The Bulge of M33

Dante Minniti; Edward W. Olszewski; Marcia Rieke

doi:10.1086/186884

The Bulge of M33

Dante Minniti, Edward W. Olszewski, Marcia Rieke

Facultad Ciencias Exactas

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

44 Citas (Scopus)

Resumen

H-band imaging of the central region of the Local Group galaxy M33 reveals a bulge with effective radius 0.5 kpc. The brightest bulge stars are resolved. After subtraction of disk contamination, we conclude that the brightest M33 bulge stars are substantially brighter than the brightest stars found in the Milky Way bulge. This fact suggests that the star formation histories of all bulges are not the same; specifically, M33's bulge underwent a star formation episode less than 1 Gyr ago.

Idioma original	Inglés
Páginas (desde-hasta)	L79-L82
Publicación	Astrophysical Journal
Volumen	410
N.º	2 PART 2
DOI	https://doi.org/10.1086/186884
Estado	Publicada - 20 jun. 1993

Áreas temáticas de ASJC Scopus

Astronomía y astrofísica
Ciencias planetarias y espacial

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title = "The Bulge of M33",

abstract = "H-band imaging of the central region of the Local Group galaxy M33 reveals a bulge with effective radius 0.5 kpc. The brightest bulge stars are resolved. After subtraction of disk contamination, we conclude that the brightest M33 bulge stars are substantially brighter than the brightest stars found in the Milky Way bulge. This fact suggests that the star formation histories of all bulges are not the same; specifically, M33's bulge underwent a star formation episode less than 1 Gyr ago.",

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AU - Rieke, Marcia

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N2 - H-band imaging of the central region of the Local Group galaxy M33 reveals a bulge with effective radius 0.5 kpc. The brightest bulge stars are resolved. After subtraction of disk contamination, we conclude that the brightest M33 bulge stars are substantially brighter than the brightest stars found in the Milky Way bulge. This fact suggests that the star formation histories of all bulges are not the same; specifically, M33's bulge underwent a star formation episode less than 1 Gyr ago.

AB - H-band imaging of the central region of the Local Group galaxy M33 reveals a bulge with effective radius 0.5 kpc. The brightest bulge stars are resolved. After subtraction of disk contamination, we conclude that the brightest M33 bulge stars are substantially brighter than the brightest stars found in the Milky Way bulge. This fact suggests that the star formation histories of all bulges are not the same; specifically, M33's bulge underwent a star formation episode less than 1 Gyr ago.

KW - Galaxies: stellar content

KW - Galaxies: structure

KW - Local Group

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ER -

The Bulge of M33

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