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Revisiting the innermost kinematics of M31 galaxy with the OMM Fabry-Perot interferometer

Published online by Cambridge University Press:  14 May 2020

Sié Zacharie Kam
Affiliation:
Laboratoire de Physique et de Chimie de l’Environnement, Université Joseph Ki-Zerbo, 03 BP 7021 Ouaga 03, Burkina Faso, szachkam@gmail.com
Claude Carignan
Affiliation:
Laboratoire de Physique et de Chimie de l’Environnement, Université Joseph Ki-Zerbo, 03 BP 7021 Ouaga 03, Burkina Faso, szachkam@gmail.com Department of Astronomy, University of Cape Town, Private Bag X3, Rondebosch 7701, South Africa, ccarignan@astro.uct.ca Laboratoire d’Astrophysique Expérimentale (LAE), Département de physique, Université de Montréal, C.P. 6128, Succ. Centre-Ville, Montréal, QC, Canada H3C 3J7
Michel Marcelin
Affiliation:
Laboratoire d’Astrophysique de Marseille, Aix Marseille Univ, CNRS, Pôle de l’Étoile Site de Château-Gombert 38, rue Frédéric Joliot-Curie 13388 Marseille cedex 13 FRANCE
Philippe Amram
Affiliation:
Laboratoire d’Astrophysique Expérimentale (LAE), Département de physique, Université de Montréal, C.P. 6128, Succ. Centre-Ville, Montréal, QC, Canada H3C 3J7
Jean Koulidiati
Affiliation:
Laboratoire de Physique et de Chimie de l’Environnement, Université Joseph Ki-Zerbo, 03 BP 7021 Ouaga 03, Burkina Faso, szachkam@gmail.com
Corresponding

Abstract

We present observations on optical emission lines acquired with the scanning Fabry-Perot interferometer of the observatoire du Mont Mégantic, of the Andromeda galaxy (M31). A 765 order Fabry-Perot were used with a fast readout EM-CCD. From data obtained, kinematic maps and data points for the rotation curve of the innermost part of the galaxy are derived. Several dozen of regions have been scanned with the Fabry-Perot interferometer and narrow band interference filters. The central 10’x10’ were scanned with five different filters. Observations have been made in order to get better Hα data for kinematics purposes.

Type
Contributed Papers
Copyright
© International Astronomical Union 2020

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Revisiting the innermost kinematics of M31 galaxy with the OMM Fabry-Perot interferometer
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