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    • The SAURON project – XVI : On the sources of ionization for the gas in elliptical and lenticular galaxies 

      Sarzi, M.; Shields, J.C.; Schawinski, K.; Jeong, H.J.; Shapiro, K.; Bacon, R.; Bureau, M.; Capellari, M.; Davies, R.L.; de Zeeuw, P.T.; Emsellem, E.; Falcon-Barroso, J.; Krajnovic, D.; Kuntschner, H.; McDermid, R.M.; Peletier, R.F.; van den Bosch, R.C.E.; van de Ven, G.; Yi, S.K. (2010)
      Following our study on the incidence, morphology and kinematics of the ionized gas in early-type galaxies, we now address the question of what is powering the observed nebular emission. To constrain the likely sources of ...