The host galaxies of X-ray selected active galactic nuclei to z = 2.5: structure, star formation, and their relationships from CANDELS and Herschel/PACS

D .J. Rosario; D. H. McIntosh; A. van der Wel; J. Kartaltepe; P. Lang; P. Santini; S. Wuyts; D. Lutz; M. Rafelski; C. Villforth; D. M. Alexander; F. E. Bauer; E. F. Bell; S. Berta; W. N. Brandt; C. J. Conselice; A. Dekel; S. M. Faber; H. C. Ferguson; R. Genzel; N. A. Grogin; D. D. Kocevski; A. M. Koekemoer; D. C. Koo; J. M. Lotz; B. Magnelli; R. Maiolino; M. Mozena; J. R. Mullaney; C.~J. Papovich; P. Popesso; L. J. Tacconi; J. R. Trump; S. Avadhuta; R. Bassett; A. Bell; M. Bernyk; F. Bournaud; P. Cassata; E. Cheung; D. Croton; J. Donley; L. DeGroot; J. Guedes; N. Hathi; J. Herrington; M. Hilton; K. Lai; C. Lani; M. Martig; E. McGrath; S. Mutch; A. Mortlock; C. McPartland; E. O'Leary; M. Peth; A. Pillepich; G. Poole; D. Snyder; A. Straughn; O. Telford; C. Tonini; P. Wandro

doi:10.1051/0004-6361/201423782

The host galaxies of X-ray selected active galactic nuclei to z = 2.5: structure, star formation, and their relationships from CANDELS and Herschel/PACS

D .J. Rosario, D. H. McIntosh, A. van der Wel, J. Kartaltepe, P. Lang, P. Santini, S. Wuyts, D. Lutz, M. Rafelski, C. Villforth, D. M. Alexander, F. E. Bauer, E. F. Bell, S. Berta, W. N. Brandt, C. J. Conselice, A. Dekel, S. M. Faber, H. C. Ferguson, R. GenzelN. A. Grogin, D. D. Kocevski, A. M. Koekemoer, D. C. Koo, J. M. Lotz, B. Magnelli, R. Maiolino, M. Mozena, J. R. Mullaney, C.~J. Papovich, P. Popesso, L. J. Tacconi, J. R. Trump, S. Avadhuta, R. Bassett, A. Bell, M. Bernyk, F. Bournaud, P. Cassata, E. Cheung, D. Croton, J. Donley, L. DeGroot, J. Guedes, N. Hathi, J. Herrington, M. Hilton, K. Lai, C. Lani, M. Martig, E. McGrath, S. Mutch, A. Mortlock, C. McPartland, E. O'Leary, M. Peth, A. Pillepich, G. Poole, D. Snyder, A. Straughn, O. Telford, C. Tonini, P. Wandro

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Abstract

We study the relationship between the structure and star formation rate (SFR) of X-ray selected low and moderate luminosity active galactic nuclei (AGNs) in the two Chandra Deep Fields, using Hubble Space Telescope imaging from the Cosmic Assembly Near Infrared Extragalactic Legacy Survey (CANDELS) and deep far-infrared maps from the PEP+GOODS-Herschel survey. We derive detailed distributions of structural parameters and FIR luminosities from carefully constructed control samples of galaxies, which we then compare to those of the AGNs. At z ~ 1, AGNs show slightly diskier light profiles than massive inactive (non-AGN) galaxies, as well as modestly higher levels of gross galaxy disturbance (as measured by visual signatures of interactions and clumpy structure). In contrast, at z ~ 2, AGNs show similar levels of galaxy disturbance as inactive galaxies, but display a red central light enhancement, which may arise from a more pronounced bulge in AGN hosts or extinguished nuclear light. We undertake a number of tests of both these alternatives, but our results do not strongly favor one interpretation over the other. The mean SFR and its distribution among AGNs and inactive galaxies are similar at z> 1.5. At z< 1, however, clear and significant enhancements are seen in the SFRs of AGNs with bulge-dominated light profiles. These trends suggest an evolution in the relation between nuclear activity and host properties with redshift, towards a minor role for mergers and interactions at z> 1.5.

