LeMMINGs IV: The X-ray properties of a statistically-complete sample of the nuclei in active and inactive galaxies from the Palomar sample

  title={LeMMINGs IV: The X-ray properties of a statistically-complete sample of the nuclei in active and inactive galaxies from the Palomar sample},
  author={D. R. W. Williams and Mayukh Pahari and Ranieri D. Baldi and Ian M. McHardy and Smita Mathur and R. J. Beswick and Aru Beri and Peter G. Boorman and Susanne Aalto and Antxon Alberdi and Megan K. Argo and Bililign T. Dullo and D M Fenech and David A. Green and Johan H. Knapen and Iv'an Mart'i-Vidal and Javier Mold{\'o}n and Carole Mundell and T. W. B. Muxlow and Francesca Panessa and M. A. P'erez-Torres and Payaswini Saikia and Francesco Shankar and Ian R. Stevens and Paolo Padovani . Harvard-Smithsonian Center for Astrophysics and The University of Manchester and UK. and University of Oxford and University of Southampton and Southampton and Indian Institute of Technology and Hyderabad and India. and Inaf Istituto di Radioastronomia and Bologna and Italy. and The Ohio State University and Usa and Center for Astronomy and Astro-particle Physics and Eureka Scientific and Oakland and DST-INSPIRE Faculty and Indian Institute of Science Education and Research and Astronomical Institute and Academy of Sciences and Czech Republic and Chalmers University of Technology and Sweden. and Inst. de Astrof'isica de Andaluc'ia and Spain. and Jeremiah Horrocks Institute and University of Central Lancashire and Departamento de Astrof'isica and Universidad Complutense de Madrid and Astrophysics Group and Cavendish Laboratory and Instituto de Astrof'isica de Canarias and Departamento de Astrof'isica and Universidad de la Laguna and Observatori Astron'omic and Universitat Politecnica de Valencia and Departament d'Astronomia i Astrof'isica and University of Bath and Inaf - Istituto di Astrofisica e Planetologia Spaziali and Roma and Center for Astro and Particle and Planetary Physics and New York University Abu Dhabi and Uae and University of Birmingham and Anton Pannekoek Institute for Astronomy and University of Amsterdam and The Netherlands.},
All 280 of the statistically-complete Palomar sample of nearby (<120Mpc) galaxies δ >20◦ have been observed at 1.5GHz as part of the LeMMINGs e-MERLIN legacy survey. Here, we present Chandra X-ray observations of the nuclei of 213 of these galaxies, including a statistically-complete sub-set of 113 galaxies in the declination range 40◦ < δ < 65◦. We observed galaxies of all optical spectral types, including ‘active’ galaxies (e.g., LINERs and Seyferts) and ‘inactive’ galaxies like H ii galaxies… 



Compton-Thick AGN: The Dark Side of the X-Ray Background

The spectrum of the hard X-ray background records the history of accretion processes integrated over the cosmic time. Several pieces of observational and theoretical evidence indicate that a

Astronomical Data Analysis Software and Systems XV

The execution of a lunar shadow intercept and the conduction of an observing program from a Boeing 747-400 ER aircraft over the Antarctic interior permitted the previously unobtainable to be accomplished.

AGN classification given to the source based on the AGN re-classifcation scheme described in Baldi et al

  • Galaxy Right Dec. Gal. Lat. Dist Obs. Exposure Sample Det. Mass O[III] AGN Hubble Name Asc. δ |b| (Mpc) ID. (secs) Status Sig. log(M ) log(Lum.) Class Type
  • 1997

eds, Society of Photo-Optical Instrumentation Engineers (SPIE) Conference Series Vol. 4012, X-Ray Optics, Instruments, and Missions III. pp

  • 2000