Optical Observations of X-ray Bright, Optically Normal Galaxies

Details Optical Observations of X-ray Bright, Optically Normal Galaxies Optical Observations of X-ray Bright, Optically Normal Galaxies

May 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...210.0219s&link_type=abstract

American Astronomical Society Meeting 210, #02.19; Bulletin of the American Astronomical Society, Vol. 39, p.96

Astronomy and Astrophysics

Astronomy

Scientific paper

X-ray bright, optically normal galaxies (XBONGs) are galaxies that seem to have normal spectra and morphology, but are relatively bright x-ray sources. The large ratio of the x-ray to optical emission suggests that some activity, similar to that of active galactic nuclei (AGN), is occurring. Since the galaxies do not show any obvious sign of nuclear activity in their optical spectra, one possible explanation is that these galaxies do not have an optically thick accretion disk at small radii, as previously assumed. Previous data for NGC 7626 classifies it as an XBONG, and so we are studying optical features of this galaxy in order to determine better its features. After confirming an x-ray jet, we are now comparing this to optical features that we have found, including warped dust lanes and a possible optical jet.

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