Department of Astronomy: Kemball Research Group

Recent publications

Articles in Journals (in print or accepted)

Vlemmings, W. H. T., Khouri, T., Marti-Vidal, I., Tafoya, D., Baudry, A., Etoka, S., Humphreys, E. M. L., Jones, T. J., Kemball, A., O'Gorman, E., Perez-Sanchez, A. F., and Richards, A. M. S. 2017, Magnetically aligned dust and SiO maser polarization in the envelope of the red supergiant VY CMa, Astronomy and Astrophysics (submitted), https://arxiv.org/abs/1703.02084 (12pp).


Richter, L., Kemball, A., and Jonas, J. 2016, Simultaneous VLBA polarimetric observations of the v={1,2} J=1-0 and v=1, J=2-1 SiO maser emission toward VY CMa II: component-level polarization analysis, Monthly Notices of the Royal Astronomical Society, 461, 2309 (19pp).


Hezaveh, Y.D., Dalal, N., Marrone, D.P., Mao, Y.-Y., Morningstar, W., Wen, D., Blandford, R.D., Carlstrom, J.E., Fassnacht, C.D., Holder, G.P., Kemball, A., Marshall, P.J., Murray, N., Perreault Levasseur, L., Vieira, J.D., and Wechsler, R.H. 2016,Detection of lensing substructure using ALMA observations of the dusty galaxy SDP.81, Astrophysical Journal, 823, 37(19pp).


Gonidakis, I., Diamond, P.J., and Kemball, A.J. 2013, A long-term VLBA monitoring campaign of the v=1, J=1-0 SiO masers toward TX Cam, I: Morphology and shock waves, Monthly Notices of the Royal Astronomical Society, 433, 3133 (19pp).


Richter, L., Kemball, A., and Jonas, J. 2013, Simultaneous VLBA polarimetric observations of the v={1,2} J=1-0 and v=1 J=2-1 SiO maser emission toward VY CMa: maser morphology and pumping, Monthly Notices of the Royal Astronomical Society, 436, 1708 (13pp).


Leal-Ferreira, M.L., Vlemmings, W.H.T., Kemball, A., and Amiri, N. 2013,Magnetic fields around evolved stars: further observations of H2O maser polarization, Astronomy and Astrophysics, 554, A134 (15pp).


Leal-Ferreira, M.L., Vlemmings, W.H.T., Diamond, P.J., Kemball, A., Amiri, N., and Desmurs, J.-F. 2012, Rotten Egg nebula: the magnetic field of a binary evolved star, Astronomy and Astrophysics, 540, A42 (7pp).


Amiri, N., Vlemmings, W.H.T., Kemball, A.J., and van Langevelde, H.J. 2012, VLBA SiO maser observations of the OH/IR star OH 44.8-2.3: magnetic field and morphology, Astronomy and Astrophysics, 538, A136 (10pp).


Kemball, A.J, Diamond, P.J., Richter, L., Gonidakis, I., and Xue, R. 2011, Electric Vector Rotations of π/2 in Polarized Circumstellar SiO Maser EmissionElectric Vector Rotations of π/2 in Polarized Circumstellar SiO Maser Emission, Astrophysical Journal, 743, 69 (9pp).


Lien, A., Chakraborty, N., Fields, B.D., and Kemball, A. 2011,Radio Supernovae in the Great Survey Era, Astrophysical Journal, 740, 23 (8pp).


Kemball, A.J., and Richter, L. 2011,Circular Polarization Measurement in Millimeter-Wavelength Spectral-Line VLBI Observations, Astronomy and Astrophysics, 533, A26 (17pp).


Friedel, D.N., Kemball, A., and Fields, B.D. 2011, The Search for Extragalactic Lithium HydrideThe Search for Extragalactic Lithium Hydride, Astrophysical Journal, 738, 37 (6pp).


Nakashima, J., Deguchi, S., Imai, H., Kemball, A., and Lewis, B.M. 2010, Maser Properties of the Enigmatic IRAS Source 19312+1950Maser Properties of the Enigmatic IRAS Source 19312+1950, Astrophysical Journal, 728, 76 (14pp).


