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Integralfield Spectroscopy of Galaxies


Marketed By :  AV Akademikerverlag   Sold By :  Kamal Books International  
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  • Product Description

It has long been known that galaxies undergo morphological and chemical changes within their lifetime due to interactions and mergers with other galaxies. We also know that the internal evolution of a galaxy influences the surrounding material on a kiloparsec scale. Kinematic studies show large scale gas flows in interacting galaxies: The metal-poor gas is carried from the outskirts of the galaxy towards the center where the accreted material ultimately fuels the black hole of the active galactic nucleus. Additionally, material from the central region is torqued out of the system in outflows. The combination of these processes causes the central metallicity to drop and a negative metallicity gradient can be measured. The following work portrays the Seyfert 1 galaxy UGC 1935 and introduces the investigation of decreasing metallicity gradients towards the center of an active galaxy. The results are compared with the Seyfert 2 galaxy Mrk 607 which, though part of a group, does not yet seem to be in interaction. VLT’s VIMOS Integralfield Unit in high resolution was used for spatially resolved measurements of emission line ratios to identify metallicity gradients across the galaxies.

Product Specifications
SKU :COC78647
AuthorUlrike Kuchner
Number of Pages132
Publishing Year2014-06-18T00:00:00.000
Edition1 st
Book TypePhysics
Country of ManufactureIndia
Product BrandAV Akademikerverlag
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-10-08 00:00:00