109 citations · 109 across the 1 of their papers we have counts for
5 papers
Feedback in the local LBG Analog Haro 11 as probed by far-UV and X-ray observations
J. P. Grimes, T. Heckman, D. Strickland +6
We have re-analyzed FUSE data and obtained new Chandra observations of Haro 11, a local (D_L=88 Mpc) UV luminous galaxy. Haro 11 has a similar far-UV luminosity (10^10.3 L_\odot),…
The Relationship of Hard X-ray and Optical Line Emission in Low Redshift Active Galactic Nuclei
T. M. Heckman, A. Ptak, A. Hornschemeier +1
In this paper we assess the relationship of the population of Active Galactic Nuclei (AGN) selected by hard X-rays to the traditional population of AGN with strong optical emission…
Chandra-SDSS Normal and Star-Forming Galaxies I: X-ray Source Properties of Galaxies Detected by Chandra in SDSS DR2
A. E. Hornschemeier, T. M. Heckman, A. F. Ptak +2
We have cross-correlated X-ray catalogs derived from archival Chandra ACIS observations with a Sloan Digital Sky Survey (SDSS) Data Release 2 (DR2) galaxy catalog to form a sample…
The Statistical Properties of Galaxies Containing ULXs
A. Ptak, E. Colbert
We present a statistical analysis of the properties of galaxies containing ultraluminous X-ray objects (ULXs). Our primary goal is to establish the fraction of galaxies containing…
Testing Radiatively-Inefficient Accretion Flow Theory: an XMM-Newton Observation of NGC 3998
A. Ptak, Y. Terashima, L. C. Ho +1
We present the results of a 10 ks XMM-Newton observation of NGC 3998, a ``type-I'' LINER galaxy. Our goal is to test the extent to which radiatively-inefficient accretion flow (RIA…