Kemball, A.J., Martinsek,A., Mitra,M., and Chiang, H.-F. 2010, Further Evaluation of Bootstrap Resampling as a Tool for Radio-Interferometric Imaging Fidelity Assessment,Further Evaluation of Bootstrap Resampling as a Tool for Radio-Interferometric Imaging Fidelity Assessment, Astronomical Journal, 139, 252-266.


Gonidakis, I., Diamond, P.J., and Kemball, A.J. 2010,Kinematics of the v=1, J=1-0 SiO masers at 43 GHz towards TX Cam – a new 73-frame movie, Monthly Notices of the Royal Astronomical Society, 406, 395-408.


Koda, Jin, Scoville, Nick, Sawada, Tsuyoshi, La Vigne, Misty A., Vogel, Stuart N., Potts, Ashley E., Carpenter, John M., Corder, Stuartt A., Wright, Melvyn C. H., White, Stephen M., Zauderer, B. Ashley, Patience, Jenny, Sargent, Anneila I., Bock, Douglas C. J., Hawkins, David, Hodges, Mark, Kemball, Athol, Lamb, James W., Plambeck, Richard L., Pound, Marc W., Scott, Stephen L., Teuben, Peter, Woody, David, 2009, Dynamically Driven Evolution of the Interstellar Medium in M51Dynamically Driven Evolution of the Interstellar Medium in M51, Astrophysical Journal Letters, 700, L132-L136.


Kemball, A.J., Diamond, P.J., Gonidakis, I., Mitra,M., Yim, K., Pan, K.-C., and Chiang, H.-F., 2009,Multi-epoch imaging polarimetry of the SiO masers in the extended atmosphere of the Mira variable TX Cam, Astrophysical Journal , 698, 1721-1739.


Kwon, W., Looney, L.W., Mundy, L.G., Chiang, H.-F., & Kemball, A.J., 2009,Grain growth and density distribution of the youngest protostellar systems, Astrophysical Journal, 696, 841-852


Kemball, A.J., Crutcher, R., and Hasan, R., 2008,A component-based framework for radio-astronomical imaging software systems, Software Practice and Experience, 38, 493.


Frazin, R.A., Butala, M.D., Kemball, A., and Kamalabadi, 2005,Time-dependent reconstruction of nonstationary objects with tomographic or interferometric measurements, Astrophysical Journal, 635, L197-L200.


Kemball, A., and Martinsek, A., 2005,Bootstrap resampling as a tool for radio interferometric imaging fidelity assessment, Astronomical Journal, 129, 1760-1775.


Kemball, A.J., and Cornwell, T.J., 2004,A simple model of software costs for the Square Kilometer Array, Experimental Astronomy, 17, 317-327.


Diamond, P.J., and Kemball, A.J., 2003,  A movie of a star: multi-epoch VLBA imaging fo the SiO masers towards the Mira variable TX Cam, Astrophysical Journal, 599, 1372-1382.


Kemball, A.J., Patnaik, A.R., and Porcas, R.W., 2001,Polarization VLBI observations of the gravitational lens system B0218+357 at 8.4 GHz, Astrophysical Journal, 562, 649-653.


Patnaik, A.R., and Kemball, A.J., 2001, Sub-milliarcsec-scale structure of the gravitational lens B1600+434,Sub-milliarcsec-scale structure of the gravitational lens B1600+434, Astronomy and Astrophysics, 373, L25-L28.


Dyer, K.K., Goss, W.M. and Kemball, A.J., 2001,Australia Telescope Compact Array observations of the OH star Roberts 22: resolved images of hydroxyl emission, Astronomical Journal, 121, 2743-2751.


Kemball, Athol, Flatters, Chris, Gabuzda, Denise, Moellenbrock, George, Edwards, Philip, Fomalont, Edward, Hirabayashi, Hisashi, Horiuchi, Shinji, Inoue, Makoto, Kobayashi, Hideyuki, Murata, Yasuhiro, 2000, VSOP polarization observing at 1.6 GHz and 5 GHzVSOP polarization observing at 1.6 GHz and 5 GHz, Publications of the Astronomical Society of Japan, 52, 1055-1066.


Patnaik, A.R., Kemball, A.J., Porcas, R.W., and Garrett, M.A., 1999, Milliarcsec-scale polarization observations of the gravitational lens B1422+231Milliarcsec-scale polarization observations of the gravitational lens B1422+231, Monthly Notices of the Royal Astronomical Society,  307,  L1-L5.


