NGC 1386 NGC 1365 Extras
Gas kinematics in the inner kiloparsec of NGC 1386 and NGC 1365: bipolar outflows, rotation and...an equatorial outflow!?
Davide Lena
A. Robinson, T. Storchi-Bergmann, T. Seelig, A. Schnorr-Muller, R. A. Riffel, G. Couto, L. Shadler, N. Nagar
Rochester Institute of Technology
Davide Lena - June 16 2015 - Future and science of GEMINI Gas kinematics in nearby Seyferts NGC 1386 NGC 1365 Extras Two galaxies in the Fornax cluster
Figure 1: DSS image from the MAST archive.
Davide Lena - June 16 2015 - Future and science of GEMINI Gas kinematics in nearby Seyferts NGC 1386 Overview NGC 1365 Results Extras Understanding NGC 1386
NGC 1386
Davide Lena - June 16 2015 - Future and science of GEMINI Gas kinematics in nearby Seyferts NGC 1386 Overview NGC 1365 Results Extras Understanding NGC 1386 NGC 1386
Figure 2: HST, HST zoom-in, GEMINI (our observation).
Davide Lena - June 16 2015 - Future and science of GEMINI Gas kinematics in nearby Seyferts NGC 1386 Overview NGC 1365 Results Extras Understanding NGC 1386 Representative spectra - NGC 1386
Figure 3: Continuum image of NGC 1386 and representative spectra.
Davide Lena - June 16 2015 - Future and science of GEMINI Gas kinematics in nearby Seyferts NGC 1386 Overview NGC 1365 Results Extras Understanding NGC 1386 Insights from the [FeVII] line
Figure 4: Continuum image of NGC 1386 and representative spectra.
Davide Lena - June 16 2015 - Future and science of GEMINI Gas kinematics in nearby Seyferts NGC 1386 Overview NGC 1365 Results Extras Understanding NGC 1386
Results
Davide Lena - June 16 2015 - Future and science of GEMINI Gas kinematics in nearby Seyferts NGC 1386 Overview NGC 1365 Results Extras Understanding NGC 1386 From single Gaussian spectral fitting
Figure 5: Velocity [km/s], velocity dispersion [km/s] and flux [10−16 erg/s/cm2/spaxel].
Davide Lena - June 16 2015 - Future and science of GEMINI Gas kinematics in nearby Seyferts NGC 1386 Overview NGC 1365 Results Extras Understanding NGC 1386 Velocity from multi Gaussian spectral fitting
Figure 6: Blueshifted broad component, narrow component, and the redshifted broad component. Units: km/s.
Davide Lena - June 16 2015 - Future and science of GEMINI Gas kinematics in nearby Seyferts NGC 1386 Overview NGC 1365 Results Extras Understanding NGC 1386 Flux from multi Gaussian fitting
Figure 7: Blueshifted broad component, narrow component, and the redshifted broad component. Units: 10−16 erg/s/cm2/spaxel.
Davide Lena - June 16 2015 - Future and science of GEMINI Gas kinematics in nearby Seyferts NGC 1386 Overview NGC 1365 Results Extras Understanding NGC 1386
Understanding NGC 1386
Davide Lena - June 16 2015 - Future and science of GEMINI Gas kinematics in nearby Seyferts NGC 1386 Overview NGC 1365 Results Extras Understanding NGC 1386 The inner 1 arcsec - a bipolar outflow
Figure 8: [NII] flux from our observation and [OIII] from HST imaging (Ferruit et al. 2000).
Davide Lena - June 16 2015 - Future and science of GEMINI Gas kinematics in nearby Seyferts NGC 1386 Overview NGC 1365 Results Extras Understanding NGC 1386 Isolating distortions in the gas velocity field
Figure 9: Velocity, model, residual, relevant features.
Davide Lena - June 16 2015 - Future and science of GEMINI Gas kinematics in nearby Seyferts NGC 1386 Overview NGC 1365 Results Extras Understanding NGC 1386 Isolating distortions in the velocity field
Figure 10: Velocity, model, residual, relevant features.
