RG
Richard Griffiths
astro-phastro-ph.GAastro-ph.COastro-ph.HEastro-ph.IMgr-qcChromosomesphysics.pop-phphysics.soc-phRepetitive Sequences, Nucleic Acid
On Valency
published · living versionsW_79mq4ycm·v1 · currentpublished
The Chandra COSMOS Survey, I: Overview and Point Source Catalog
with Martin Elvis, Francesca Civano, Cristian Vignali, Simonetta Puccetti +38
1 version
Preprints & journals
83 papers in the corpus · 1990–2025The COSMOS-Web deep galaxy group catalog up to 2501.09060v2 · Greta Toni, Ghassem Gozaliasl, Matteo Maturi et al.2025 · 13 citationsA&A 697, A197 (2025)
Enhancing Space Situational Awareness to Mitigate Risk: A Single-Case Study in the Misidentification of a Recently-Launched Starlink Satellite Train as a UAP in Commercial Aviation2403.08155v3 · Douglas J. Buettner, Richard E. Griffiths, Nick Snell et al.2024 · 0 citationsarXiv
Much ado about no offset -- Characterising the anomalous multiple-image configuration and the model-driven displacement between light and mass in the multi-plane strong lens Abell 38272306.11779v2 · Joyce Lin, Jenny Wagner, Richard E. Griffiths2023 · 11 citationsMonthly Notices of the Royal Astronomical Society, Volume 526, Issue 2, December 2023, Pages 2776-2794
Generalised model-independent characterisation of strong gravitational lenses VIII. automated multi-band feature detection to constrain local lens properties2207.01630v2 · Joyce Lin, Jenny Wagner, Richard E. Griffiths2022 · 10 citationsarXiv
Hamilton's Object -- a clumpy galaxy straddling the gravitational caustic of a galaxy cluster : Constraints on dark matter clumping2105.04562v1 · Richard E. Griffiths, Mitchell Rudisel, Jenny Wagner et al.2021 · 15 citationsarXiv
Group connectivity in COSMOS: a tracer of mass assembly history1904.11859v1 · E. Darragh-Ford, C. Laigle, G. Gozaliasl et al.2019 · 49 citationsarXiv
Chandra centres for COSMOS X-ray galaxy groups: Differences in stellar properties between central dominant and offset brightest group galaxies1812.01604v1 · Ghassem Gozaliasl, Alexis Finoguenov, Masayuki Tanaka et al.2018 · 85 citationsMNRAS, 483 (2019), 3545-3565
The Robo-AO-2 facility for rapid visible/near-infrared AO imaging and the demonstration of hybrid techniques1806.01957v1 · Christoph Baranec, Mark Chun, Donald Hall et al.2018 · 9 citationsProc. SPIE Adaptive Optics VI, 10703, 10703-80, 2018
The Chandra COSMOS Legacy Survey: Compton Thick AGN at high redshift1803.08547v2 · G. Lanzuisi, F. Civano, S. Marchesi et al.2018 · 79 citationsBibliographic Code: 2018 MNRAS.480.2578L
Infrared Selection of Obscured Active Galactic Nuclei in the COSMOS Field1711.00471v1 · Yu-Yen Chang, Emeric Le Floc'h, St'ephanie Juneau et al.2017 · 65 citationsarXiv
Type 2 AGN host galaxies in the Chandra-COSMOS Legacy Survey: No Evidence of AGN-driven Quenching1705.03890v1 · Hyewon Suh, Francesca Civano, Guenther Hasinger et al.2017 · 39 citationsarXiv
The Chandra COSMOS Legacy Survey: Clustering of X-ray selected AGN at 2.9<z<5.5 using photometric redshift Probability Distribution Functions1609.02553v2 · V. Allevato, F. Civano, A. Finoguenov et al.2016 · 24 citationsarXiv
The Chandra COSMOS-Legacy survey: Source X-ray spectral properties1608.05149v1 · S. Marchesi, G. Lanzuisi, F. Civano et al.2016 · 138 citationsarXiv
The Chandra COSMOS Legacy survey: the z>3 sample1606.06813v1 · S. Marchesi, F. Civano, M. Salvato et al.2016 · 45 citationsarXiv
