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We aimed to study the chemistry of the circumnuclear molecular gas of NGC1068, and to compare it with those of the starburst galaxies M82 and NGC253. Using the IRAM-30m telescope, we observed the inner 2 kpc of NGC1068 between 86.2 GHz and…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 Rebeca Aladro , Serena Viti , Denise Riquelme , Sergio Martin , Rainer Mauersberger , Jesus Martin-Pintado , Estelle Bayet

We present a 190-307 GHz broadband spectrum obtained with Z-Spec of NGC 1068 with new measurements of molecular rotational transitions. After combining our measurements with those previously published and considering the specific geometry…

We present high angular resolution (0.5-2.0") observations of the mm continuum and the 12CO(J=3-2), 13CO(J=3-2), 13CO(J=2-1), C18O(J=2-1), HCN(J=3-2), HCO+(J=4-3) and HCO+(J=3-2) line emission in the circumnuclear disk (r=100pc) of the…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-28 M. Krips , S. Martin , A. Eckart , R. Neri , S. Garcia-Burillo , S. Matsushita , A. Peck , I. Stoklasova , G. Petitpas , A. Usero , F. Combes , E. Schinnerer , L. Humphreys , A. J. Baker

We have studied the feedback influence that the central engine of the Seyfert 2 galaxy NGC 1068 may have on the chemistry of the 200 pc circumnuclear gas disk (CND). With this purpose, we have conducted a multi-species/multi-transition…

Astrophysics · Physics 2007-05-23 A. Usero , S. Garcia-Burillo , A. Fuente , J. Martin-Pintado

We aimed to study the molecular composition of the interstellar medium (ISM) surrounding an Active Galactic Nucleus (AGN), by making an inventory of molecular species and their abundances, as well as to establish a chemical differentiation…

We used the Nobeyama 45-m telescope to conduct a spectral line survey in the 3-mm band (85.1-98.4 GHz) toward one of the nearest galaxies with active galactic nucleus NGC 1068 and the prototypical starburst galaxy NGC 253. The beam size of…

Astrophysics of Galaxies · Physics 2015-05-27 Taku Nakajima , Shuro Takano , Kotaro Kohno , Hirofumi Inoue

With the incorporation of high-J molecular lines, we aim to constrain the physical conditions of the dense gas in the central region of the Seyfert 2 galaxy NGC 1068 and to determine signatures of the AGN or the starburst contribution. We…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-13 J. P. Perez-Beaupuits , M. Spaans , F. F. S. van der Tak , S. Aalto , S. Garcia-Burillo , A. Fuente , A. Usero

We present an imaging molecular line survey in the 3-mm band (85-114 GHz) focused on one of the nearest galaxies with an active galactic nucleus (AGN), NGC 1068, based on observations taken with the Atacama Large Millimeter/submillimeter…

We present 0.8-mm band molecular images and spectra obtained with the Atacama Large Millimeter/submillimeter Array (ALMA) toward one of the nearest galaxies with an active galactic nucleus (AGN), NGC 1068. Distributions of CO isotopic…

There is observational evidence that nuclear winds and X-rays can heavily influence the physical conditions and chemical abundances of molecular gas in the circumnuclear disks (CND) of Active Galactic Nuclei (AGN). In this paper we probe…

It is important to investigate the relationships between the power sources and the chemical compositions of galaxies for understanding the scenario of galaxy evolution. We carried out an unbiased molecular line survey towards AGN host…

Astrophysics of Galaxies · Physics 2018-03-14 Taku Nakajima , Shuro Takano , Kotaro Kohno , Nanase Harada , Eric Herbst

We surveyed the circumnuclear disk of the Seyfert galaxy NGC1068 between the frequencies 86.2 GHz and 115.6 GHz, and identified 17 different molecules. Using a time and depth dependent chemical model we reproduced the observational results,…

Astrophysics of Galaxies · Physics 2015-06-05 Rebeca Aladro , Serena Viti , Estelle Bayet , Denise Riquelme

We present observational data of a molecular line survey toward the nearby galaxies NGC 1068, NGC 253, and IC 342 at the wavelengths of 3 mm ($\sim$85--116 GHz) obtained with the Nobeyama 45 m radio telescope. In IC 342 the line survey with…

Astrophysics of Galaxies · Physics 2019-04-10 Shuro Takano , Taku Nakajima , Kotaro Kohno

The physical conditions in the inner narrow line region (NLR) of the Seyfert 2 galaxy, NGC 1068, are examined using ultraviolet and optical spectra and photoionization models. The spectra are Hubble Space Telescope (HST) Harchive data…

Astrophysics · Physics 2009-10-30 Steven B. Kraemer , Jose R. Ruiz , D. Michael Crenshaw

Using ALMA data, we have studied the HC$_3$N and continuum emission in the starburst ring (SB ring) and the circumnuclear disc (CND) of the SB/AGN composite galaxy NGC 1068. We have detected emission from vibrationally excited HC$_3$N…

This paper is part of a multi-species survey of line emission from the molecular gas in the circum-nuclear disk (CND) of the Seyfert 2 galaxy NGC1068. Single-dish observations have provided evidence that the abundance of silicon…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 S. Garcia-Burillo , A. Usero , A. Fuente , J. Martin-Pintado , F. Boone , S. Aalto , M. Krips , R. Neri , E. Schinnerer , L. J. Tacconi

We present a detailed analysis of ALMA Bands 7 and 9 data of CO, HCO+, HCN and CS, augmented with Plateau de Bure Interferometer (PdBI) data of the ~ 200 pc circumnuclear disk (CND) and the ~ 1.3 kpc starburst ring (SB ring) of NGC~1068, a…

We report moderate resolution 3-5 micron spectroscopy of the nucleus of NGC 1068 obtained at 0.3 arcsec (20 pc) resolution with the spectrograph slit aligned approximately along the ionization cones of the AGN. The deconvolved FWHM of the…

Cosmology and Nongalactic Astrophysics · Physics 2011-02-11 T. R. Geballe , R. E. Mason , A. Rodríguez-Ardila , D. J. Axon

We investigate the fueling and the feedback of star formation and nuclear activity in NGC1068, a nearby (D=14Mpc) Seyfert 2 barred galaxy, by analyzing the distribution and kinematics of the molecular gas in the disk. We have used ALMA to…

Context. Several bright emission line regions have been observed in the central 100 parsecs of the active galaxy NGC 1068. Aims. We aim to determine the properties and ionization mechanism of three regions of NGC 1068: the nucleus (B) and…

Astrophysics of Galaxies · Physics 2023-09-12 P. Vermot , B. Barna , S. Ehlerová , M. R. Morris , J. Palous , R. Wünsch
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