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Chandra Early-Type Galaxy Atlas

Published online by Cambridge University Press:  07 April 2020

Dong-Woo Kim
Affiliation:
Smithsonian Astrophysical Observatory 60 Garden Street, Cambridge, MA02138, USA
Craig Anderson
Affiliation:
Smithsonian Astrophysical Observatory 60 Garden Street, Cambridge, MA02138, USA
Douglas Burke
Affiliation:
Smithsonian Astrophysical Observatory 60 Garden Street, Cambridge, MA02138, USA
Raffaele D’Abrusco
Affiliation:
Smithsonian Astrophysical Observatory 60 Garden Street, Cambridge, MA02138, USA
Giuseppina Fabbiano
Affiliation:
Smithsonian Astrophysical Observatory 60 Garden Street, Cambridge, MA02138, USA
Antonella Fruscione
Affiliation:
Smithsonian Astrophysical Observatory 60 Garden Street, Cambridge, MA02138, USA
Jennifer Lauer
Affiliation:
Smithsonian Astrophysical Observatory 60 Garden Street, Cambridge, MA02138, USA
Michael McCollough
Affiliation:
Smithsonian Astrophysical Observatory 60 Garden Street, Cambridge, MA02138, USA
Douglas Morgan
Affiliation:
Smithsonian Astrophysical Observatory 60 Garden Street, Cambridge, MA02138, USA
Amy Mossman
Affiliation:
Smithsonian Astrophysical Observatory 60 Garden Street, Cambridge, MA02138, USA
Ewan O’Sullivan
Affiliation:
Smithsonian Astrophysical Observatory 60 Garden Street, Cambridge, MA02138, USA
Alessandro Paggi
Affiliation:
Smithsonian Astrophysical Observatory 60 Garden Street, Cambridge, MA02138, USA
Saeqa Vrtilek
Affiliation:
Smithsonian Astrophysical Observatory 60 Garden Street, Cambridge, MA02138, USA
Ginevra Trinchieri
Affiliation:
INAF-Osservatorio Astronomico di Brera, Via Brera 28, 20121 Milan, Italy

Abstract

The hot ISM in early-type galaxies (ETGs) plays a crucial role in understanding their formation and evolution. The structural features of the hot gas identified by Chandra observations point to key evolutionary mechanisms, (e.g., kim12). In our Chandra Galaxy Atlas (CGA) project, taking full advantage of the Chandra capabilities, we systematically analyzed the archival Chandra data of 72 ETGs and produced uniform data products of the hot gas properties. The main data products include spatially resolved 2D spectral maps of the hot gas from individual galaxies. We emphasize that new features can be identified in the spectral maps which are not easily visible in the surface brightness maps. The high-level images can be viewed at the dedicated CGA website, and the CGA data products can be downloaded to compare with other wavelength data and to perform user-specific analyses. Utilizing our data products, we will further address focused science topics.

Type
Contributed Papers
Copyright
© International Astronomical Union 2020

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References

Diehl, S. & Statler, T. S. 2007, ApJ, 668, 150CrossRefGoogle Scholar
Kim, D.-W. & Pellegrini, S. 2012Hot ISM in Elliptical GalaxiesASAL Vol. 378 (Springer)Google Scholar
Paggi, A. Kim, & Anderson, D.-W., C. et al. 2017, ApJ, 844, 5CrossRefGoogle Scholar

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