Tingay, S. J., Jauncey, D. L., Reynolds, J. E., Tzioumis, A. K., King, E. A., Preston, R. A., Jones, D. L., Murphy, D. W., Meier, D. L., van Ommen, T. D., McCulloch, P. M., Ellingsen, S. P., Costa, M. E., Edwards, P. G., Lovell, J. E. J., Nicolson, G. D., Quick, J. F. H., Kemball, A. J., Migenes, V., Harbison, P., Jones, P. A., White, G. L., Gough, R. G., Ferris, R. H., Sinclair, M. W., Clay, R. W.Tingay et al., 1998, The subparsec-scale structure and evolution of Centaurus A: the nearest active radio galaxy,The subparsec-scale structure and evolution of Centaurus A: the nearest active radio galaxy, Astronomical Journal, 115,  3, 960-974.


Boboltz, D.A., Diamond, P.J., and Kemball, A.J., 1997, R Aqr: first detection of SiO maser proper motions, Astrophysical Journal Letters, 487, L147-L150.
Diamond, P.J., Kemball, A.J. and Boboltz, D.A., 1997, VLBA polarization monitoring of SiO masers towards late-type stars, Vistas in Astronomy, 41, 175-178.


Kemball, A.J., and Diamond, P.J., 1997, Imaging the magnetic field in the atmosphere of TX Cam, Astrophysical Journal Letters,  481, L111-L114.


Kemball, A.J., Diamond, P.J., and Pauliny-Toth, I.I.K., 1996,Continuum VLBI  polarimetry of 3C454.3 at 43 GHz, Astrophysical Journal Letters,  464, L55-L58.


Jones, Dayton L., Tingay, Steven J., Murphy, David W., Meier, David L., Jauncey, David L., Reynolds, John E., Tzioumis, Anastasios K., Preston, Robert A., McCulloch, Peter M., Costa, Marco E., Kemball, Athol J., Nicolson, George D., Quick, Jonathan F. H., King, Edward A., Lovell, James E. J., Clay, R. W., Ferris, Richard H., Gough, R. G., Sinclair, M. W., Ellingsen, S. P., Edwards, P. G., Jones, P. A., van Ommen, T. D., Harbison, Paul, Migenes, Victor, 1996,Discovery of a sub-parsec radio counterjet in the nucleus of Centaurus A,  Astrophysical Journal, 466, L63-L65.


Jauncey, D. L., Tingay, S. J., Preston, R. A., Reynolds, J. E., Lovell, J. E. J., McCulloch, P. M., Tzioumis, A. K., Costa, M. E., Murphy, D. W., Meier, D. L., Jones, D. L., Amy, S. W., Biggs, J. D., Blair, D. G., Clay, R. W., Edwards, P. G., Ellingsen, S. P., Ferris, R. H., Gough, R. G., Harbison, P., Jones, P. A., King, E. A., Kemball, A. J., Migenes, V., Nicolson, G. D., Sinclair, M. W., Ommen, T. V., Wark, R. M., White, G. L., 1995, Subparsec-scale structure and evolution of Centaurus A (NGC5128)Subparsec-scale structure and evolution of Centaurus A (NGC5128), Proceedings of the National Academy of Sciences, 92, 25, 11368-11370.


Kemball, A.J., Diamond, P.J., and Cotton, W.D., 1995,Data reduction techniques for spectral line polarization VLBI observations, Astronomy and Astrophysics Supplement Series, 110, 383-394.


Diamond, P.J., Kemball, A.J., Junor, W., Zensus, A., Benson, J., and Dhawan, V., 1994,Observation of a ring structure in SiO maser emission from late-type stars, Astrophysical Journal,  430, L61-L64.


MacLeod, G.C., Gaylard, M.J., and Kemball, A.J., 1993, Long-term variability in 12.2 GHz 2_0-3_(-1) E-methanol masers and new detections towards 6.6 GHz 5_1-6_0 A+ methanol masersLong-term variability in 12.2 GHz 2_0-3_(-1) E-methanol masers and new detections towards 6.6 GHz 5_1-6_0 A+ methanol masers, Monthly Notices of the Royal Astronomical Society,  262,  343-349.