The Chandra COSMOS Legacy survey: overview and point source catalog1601.00941v1 · F. Civano (Yale, SAO), S. Marchesi et al.2016 · 507 citationsarXiv
The Chandra COSMOS Legacy survey: optical/IR identifications1512.01105v1 · S. Marchesi, F. Civano, M. Elvis et al.2015 · 340 citationsarXiv
Detailed Shape and Evolutionary Behavior of the X-ray Luminosity Function of Active Galactic Nuclei1503.00056v2 · T. Miyaji, G. Hasinger, M. Salvato et al.2015 · 112 citationsarXiv
Associated Spectral and Temporal State Transition of the bright ULX NGC1313 X-10905.3819v1 · G. C. Dewangan (IUCAA), R. Misra (IUCAA), A. R. Rao (TIFR) et al.2009 · 22 citationsarXiv
The Chandra COSMOS Survey, I: Overview and Point Source Catalog0903.2062v3 · Martin Elvis, Francesca Civano, Cristian Vignali et al.2009 · 438 citationsAstrophys.J.Suppl.184:158-171,2009on Valency
The XMM-Newton wide-field survey in the COSMOS field. The point-like X-ray source catalogue0901.2347v2 · N. Cappelluti, M. Brusa, G. Hasinger et al.2009 · 308 citationsarXiv
The Environments of Active Galactic Nuclei within the zCOSMOS Density Field0812.3402v1 · J.D. Silverman, K. Kovac, C. Knobel et al.2008 · 109 citationsAstrophys.J.695:171-182,2009
X-Ray Spectral Variability of the Seyfert Galaxy NGC 4051 Observed with Suzaku0811.0692v1 · Y. Terashima, L.C. Gallo, H. Inoue et al.2008 · 39 citationsarXiv
Ongoing and co-evolving star formation in zCOSMOS galaxies hosting Active Galactic Nuclei0810.3653v1 · J. D. Silverman, F. Lamareille, C. Maier et al.2008 · 234 citationsAstrophys.J.696:396-410,2009
The Suzaku Observation of NGC 3516: Complex Absorption and the Broad and Narrow Fe K Lines0710.0382v1 · A. Markowitz, J. N. Reeves, G. Miniutti et al.2007 · 31 citationsarXiv
An investigation of the origin of soft X-ray excess emission from Narrow-line Seyfert 1 galaxies Akn564 and Mrk10440709.1962v1 · G. C. Dewangan, R. E. Griffiths, Surajit Dasgupta et al.2007 · 70 citationsarXiv
Time lags in Narrow-line Seyfert 1 galaxies and the origin of their soft excess emission0709.1969v1 · G. C. Dewangan, R. E. Griffiths, A. R. Rao et al.2007 · 0 citationsarXiv
Discovery of a bright transient ultraluminous X-ray source Suzaku J1305-4931 in NGC 49450708.1804v1 · Naoki Isobe, Aya Kubota, Kazuo Makishima et al.2007 · 16 citationsarXiv
Relativistic Iron K Emission and absorption in the Seyfert 1.9 galaxy MCG-5-23-160707.2950v1 · V. Braito, J.N. Reeves, G.C. Dewangan et al.2007 · 83 citationsarXiv
X-ray source counts in the COSMOS field0704.2293v1 · N. Cappelluti, G. Hasinger, M. Brusa et al.2007 · 2 citationsarXiv
The XMM-Newton wide-field survey in the COSMOS field II: X-ray data and the logN-logSastro-ph/0701196v1 · N. Cappelluti, G. Hasinger, M. Brusa et al.2007 · 164 citationsarXiv
The XMM-Newton wide-field survey in the COSMOS field: VI. Statistical properties of clusters of galaxiesastro-ph/0612360v1 · A. Finoguenov, L. Guzzo, G. Hasinger et al.2006 · 301 citationsarXiv
The XMM-Newton wide-field survey in the COSMOS field. IV: X-ray spectral properties of Active Galactic Nucleiastro-ph/0612361v1 · V. Mainieri (MPE & ESO), G. Hasinger (MPE), N. Cappelluti (MPE) et al.2006 · 106 citationsarXiv
COSMOS : Hubble Space Telescope Observationsastro-ph/0612306v2 · N. Scoville, A. Benson, A. W. Blain et al.2006 · 506 citationsAstrophys.J.Suppl.172:38-45,2007
