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• 1704.01124v1

Rights statement: This is a pre-copy-editing, author-produced PDF of an article accepted for publication in Monthly Notices of the Royal Astronomical Society following peer review. The definitive publisher-authenticated version Andra Stroe, David Sobral, Jorryt Matthee, João Calhau, Ivan Oteo; A 1.4 deg2 blind survey for C II], C III] and C IV at z ∼ 0.7–1.5 – II. Luminosity functions and cosmic average line ratios, Monthly Notices of the Royal Astronomical Society, Volume 471, Issue 3, 1 November 2017, Pages 2575–2586, https://doi.org/10.1093/mnras/stx1713 is available online at: https://academic.oup.com/mnras/article/471/3/2575/3950256/A-14-deg2-blind-survey-for-C-II-C-III-and-C-IV-at

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## A 1.4 deg2 blind survey for C II], C III] and C IV at z ∼ 0.7–1.5: II. Luminosity functions and cosmic average line ratios

Research output: Contribution to journalJournal article

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A 1.4 deg2 blind survey for C II], C III] and C IV at z ∼ 0.7–1.5 : II. Luminosity functions and cosmic average line ratios. / Stroe, Andra; Sobral, David; Matthee, Jorryt; Calhau, João; Oteo, Ivan.

In: Monthly Notices of the Royal Astronomical Society, Vol. 471, No. 3, 01.11.2017, p. 2575-2586.

Research output: Contribution to journalJournal article

### Harvard

Stroe, A, Sobral, D, Matthee, J, Calhau, J & Oteo, I 2017, 'A 1.4 deg2 blind survey for C II], C III] and C IV at z ∼ 0.7–1.5: II. Luminosity functions and cosmic average line ratios', Monthly Notices of the Royal Astronomical Society, vol. 471, no. 3, pp. 2575-2586. https://doi.org/10.1093/mnras/stx1713

### Author

Stroe, Andra ; Sobral, David ; Matthee, Jorryt ; Calhau, João ; Oteo, Ivan. / A 1.4 deg2 blind survey for C II], C III] and C IV at z ∼ 0.7–1.5 : II. Luminosity functions and cosmic average line ratios. In: Monthly Notices of the Royal Astronomical Society. 2017 ; Vol. 471, No. 3. pp. 2575-2586.

