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Probing Galaxy Evolution Through Deep Radio Continuum Observations
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Book Synopsis Probing Galaxy Evolution Through Deep Radio Continuum Observations by : Hansung Gim
Download or read book Probing Galaxy Evolution Through Deep Radio Continuum Observations written by Hansung Gim and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the most important questions in modern astrophysics is how galaxies form and evolve. There are numerous processes involved in galaxy evolution, but the stellar mass buildup and supermassive black hole growth are two main drivers in galaxy evolution. Those activities are heavily obscured by dust, so we need another tracer without dust attenuation: low-frequency radio continuum observation. We understand the galaxy evolution through the deep radio continuum observations on the Great Observatories Origins Deep Survey (GOODS)-North, -South, and the COSMOS HI Large Extragalactic Survey (CHILES) fields. Exploiting the multi-wavelength dataset, we define the radio populations such as star-formation (SF) dominated, active galactic nuclei (AGN)-dominated, and passive galaxies by applying new selection criteria. Populations are defined according to the relative contributions of SF and AGN luminosities to the bolometric luminosities of host galaxies and star formation properties. We explore the physical properties of radio populations, interpret their properties in the context of galaxy evolution, and show that our results of radio populations are consistent with the galaxy evolution scenarios. These results are the same for the GOODS and CHILES fields. Our investigation of the radio spectral index and radio-FIR correlation for the GOODS fields show that the radio spectral index is characteristic of each population and the radio-FIR correlation is a robust tracer of star formation activity. The analysis of radio spectral index shows the prominence of steep spectrum sources at faint flux density first as expected in the Euclidean normalized number counts. We also show that the radio spectral index should be calculated by matching the beam sizes of images. The evolution of the radio-FIR correlation in SF-dominated galaxies is not found significantly with our data. On the other hand, the analysis of radio spectral index for the CHILES is not consistent with the result of the GOODS due to the larger difference of beam area. This inconsistency gives important implications for the future works.
Book Synopsis Probing Galaxy Evolution by Unveiling the Structure of Massive Galaxies Across Cosmic Time and in Diverse Environments by : Timothy Michael Weinzirl
Download or read book Probing Galaxy Evolution by Unveiling the Structure of Massive Galaxies Across Cosmic Time and in Diverse Environments written by Timothy Michael Weinzirl and published by . This book was released on 2014-08-31 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Investigating Observational Probes of Galaxy Evolution in Observations and Simulations by : Dominic Bates
Download or read book Investigating Observational Probes of Galaxy Evolution in Observations and Simulations written by Dominic Bates and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Probing the Dark Ages by : Daniel Keith Stevens
Download or read book Probing the Dark Ages written by Daniel Keith Stevens and published by . This book was released on 1999 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Probing the Disk-Jet Connection of the Radio Galaxy 3C120 Observed With Suzaku by :
Download or read book Probing the Disk-Jet Connection of the Radio Galaxy 3C120 Observed With Suzaku written by and published by . This book was released on 2007 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Deep Millimeter Surveys: Implications For Galaxy Formation And Evolution by : David H Hughes
Download or read book Deep Millimeter Surveys: Implications For Galaxy Formation And Evolution written by David H Hughes and published by World Scientific. This book was released on 2001-10-29 with total page 223 pages. Available in PDF, EPUB and Kindle. Book excerpt: The arrival of large submillimeter and millimeter-wave detector arrays opened a new window on galaxy formation and evolution. The major new facilities now being designed or constructed, such as ALMA (MMA) and the Large Millimeter Telescope (LMT), will soon be expanding the horizons even farther.The Conference on “Deep Millimeter Surveys: Implications for Galaxy Formation and Evolution” drew together the major international groups working on submillimeter and millimeter-wave galaxies to discuss their relation to other galaxies both near by and in the early Universe, the role of the LMT and other new facilities in advancing the new field, and the implications of the new results and models for our understanding of galaxy formation and evolution. The resulting compendium of reports on observations, simulations, theory and interpretation, and instrumentation is the first book to present the new millimeter view of the early Universe thoroughly in a single volume.
