Deep IR imaging of two gas-rich radio galaxies

Details Deep IR imaging of two gas-rich radio galaxies Deep IR imaging of two gas-rich radio galaxies

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997hst..prop.7853j&link_type=abstract

HST Proposal ID #7853

Physics

Hst Proposal Id #7853 Agn And Quasars

Scientific paper

We propose deep, high resolution continuum, line and polarization imaging of the two best candidates for recent mergers amongst the low-redshift radio galaxies: 3C 305 and 3C 293. Our primary aim is to obtain a deep IR image to locate the true nuclei and clarify the structure of the galaxies in order to test merger models, since our optical view is confused by dense dust lanes, scattering, and strong emission lines associated with the kpc-scale radio jets. The results will help assess popular models in which mergers trigger AGN activity. Our secondary aim is to image the shock-excited 1.64 micron Fe ii line to trace fast shocks and hence help understand the relationship between the radio jets and the {possibly collimated} ionizing continuum. These two galaxies provide a very rare opportunity to study the impact of the jets on their environment, because they are interacting directly with the cold interstellar medium {absent in normal elliptical radio galaxies}. The extended optical emission lines are already well studied, but interpretation has been hampered by confusion between shock- and photo-ionization. Our tertiary aim is to obtain 2 micron polarimetry to trace regions of electron scattering, to check the apparent 90degrees misalignment between the jet axis and that of the scattering ``cone'' in 3C 305, and to ensure location of even deeply-buried nuclei, either by picking up direct long- wavelength emission, or by locating the centre of the scattering pattern.

Affiliated with

Also associated with

No associations

Rating

Deep IR imaging of two gas-rich radio galaxies does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Deep IR imaging of two gas-rich radio galaxies, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Deep IR imaging of two gas-rich radio galaxies will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-896325