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Studying high-z galaxies with [C II] intensity mapping
Yue, B.1; Ferrara, A.2,3
2019-12-01
Source PublicationMONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
ISSN0035-8711
Volume490Issue:2Pages:1928-1943
AbstractWe investigate the [C II] line intensity mapping (IM) signal from galaxies in the Epoch of Reionization (EoR) to assess its detectability, the possibility to constrain the L-CII-SFR relation, and to recover the [C II] luminosity function (LF) from future experiments. By empirically assuming that log L-CII = log A + gamma SFR +/- sigma(L), we derive the [C II] LF from the observed UV LF, and the [C II] IM power spectrum. We study the shot noise and the full power spectrum separately. Although, in general, the shot-noise component has a much higher signal-to-noise ratio than the clustering one, it cannot be used to put independent constraints on log A and gamma. Full power spectrum measurements are crucial to break such degeneracy and reconstruct the [C II] LF. In our fiducial survey Si (inspired by CCAT-p/1000 h) at z similar to 6, the shot noise (clustering) signal is detectable for two (one) of the five considered L-CII-STR relations. The shot noise is generally dominated by galaxies with L-CII greater than or similar to 10(8)-10(9) L-circle dot (M-UV similar to -20 to 22), already at reach of ALMA pointed observations. However, given the small field of view of such telescope, an EM experiment would provide unique information on the bright end of the LF. The detection depth of an IM experiment crucially depends on the (poorly constrained) L-CII-SFR relation in the EoR. If the L-CII-SFR relation varies in a wide log A-gamma range, but still consistent with ALMA [C LF upper limits, even the signal from galaxies with L-CII as faint as similar to 10(7) L-circle dot could be detectable. Finally, we consider the contamination by continuum foregrounds (cosmic infrared background, dust, cosmic microwave background) and CO interloping lines, and derive the requirements on the residual contamination level to reliably extract the [C II] signal.
Keywordgalaxies: high-redshift dark ages, reionization, first stars diffuse radiation radio lines: galaxies
Funding OrganizationCAS Pioneer Hundred Talents (Young Talents) program ; CAS Pioneer Hundred Talents (Young Talents) program ; NSFC ; NSFC ; NSFC-CAS ; NSFC-CAS ; NSFC-ISF ; NSFC-ISF ; ERC ; ERC ; Munich Institute for Astro- and Particle Physics (MIAPP) of the DFG cluster of excellence 'Origin and Structure of the Universe' ; Munich Institute for Astro- and Particle Physics (MIAPP) of the DFG cluster of excellence 'Origin and Structure of the Universe' ; CAS Pioneer Hundred Talents (Young Talents) program ; CAS Pioneer Hundred Talents (Young Talents) program ; NSFC ; NSFC ; NSFC-CAS ; NSFC-CAS ; NSFC-ISF ; NSFC-ISF ; ERC ; ERC ; Munich Institute for Astro- and Particle Physics (MIAPP) of the DFG cluster of excellence 'Origin and Structure of the Universe' ; Munich Institute for Astro- and Particle Physics (MIAPP) of the DFG cluster of excellence 'Origin and Structure of the Universe' ; CAS Pioneer Hundred Talents (Young Talents) program ; CAS Pioneer Hundred Talents (Young Talents) program ; NSFC ; NSFC ; NSFC-CAS ; NSFC-CAS ; NSFC-ISF ; NSFC-ISF ; ERC ; ERC ; Munich Institute for Astro- and Particle Physics (MIAPP) of the DFG cluster of excellence 'Origin and Structure of the Universe' ; Munich Institute for Astro- and Particle Physics (MIAPP) of the DFG cluster of excellence 'Origin and Structure of the Universe' ; CAS Pioneer Hundred Talents (Young Talents) program ; CAS Pioneer Hundred Talents (Young Talents) program ; NSFC ; NSFC ; NSFC-CAS ; NSFC-CAS ; NSFC-ISF ; NSFC-ISF ; ERC ; ERC ; Munich Institute for Astro- and Particle Physics (MIAPP) of the DFG cluster of excellence 'Origin and Structure of the Universe' ; Munich Institute for Astro- and Particle Physics (MIAPP) of the DFG cluster of excellence 'Origin and Structure of the Universe'
