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Galaxy Bulges and Elliptical Galaxies (PDF 16P)

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Galaxy Bulges and Elliptical Galaxies (PDF 16P)

Galaxy Bulges and Elliptical Galaxies (PDF 16P)

Our knowledge on the central components of disk galaxies has grown substantially in the past few decades, particularly so in the last. This frantic activity and the complexity of the subject promote confusion in the community. In these notes the author discuss the concept of galactic bulge and its different flavors. This also address fundamental scaling relations and the bulge-elliptical galaxy connection, their central black holes and formation models. In particular, this book aims at conveying three important notions: box peanuts are just the inner parts of bars; the physical reality of two different families of bulges is evident and  at the high mass end, at least, classical bulges are not just scaled down ellipticals surrounded by disks.

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s16 Pages

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Our knowledge on the central components of disk galaxies has grown substantially in the past few decades, particularly so in the last. This frantic activity and the complexity of the subject promote confusion in the community. In these notes the author discuss the concept of galactic bulge and its different flavors. This also address fundamental scaling relations and the bulge-elliptical galaxy connection, their central black holes and formation models. In particular, this book aims at conveying three important notions: box peanuts are just the inner parts of bars; the physical reality of two different families of bulges is evident and  at the high mass end, at least, classical bulges are not just scaled down ellipticals surrounded by disks.

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