KASHz plus SUPER: Evidence of cold molecular gas depletion in AGN hosts at cosmic noon

被引：2

作者：

Bertola, E. ^{[1
,2
,3
]}

Circosta, C. ^{[4
,5
]}

Ginolfi, M. ^{[6
,7
]}

Mainieri, V. ^{[7
]}

Vignali, C. ^{[2
,3
]}

Rivera, G. Calistro ^{[7
,8
]}

Ward, S. R. ^{[7
,9
,10
,11
]}

Lopez, I. E. ^{[2
,3
]}

Pensabene, A. ^{[12
]}

Alexander, D. M. ^{[13
]}

Bischetti, M. ^{[14
,15
]}

Brusa, M. ^{[2
]}

Cappi, M. ^{[3
]}

Comastri, A. ^{[3
]}

Contursi, A. ^{[16
]}

Cicone, C. ^{[17
]}

Cresci, G. ^{[1
]}

Dadina, M. ^{[3
]}

D'Amato, Q. ^{[1
]}

Feltre, A. ^{[1
]}

Harrison, C. M. ^{[9
]}

Kakkad, D. ^{[18
,19
,20
]}

Lamperti, I. ^{[21
]}

Lanzuisi, G. ^{[3
]}

Mannucci, F. ^{[1
]}

Marconi, A. ^{[1
,6
]}

Perna, M. ^{[21
]}

Piconcelli, E. ^{[22
]}

Puglisi, A. ^{[23
]}

Ricci, F. ^{[22
,24
]}

Scholtz, J. ^{[25
,26
]}

Tozzi, G. ^{[16
]}

Vietri, G. ^{[27
]}

Zamorani, G. ^{[3
]}

Zappacosta, L. ^{[22
]}

机构：

[1] INAF, OAA Osservatorio Astrofisco Arcetri, Largo E Fermi 5, I-50127 Florence, Italy

[2] Univ Bologna, Dipartimento Fis & Astron Augusto Righi, via P Gobetti 93-2, I-40129 Bologna, Italy

[3] INAF, OAS Osservatorio Astrofis & Sci Spazio Bologna, Via P Gobetti 93-3, I-40129 Bologna, Italy

[4] European Space Agcy ESAC, European Space Astron Ctr ESAC, Camino Bajo Castillo S-N, E-28692 Villanueva De La Canada, Madrid, Spain

[5] UCL, Dept Phys & Astron, Gower St, London WC1E 6BT, England

[6] Univ Firenze, Dipartimento Fis & Astron, Via G Sansone 1, I-50019 Florence, Italy

[7] European Southern Observ, Karl Schwarzschild Str 2, Garching, Germany

[8] German Aerosp Ctr DLR, Inst Commun & Nav, Wessling, Germany

[9] Newcastle Univ, Sch Math Stat & Phys, Newcastle Upon Tyne NE1 7RU, England

[10] Excellence Cluster ORIGINS, Boltzmannstr 2, D-85748 Garching, Germany

[11] Ludwig Maximilians Univ Munchen, Prof Huber Pl 2, D-80539 Munich, Germany

[12] Univ Milano Bicocca, Dipartimento Fis G Occhialini, Piazza Sci 3, I-20126 Milan, Italy

[13] Univ Durham, Ctr Extragalact Astron, Dept Phys, South Rd, Durham DH1 3LE, England

[14] Univ Trieste, Dipartimento Fis, Sez Astron, Via G B Tiepolo 11, I-34131 Trieste, Italy

[15] INAF, Osservatorio Astron Trieste, Via GB Tiepolo 11, I-34143 Trieste, Italy

[16] Max Planck Inst Extraterr Phys MPE, Giessenbachstr 1, D-85748 Garching, Germany