Original language	English
Article number	A85
Number of pages	24
Journal	Astronomy & Astrophysics
Volume	573
Early online date	23 Dec 2014
DOIs	https://doi.org/10.1051/0004-6361/201423782
Publication status	Published - 1 Jan 2015

Keywords

galaxies: active, galaxies: structure, galaxies: star formation, surveys, methods: statistical, X-rays: galaxies

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10.1051/0004-6361/201423782

1409.5122v1
(C) 2015 EDP Sciences. This is the author's accepted version of an article published in: Rosario, DJ, McIntosh, DH, van der Wel, A, Kartaltepe, J, Lang, P, Santini, P, Wuyts, S, Lutz, D, Rafelski, M, Villforth, C, Alexander, DM, Bauer, FE, et al, 2015, 'The host galaxies of X-ray selected active galactic nuclei to z = 2.5: structure, star formation, and their relationships from CANDELS and Herschel/PACS' Astronomy & Astrophysics, vol 573, A85., and available online via: http://dx.doi.org/10.1051/0004-6361/201423782.
Accepted author manuscript, 1.43 MB

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Rosario, D. . J., McIntosh, D. H., van der Wel, A., Kartaltepe, J., Lang, P., Santini, P., Wuyts, S., Lutz, D., Rafelski, M., Villforth, C., Alexander, D. M., Bauer, F. E., Bell, E. F., Berta, S., Brandt, W. N., Conselice, C. J., Dekel, A., Faber, S. M., Ferguson, H. C., ... Wandro, P. (2015). The host galaxies of X-ray selected active galactic nuclei to z = 2.5: structure, star formation, and their relationships from CANDELS and Herschel/PACS. Astronomy & Astrophysics, 573, Article A85. https://doi.org/10.1051/0004-6361/201423782

Rosario, DJ, McIntosh, DH, van der Wel, A, Kartaltepe, J, Lang, P, Santini, P, Wuyts, S, Lutz, D, Rafelski, M, Villforth, C, Alexander, DM, Bauer, FE, Bell, EF, Berta, S, Brandt, WN, Conselice, CJ, Dekel, A, Faber, SM, Ferguson, HC, Genzel, R, Grogin, NA, Kocevski, DD, Koekemoer, AM, Koo, DC, Lotz, JM, Magnelli, B, Maiolino, R, Mozena, M, Mullaney, JR, Papovich, CJ, Popesso, P, Tacconi, LJ, Trump, JR, Avadhuta, S, Bassett, R, Bell, A, Bernyk, M, Bournaud, F, Cassata, P, Cheung, E, Croton, D, Donley, J, DeGroot, L, Guedes, J, Hathi, N, Herrington, J, Hilton, M, Lai, K, Lani, C, Martig, M, McGrath, E, Mutch, S, Mortlock, A, McPartland, C, O'Leary, E, Peth, M, Pillepich, A, Poole, G, Snyder, D, Straughn, A, Telford, O, Tonini, C & Wandro, P 2015, 'The host galaxies of X-ray selected active galactic nuclei to z = 2.5: structure, star formation, and their relationships from CANDELS and Herschel/PACS', Astronomy & Astrophysics, vol. 573, A85. https://doi.org/10.1051/0004-6361/201423782

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title = "The host galaxies of X-ray selected active galactic nuclei to z = 2.5: structure, star formation, and their relationships from CANDELS and Herschel/PACS",