Jauncey, D.L., Reynolds, J. E., Tzioumis, A. K., Muxlow, T. W. B., Perley, R. A., Murphy, D. W., Preston, R. A., King, E. A., Patnaik, A. R., Jones, D. L., Meier, D. L., Bird, D. J., Blair, D. G., Bunton, J. D., Clay, R. W., Costa, M. E., Duncan, R. A., Ferris, R. H., Gough, R. G., Hamilton, P. A., Hoard, D. W., Kemball, A., Kesteven, M. J., Lobdell, E. T., Luiten, A. N., Mcculloch, P. M., Murray, J. D., Nicholson, G. D., Rao, A. P., Savage, A., Sinclair, M. W., Skjerve, L., Taaffe, L., Wark, R. M., White, G. L., 1991, An unusually strong Einstein ring in the radio source PKS 1830-211, Nature,  352,  132-134.


Kemball, A.J., and Bishop, N.T., 1991, The numerical determination of apparent horizonsThe numerical determination of apparent horizons, Classical and Quantum Gravity,  8,  1361-1367.


Jauncey, D.L., Kemball, A., Bartel, N., Shapiro, I.I., Whitney, A.R., Rogers, A.E.E., Preston, R.A., and Clark, T.A., 1988,  Supernova 1987A: radiosphere resolved with VLBI five days after the neutrino burst, Nature,  334,  412-415.


Kemball, A.J., Gaylard, M., and Nicolson, G.D., 1988,Newly discovered methanol masers associated with IRAS sources, Astrophysical Journal, 331, L37-L40.


Kemball, A.J., Diamond, P.J., and Mantovani, F., 1988, A search for very compact structure in 16 OH masersA search for very compact structure in 16 OH masers, Monthly Notices of the Royal Astronomical Society,  234,  713-718.


Gaylard, M., and Kemball, A.J., 1984, Radio observations of the CMa OB1 HII regions,Radio observations of the CMa OB1 HII regions, Monthly Notices of the Royal Astronomical Society,  211,  155-165.

 

Conference Proceedings


Seidel, E.,  Allen, G.,  Freemon, M.,  Gammie, C. F.,  Kemball, A. J.,  Pennington, R., and Petravick, D. 2014, Computing and data challenges for multi-messenger astronomy, in Exascale Radio Astronomy, AAS Topical Conference Series Vol. 2. Proceedings of the conference held 30 March - 4 April, 2014 in Monterey, California. Bulletin of the American Astronomical Society, Vol. 46, #3, #200.01


Leal-Ferreira, M., Vlemmings, W., Kemball, A., Amiri, N., Maercker, M., Ramstedt, S., and Olofsson, G. 2014, Magnetic fields around evolved stars, in Asymmetrical Planetary Nebulae VI Conference, 4-8 Nov 2013, Edited by C. Morisset, G. Delgado-Inglada and S. Torres-Peimbert; presentation published online at http://www.astroscu.unam.mx/apn6/PROCEEDINGS/, id. #49


Gonidakis, I., Diamond, P., and Kemball, A. 2013, Comparison of the 42.8 and 43.1 GHz SiO masers toward TX Cam, in 11th European VLBI Network Symposium & Users Meeting, Oct 9-12, 2012, Proceedings of Science, http://pos.sissa.it/archive/conferences/178/045/11th%20EVN%20Symposium_045.pdf
Kemball, A. J. 2009, Meeting the future calibration and processing challenges for the Square Kilometer Array, (2009 USNC/URSI Annual Meeting, held 5-8 Jan 2009 in Boulder, CO); presentation published online at http://www.astro.caltech.edu/USNC-URSI-J/Boulder%202009%20presentations/index.htm.


Kemball, A., Cordes, J., Lazio, J., Backer, D., Bower, G., Bhatnagar, S., and Plante, R., 2009, Technology development for computational radio astronomy: 2010-2020, Astro2010: The Astronomy and Astrophysics Decadal Survey, Technology Development Papers, no. 46, 1-6.


Nakashima, J.-I., Deguchi, S., Hiroshi, I., and Kemball, A., 2008, Molecular line observations of the SiO maser source IRAS 19312+1950, in Organic matter in space, Proceedings of the International Astronomical Union, IAU Symposium, Vol.  251, 165-166.


McAlpine, K., Kemball, A., and Jonas, J.L., 2007, Full polarization VLBA maps of a proto-planetary nebula, in Astrophysical masers and their environments, Proceedings of the International Astronomical Union, IAU Symposium 242, 324-325.


