Observations of Barred Spirals

Observations of Barred Spirals

Observations of barred spiral galaxies are discussed which show that the presence of a bar increases the likelihood for grand design spiral structure only in early Hubble types. This result is contrary to the more common notion that grand design spiral structure generally accompanies bars in galaxie...

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Veröffentlicht in:Annals of the New York Academy of Sciences 1990-06, Vol.596 (1), p.53-57
1. Verfasser: ELMEGREEN, DEBRA MELOY
Format: Artikel
Sprache:eng
Schlagworte:
Astronomy
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
COLOR
CONFIGURATION
Earth, ocean, space
ELECTROMAGNETIC RADIATION
Exact sciences and technology
GALAXIES
INFRARED RADIATION
Interstellar medium (ism) and nebulae in external galaxies
LUMINOSITY
MORPHOLOGY
MOTION
NEAR INFRARED RADIATION
OPTICAL PROPERTIES
ORGANOLEPTIC PROPERTIES
PHOTOGRAPHY
PHYSICAL PROPERTIES
RADIATIONS 640105 > Astrophysics & Cosmology-- Galaxies
ROTATION
SPIRAL CONFIGURATION
Stellar systems. Galactic and extragalactic objects and systems. The universe
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Beschreibung
Zusammenfassung:Observations of barred spiral galaxies are discussed which show that the presence of a bar increases the likelihood for grand design spiral structure only in early Hubble types. This result is contrary to the more common notion that grand design spiral structure generally accompanies bars in galaxies. Enhanced deprojected color images are shown which reveal that a secondary set of spiral arms commonly occurs in barred galaxies and also occasionally in ovally distorted galaxies. 6 refs.
ISSN:0077-8923
1749-6632
DOI:10.1111/j.1749-6632.1990.tb27411.x