The Andromeda Galaxy and its Star Formation History

Denis Leahy

doi:10.20944/preprints202305.0973.v1

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preprints.org > physical sciences > astronomy and astrophysics > doi: 10.20944/preprints202305.0973.v1

Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

The Andromeda Galaxy and its Star Formation History

Denis Leahy

Version 1 : Received: 12 May 2023 / Approved: 15 May 2023 / Online: 15 May 2023 (03:54:17 CEST)
Version 2 : Received: 18 May 2023 / Approved: 19 May 2023 / Online: 19 May 2023 (07:24:53 CEST)

A peer-reviewed article of this Preprint also exists.

Leahy, D. The Andromeda Galaxy and Its Star Formation History. Universe 2023, 9, 349. Leahy, D. The Andromeda Galaxy and Its Star Formation History. Universe 2023, 9, 349.

Abstract

The state of knowledge of properties of the Andromeda Galaxy (also known as M31) is reviewed. The spatial structure of the Andromeda Galaxy, its main source populations and the properties of its gas and dust are discussed. To understand the formation history of the Andromeda Galaxy, the critical issues of its star formation history and the gas streams and dwarf galaxies in its surrounding environment are reviewed. Emphasis is on recent studies with important earlier work described in the references provided here. It is important to understand the Andromeda Galaxy because it is the nearest large external galaxy and is close enough for high resolution studies. This allows the Andromeda Galaxy to be used as a template to understand more distant and less resolved galaxies in the universe.

Keywords

spiral galaxies; star formation; galactic structure; galaxy formation

Subject

Physical Sciences, Astronomy and Astrophysics

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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