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Dive into the research topics where Ian M. McHardy is active.

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Featured researches published by Ian M. McHardy.


The Astronomical Journal | 1991

C1 1358 + 6245 at z = 0. 32 - An X-ray selected, distant, rich cluster of galaxies

Gerard A. Luppino; Brin A. Cooke; Ian M. McHardy; George R. Ricker

BVRI CCD photometric observations of an extremely rich, X-ray selected cluster of galaxies, Cl 1358+6245, are presented. Spectroscopy of the optically dominant cluster galaxy indicate a redshift of z = 0.32 for the cluster. The photometric catalog contains 322 galaxies measured in at least two colors detected in the CCD field. The cluster luminosity function and color-magnitude diagrams are included. Cl 1358+6245 is extremely rich, contains a compact, concentrated core of galaxies, exhibits the Butcher-Oemler effect with a blue galaxy fraction 0.10 < f b < 0.18, and is X-ray luminous


Monthly Notices of the Royal Astronomical Society | 1988

The ultraviolet to X-ray continua of BL Lac objects

I. M. George; R. S. Warwick; Ian M. McHardy


Monthly Notices of the Royal Astronomical Society | 1987

Detailed EXOSAT and optical observations of the intermediate polar 3A0729 + 103: discovery of two medium energy X-ray emission regions

Ian M. McHardy; J. P. Pye; A. P. Fairall; J. W. Menzies


Archive | 2006

The AGN/X-Ray Binary Connection

Ian M. McHardy; P. Uttley; Richard D. Taylor; I. E. Papadakis


Space Science Reviews | 1985

EXOSAT and EINSTEIN High Resolution Images of the Small Magellanic Cloud

Laurence R. Jones; J. P. Pye; Ian M. McHardy; A. P. Fairall


Archive | 2017

The rms-flux relation in accreting objects: not a simple ‘volume control’

P. Uttley; Ian M. McHardy; S. Vaughan


Proceedings of Swift: 10 Years of Discovery — PoS(SWIFT 10) | 2015

The largest Swift AGN monitoring: UV/optical variability in NGC 5548

Ian M. McHardy; Sam Connolly; Duncan Cameron; T. Dwelly; Paulina Lira; D. Emmanoulopoulos; Jonathan Gelbord; E. Breedt; P. Arévalo; P. Uttley


Proceedings of 8th INTEGRAL Workshop “The Restless Gamma-ray Universe” — PoS(INTEGRAL 2010) | 2011

Search for Compton-thick sources in the deep INTEGRAL 3C273/Coma survey

Laetitia Gibaud; Stephane Paltani; Thierry J.-L. Courvoisier; T. Dwelly; Nicola Masetti; Ian M. McHardy; Pietro Parisi; Roland Walter


Archive | 2008

Tracing the History of Star Formation and Accretion with a Deep Spitzer/Radio Survey

G. H. Rieke; J. L. Donley; T. Dwelly; Andrew M. Hopkins; Nic Loaring; Ian M. McHardy; Mat Page; Nick Seymouor


Archive | 2007

XMM-Newton spectroscopy of four X-ray selected BALQSOs discovered in a survey field

Alexander J. Blustin; T. Dwelly; Mat Page; Ian M. McHardy; D. Moss; Nick Seymour

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Mat Page

University College London

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T. Dwelly

University of Southampton

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D. Moss

University of Southampton

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Nick Seymour

Institut d'Astrophysique de Paris

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P. Uttley

University of Southampton

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K. F. Gunn

University of Southampton

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Keith O. Mason

University College London

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Keith Mason

Space Sciences Laboratory

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Laurence R. Jones

Goddard Space Flight Center

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