Richter, L.L., Kemball, A.J., and Jonas, J.L., 2007, A VLBI polarization study of SiO masers towards VY CMa, in Astrophysical masers and their environments, Proceedings of the International Astronomical Union, IAU Symposium 242, 328-329.


Kemball, A.J., 2007, Stellar masers, circumstellar masers, and supernova remnants, in Astrophysical masers and their environments, Proceedings of the International Astronomical Union, IAU Symposium 242, 236-245.


Bock, D.C.-J.., Bolatto, A. D., Hawkins, D. W., Kemball, A. J., Lamb, J. W., Plambeck, R. L., Pound, M. W., Scott, S. L., Woody, D. P., Wright, M. C. H.et al., 2006, First results from CARMA: the combined array for research in millimeter-wave astronomy, in Ground-based and airborne telescopes, ed. L.M. Stepp, Proc. SPIE, Vol. 6267,  626713, 1-10.


Gonidakis, I., Diamond, P.J., and Kemball, A., 2006, Kinematics of the v=1, J=1-0 SiO masers at 43 GHz around TX Cam: New 73-epoch movie, in Recent advances in astronomy and astrophysics: 7th International Conference of the Hellenic Astronomical Society, AIP Conference Proceedings, Vol. 848, 333-342.


Braatz, J.A., McMullin, J., Garwood, R., and Kemball, A., 2003, AIPS++ reduction and analysis of GBT single-dish spectral data, in Astronomical Data Analysis and Software Systems XII, ASP Conference Series, Vol. 295, eds. H.E. Payne, R.I. Jedrzejewski, and R.N. Hook, 481-484.


Kemball, A.J., 2002, Observational studies of maser polarization, (in Cosmic masers: from proto-stars to black holes, IAU Symposium 206, held 5-10 March 2001 in Angra dos Reis, Rio de Janeiro, Brazil, eds. V. Migenes, and M. Reid (San Francisco:ASP), 359-366.


Garwood, R.W., McMullin, J.P., Kemball, A., Braatz, J., and Cornwell, T.J., 2002, Single dish data processing and analysis in AIPS++, in Astronomical Data Analysis and Software Systems XI, ASP Conference Proceedings, Vol. 281, eds. D.A. Bohlender, D. Durand, and T.H. Handley (San Francisco:ASP), 320-323.


Braatz, J., Minter, A., McMullin, J., Garwood, R., Kemball, A., Cornwell, T., and Prestage, R., 2002, AIPS++ applications in the commissioning and operation of the Green Bank Telescope, in Astronomical Data Analysis and Software Systems XI, ASP Conference Proceedings, Vol. 281, eds. D.A. Bohlender, D. Durand, and T.H. Handley (San Francisco:ASP), 332-335.


Desmurs, J.-F., Soria-Ruiz, R., Colomer, F., Marvel, K. B., Bujarrabal, V., Alcolea, J., Diamond, P. J., Boboltz, D., Kemball, A. J., 2002, The relative spatial distribution of SiO masers in AGB stars at 43 and 86 GHz,  in 6th European VLBI Network Symposium on New Developments in VLBI Science and Technology, held in Bonn, June 25th -28th 2002, eds. E. Ros, R.W. Porcas, A.P. Lobanov, and J.A. Zensus (Max-Planck-Institut fuer Radioastronomie (Bonn)), 221-222.


Gonidakis, I., Diamond, P.J.., and Kemball, A.J., 2002, The 43 GHz SiO maser emission around the Mira variable TX Cam: 62 epoch movie of the v=1, J=1-0 transition, in 6th European VLBI Network Symposium on New Developments in VLBI Science and Technology, held in Bonn, June 25th -28th 2002, eds. E. Ros, R.W. Porcas, A.P. Lobanov, and J.A. Zensus (Max-Planck-Institut fuer Radioastronomie (Bonn)), 227-228.


Braatz, J., McMullin, J., Garwood, R., and Kemball, A., 2002, AIPS++ and the GBT: a layered approach to processing and analysis of single-dish data, in Astronomical Data Analysis II, Proc. SPIE, Vol. 4847, eds. J.-L. Starck and F.D. Murtagh, 419-426.


