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  Census of the Local Universe (CLU) Narrowband Survey. I. Galaxy Catalogs from Preliminary Fields

Cook, D. O., Kasliwal, M. M., Van Sistine, A., Kaplan, D. L., Sutter, J. S., Kupfer, T., Shupe, D. L., Laher, R. R., Masci, F. J., Dale, D. A., Sesar, B., Brady, P. R., Yan, L., Ofek, E. O., Reitze, D. H., & Kulkarni, S. R. (2019). Census of the Local Universe (CLU) Narrowband Survey. I. Galaxy Catalogs from Preliminary Fields. The Astrophysical Journal, 880.

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アイテムのパーマリンク: https://hdl.handle.net/21.11116/0000-0005-D178-8 版のパーマリンク: https://hdl.handle.net/21.11116/0000-0005-D179-7
資料種別: 学術論文

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URL:
https://ui.adsabs.harvard.edu/abs/2019ApJ...880....7C (全文テキスト(全般))
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 作成者:
Cook, David O.1, 著者
Kasliwal, Mansi M.1, 著者
Van Sistine, Angela1, 著者
Kaplan, David L.1, 著者
Sutter, Jessica S.1, 著者
Kupfer, Thomas1, 著者
Shupe, David L.1, 著者
Laher, Russ R.1, 著者
Masci, Frank J.1, 著者
Dale, Daniel A.1, 著者
Sesar, Branimir1, 著者
Brady, Patrick R.1, 著者
Yan, Lin1, 著者
Ofek, Eran O.1, 著者
Reitze, David H.1, 著者
Kulkarni, Shrinivas R.1, 著者
所属:
1Max Planck Institute for Astronomy, Max Planck Society and Cooperation Partners, ou_2421692              

内容説明

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キーワード: galaxies: Seyfert galaxies: starburst gravitational waves surveys Astrophysics - Astrophysics of Galaxies Astrophysics - High Energy Astrophysical Phenomena Astrophysics - Instrumentation and Methods for Astrophysics
 要旨: We present the Census of the Local Universe (CLU) narrowband survey to search for emission-line (HŒ±) galaxies. CLU-HŒ± has imaged ‚âà3œÄ of the sky (26,470 deg2) with four narrowband filters that probe a distance out to 200 Mpc. We have obtained spectroscopic follow-up for galaxy candidates in 14 preliminary fields (101.6 deg2) to characterize the limits and completeness of the survey. In these preliminary fields, CLU can identify emission lines down to an HŒ± flux limit of 10‚àí14 erg s‚àí1 cm‚àí2 at 90% completeness, and recovers 83% (67%) of the HŒ± flux from cataloged galaxies in our search volume at the Œ£ = 2.5 (Œ£ = 5) color excess levels. The contamination from galaxies with no emission lines is 61% (12%) for Œ£ = 2.5 (Œ£ = 5). Also, in the regions of overlap between our preliminary fields and previous emission-line surveys, we recover the majority of the galaxies found in previous surveys and identify an additional ‚âà300 galaxies. In total, we find 90 galaxies with no previous distance information, several of which are interesting objects: 7 blue compact dwarfs, 1 green pea, and a Seyfert galaxy; we also identify a known planetary nebula. These objects show that the CLU-HŒ± survey can be a discovery machine for objects in our own Galaxy and extreme galaxies out to intermediate redshifts. However, the majority of the CLU-HŒ± galaxies identified in this work show properties consistent with normal star-forming galaxies. CLU-HŒ± galaxies with new redshifts will be added to existing galaxy catalogs to focus the search for the electromagnetic counterpart to gravitational wave events.

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 日付: 2019
 出版の状態: 出版
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出版物 1

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出版物名: The Astrophysical Journal
種別: 学術雑誌
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ページ: - 巻号: 880 通巻号: - 開始・終了ページ: - 識別子(ISBN, ISSN, DOIなど): -