[17] Univ Oslo, Inst Theoret Astrophys, Postboks 1029, NO-0315 Oslo, Norway

[18] Space Telescope Sci Inst, 3700 San Martin Dr, Baltimore, MD 21218 USA

[19] European Southern Observ, Alonso Cordova 3107, Santiago 19001, Chile

[20] Univ Oxford, Dept Phys, Denys Wilkinson Bldg,Keble Rd, Oxford OX1 3RH, England

[21] CSIC, Ctr Astrobiol CAB, INTA, Ctra Torrejon Ajalvir Km 4, Torrejon De Ardoz 28850, Madrid, Spain

[22] INAF, Osservatorio Astron Roma, Via Frascati 33, I-00040 Rome, Roma, Italy

[23] Univ Southampton, Sch Phys & Astron, Highfield SO17 1BJ, England

[24] Univ Roma Tre, Dipartimento Matemat & Fis, Via Vasca Navale 84, I-00146 Rome, Italy

[25] Univ Cambridge, Kavli Inst Cosmol, Madingley Rd, Cambridge CB3 OHA, England

[26] Univ Cambridge, Cavendish Lab, Astrophys Grp, 19 JJ Thomson Ave, Cambridge CB3 OHE, England

[27] Ist Astrofis Spaziale & Fis Cosm Milano, INAF, Via A Corti 12, I-20133 Milan, Italy

来源：

ASTRONOMY & ASTROPHYSICS | 2024年 / 691卷

基金：

欧洲研究理事会;

关键词：

galaxies: active; galaxies: evolution; galaxies: high-redshift; galaxies: ISM; quasars: general; submillimeter: ISM; ALMA SPECTROSCOPIC SURVEY; ACTIVE GALACTIC NUCLEI; ULTRA DEEP FIELD; STAR-FORMATION RATE; SUPERMASSIVE BLACK-HOLES; RAY-SELECTED AGN; X-RAY; ILLUSTRISTNG SIMULATIONS; IONIZED OUTFLOWS; SCALING RELATIONS;

D O I：

10.1051/0004-6361/202450420

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The energy released by active galactic nuclei (AGN) has the potential to heat or remove the gas of the ISM, thus likely impacting the cold molecular gas reservoir of host galaxies at first, with star formation following as a consequence on longer timescales. Previous works on high-z galaxies, which compared the gas content of those without identified AGN, have yielded conflicting results, possibly due to selection biases and other systematics. To provide a reliable benchmark for galaxy evolution models at cosmic noon (z = 1 - 3), two surveys were conceived: SUPER and KASHz, both targeting unbiased X-ray-selected AGN at z > 1 that span a wide bolometric luminosity range. In this paper we assess the effects of AGN feedback on the molecular gas content of host galaxies in a statistically robust, uniformly selected, coherently analyzed sample of AGN at z = 1 - 2.6, drawn from the KASHz and SUPER surveys. By using targeted and archival ALMA data in combination with dedicated SED modeling, we retrieve CO and far-infrared (FIR) luminosity as well as M* of SUPER and KASHz host galaxies. We selected non-active galaxies from PHIBBS, ASPECS, and multiple ALMA/NOEMA surveys of submillimeter galaxies in the COSMOS, UDS, and ECDF fields. By matching the samples in redshift, stellar mass, and FIR luminosity, we compared the properties of AGN and non-active galaxies within a Bayesian framework. We find that AGN hosts at given FIR luminosity are on average CO depleted compared to non-active galaxies, thus confirming what was previously found in the SUPER survey. Moreover, the molecular gas fraction distributions of AGN and non-active galaxies are statistically different, with the distribution of AGN being skewed to lower values. Our results indicate that AGN can indeed reduce the total cold molecular gas reservoir of their host galaxies. Lastly, by comparing our results with predictions from three cosmological simulations (TNG, Eagle, and Simba) filtered to match the properties of observed AGN, AGN hosts, and non-active galaxies, we confirm already known discrepancies and highlight new discrepancies between observations and simulations.

引用

页数：24

共 26 条

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