McMullin, J.P., Garwood, R.W., Cornwell, T., Kemball, A., and Braatz, J., 2002, Single-dish analysis within AIPS++, in Single-dish radio astronomy: techniques and applications, ASP Conference Proceedings, Vol. 278, eds. S. Stanimirovic, D. Altschuler, P. Goldsmith, and C. Salter (San Francisco:ASP), 353-372.


Diamond, P.J., and Kemball, A.J., 2001, Rapidly evolving structures in the photosphere of the Mira variable TX Cam, in Galaxies and their constituents at the highest angular resolutions, Proceedings of IAU Symposium 205, held 15-18 Aug. 2000 at Manchester, U.K., ed. R.T. Schilizzi, 252-255.


Patnaik, A.R., Menten, K.M., Porcas, R.W., and Kemball, A.J.,  2001, Polarization observations of gravitational lenses, in Gravitational lensing: recent progress and future goals, ASP Conference Proceedings, Vol. 237, eds. T.G. Brainerd, and C.S. Kochanek (San Francisco:ASP), 99-100.


Golap, K., Kemball, A., Cornwell, T., and Young, W., 2001, Parallelization of wide-field imaging in AIPS++, in Astronomical Data Analysis and Software Systems X, ASP Conference Proceedings, Vol. 238, eds. F.R. Harnden, Jr., F.A. Primini, and H.E. Payne (San Francisco:ASP), 408-410.


Roberts, D.A., Crutcher, R.M., Imeraj, E., Kemball, A., and Young, W., 2000, I/O performance of AIPS++, in Astronomical Data Analysis Software and Systems IX, ASP Conference Proceedings, Vol. 216, eds. N. Manset, C. Veillet, and D. Crabtree, 490-493.


Diamond, P.J. and Kemball, A.J., 1999, Making movies of stars: VLBA monitoring of the SiO masers around the Mira variable TX Cam, in Asymptotic Giant Branch Stars, IAU Symposium 191, eds. T. Le Bertre, A. Lebre, and C. Waelkens, 195-200.


Roberts, D.A., Crutcher, R., Young, W., and Kemball, A.J., 1999, Status and future plans for parallelization of AIPS++, in Astronomical Data Analysis Software and Systems VIII, ASP Conference Series, Volume 172, eds. D.M. Mehringer, R.L. Plante, and D.A. Roberts, 15-18.


Kemball, A.J., 1999, VLBI polarimetry, In Synthesis Imaging in Radio Astronomy II, A collection of lectures from the 6th NRAO/NMIMT Synthesis Imaging Summer School, eds. G.B. Taylor, C.L. Carilli, and R.A. Perley, Astronomical Society of the Pacific Conference Series, Volume 180, 499-511.


Alberdi, A., Lara, L., Gomez, J. L., Marcaide, J. M., Perez-Torres, M. A., Kemball, A., Leppaenen, K., Marscher, A. P., Patnaik, A., Porcas, R.Alberdi et al., 1998, Magnetic field configuration in 4C 39.25,  in Radio emission from galactic and extragalactic compact sources, Astronomical Society of the Pacific Conference Series, Volume 144, IAU Colloquium 164, eds. J.A.Zensus, G.B.Taylor, and J.M. Wrobel, 115-116.


Boboltz, D.A., Diamond, P.J., and Kemball, A.J., 1998, Multi-epoch VLBA observations of the SiO maser emission towards R Aquarii (R Aqr), in Radio emission from galactic and extragalactic compact sources, Astronomical Society of the Pacific Conference Series, Volume 144, IAU Colloquium 164, eds. J.A.Zensus, G.B.Taylor, and J.M. Wrobel, 243-244.


Marvel, K.B., Diamond, P., and Kemball, A.J., 1998, Proper motions of water masers in circumstellar shells, in Tenth Cambridge workshop on cool stars, stellar systems and the sun, ASP Conference Series, Volume 154, eds. R.A.Donahue and J.A.Bookbinder, 1621-1628.

 

Marvel, K.B., Diamond, P.J., and Kemball, A.J., 1998, Proper motions of water masers in circumstellar shells, in Radio emission from galactic and extragalactic compact sources, Astronomical Society of the Pacific Conference Series, Volume 144, IAU Colloquium 164, eds. J.A.Zensus, G.B.Taylor, and J.M. Wrobel, 253-254.

