)星系的结果。红色的FIR星系是“ 500μm上升器”,其光谱能量分布随Herschel光​​谱和光度成像接收器(SPIRE)的三个FIR通带的波长而增加。在HerMES场的106.5度2以内,我们选择了629 500μm的立管。红色的亚毫米星系是“ SPIRE引出线”,是S2CLS 850μm数据中的突出检测,但在SPIRE波段中极弱或不可见。在HerMES和S2CLS的2.98度2公共区域内,我们选择了95个这样的对象。
更新日期:2020-06-26
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