Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Yvette C Perrott"'
Autor:
Yvette C Perrott, Gopika SM, Alastair C Edge, Keith J B Grainge, David A Green, Richard D E Saunders
The cool-core galaxy cluster RXJ1720.1+2638 hosts extended radio emission near the cluster core, known as a minihalo. The origin of this emission is still debated and one piece of the puzzle has been the question of whether the supermassive black hol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0212cf387fab49c926b6ab6dcbd899e5
Publikováno v:
Advances in Astronomy, Vol 2013 (2013)
The Planck 28.5 GHz maps were searched for potential Anomalous Microwave Emission (AME) regions on the scale of ~3° or smaller, and several new regions of interest were selected. Ancillary data at both lower and higher frequencies were used to const
Externí odkaz:
https://doaj.org/article/618fc512f83141758e84fee9d4f4a825
Autor:
Yvette C. Perrott, Michael P. Hobson, Keith Grainge, Farhan Feroz, Richard D. E. Saunders, Anthony Lasenby, M. Olamaie, Clare Rumsey
Publikováno v:
Olamaie, M, Hobson, M P, Feroz, F, Grainge, K J B, Lasenby, A, Perrott, Y C, Rumsey, C & Saunders, R D E 2018, ' Free-form modelling of galaxy clusters: a Bayesian and data-driven approach ', Monthly Notices of the Royal Astronomical Society . https://doi.org/10.1093/mnras/sty2495
A new method is presented for modelling the physical properties of galaxy clusters. Our technique moves away from the traditional approach of assuming specific parameterized functional forms for the variation of physical quantities within the cluster
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::701a83660c7674ca85933a69ef39df96
https://doi.org/10.1093/mnras/sty2495
https://doi.org/10.1093/mnras/sty2495
Autor:
Clare Rumsey, Nima Razavi-Ghods, Keith Grainge, Anna M. M. Scaife, T. M. Cantwell, Patrick J. Elwood, Richard D. E. Saunders, Kamran Javid, Terry Z. Jin, David Titterington, Michael P. Hobson, Guy G. Pooley, Yvette C. Perrott, Farhan Feroz, Timothy W. Shimwell, David A. Green, Paul F. Scott, Elizabeth Waldram, Michel P. Schammel, S. H. Carey
Publikováno v:
Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society, 473(1), 1157-1167
Perrott, Y C, Cantwell, T, Carey, S H, Elwood, P J, Feroz, F, Grainge, K, Green, D A, Hobson, M P, Javid, K, Jin, T, Pooley, G, Razavi-Ghods, N, Rumsey, C, Saunders, R D E, Scaife, A, Schammel, M P, Scott, P F, Shimwell, T W, Titterington, D & Waldram, E 2017, ' AMI-CL J0300+2613 : a Galactic anomalous-microwave-emission ring masquerading as a galaxy cluster ', Monthly Notices of the Royal Astronomical Society . https://doi.org/10.1093/mnras/stx2421
Monthly Notices of the Royal Astronomical Society, 473(1), 1157-1167
Perrott, Y C, Cantwell, T, Carey, S H, Elwood, P J, Feroz, F, Grainge, K, Green, D A, Hobson, M P, Javid, K, Jin, T, Pooley, G, Razavi-Ghods, N, Rumsey, C, Saunders, R D E, Scaife, A, Schammel, M P, Scott, P F, Shimwell, T W, Titterington, D & Waldram, E 2017, ' AMI-CL J0300+2613 : a Galactic anomalous-microwave-emission ring masquerading as a galaxy cluster ', Monthly Notices of the Royal Astronomical Society . https://doi.org/10.1093/mnras/stx2421
The Arcminute Microkelvin Imager (AMI) carried out a blind survey for galaxy clusters via their Sunyaev-Zel'dovich effect decrements between 2008 and 2011. The first detection, known as AMI-CL J0300+2613, has been reobserved with AMI equipped with a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5ec3a2b44b816d80e1c047286ade5245
https://doi.org/10.1093/mnras/stx2421
https://doi.org/10.1093/mnras/stx2421
Autor:
Michel P. Schammel, Andra Stroe, Michael P. Hobson, Clare Rumsey, Keith Grainge, Yvette C. Perrott, M. Olamaie, Richard D. E. Saunders
Publikováno v:
Rumsey, C, Perrott, Y C, Olamaie, M, Richard Saunders, D E, Hobson, M P, Stroe, A, Schammel, M P & Grainge, K 2017, ' AMI SZ observation of galaxy-cluster merger CIZA J2242+5301: perpendicular flows of gas and dark matter ', Monthly Notices of the Royal Astronomical Society . https://doi.org/10.1093/mnras/stx1429
AMI observations towards CIZA J2242+5301, in comparison with observations of weak gravitational lensing and X-ray emission from the literature, are used to investigate the behaviour of non-baryonic dark matter (NBDM) and gas during the merger. Analys
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::38d9b687a34ab9996a375baf1a129074
https://doi.org/10.1093/mnras/stx1429
https://doi.org/10.1093/mnras/stx1429