The XMM-Newton wide-field survey in the COSMOS field: I. Survey descriptionastro-ph/0612311v1 · G. Hasinger (MPE), N. Cappelluti (MPE), H. Brunner (MPE) et al.2006 · 341 citationsarXiv
Revealing the High Energy Emission from the Obscured Seyfert Galaxy MCG -5-23-16 with Suzakuastro-ph/0610434v1 · James N. Reeves, Hisamitsu Awaki, Gulab C. Dewangan et al.2006 · 67 citationsarXiv
Suzaku Observation of Two Ultraluminous X-Ray Sources in NGC 1313astro-ph/0610185v1 · T. Mizuno, R. Miyawaki, K. Ebisawa et al.2006 · 44 citationsProg.Theor.Phys.Suppl.169:229-233,2007
Quasi Periodic Oscillations and Strongly Comptonized X-ray emission from Holmberg IX X-1astro-ph/0602472v2 · G. C. Dewangan (CMU), R. E. Griffiths (CMU), A. R. Rao (TIFR)2006 · 49 citationsAstrophys.J. 641 (2006) L125-L128
Evidence for a high energy curvature in the XMM-Newton spectrum of the ULX NGC1313 X-1astro-ph/0511112v1 · G. C. Dewangan (CMU), R. E. Griffiths (CMU) & A. R. Rao (TIFR)2005 · 1 citationarXiv
Multiwavelength Properties of the X-ray Sources in the Groth-Westphal Strip Fieldastro-ph/0402617v1 · Takamitsu Miyaji, Vicki Sarajedini, Richard E. Griffiths et al.2004 · 14 citationsAstron.J. 127 (2004) 3180
Iron Kalpha emission from the low-luminosity Active Galaxies M81 and NGC 4579astro-ph/0402327v1 · G. C. Dewangan (CMU), R. E. Griffiths (CMU), T. Di Matteo (MPA) et al.2004 · 27 citationsAstrophys.J. 607 (2004) 788-793
A transition to a low/soft state in the ultra-luminous compact X-ray source Holmberg II X-1astro-ph/0401223v2 · Gulab C. Dewangan (CMU), Takamitsu. Miyaji (CMU), Richard E. Griffiths (CMU) et al.2004 · 72 citationsAstrophys.J. 608 (2004) L57-L60
Iron K features in the hard X-ray XMM-Newton spectrum of NGC 4151astro-ph/0306540v1 · N.J. Schurch, R.S. Warwick, R.E. Griffiths et al.2003 · 44 citationsMon.Not.Roy.Astron.Soc.345:423,2003
Chandra ACIS-S Observations of Three Quasars with Low-Redshift Damped Ly-alpha Absorption: Constraints on the Cosmic Neutral-Gas-Phase Metallicity at Redshift z \approx 0.4astro-ph/0302550v1 · David A. Turnshek, Sandhya M. Rao, Andrew F. Ptak et al.2003 · 19 citationsAstrophys.J. 590 (2003) 730-739
XMM-Newton observations of an absorbed z=0.67 QSO: no dusty torus?astro-ph/0302375v1 · I. Georgantopoulos, A. Georgakakis, G.C. Stewart et al.2003 · 8 citationsMon.Not.Roy.Astron.Soc.342:321,2003
XMM-Newton View of the Hubble Deep Field-North and Groth-Westphal Strip Regionsastro-ph/0211343v2 · T. Miyaji, R.E. Griffiths, D. Lumb et al.2002 · 10 citationsAstron.Nachr.324:24,2003
Iron Features in the XMM-Newton spectrum of NGC 4151astro-ph/0202093v1 · N.J. Schurch, R.S. Warwick, R.E. Griffiths et al.2002 · 0 citationsarXiv
The Chandra Deep Field North Survey. IX. Extended X-ray Sourcesastro-ph/0112002v1 · F.E. Bauer (PSU), D.M. Alexander (PSU), W.N. Brandt (PSU) et al.2001 · 69 citationsarXiv
The Chandra Deep Field North Survey. V. 1 Ms Source Catalogsastro-ph/0108404v1 · W.N. Brandt, D.M. Alexander, A.E. Hornschemeier et al.2001 · 363 citationsAstron.J.122:2810-2832,2001
The Consequences of the Cosmic Star-Formation Rate: X-ray Number Countsastro-ph/0108302v1 · A. Ptak, R. Griffiths, N. White et al.2001 · 45 citationsarXiv
ASCA observations of deep ROSAT fields V. The X-ray spectrum of hard X-ray selected QSOsastro-ph/0105125v1 · A. Pappa, G.C. Stewart, I. Georgantopoulos et al.2001 · 9 citationsMon.Not.Roy.Astron.Soc. 327 (2001) 499
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