Astronomy; Research results from I. Trujillo and co-authors update knowledge of astronomy

Astronomy; Research results from I. Trujillo and co-authors update knowledge of astronomy

"Using the combined capabilities of the large near-infrared Palomar/DEEP-2 survey, and the superb resolution of the Advanced Camera for Surveys HST camera, we explore the size evolution of 831 very massive galaxies (M-star >= 10(11)h(70)(-2)M(circle dot)) since z similar to 2. We split our s...

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Bibliographic Details
Published in:Marketing Business Weekly 2008, p.384
Format: Newsletterarticle
Language:eng
Subjects:
Acquisitions & mergers
Astronomy
Marketing
Stars & galaxies
Studies
Online Access:Get full text
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Summary:"Using the combined capabilities of the large near-infrared Palomar/DEEP-2 survey, and the superb resolution of the Advanced Camera for Surveys HST camera, we explore the size evolution of 831 very massive galaxies (M-star >= 10(11)h(70)(-2)M(circle dot)) since z similar to 2. We split our sample according to their light concentration using the Sersic index n. At a given stellar mass, both low (n < 2.5) and high (n > 2.5) concentrated objects were much smaller in the past than their local massive counterparts," scientists writing in the journal Monthly Notices of the Royal Astronomical Society report.
ISSN:1944-2408
1944-2416