DOI10.1093/mnras/stz2728
WOS KeywordINFRARED BACKGROUND ANISOTROPIES ; EMITTER CROSS-CORRELATION ; ALMA SPECTROSCOPIC SURVEY ; STAR-FORMATION ; HIGH-REDSHIFT ; LUMINOSITY FUNCTION ; LINE ; REIONIZATION ; EVOLUTION ; DEEP
Language英语
Funding ProjectCAS Pioneer Hundred Talents (Young Talents) program ; NSFC[11653003] ; NSFC-CAS[U1738125] ; NSFC-ISF[11761141012] ; ERC[INTERSTELLAR H2020/740120] ; Munich Institute for Astro- and Particle Physics (MIAPP) of the DFG cluster of excellence 'Origin and Structure of the Universe'
Funding OrganizationCAS Pioneer Hundred Talents (Young Talents) program ; CAS Pioneer Hundred Talents (Young Talents) program ; NSFC ; NSFC ; NSFC-CAS ; NSFC-CAS ; NSFC-ISF ; NSFC-ISF ; ERC ; ERC ; Munich Institute for Astro- and Particle Physics (MIAPP) of the DFG cluster of excellence 'Origin and Structure of the Universe' ; Munich Institute for Astro- and Particle Physics (MIAPP) of the DFG cluster of excellence 'Origin and Structure of the Universe' ; CAS Pioneer Hundred Talents (Young Talents) program ; CAS Pioneer Hundred Talents (Young Talents) program ; NSFC ; NSFC ; NSFC-CAS ; NSFC-CAS ; NSFC-ISF ; NSFC-ISF ; ERC ; ERC ; Munich Institute for Astro- and Particle Physics (MIAPP) of the DFG cluster of excellence 'Origin and Structure of the Universe' ; Munich Institute for Astro- and Particle Physics (MIAPP) of the DFG cluster of excellence 'Origin and Structure of the Universe' ; CAS Pioneer Hundred Talents (Young Talents) program ; CAS Pioneer Hundred Talents (Young Talents) program ; NSFC ; NSFC ; NSFC-CAS ; NSFC-CAS ; NSFC-ISF ; NSFC-ISF ; ERC ; ERC ; Munich Institute for Astro- and Particle Physics (MIAPP) of the DFG cluster of excellence 'Origin and Structure of the Universe' ; Munich Institute for Astro- and Particle Physics (MIAPP) of the DFG cluster of excellence 'Origin and Structure of the Universe' ; CAS Pioneer Hundred Talents (Young Talents) program ; CAS Pioneer Hundred Talents (Young Talents) program ; NSFC ; NSFC ; NSFC-CAS ; NSFC-CAS ; NSFC-ISF ; NSFC-ISF ; ERC ; ERC ; Munich Institute for Astro- and Particle Physics (MIAPP) of the DFG cluster of excellence 'Origin and Structure of the Universe' ; Munich Institute for Astro- and Particle Physics (MIAPP) of the DFG cluster of excellence 'Origin and Structure of the Universe'
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000496926900031
PublisherOXFORD UNIV PRESS
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Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/28197
Collection中国科学院国家天文台
Corresponding AuthorFerrara, A.
Affiliation1.Chinese Acad Sci, Natl Astron Observ, 20A Datun Rd, Beijing 100101, Peoples R China
2.Scuola Normale Super Pisa, Piazza Cavalieri 7, I-56126 Pisa, Italy
3.Univ Tokyo, Kavli Inst Phys & Math Universe WPI, Kashiwa, Chiba 2778583, Japan
Recommended Citation
GB/T 7714
Yue, B.,Ferrara, A.. Studying high-z galaxies with [C II] intensity mapping[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2019,490(2):1928-1943.
APA Yue, B.,&Ferrara, A..(2019).Studying high-z galaxies with [C II] intensity mapping.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,490(2),1928-1943.
MLA Yue, B.,et al."Studying high-z galaxies with [C II] intensity mapping".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 490.2(2019):1928-1943.
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