Diamond, P.J., and Kemball, A.J., 1998, Imaging the surface of a star: VLBA monitoring of the SiO masers around U Herculis, in Radio emission from galactic and extragalactic compact sources, Astronomical Society of the Pacific Conference Series, Volume 144, IAU Colloquium 164, eds. J.A.Zensus, G.B.Taylor, and J.M. Wrobel, 245-246.


Diamond, P.J., and Kemball, A.J., 1996, Structural changes of SiO maser emission from stars, Astronomical Society of the Pacific Conference Series, 93,  Radio emission from the stars and the sun, 101.


Kemball, A.J., and Diamond, P.J., 1996, Continuum VLBI polarimetry of 3C 454.3 at 43 GHz, in Extragalactic radio sources: proceedings of the 175th Symposium of the International Astronomical Union, held in Bologna, Italy, 10-14 Oct. 1995, eds. R.D. Ekers, C. Fanti, and L. Padrielli (Kluwer), 33-34.


Jones, D. L., Tingay, S. J., Preston, R. A., Jauncey, D. L., Reynolds, J. E., Lovell, J. E. J., McCulloch, P. M., Tzioumis, A. K., Costa, M. E., Murphy, D. W., Meier, D. L., Clay, R. W., Edwards, P. G., Ellingsen, S. P., Ferris, R. H., Gough, R. G., Harbison, P., Jones, P. A., King, E. A., Kemball, A. J., Migenes, V., Nicolson, G. D., Sinclair, M. W., van Ommen, T. D., Wark, R. M., White, G. L.Reynolds etal., 1996,  A counterjet in the nucleus of Centaurus A, in Extragalactic radio sources: proceedings of the 175th Symposium of the International Astronomical Union, held in Bologna, Italy, 10-14 Oct. 1995, eds. R.D. Ekers, C. Fanti, and L. Padrielli (Kluwer), 23-24.


Preston, R. A., Tingay, S. J., Jauncey, D. L., Reynolds, J. E., Lovell, J. E. J., McCulloch, P. M., Tzioumis, A. K., Costa, M. E., Murphy, D. W., Meier, D. L., Jones, D. L., Clay, R. W., Edwards, P. G., Ellingsen, S. P., Ferris, R. H., Gough, R. G., Harbison, P., Jones, P. A., King, E. A., Kemball, A. J., Migenes, V., Nicolson, G. D., Sinclair, M. W., van Ommen, T. D., Wark, R. M., White, G. L.Preston etal., 1996, Monitoring the jet in Centaurus A at 0.1 parsec resolution, in Extragalactic radio sources: proceedings of the 175th Symposium of the International Astronomical Union, held in Bologna, Italy, 10-14 Oct. 1995, eds. R.D. Ekers, C. Fanti, and L. Padrielli (Kluwer), 21-22.


Van Moorsel, G., Kemball, A., and Greisen, E., 1996, AIPS developments in the nineties, in Astronomical data analysis software and systems V, ASP Conference Series Vol. 101, eds. G.H. Jacoby and J. Barnes, 37-40.


Diamond, P.J., and Kemball, A.J., 1996, Structural changes of SiO maser emission from stars, inRadio emission from the stars and the sun, ASP Conference Series, 93, Proceedings of a conference held at the University of Barcelona, Spain 3-7 July 1995 eds. A.R. Taylor and J.M. Paredes (San Francisco:ASP), 101-103.


Russel, J. L., Fey, A. L., Jauncey, D. L., Johnston, K. J., Kawaguchi, N., Kemball, A., King, E. A., Ma, C., MacLeod, G., Malin, D. F., McCulloch, P. M., Nicolson, G., Reynolds, J. E., Shaffer, D., Takahashi, Y., de Vegt, C., White, G. L., Zacharias, N., 1993, The radio/optical reference frame: progress and plans, in Sub-arcsecond Radio Astronomy, Proceedings of the Nuffield Radio Astronomy Laboratories’ conference, held in Manchester, July 20-24, 1992, ed. R.J. Davis and R.S. Booth (Cambridge: Cambridge University Press), 397-402.


Kemball, A.J., and Diamond, P.J., 1993, VLBI spectral line polarization observations of the OH masers in the supergiant IRC+10420, in Astrophysical Masers; Proceedings of the Conference, Arlington, VA, Mar. 9-11, 1992, 369-372.


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