### Bibtex

@article{78c0a63d21514000b972d283c3702694,
title = "A 1.4 deg2 blind survey for C II], C III] and C IV at z ∼ 0.7–1.5: II. Luminosity functions and cosmic average line ratios",
abstract = "Recently, the CIII] and CIV emission lines have been observed in galaxies in the early Universe ($z>5$), providing new ways to measure their redshift and study their stellar populations and AGN. We explore the first blind CII], CIII] and CIV survey ($z\sim0.68, 1.05, 1.53$, respectively) presented in Stroe et al. (2017). We derive luminosity functions (LF) and study properties of CII], CIII] and CIV line emitters through comparisons to the LFs of H$\alpha$ and Ly$\alpha$ emitters, UV selected star forming (SF) galaxies and quasars at similar redshifts. The CII] LF at $z\sim0.68$ is equally well described by a Schechter or a power-law LF, characteristic of a mixture of SF and AGN activity. The CIII] LF ($z\sim1.05$) is consistent to a scaled down version of the Schechter H$\alpha$ and Ly$\alpha$ LF at their redshift, indicating a SF origin. In stark contrast, the CIV LF at $z\sim1.53$ is well fit by a power-law, quasar-like LF. We find that the brightest UV sources ($M_{UV}", keywords = "astro-ph.GA, astro-ph.CO", author = "Andra Stroe and David Sobral and Jorryt Matthee and Jo{\~a}o Calhau and Ivan Oteo", note = "This is a pre-copy-editing, author-produced PDF of an article accepted for publication in Monthly Notices of the Royal Astronomical Society following peer review. The definitive publisher-authenticated version Andra Stroe, David Sobral, Jorryt Matthee, Jo{\~a}o Calhau, Ivan Oteo; A 1.4 deg2 blind survey for C II], C III] and C IV at z ∼ 0.7–1.5 – II. Luminosity functions and cosmic average line ratios, Monthly Notices of the Royal Astronomical Society, Volume 471, Issue 3, 1 November 2017, Pages 2575–2586, https://doi.org/10.1093/mnras/stx1713 is available online at: https://academic.oup.com/mnras/article/471/3/2575/3950256/A-14-deg2-blind-survey-for-C-II-C-III-and-C-IV-at", year = "2017", month = nov day = "1", doi = "10.1093/mnras/stx1713", language = "English", volume = "471", pages = "2575--2586", journal = "Monthly Notices of the Royal Astronomical Society", issn = "0035-8711", publisher = "OXFORD UNIV PRESS", number = "3", } ### RIS TY - JOUR T1 - A 1.4 deg2 blind survey for C II], C III] and C IV at z ∼ 0.7–1.5 T2 - II. Luminosity functions and cosmic average line ratios AU - Stroe, Andra AU - Sobral, David AU - Matthee, Jorryt AU - Calhau, João AU - Oteo, Ivan N1 - This is a pre-copy-editing, author-produced PDF of an article accepted for publication in Monthly Notices of the Royal Astronomical Society following peer review. The definitive publisher-authenticated version Andra Stroe, David Sobral, Jorryt Matthee, João Calhau, Ivan Oteo; A 1.4 deg2 blind survey for C II], C III] and C IV at z ∼ 0.7–1.5 – II. Luminosity functions and cosmic average line ratios, Monthly Notices of the Royal Astronomical Society, Volume 471, Issue 3, 1 November 2017, Pages 2575–2586, https://doi.org/10.1093/mnras/stx1713 is available online at: https://academic.oup.com/mnras/article/471/3/2575/3950256/A-14-deg2-blind-survey-for-C-II-C-III-and-C-IV-at PY - 2017/11/1 Y1 - 2017/11/1 N2 - Recently, the CIII] and CIV emission lines have been observed in galaxies in the early Universe ($z>5$), providing new ways to measure their redshift and study their stellar populations and AGN. We explore the first blind CII], CIII] and CIV survey ($z\sim0.68, 1.05, 1.53$, respectively) presented in Stroe et al. (2017). We derive luminosity functions (LF) and study properties of CII], CIII] and CIV line emitters through comparisons to the LFs of H$\alpha$and Ly$\alpha$emitters, UV selected star forming (SF) galaxies and quasars at similar redshifts. The CII] LF at$z\sim0.68$is equally well described by a Schechter or a power-law LF, characteristic of a mixture of SF and AGN activity. The CIII] LF ($z\sim1.05$) is consistent to a scaled down version of the Schechter H$\alpha$and Ly$\alpha$LF at their redshift, indicating a SF origin. In stark contrast, the CIV LF at$z\sim1.53$is well fit by a power-law, quasar-like LF. We find that the brightest UV sources ($M_{UV}

AB - Recently, the CIII] and CIV emission lines have been observed in galaxies in the early Universe ($z>5$), providing new ways to measure their redshift and study their stellar populations and AGN. We explore the first blind CII], CIII] and CIV survey ($z\sim0.68, 1.05, 1.53$, respectively) presented in Stroe et al. (2017). We derive luminosity functions (LF) and study properties of CII], CIII] and CIV line emitters through comparisons to the LFs of H$\alpha$ and Ly$\alpha$ emitters, UV selected star forming (SF) galaxies and quasars at similar redshifts. The CII] LF at $z\sim0.68$ is equally well described by a Schechter or a power-law LF, characteristic of a mixture of SF and AGN activity. The CIII] LF ($z\sim1.05$) is consistent to a scaled down version of the Schechter H$\alpha$ and Ly$\alpha$ LF at their redshift, indicating a SF origin. In stark contrast, the CIV LF at $z\sim1.53$ is well fit by a power-law, quasar-like LF. We find that the brightest UV sources (\$M_{UV}

KW - astro-ph.GA

KW - astro-ph.CO

U2 - 10.1093/mnras/stx1713

DO - 10.1093/mnras/stx1713

M3 - Journal article

VL - 471

SP - 2575

EP - 2586

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

SN - 0035-8711

IS - 3

ER -