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Browsing by Author "Collett, J."
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The Capture and Escape of Stars
Collett, J.; Dutta, S.N.; Evans, N.W. (1997)The shape of galaxies depends on their orbital populations. These populations change through capture into and escape from resonance. Capture problems fall into distinct cases depending upon the shape of the potential well. ... -
First polarimetry results of two candidate high-mass protostellar objects
Curran, R.; Chrysostomou, A.; Collett, J.; Jenness, T.; Aitken, D. (2004-07)We present 850 μm imaging polarimetry of two high-mass star forming regions – W48 and S152. Within these regions we have identified two candidate high-mass protostellar objects – W48W and S152SE. The submillimetre continuum ... -
First SCUBA Polarimetry of Two Candidate High-Mass Protostellar Objects
Curran, R.; Chrysostomou, A.; Collett, J.; Aitken, D.; Jenness, T. (Astronomical Society of the Pacific, 2005)We present the first polarimetry towards two candidate highmass protostellar objects - W48W and S152SE. The polarimetry across both candidate HMPOs is ordered with a high degree of polarization (6-8%) compared to that of ... -
A General Catalogue of 6.7GHz Methanol Masers II: statistical analysis
Pestalozzi, M.; Chrysostomou, A.; Collett, J.; Minier, V.; Conway, J.; Booth, R. (2007) -
A new population of extended, luminous star clusters in the halo of M31
Huxor, A.P.; Tanvir, N.; Irwin, J.; Ibata, R.A.; Collett, J.; Ferguson, A.M.N.; Bridges, T.; Lewis, G.F. (2005-07) -
OH Megamasers, starburst and AGN activity in Markarian 231
Richards, A.M.S.; Knapen, J.; Yates, J.A.; Cohen, R.J.; Collett, J.; Wright, M.M.; Gray, M.D.; Field, D. (2005-12) -
Problem-based learning in astrophysics
Raine, D.; Collett, J. (2003) -
Resolved OH megamaser emission in the nuclear region of the ultraluminous infrared galaxy Markarian 273
Yates, J.A.; Richards, A.M.S.; Wright, M.M.; Collett, J.; Gray, M.D.; Field, D.; Cohen, R.J. (2000)We present high angular resolution MERLIN observations of the 18-cm OH maser and continuum emission associated with the active core of the ultraluminous infrared galaxy Markarian 273. The continuum emission comes from three ... -
A Study of Shell Profiles
Turnbull, A.J.; Collett, J. (Astronomical Society of the Pacific, 1999)High signal to noise images have been obtained of a large sample of shell galaxies. We examine the photometric profiles of the shells of two galaxies from this sample at small and large radii in order to understand the ... -
Supermassive black hole mass measurements for NGC 1300 and 2748 based on Hubble Space Telescope emission-line gas kinematics
Atkinson, J.; Collett, J.; Marconi, A.; Axon, D.J.; Alonso-Herrero, A.; Batcheldor, D.; Binney, J.; Capetti, A.; Carollo, C.M.; Dressel, L. (2005) -
Supermassive black holes in the Sbc spiral galaxies NGC 3310, NGC 43-3 and NGC 4258
Pastorini, G.; Marconi, A.; Capetti, A.; Axon, D.J.; Alonso-Herrero, A.; Atkinson, J.; Batcheldor, D.; Marcella Carollo, C.; Collett, J. (2007)