Dual-frequency Observations of 140 Compact, Flat-spectrum Active Galactic Nuclei for Scintillation-induced Variability
Koay, J. Y, Macquart, J.-P, Rickett, B. J, Bignall, H. E, Lovell, J. E. J, Reynolds, C, Jauncey, D. L, Pursimo, T, Kedziora-Chudczer, L, Ojha, R
Published in The Astronomical journal (01.10.2011)
Published in The Astronomical journal (01.10.2011)
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Flares in the changing look AGN Mrk 590 – I. The UV response to X-ray outbursts suggests a more complex reprocessing geometry than a standard disc
Lawther, D, Vestergaard, M, Raimundo, S, Koay, J Y, Peterson, B M, Fan, X, Grupe, D, Mathur, S
Published in Monthly notices of the Royal Astronomical Society (09.01.2023)
Published in Monthly notices of the Royal Astronomical Society (09.01.2023)
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Journal Article
A parsec-scale faint jet in the nearby changing-look Seyfert galaxy Mrk 590
Yang, Jun, van Bemmel, Ilse, Paragi, Zsolt, Komossa, S, Yuan, Feng, Yang, Xiaolong, An, Tao, Koay, J Y, Reynolds, C, Oonk, J B R, Liu, Xiang, Wu, Qingwen
Published in Monthly notices of the Royal Astronomical Society. Letters (01.03.2021)
Published in Monthly notices of the Royal Astronomical Society. Letters (01.03.2021)
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Journal Article
ALMA probes the molecular gas reservoirs in the changing-look Seyfert galaxy Mrk 590
Koay, J Y, Vestergaard, M, Casasola, V, Lawther, D, Peterson, B M
Published in Monthly notices of the Royal Astronomical Society (21.01.2016)
Published in Monthly notices of the Royal Astronomical Society (21.01.2016)
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The presence of interstellar scintillation in the 15 GHz interday variability of 1158 OVRO-monitored blazars
Koay, J Y, Jauncey, D L, Hovatta, T, Kiehlmann, S, Bignall, H E, Max-Moerbeck, W, Pearson, T J, Readhead, A C S, Reeves, R, Reynolds, C, Vedantham, H
Published in Monthly notices of the Royal Astronomical Society (11.11.2019)
Published in Monthly notices of the Royal Astronomical Society (11.11.2019)
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The MASIV Survey – IV. Relationship between intra-day scintillation and intrinsic variability of radio AGNs
Koay, J Y, Macquart, J-P, Jauncey, D L, Pursimo, T, Giroletti, M, Bignall, H E, Lovell, J E J, Rickett, B J, Kedziora-Chudczer, L, Ojha, R, Reynolds, C
Published in Monthly notices of the Royal Astronomical Society (01.03.2018)
Published in Monthly notices of the Royal Astronomical Society (01.03.2018)
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Equilibrium and kinetics studies of adsorption of copper (II) on chitosan and chitosan/PVA beads
Wan Ngah, W.S, Kamari, A, Koay, Y.J
Published in International journal of biological macromolecules (01.06.2004)
Published in International journal of biological macromolecules (01.06.2004)
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Journal Article
WHY DO COMPACT ACTIVE GALACTIC NUCLEI AT HIGH REDSHIFT SCINTILLATE LESS?
Koay, J Y, Macquart, J-p, Rickett, B J, Bignall, H E, Jauncey, D L, PURSIMO, T, Reynolds, C, Lovell, J E J, Kedziora-Chudczer, L, Ojha, R
Published in The Astrophysical journal (01.09.2012)
Published in The Astrophysical journal (01.09.2012)
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The MASIV survey: spectroscopic identifications of compact radio sources
Pursimo, T., Ojha, R., Jauncey, D., Lovell, J., Dutka, M., Bignall, H., Macquart, J.-P., Rickett, B., Kedziora-Chudczer, L., Koay, J. Y.
Published in Proceedings of the International Astronomical Union (01.10.2013)
Published in Proceedings of the International Astronomical Union (01.10.2013)
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Journal Article
The MASIV Legacy: Surveying AGN Intra-day Variability at Radio Wavelengths
Koay, J. Y., Macquart, J.-P., Rickett, B. J., Bignall, H. E., Jauncey, D. L., Pursimo, T., Reynolds, C., Lovell, J. E. J., Kedziora-Chudczer, L., Ojha, R.
Published in Proceedings of the International Astronomical Union (01.10.2013)
Published in Proceedings of the International Astronomical Union (01.10.2013)
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Optimization of enhanced coal-bed methane recovery using numerical simulation
Perera, M S A, Ranjith, P G, Ranathunga, A S, Koay, A Y J, Zhao, J, Choi, S K
Published in Journal of geophysics and engineering (01.02.2015)
Published in Journal of geophysics and engineering (01.02.2015)
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Metadata for the Flux Density Calibration of the April 2018 Event Horizon Telescope Data
Koay, J Y, Romero-Cañizales, C, Matthews, L D, Janssen, M, Blackburn, L, Tilanus, R P J, Park, J, Asada, K, Matsushita, S, A -K Baczko, La Bella, N, C -K Chan, Crew, G B, Fish, V, Patel, N, Ramakrishnan, V, Rottmann, H, Wagner, J, Wiik, K, Friberg, P, Goddi, C, Issaoun, S, Keating, G, Kim, J, Krichbaum, T P, Marrone, D, Narayanan, G, Roy, A, Ruíz, I, Sánchez, S, Torne, P, Weintroub, J
Published in arXiv.org (06.12.2023)
Published in arXiv.org (06.12.2023)
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Absolute Flux Density Calibration of the Greenland Telescope Data for Event Horizon Telescope Observations
Koay, J Y, Asada, K, Matsushita, S, C -Y Kuo, Huang, C -W L, Romero-Cañizales, C, Koyama, S, Park, J, W -P Lo, Bower, G, M -T Chen, S -H Chang, C -C Chen, Chilson, R, Han, C C, Ho, P T P, Y -D Huang, Inoue, M, Jeter, B, Jiang, H, Koch, P M, Kubo, D, C -T Li, C -T Liu, K -Y Liu, Martin-Cocher, P, Nakamura, M, Norton, T J, Nystrom, G, Oshiro, P, Patel, N, U -L Pen, H -Y Pu, Raffin, P A, Rao, R, Sridharan, T K, Srinivasan, R, T -S Wei
Published in arXiv.org (05.12.2023)
Published in arXiv.org (05.12.2023)
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