We derive a model for Sunyaev–Zel’dovich data from a galaxy cluster that uses an Einasto profile to model the cluster’s dark matter component. This model is similar to the physical models for clusters previously used by the Arcminute Microkelvi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______2659::b490077b5c54d9a76d78b7117cc2b2d8
https://zenodo.org/record/3660752
https://zenodo.org/record/3660752
Autor:
Yvette C Perrott, Kamran Javid, Pedro Carvalho, Patrick J Elwood, Michael P Hobson, Anthony N Lasenby, Malak Olamaie, Richard DE Saunders
We develop a Bayesian method of analysing Sunyaev–Zel’dovich measurements of galaxy clusters obtained from the Arcminute Microkelvin Imager (AMI) radio interferometer system and from thePlancksatellite, using a joint likelihood function for the d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______2659::8b298568910e0419c5fb8aff045c4b00
https://zenodo.org/record/3660754
https://zenodo.org/record/3660754
Autor:
Kamran Javid, Yvette C Perrott, Malak Olamaie, Michael P Hobson, Clare Rumsey, Richard DE Saunders
We present a comparison between three cluster models applied to data obtained by the Arcminute Microkelvin Imager radio interferometer system. The physical model (PM) parameterises a cluster in terms of its physical quantities to model the dark matte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::65459f51efb834d7f61313cd8397bda0
Autor:
Clare Rumsey, M. Olamaie, Keith Grainge, Richard D. E. Saunders, Michael P. Hobson, Yvette C. Perrott, P. Carvalho, Kamran Javid
Publikováno v:
Javid, K, Olamaie, M, Perrott, Y C, Carvalho, P, Grainge, K J B, Hobson, M P, Rumsey, C & Saunders, R D E 2018, ' Physical modelling of galaxy clusters detected by the Planck satellite ', Monthly Notices of the Royal Astronomical Society, vol. 483, no. 3, pp. 3529-3544 . https://doi.org/10.1093/mnras/sty3115
We present a comparison of mass estimates for 54 galaxy cluster candidates from the second Planck catalogue (PSZ2) of Sunyaev-Zel'dovich sources. We compare the mass values obtained with data taken from the Arcminute Microkelvin Imager (AMI) radio in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e2846b244baf6c88a6ca503c63efb4d2
Autor:
T. M. Cantwell, C. J. Riseley, Tz Jin, Chao-Ling Hung, David Titterington, T. W. B. Muxlow, Amm Scaife, Caitlin M. Casey, Mark Birkinshaw, Paul F. Scott, Yvette C. Perrott, Richard A. Battye, Neal Jackson, Ian Harrison, Michael L. Brown, Robert Beswick, K. J. B. Grainge, Patrick J. Elwood, B. Watson, Christopher A. Hales, Jack Hickish, Nima Razavi-Ghods, C. Demetroullas, S. H. Carey
Publikováno v:
Riseley, C J, Grainge, K J B, Perrott, Y C, Scaife, A M M, Battye, R A, Beswick, R J, Birkinshaw, M, Brown, M L, Casey, C M, Demetroullas, C, Hales, C A, Harrison, I, Hung, C L, Jackson, N J, Muxlow, T, Watson, B, Cantwell, T M, Carey, S H, Elwood, P J, Hickish, J, Jin, T Z, Razavi-Ghods, N, Scott, P F & Titterington, D J 2018, ' AMI-LA observations of the SuperCLASS supercluster ', Monthly Notices of the Royal Astronomical Society, vol. 474, no. 4, stx3118, pp. 5598-5613 . https://doi.org/10.1093/mnras/stx3118
Riseley, C J, Grainge, K, Perrott, Y C, Scaife, A, Battye, R, Beswick, R, Birkinshaw, M, Brown, M, Casey, C M, Demetroullas, C, Hales, CA, Harrison, I, Hung, C L, Jackson, N, Muxlow, T, Watson, R, Cantwell, T, Carey, S H, Elwood, P J, Hickish, J, Jin, T Z, Razavi-Ghods, N, Scott, P F & Titterington, D J 2018, ' AMI-LA observations of the SuperCLASS supercluster ', Monthly Notices of the Royal Astronomical Society, vol. 474, no. 4, pp. 5598-5613 . https://doi.org/10.1093/mnras/stx3118, https://doi.org/10.1093/mnras/stx3118
Riseley, C J, Grainge, K, Perrott, Y C, Scaife, A, Battye, R, Beswick, R, Birkinshaw, M, Brown, M, Casey, C M, Demetroullas, C, Hales, CA, Harrison, I, Hung, C L, Jackson, N, Muxlow, T, Watson, R, Cantwell, T, Carey, S H, Elwood, P J, Hickish, J, Jin, T Z, Razavi-Ghods, N, Scott, P F & Titterington, D J 2018, ' AMI-LA observations of the SuperCLASS supercluster ', Monthly Notices of the Royal Astronomical Society, vol. 474, no. 4, pp. 5598-5613 . https://doi.org/10.1093/mnras/stx3118, https://doi.org/10.1093/mnras/stx3118
We present a deep survey of the SuperCLASS super-cluster - a region of sky known to contain five Abell clusters at redshift $z\sim0.2$ - performed using the Arcminute Microkelvin Imager (AMI) Large Array (LA) at 15.5$~$GHz. Our survey covers an area
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c076f26c5a350cb45e07f214bcf52289