Malin 1: A deeper look

Lesa Moore; Quentin A. Parker

doi:10.1071/AS06022

Malin 1: A deeper look

Lesa Moore^*, Quentin A. Parker

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

Our R-band data show that the optical light from Malin 1 corresponds well with the >2-arcmin extent of the galaxy's Hi content and continues well beyond previously published V-band optical light radial profiles. Analysis of our image yields improved understanding of the galaxy's properties. We measure ellipticity of 0.20 ± 0.03, implying inclination of 38 ± 3°, and we trace the radial profile to 77 arcsec. A single dusty spiral arm is also weakly discernable, and is consistent with the rotation direction of the Hi and spiral structure of the inner disk. Possible scenarios for the origin of the spiral structure are discussed.

Original language	English
Pages (from-to)	165-169
Number of pages	5
Journal	Publications of the Astronomical Society of Australia
Volume	23
Issue number	4
DOIs	https://doi.org/10.1071/AS06022
Publication status	Published - 2006

Keywords

Galaxies: evolution
Galaxies: fundamental parameters
Galaxies: individual (Malin 1)
Techniques: image processing

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10.1071/AS06022

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title = "Malin 1: A deeper look",

abstract = "Our R-band data show that the optical light from Malin 1 corresponds well with the >2-arcmin extent of the galaxy's Hi content and continues well beyond previously published V-band optical light radial profiles. Analysis of our image yields improved understanding of the galaxy's properties. We measure ellipticity of 0.20 ± 0.03, implying inclination of 38 ± 3°, and we trace the radial profile to 77 arcsec. A single dusty spiral arm is also weakly discernable, and is consistent with the rotation direction of the Hi and spiral structure of the inner disk. Possible scenarios for the origin of the spiral structure are discussed.",

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pages = "165--169",

journal = "Publications of the Astronomical Society of Australia",

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T2 - A deeper look

AU - Moore, Lesa

AU - Parker, Quentin A.

PY - 2006

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N2 - Our R-band data show that the optical light from Malin 1 corresponds well with the >2-arcmin extent of the galaxy's Hi content and continues well beyond previously published V-band optical light radial profiles. Analysis of our image yields improved understanding of the galaxy's properties. We measure ellipticity of 0.20 ± 0.03, implying inclination of 38 ± 3°, and we trace the radial profile to 77 arcsec. A single dusty spiral arm is also weakly discernable, and is consistent with the rotation direction of the Hi and spiral structure of the inner disk. Possible scenarios for the origin of the spiral structure are discussed.

AB - Our R-band data show that the optical light from Malin 1 corresponds well with the >2-arcmin extent of the galaxy's Hi content and continues well beyond previously published V-band optical light radial profiles. Analysis of our image yields improved understanding of the galaxy's properties. We measure ellipticity of 0.20 ± 0.03, implying inclination of 38 ± 3°, and we trace the radial profile to 77 arcsec. A single dusty spiral arm is also weakly discernable, and is consistent with the rotation direction of the Hi and spiral structure of the inner disk. Possible scenarios for the origin of the spiral structure are discussed.

KW - Galaxies: evolution

KW - Galaxies: fundamental parameters

KW - Galaxies: individual (Malin 1)

KW - Techniques: image processing

UR - http://www.scopus.com/inward/record.url?scp=33947429712&partnerID=8YFLogxK

U2 - 10.1071/AS06022

DO - 10.1071/AS06022

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VL - 23

SP - 165

EP - 169

JO - Publications of the Astronomical Society of Australia

JF - Publications of the Astronomical Society of Australia

IS - 4

ER -

Malin 1: A deeper look

Abstract

Keywords

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