An XMM-Newton Early-type Galaxy Atlas

被引：2

作者：

Islam, Nazma ^{[1
,6
,7
]}

Kim, Dong-Woo ^{[1
]}

Lin, Kenneth ^{[2
,3
]}

O'Sullivan, Ewan ^{[1
]}

Anderson, Craig ^{[1
]}

Fabbiano, Giuseppina ^{[1
]}

Lauer, Jennifer ^{[1
]}

Morgan, Douglas ^{[1
]}

Mossman, Amy ^{[1
]}

Paggi, Alessandro ^{[4
]}

Trinchieri, Ginevra ^{[5
]}

Vrtilek, Saeqa ^{[1
]}

机构：

[1] Harvard & Smithsonian, Ctr Astrophys, 60 Garden St, Cambridge, MA 02138 USA

[2] Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA

[3] Lawrence Berkeley Natl Lab, 1 Cyclotron Rd, Berkeley, CA 94720 USA

[4] INAF Osservatorio Astrofis Torino, Via Osservatorio 20, I-10025 Pino Torinese, Italy

[5] INAF Osservatorio Astron Brera, Via Brera 28, I-20121 Milan, Italy

[6] Univ Maryland Baltimore Cty, Ctr Space Sci & Technol, 1000 Hilltop Circle, Baltimore, MD 21250 USA

[7] NASA, Goddard Space Flight Ctr, Xray Astrophys Lab, Code 916, Greenbelt, MD 20771 USA

来源：

ASTROPHYSICAL JOURNAL SUPPLEMENT SERIES | 2021年 / 256卷 / 01期

关键词：

HOT INTERSTELLAR-MEDIUM; NORMAL ELLIPTIC GALAXIES; X-RAY GAS; TEMPERATURE PROFILES; CHANDRA OBSERVATIONS; FOSSIL GROUPS; FEEDBACK; SAMPLE; NGC-4636; NEARBY;

D O I：

10.3847/1538-4365/ac0f79

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The distribution of hot interstellar medium in early-type galaxies (ETGs) bears the imprint of the various astrophysical processes it underwent during its evolution. The X-ray observations of these galaxies have identified various structural features related to active galactic nucleus (AGN) and stellar feedback and environmental effects such as merging and sloshing. In our XMM-Newton Galaxy Atlas (NGA) project, we analyze archival observations of 38 ETGs, utilizing the high sensitivity and large field of view of XMM-Newton to construct spatially resolved 2D spectral maps of the hot gas halos. To illustrate our NGA data products in conjunction with the Chandra Galaxy Atlas, we describe two distinct galaxies, NGC 4636 and NGC 1550, in detail. We discuss their evolutionary history with a particular focus on the asymmetric distribution of metal-enriched, low-entropy gas caused by sloshing and AGN-driven uplift. We will release the NGA data products to a dedicated website, from where users can download them to perform further analyses.

引用

页数：13

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