abstract = "We study the relationship between the structure and star formation rate (SFR) of X-ray selected low and moderate luminosity active galactic nuclei (AGNs) in the two Chandra Deep Fields, using Hubble Space Telescope imaging from the Cosmic Assembly Near Infrared Extragalactic Legacy Survey (CANDELS) and deep far-infrared maps from the PEP+GOODS-Herschel survey. We derive detailed distributions of structural parameters and FIR luminosities from carefully constructed control samples of galaxies, which we then compare to those of the AGNs. At z ~ 1, AGNs show slightly diskier light profiles than massive inactive (non-AGN) galaxies, as well as modestly higher levels of gross galaxy disturbance (as measured by visual signatures of interactions and clumpy structure). In contrast, at z ~ 2, AGNs show similar levels of galaxy disturbance as inactive galaxies, but display a red central light enhancement, which may arise from a more pronounced bulge in AGN hosts or extinguished nuclear light. We undertake a number of tests of both these alternatives, but our results do not strongly favor one interpretation over the other. The mean SFR and its distribution among AGNs and inactive galaxies are similar at z> 1.5. At z< 1, however, clear and significant enhancements are seen in the SFRs of AGNs with bulge-dominated light profiles. These trends suggest an evolution in the relation between nuclear activity and host properties with redshift, towards a minor role for mergers and interactions at z> 1.5. ",

keywords = "galaxies: active, galaxies: structure, galaxies: star formation, surveys, methods: statistical, X-rays: galaxies",

author = "Rosario, {D .J.} and McIntosh, {D. H.} and {van der Wel}, A. and J. Kartaltepe and P. Lang and P. Santini and S. Wuyts and D. Lutz and M. Rafelski and C. Villforth and Alexander, {D. M.} and Bauer, {F. E.} and Bell, {E. F.} and S. Berta and Brandt, {W. N.} and Conselice, {C. J.} and A. Dekel and Faber, {S. M.} and Ferguson, {H. C.} and R. Genzel and Grogin, {N. A.} and Kocevski, {D. D.} and Koekemoer, {A. M.} and Koo, {D. C.} and Lotz, {J. M.} and B. Magnelli and R. Maiolino and M. Mozena and Mullaney, {J. R.} and C.~J. Papovich and P. Popesso and Tacconi, {L. J.} and Trump, {J. R.} and S. Avadhuta and R. Bassett and A. Bell and M. Bernyk and F. Bournaud and P. Cassata and E. Cheung and D. Croton and J. Donley and L. DeGroot and J. Guedes and N. Hathi and J. Herrington and M. Hilton and K. Lai and C. Lani and M. Martig and E. McGrath and S. Mutch and A. Mortlock and C. McPartland and E. O'Leary and M. Peth and A. Pillepich and G. Poole and D. Snyder and A. Straughn and O. Telford and C. Tonini and P. Wandro",

year = "2015",

month = jan,

day = "1",

doi = "10.1051/0004-6361/201423782",

language = "English",

volume = "573",

journal = "Astronomy & Astrophysics",

issn = "0004-6361",

publisher = "EDP Sciences",

}

TY - JOUR

T1 - The host galaxies of X-ray selected active galactic nuclei to z = 2.5

T2 - structure, star formation, and their relationships from CANDELS and Herschel/PACS

AU - Rosario, D .J.

AU - McIntosh, D. H.

AU - van der Wel, A.

AU - Kartaltepe, J.

AU - Lang, P.

AU - Santini, P.

AU - Wuyts, S.

AU - Lutz, D.

AU - Rafelski, M.

AU - Villforth, C.

AU - Alexander, D. M.

AU - Bauer, F. E.

AU - Bell, E. F.

AU - Berta, S.

AU - Brandt, W. N.

AU - Conselice, C. J.

AU - Dekel, A.

AU - Faber, S. M.

AU - Ferguson, H. C.

AU - Genzel, R.

AU - Grogin, N. A.

AU - Kocevski, D. D.

AU - Koekemoer, A. M.

AU - Koo, D. C.

AU - Lotz, J. M.

AU - Magnelli, B.

AU - Maiolino, R.

AU - Mozena, M.

AU - Mullaney, J. R.

AU - Papovich, C.~J.

AU - Popesso, P.

AU - Tacconi, L. J.

AU - Trump, J. R.

AU - Avadhuta, S.

AU - Bassett, R.

AU - Bell, A.

AU - Bernyk, M.

AU - Bournaud, F.

AU - Cassata, P.

