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A Structural NIR Analysis of the Interacting Pair of Galaxies KPG 404 (NGC 5394/95)

Published online by Cambridge University Press:  26 May 2016

Margarita Valdez-Gutiérrez ,
Ivânio Puerari  and
Izbeth Hernández-López
Margarita Valdez-Gutiérrez
Affiliation:
Departamento de Astronomía, Universidad de Guanajuato, Apartado Postal 144, 36000 Guanajuato, Gto, Mexico
Ivânio Puerari
Affiliation:
INAOE, Calle Luis Enrique Erro #1, 72840 Tonantzintla, Pue, Mexico
Izbeth Hernández-López
Affiliation:
INAOE, Calle Luis Enrique Erro #1, 72840 Tonantzintla, Pue, Mexico

Abstract

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We present near infrared observations in J, H and K' pass-bands of the interacting pair of galaxies KPG 404 (NGC 5394/95). We calculate total magnitudes, surface brightnesses and colour profiles. We present the growth curve to compare our photometry against earlier works in which circular aperture estimations were published. We also perform a structural (disk + bulge) analysis to get insight on the morphology of the pair. The disk+bulge fit shows that NGC 5394 (KPG 404A) is more compact than normal galaxies, while NGC 5395 (KPG 404B) is less concentrated. This suggests an interacting scenario in which NGC 5394 passes through the disk of NGC 5395 (a Cartwheel-type collision), rather than a passage as M51-type pairs.

Type
Part 3. Ejection and Outflow
Information
Symposium - International Astronomical Union , Volume 217: Recycling Intergalactic and Interslettar Matter , 2004 , pp. 428 - 429
Copyright
Copyright © Astronomical Society of the Pacific 2004 

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