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The VANDELS survey : the star-formation histories of massive quiescent galaxies at 1.0 < z < 1.3
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dc.contributor.author | Carnall, A. C. | |
dc.contributor.author | McLure, R. J. | |
dc.contributor.author | Dunlop, J. S. | |
dc.contributor.author | Cullen, F. | |
dc.contributor.author | McLeod, D. J. | |
dc.contributor.author | Wild, V. | |
dc.contributor.author | Johnson, B. D. | |
dc.contributor.author | Appleby, S. | |
dc.contributor.author | Davé, R. | |
dc.contributor.author | Amorin, R. | |
dc.contributor.author | Bolzonella, M. | |
dc.contributor.author | Castellano, M. | |
dc.contributor.author | Cimatti, A. | |
dc.contributor.author | Cucciati, O. | |
dc.contributor.author | Gargiulo, A. | |
dc.contributor.author | Garilli, B. | |
dc.contributor.author | Marchi, F. | |
dc.contributor.author | Pentericci, L. | |
dc.contributor.author | Pozzetti, L. | |
dc.contributor.author | Schreiber, C. | |
dc.contributor.author | Talia, M. | |
dc.contributor.author | Zamorani, G. | |
dc.date.accessioned | 2019-11-25T15:30:10Z | |
dc.date.available | 2019-11-25T15:30:10Z | |
dc.date.issued | 2019-11 | |
dc.identifier | 263616068 | |
dc.identifier | 86c09005-e5ac-4c62-834f-61de0878eb2d | |
dc.identifier | 85075242938 | |
dc.identifier | 000496922300032 | |
dc.identifier.citation | Carnall , A C , McLure , R J , Dunlop , J S , Cullen , F , McLeod , D J , Wild , V , Johnson , B D , Appleby , S , Davé , R , Amorin , R , Bolzonella , M , Castellano , M , Cimatti , A , Cucciati , O , Gargiulo , A , Garilli , B , Marchi , F , Pentericci , L , Pozzetti , L , Schreiber , C , Talia , M & Zamorani , G 2019 , ' The VANDELS survey : the star-formation histories of massive quiescent galaxies at 1.0 < z < 1.3 ' , Monthly Notices of the Royal Astronomical Society , vol. 490 , no. 1 , pp. 417-439 . https://doi.org/10.1093/mnras/stz2544 | en |
dc.identifier.issn | 0035-8711 | |
dc.identifier.other | BibCode: 2019MNRAS.490..417C | |
dc.identifier.other | BibCode: 2019arXiv190311082C | |
dc.identifier.uri | https://hdl.handle.net/10023/19001 | |
dc.description | Funding: UK Science and Technology Facilities Council (ACC, FC, SA). | en |
dc.description.abstract | We present a Bayesian full-spectral-fitting analysis of 75 massive (M∗>1010.3M⊙) UVJ-selected galaxies at redshifts of 1.0 < z < 1.3, combining extremely deep rest-frame ultraviolet spectroscopy from VANDELS with multiwavelength photometry. By the use of a sophisticated physical plus systematic uncertainties model, constructed within the bagpipes code, we place strong constraints on the star-formation histories (SFHs) of individual objects. We first constrain the stellar mass versus stellar age relationship, finding a steep trend towards earlier average formation time with increasing stellar mass (downsizing) of 1.48+0.34−0.39 Gyr per decade in mass, although this shows signs of flattening at M∗>1011M⊙. We show that this is consistent with other spectroscopic studies from 0 < z < 2. This relationship places strong constraints on the AGN-feedback models used in cosmological simulations. We demonstrate that, although the relationships predicted by SIMBA and ILLUSTRISTNG agree well with observations at z = 0.1, they are too shallow at z = 1, predicting an evolution of ≲0.5 Gyr per decade in mass. Secondly, we consider the connections between green-valley, post-starburst, and quiescent galaxies, using our inferred SFH shapes and the distributions of galaxy physical properties on the UVJ diagram. The majority of our lowest-mass galaxies (M∗∼1010.5M⊙) are consistent with formation in recent (z < 2), intense starburst events, with time-scales of ≲500 Myr. A second class of objects experience extended star-formation epochs before rapidly quenching, passing through both green-valley and post-starburst phases. The most massive galaxies in our sample are extreme systems: already old by z = 1, they formed at z ∼ 5 and quenched by z = 3. However, we find evidence for their continued evolution through both AGN and rejuvenated star-formation activity. | |
dc.format.extent | 5149844 | |
dc.language.iso | eng | |
dc.relation.ispartof | Monthly Notices of the Royal Astronomical Society | en |
dc.subject | Methods: statistical | en |
dc.subject | Galaxies: evolution | en |
dc.subject | Galaxies: star formation | en |
dc.subject | QB Astronomy | en |
dc.subject | QC Physics | en |
dc.subject | 3rd-DAS | en |
dc.subject.lcc | QB | en |
dc.subject.lcc | QC | en |
dc.title | The VANDELS survey : the star-formation histories of massive quiescent galaxies at 1.0 < z < 1.3 | en |
dc.type | Journal article | en |
dc.contributor.institution | University of St Andrews. School of Physics and Astronomy | en |
dc.identifier.doi | 10.1093/mnras/stz2544 | |
dc.description.status | Peer reviewed | en |
dc.identifier.url | http://adsabs.harvard.edu/abs/2019MNRAS.490..417C | en |
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