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Morphology, Kinematics and Star Formation in Spiral Galaxies in the Spitzer Survey of Stellar Structure in Galaxies (S4G)

Published online by Cambridge University Press:  21 March 2013

Santiago Erroz-Ferrer
Affiliation:
Instituto de Astrofísica de Canarias, Vía Láctea s/n 38205 La Laguna, Spain Departamento de Astrofísica, Universidad de La Laguna, 38206 La Laguna, Spain email: serroz@iac.es
Johan H. Knapen
Affiliation:
Instituto de Astrofísica de Canarias, Vía Láctea s/n 38205 La Laguna, Spain Departamento de Astrofísica, Universidad de La Laguna, 38206 La Laguna, Spain email: serroz@iac.es
Joan Font
Affiliation:
Instituto de Astrofísica de Canarias, Vía Láctea s/n 38205 La Laguna, Spain Departamento de Astrofísica, Universidad de La Laguna, 38206 La Laguna, Spain email: serroz@iac.es
John E. Beckman
Affiliation:
Instituto de Astrofísica de Canarias, Vía Láctea s/n 38205 La Laguna, Spain Departamento de Astrofísica, Universidad de La Laguna, 38206 La Laguna, Spain email: serroz@iac.es
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Abstract

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We present a study of the morphology, kinematics and star formation of a sample of 27 isolated spiral galaxies in the Spitzer Survey of Stellar Structure in Galaxies (S4G), on the basis of Hα Fabry-Perot (FP) data from the GHαFaS instrument at the William Herschel Telescope (WHT) in La Palma, complemented with images at 3.6 micron from the Spitzer Space Telescope, and with images in the R-band and in Hα taken with the ACAM instrument mounted on the WHT. With the FP data we can investigate the gas kinematics in terms of velocity maps and position-velocity diagrams, keys to constrain the secular evolution processes. We can also analyse the morphology and compute the star formation rate (SFR) with the ancillary data.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2013