S7: Probing the physics of Seyfert galaxies through their ENLR & HII regions

Michael A. Dopita, Prajval Shastri, Julia Scharwächter, Lisa J. Kewley, Rebecca Davies, Ralph Sutherland, Preeti Kharb, Jessy Jose, Harish Bhatt, S. Ramya, Elise Hampton, Chichuan Jin, Julie Banfield, Ingyin Zaw, Shweta Srivastava, Bethan James

Research output: Contribution to journalArticle

Abstract

Here we present the first results from the Siding Spring Southern Seyfert Spectroscopic Snapshot Survey (S7) which aims to investigate the physics of ∼ 140 radio-detected southern active Galaxies with z < 0.02 through Integral Field Spectroscopy using the Wide Field Spectrograph (WiFeS). This instrument provides data cubes of the central 38 x 25 arc sec. of the target galaxies in the waveband 340 ? 710nm with the unusually high resolution of R = 7000 in the red (530 ? 710nm), and R = 3000 in the blue (340 ? 560nm). These data provide the morphology, kinematics and the excitation structure of the extended narrow-line region, probe relationships with the black hole characteristics and the host galaxy, measures host galaxy abundance gradients and the determination of nuclear abundances from the HII regions. From photoionisation modelling, we may determine the shape of the ionising spectrum of the AGN, discover whether AGN metallicities differ from nuclear abundances determined from HII regions, and probe grain destruction in the vicinity of the AGN. Here we present some preliminary results and modelling of both Seyfert galaxies observed as part of the survey.

Original languageEnglish (US)
Pages (from-to)200-205
Number of pages6
JournalProceedings of the International Astronomical Union
Volume10
DOIs
StatePublished - Jan 1 2014

Fingerprint

Seyfert galaxies
physics
galaxies
probe
active galaxies
probes
modeling
destruction
spectrographs
metallicity
photoionization
kinematics
arcs
spectroscopy
radio
gradients
high resolution
excitation

Keywords

  • Galaxies: elliptical and lenticular, cD
  • Galaxies: evolution
  • Galaxies: formation

ASJC Scopus subject areas

  • Astronomy and Astrophysics

Cite this

Dopita, M. A., Shastri, P., Scharwächter, J., Kewley, L. J., Davies, R., Sutherland, R., ... James, B. (2014). S7: Probing the physics of Seyfert galaxies through their ENLR & HII regions. Proceedings of the International Astronomical Union, 10, 200-205. https://doi.org/10.1017/S1743921314009661

S7 : Probing the physics of Seyfert galaxies through their ENLR & HII regions. / Dopita, Michael A.; Shastri, Prajval; Scharwächter, Julia; Kewley, Lisa J.; Davies, Rebecca; Sutherland, Ralph; Kharb, Preeti; Jose, Jessy; Bhatt, Harish; Ramya, S.; Hampton, Elise; Jin, Chichuan; Banfield, Julie; Zaw, Ingyin; Srivastava, Shweta; James, Bethan.

In: Proceedings of the International Astronomical Union, Vol. 10, 01.01.2014, p. 200-205.

Research output: Contribution to journalArticle

Dopita, MA, Shastri, P, Scharwächter, J, Kewley, LJ, Davies, R, Sutherland, R, Kharb, P, Jose, J, Bhatt, H, Ramya, S, Hampton, E, Jin, C, Banfield, J, Zaw, I, Srivastava, S & James, B 2014, 'S7: Probing the physics of Seyfert galaxies through their ENLR & HII regions', Proceedings of the International Astronomical Union, vol. 10, pp. 200-205. https://doi.org/10.1017/S1743921314009661
Dopita, Michael A. ; Shastri, Prajval ; Scharwächter, Julia ; Kewley, Lisa J. ; Davies, Rebecca ; Sutherland, Ralph ; Kharb, Preeti ; Jose, Jessy ; Bhatt, Harish ; Ramya, S. ; Hampton, Elise ; Jin, Chichuan ; Banfield, Julie ; Zaw, Ingyin ; Srivastava, Shweta ; James, Bethan. / S7 : Probing the physics of Seyfert galaxies through their ENLR & HII regions. In: Proceedings of the International Astronomical Union. 2014 ; Vol. 10. pp. 200-205.
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