Search Results - "BAUM, A. S"
-
1
Constraining cold accretion on to supermassive black holes: molecular gas in the cores of eight brightest cluster galaxies revealed by joint CO and CN absorption
Published in Monthly notices of the Royal Astronomical Society (11-10-2019)“…To advance our understanding of the fuelling and feedback processes which power the Universe’s most massive black holes, we require a significant increase in…”
Get full text
Journal Article -
2
Chandra observation of two shock fronts in the merging galaxy cluster Abell 2146
Published in Monthly notices of the Royal Astronomical Society (11-08-2010)“…We present a new Chandra observation of the galaxy cluster Abell 2146 which has revealed a complex merging system with a gas structure that is remarkably…”
Get full text
Journal Article -
3
ALMA observations of cold molecular gas filaments trailing rising radio bubbles in PKS 0745−191
Published in Monthly notices of the Royal Astronomical Society (21-05-2016)“…We present ALMA observations of the CO(1–0) and CO(3–2) line emission tracing filaments of cold molecular gas in the central galaxy of the cluster…”
Get full text
Journal Article -
4
Optical- and UV-continuum Morphologies of Compact Radio Source Hosts
Published in The Astrophysical journal (01-04-2024)“…We present the first systematic search for UV signatures from radio source-driven active galactic nuclei (AGN) feedback in Compact Steep Spectrum (CSS) radio…”
Get full text
Journal Article -
5
Deep and narrow CO absorption revealing molecular clouds in the Hydra-A brightest cluster galaxy
Published in Monthly notices of the Royal Astronomical Society (01-05-2019)“…Active galactic nuclei play a crucial role in the accretion and ejection of gas in galaxies. Although their outflows are well studied, finding direct evidence…”
Get full text
Journal Article -
6
Shock fronts, electron-ion equilibration and intracluster medium transport processes in the merging cluster Abell 2146
Published in Monthly notices of the Royal Astronomical Society (01-06-2012)“…We present a new 400-ks Chandra X-ray observation of the merging galaxy cluster Abell 2146. This deep observation reveals detailed structure associated with…”
Get full text
Journal Article -
7
The Close AGN Reference Survey (CARS): An Interplay between Radio Jets and AGN Radiation in the Radio-quiet AGN HE0040-1105
Published in The Astrophysical journal (01-12-2023)“…We present a case study of HE 0040-1105, an unobscured radio-quiet active galactic nucleus (AGN) at a high accretion rate of λ Edd = 0.19 ± 0.04. This…”
Get full text
Journal Article -
8
A molecular absorption line survey towards the AGN of Hydra-A
Published in Monthly notices of the Royal Astronomical Society (21-07-2020)“…ABSTRACT We present Atacama Large Millimetre/submillimetre Array observations of the brightest cluster galaxy Hydra-A, a nearby (z = 0.054) giant elliptical…”
Get full text
Journal Article -
9
Far-ultraviolet morphology of star-forming filaments in cool core brightest cluster galaxies
Published in Monthly notices of the Royal Astronomical Society (21-08-2015)“…We present a multiwavelength morphological analysis of star-forming clouds and filaments in the central (≲50 kpc) regions of 16 low-redshift (z < 0.3) cool…”
Get full text
Journal Article -
10
A Radio Study of the Seyfert Galaxy Markarian 6: Implications for Seyfert Life Cycles
Published in The Astrophysical journal (20-11-2006)“…We have carried out an extensive radio study with the Very Large Array on the Seyfert 1.5 galaxy Mrk 6 and imaged a spectacular radio structure in the source…”
Get full text
Journal Article -
11
Chandra Observations of 3C Radio Sources with z < 0.3: Nuclei, Diffuse Emission, Jets, and Hotspots
Published in The Astrophysical journal (01-05-2010)“…We report on our Chandra Cycle 9 program to observe half of the 60 (unobserved by Chandra) 3C radio sources at z < 0.3 for 8 ks each. Here we give the basic…”
Get full text
Journal Article -
12
Herschel observations of the Centaurus cluster - the dynamics of cold gas in a cool core
Published in Monthly notices of the Royal Astronomical Society (01-12-2011)“…Brightest cluster galaxies (BCGs) in the cores of galaxy clusters have distinctly different properties from other low-redshift massive ellipticals. The…”
Get full text
Journal Article -
13
The bow shock, cold fronts and disintegrating cool core in the merging galaxy group RX J0751.3+5012
Published in Monthly notices of the Royal Astronomical Society (11-10-2014)“…We present a new Chandra X-ray observation of the off-axis galaxy group merger RX J0751.3+5012. The hot atmospheres of the two colliding groups appear highly…”
Get full text
Journal Article -
14
MODELING THE INFRARED EMISSION IN CYGNUS A
Published in The Astrophysical journal (01-03-2012)“…We present new Spitzer IRS spectroscopy of Cygnus A, one of the most luminous radio sources in the local universe. Data on the inner 20" are combined with new…”
Get full text
Journal Article -
15
Dynamical analysis of galaxy cluster merger Abell 2146
Published in Monthly notices of the Royal Astronomical Society (01-11-2015)“…We present a dynamical analysis of the merging galaxy cluster system Abell 2146 using spectroscopy obtained with the Gemini Multi-Object Spectrograph on the…”
Get full text
Journal Article -
16
The Jet of 3C 17 and the Use of Jet Curvature as a Diagnostic of the X-ray Emission Process
Published in The Astrophysical journal (01-05-2009)“…We report on the X-ray emission from the radio jet of 3C 17 from Chandra observations and compare the X-ray emission with radio maps from the VLA archive and…”
Get full text
Journal Article -
17
Quasars, their host galaxies and their central black holes
Published in Monthly notices of the Royal Astronomical Society (21-04-2003)“…We present the final results from our deep Hubble Space Telescope (HST) imaging study of the host galaxies of radio-quiet quasars (RQQs), radio-loud quasars…”
Get full text
Journal Article -
18
A comparative HST imaging study of the host galaxies of radio-quiet quasars, radio-loud quasars and radio galaxies — I
Published in Monthly notices of the Royal Astronomical Society (19-09-1999)“…We present the first results from a major HST WFPC2 imaging study aimed at providing the first statistically meaningful comparison of the morphologies,…”
Get full text
Journal Article -
19
The nature of the jet-driven outflow in the radio galaxy 3C 305
Published in Monthly notices of the Royal Astronomical Society (11-08-2012)“…Abstract We present Chandra X-ray and Very Large Array radio observations of the radio galaxy 3C 305. The X-ray observations reveal the details of the…”
Get full text
Journal Article -
20
Extended X-Ray Emission in Radio Galaxies: The Peculiar Case of 3C 305
Published in The Astrophysical journal (20-02-2009)Get full text
Journal Article