AU - Cheung, E.

AU - Croton, D.

AU - Donley, J.

AU - DeGroot, L.

AU - Guedes, J.

AU - Hathi, N.

AU - Herrington, J.

AU - Hilton, M.

AU - Lai, K.

AU - Lani, C.

AU - Martig, M.

AU - McGrath, E.

AU - Mutch, S.

AU - Mortlock, A.

AU - McPartland, C.

AU - O'Leary, E.

AU - Peth, M.

AU - Pillepich, A.

AU - Poole, G.

AU - Snyder, D.

AU - Straughn, A.

AU - Telford, O.

AU - Tonini, C.

AU - Wandro, P.

PY - 2015/1/1

Y1 - 2015/1/1

N2 - We study the relationship between the structure and star formation rate (SFR) of X-ray selected low and moderate luminosity active galactic nuclei (AGNs) in the two Chandra Deep Fields, using Hubble Space Telescope imaging from the Cosmic Assembly Near Infrared Extragalactic Legacy Survey (CANDELS) and deep far-infrared maps from the PEP+GOODS-Herschel survey. We derive detailed distributions of structural parameters and FIR luminosities from carefully constructed control samples of galaxies, which we then compare to those of the AGNs. At z ~ 1, AGNs show slightly diskier light profiles than massive inactive (non-AGN) galaxies, as well as modestly higher levels of gross galaxy disturbance (as measured by visual signatures of interactions and clumpy structure). In contrast, at z ~ 2, AGNs show similar levels of galaxy disturbance as inactive galaxies, but display a red central light enhancement, which may arise from a more pronounced bulge in AGN hosts or extinguished nuclear light. We undertake a number of tests of both these alternatives, but our results do not strongly favor one interpretation over the other. The mean SFR and its distribution among AGNs and inactive galaxies are similar at z> 1.5. At z< 1, however, clear and significant enhancements are seen in the SFRs of AGNs with bulge-dominated light profiles. These trends suggest an evolution in the relation between nuclear activity and host properties with redshift, towards a minor role for mergers and interactions at z> 1.5.

AB - We study the relationship between the structure and star formation rate (SFR) of X-ray selected low and moderate luminosity active galactic nuclei (AGNs) in the two Chandra Deep Fields, using Hubble Space Telescope imaging from the Cosmic Assembly Near Infrared Extragalactic Legacy Survey (CANDELS) and deep far-infrared maps from the PEP+GOODS-Herschel survey. We derive detailed distributions of structural parameters and FIR luminosities from carefully constructed control samples of galaxies, which we then compare to those of the AGNs. At z ~ 1, AGNs show slightly diskier light profiles than massive inactive (non-AGN) galaxies, as well as modestly higher levels of gross galaxy disturbance (as measured by visual signatures of interactions and clumpy structure). In contrast, at z ~ 2, AGNs show similar levels of galaxy disturbance as inactive galaxies, but display a red central light enhancement, which may arise from a more pronounced bulge in AGN hosts or extinguished nuclear light. We undertake a number of tests of both these alternatives, but our results do not strongly favor one interpretation over the other. The mean SFR and its distribution among AGNs and inactive galaxies are similar at z> 1.5. At z< 1, however, clear and significant enhancements are seen in the SFRs of AGNs with bulge-dominated light profiles. These trends suggest an evolution in the relation between nuclear activity and host properties with redshift, towards a minor role for mergers and interactions at z> 1.5.

KW - galaxies: active, galaxies: structure, galaxies: star formation, surveys, methods: statistical, X-rays: galaxies

UR - http://dx.doi.org/10.1051/0004-6361/201423782

U2 - 10.1051/0004-6361/201423782

DO - 10.1051/0004-6361/201423782

M3 - Article

SN - 0004-6361

VL - 573

JO - Astronomy & Astrophysics

JF - Astronomy & Astrophysics

M1 - A85

ER -

The host galaxies of X-ray selected active galactic nuclei to z = 2.5: structure, star formation, and their relationships from CANDELS and Herschel/PACS

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