Book Synopsis Looking Deep in the Southern Sky by : Raffaella Morganti
Download or read book Looking Deep in the Southern Sky written by Raffaella Morganti and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: The idea of a joint ESO / Australia meeting on the large number of exciting new facilities that are, or will soon be, available tihne southern hemisphere arose quite naturally. In the optical and the near-infrared, the Very Large Telescope (VLT) will soon be operational. In the radio, the Australia Telescope Com pact Array is going to be upgraded to higher frequencies (20 and 100 GHz), together with an improvement in very long baseline interferometry (VLBI) facil ities. Other major facilities, such as the Large Millimetre Array and the lkT are being planned. Moreover, new deep surveys are underway in the southern hemi sphere: the southern Hubble Deep Field, the ESO Imaging Survey (BIS), pan oramic deep surveys with the UK Schmidt telescope, and the Anglo-Australian Telescope (AAT) 2dF galaxy/QSO redshift survey in the optical; and the Parkes multibeam HI survey and Molonglo Observatory Synthesis Telescope (MOST) Wide Field continuum survey at radio wavelengths. With all these new facilities, important progress will be made regarding important issues such as the large scale structure of the universe, the very early universe and the associated first epoch of galaxy formation. The generation of large databases, and the oppor tunity for sensitive follow-up observations in complementary wavebands, mean that coordinated radio, infrared and optical projects in the southern hemisphere are likely to become increasingly attractive and important.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Triggered Star Formation in a Turbulent Interstellar Medium (IAU S237) by : International Astronomical Union. Symposium
Download or read book Triggered Star Formation in a Turbulent Interstellar Medium (IAU S237) written by International Astronomical Union. Symposium and published by Cambridge University Press. This book was released on 2007-05-28 with total page 544 pages. Available in PDF, EPUB and Kindle. Book excerpt: New stars form in the dense turbulent gas clouds of galaxies, and the formation of these clouds is the subject of the IAU S237. This book is the most up-to-date review of all aspects of cloud and star formation, and one of the few compendiums available on ISM turbulence.
Book Synopsis Probing Stellar Populations Out to the Distant Universe by : L. A. Antonelli
Download or read book Probing Stellar Populations Out to the Distant Universe written by L. A. Antonelli and published by American Institute of Physics. This book was released on 2009-05-26 with total page 694 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cefalu, Sicily, Italy, 7-19 September 2008
Book Synopsis Mass-Transfer Induced Activity in Galaxies by : Isaac Shlosman
Download or read book Mass-Transfer Induced Activity in Galaxies written by Isaac Shlosman and published by Cambridge University Press. This book was released on 2003-10-30 with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt: How gas flows and starbursts light up active galaxies.
Book Synopsis Probing Galaxy Evolution with AKARI. by : Helen Davidge
Download or read book Probing Galaxy Evolution with AKARI. written by Helen Davidge and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multiwavelength Mapping of Galaxy Formation and Evolution by : Alvio Renzini
Download or read book Multiwavelength Mapping of Galaxy Formation and Evolution written by Alvio Renzini and published by Springer Science & Business Media. This book was released on 2005-05-23 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: The possibilities of astronomical observation have dramatically increased over the last decade. Major satellites, like the Hubble Space Telescope, Chandra and XMM Newton, are complemented by numerous large ground-based observatories, from 8m-10m optical telescopes to sub-mm and radio facilities. As a result, observational astronomy has access to virtually the whole electromagnetic spectrum of galaxies, even at high redshifts. Theoretical models of galaxy formation and cosmological evolution now face a serious challenge to match the plethora of observational data. In October 2003, over 170 astronomers from 15 countries met for a 4-day workshop to extensively illustrate and discuss all major observational projects and ongoing theoretical efforts to model galaxy formation and evolution. This volume contains the complete proceedings of this meeting and is therefore a unique and timely overview of the current state of research in this rapidly evolving field.
Book Synopsis The Radio Continuum of Star-forming Galaxies by : Joshua Robert Marvil
Download or read book The Radio Continuum of Star-forming Galaxies written by Joshua Robert Marvil and published by . This book was released on 2014 with total page 772 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Probing Global Star and Galaxy Formation Using Deep Multi-wavelength Surveys by : Peter L. Capak
Download or read book Probing Global Star and Galaxy Formation Using Deep Multi-wavelength Surveys written by Peter L. Capak and published by . This book was released on 2004 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Radio Continuum Observations of the Spiral Galaxy IC 342 by :
Download or read book Radio Continuum Observations of the Spiral Galaxy IC 342 written by and published by . This book was released on 1977 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Panchromatic View of Galaxies by : Alessandro Boselli
Download or read book A Panchromatic View of Galaxies written by Alessandro Boselli and published by John Wiley & Sons. This book was released on 2012-01-13 with total page 343 pages. Available in PDF, EPUB and Kindle. Book excerpt: Describing how to investigate all kinds of galaxies through a multifrequency analysis, this text is divided into three different sections. The first describes the data currently available at different frequencies, from X-rays to UV, optical, infrared and radio millimetric and centimetric, while explaining their physical meaning. In the second section, the author explains how these data can be used to determine physical parameters and quantities, such as mass and temperature. The final section is devoted to describing how the derived quantities can be used in a multifrequency analysis to study such physical processes as the star formation cycle and constrain models of galaxy evolution. As a result, observers will be able to interpret galaxies and their structure.