Davide Lena - June 16 2015 - Future and science of GEMINI Gas kinematics in nearby Seyferts NGC 1386 Overview NGC 1365 Results Extras Understanding NGC 1386 Our model for the nucleus of NGC 1386
Figure 11: [OIII] flux from Ferruit et al. 2000 and our model.
Davide Lena - June 16 2015 - Future and science of GEMINI Gas kinematics in nearby Seyferts NGC 1386 Overview NGC 1365 Results Extras Understanding NGC 1386 Our model for the nucleus of NGC 1386
Figure 12: [OIII] flux from Ferruit et al. 2000 and our model.
Davide Lena - June 16 2015 - Future and science of GEMINI Gas kinematics in nearby Seyferts NGC 1386 Overview NGC 1365 Results Extras Understanding NGC 1386 Our model for the nucleus of NGC 1386
Figure 13: [OIII] flux from Ferruit et al. 2000 and our model.
Davide Lena - June 16 2015 - Future and science of GEMINI Gas kinematics in nearby Seyferts NGC 1386 Overview NGC 1365 Results Extras Understanding NGC 1386 The most interesting result
Figure 14: Kinematical features coincident with the equatorial emission.
Davide Lena - June 16 2015 - Future and science of GEMINI Gas kinematics in nearby Seyferts NGC 1386 Overview NGC 1365 Results Extras Understanding NGC 1386 The most interesting result
Figure 15: Kinematical features coincident with the equatorial emission.
Davide Lena - June 16 2015 - Future and science of GEMINI Gas kinematics in nearby Seyferts NGC 1386 Overview NGC 1365 Results Extras Understanding NGC 1386
for more details
Lena et al. 2015, ApJ 806 84 - in press arXiv: 1504.05089
Davide Lena - June 16 2015 - Future and science of GEMINI Gas kinematics in nearby Seyferts NGC 1386 Overview NGC 1365 Preliminary results Extras
NGC 1365
Davide Lena - June 16 2015 - Future and science of GEMINI Gas kinematics in nearby Seyferts NGC 1386 Overview NGC 1365 Preliminary results Extras NGC 1365: the region observed
Figure 16: HST WFPC2 and NIC2, PI: Carollo.
Davide Lena - June 16 2015 - Future and science of GEMINI Gas kinematics in nearby Seyferts NGC 1386 Overview NGC 1365 Preliminary results Extras Representative spectra - NGC 1365
Figure 17: Continuum image of NGC 1365 and representative spectra.
Davide Lena - June 16 2015 - Future and science of GEMINI Gas kinematics in nearby Seyferts NGC 1386 Overview NGC 1365 Preliminary results Extras NGC 1365 - the narrow component
Figure 18: Left: velocity with model and residual. Right: velocity, density and [OIII] emission from Storchi-Bergmann & Bonatto, 1991.
Davide Lena - June 16 2015 - Future and science of GEMINI Gas kinematics in nearby Seyferts NGC 1386 NGC 1365 Extras
Extras
Davide Lena - June 16 2015 - Future and science of GEMINI Gas kinematics in nearby Seyferts NGC 1386 NGC 1365 Extras Mass outflow rate
−1 M˙ out ∼ 0.1 M yr
mpLHα M˙ out ∼ Tdynne jHα
40 −1 LHα ≈ 2 × 10 erg s −3 ne ≈ 1400 cm 5 Tdyn ≈ 4 × 10 yr −25 3 −1 jHα ≈ 3 × 10 cm erg s
Davide Lena - June 16 2015 - Future and science of GEMINI Gas kinematics in nearby Seyferts NGC 1386 NGC 1365 Extras Energy budget
E˙ out /Lbol ≈ 0.7%
2 2 E˙ out = 1/2M˙ out (v + 3σ ) = outflow kinetic power
Lbol = SBH accretion rate (proxy)
Davide Lena - June 16 2015 - Future and science of GEMINI Gas kinematics in nearby Seyferts