Publications
182 results found
Graham JR, Meikle WPS, Evans A, et al., 1986, Collisionally Heated Dust in Large Magellanic Cloud Supernova Remnants, Light on Dark Matter
GRAHAM JR, MEIKLE WPS, ALLEN DA, et al., 1986, DISCOVERY OF A LARGE MASS OF IRON IN A TYPE-I SUPERNOVA, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, Vol: 218, Pages: 93-102, ISSN: 0035-8711
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- Citations: 44
Graham JR, Geballe T, Meikle WPS, et al., 1984, Supernova in NGC 991, IAU Circulars, 4003
J. R. Graham, Imperial College, London, telexes: "UKIRT service observations by T. Geballe on behalf of W. P. S. Meikle, J. R. Graham, P. L. Andrews, A. J. Longmore, P. M. Williams and D. A. Allen on Oct. 15.5 UT yield the following infrared magnitudes: J = 13.70, H = 13.46, K =13.45. The object has been designated as both type I (IAUC 3981) and type II (IAUC 3983). The blue H-K color is atypical of type II but similar to the colors of type I supernovae reported by Elias et al. (1981, Ap.J. 251, L13). Further optical spectroscopy is urgently required to identify the nature of this supernova."
Joseph RD, Meikle W, Robertson NA, et al., 1984, Star formation in interacting galaxies, Royal Observatory Star Formation Workshop
Meikle W, Walther DM, 1984, Supernova in NGC 4419, IAU Circulars., 3924
W. P. S. Meikle reports the following infrared magnitudes, obtained by D. M. Walther and himself with the U.K. Infrared Telescope on Feb. 29.6 UT: J = 14.55 +/- 0.03, H = 13.91 +/- 0.04, K = 14.03 +/- 0.04.
Meikle W, Graham JR, Bode MF, 1984, Supernova in NGC 4419, IAU Circulars, 3918
Observations with the 1.5-m telescope at the Cerro Tololo Interamerican Observatory show that the supernova is exhibiting infrared behavior similar to that previously observed in type I supernovae. The observed infrared magnitudes (using an 8" aperture) are: Feb. 10.3 UT, J = 13.92 +/- 0.05, H = 12.89 +/- 0.02, K = 12.80 +/- 0.02; 11.3, 13.89 +/- 0.03, 12.98 +/- 0.02, 13.09 +/- 0.04; 13.4, 13.77 +/- 0.06, 12.83 +/- 0.04, 12.92 +/- 0.04.
Robertson N, Joseph R, Meikle W, et al., 1984, Infrared Spectra of Interacting Galaxies, Spectral Evolution of Galaxies
Joseph RD, Meikle WPS, Robertson NA, et al., 1984, Star formation in interacting galaxies., Occas. Rep. R. Obs., Edinb., No. 13, p. 177 - 181
JOSEPH RD, MEIKLE WPS, ROBERTSON NA, et al., 1984, RECENT STAR FORMATION IN INTERACTING GALAXIES .1. EVIDENCE FROM JHKL PHOTOMETRY, MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, Vol: 209, Pages: 111-122, ISSN: 0035-8711
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- Citations: 152
WRIGHT GS, JOSEPH RD, MEIKLE WPS, 1984, THE ULTRALUMINOUS INTERACTING GALAXY NGC6240, NATURE, Vol: 309, Pages: 430-431, ISSN: 0028-0836
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- Citations: 76
GRAHAM JR, WRIGHT GS, MEIKLE WPS, et al., 1984, NGC3256 - AN EMERGING ELLIPTICAL GALAXY, NATURE, Vol: 310, Pages: 213-214, ISSN: 0028-0836
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- Citations: 41
Graham JR, Meikle WPS, Allen DA, et al., 1983, Discovery of an infrared echo in a supernova., Bulletin of the American Astronomical Society, Vol. 15, p. 877 (1983)
Bode MF, Evans A, Pearce G, et al., 1983, Infrared photometry of recent extragalactic supernovae., Bulletin of the American Astronomical Society
GRAHAM JR, MEIKLE WPS, SELBY MJ, et al., 1983, DISCOVERY OF AN IR ECHO FROM A SUPER-NOVA DUST CLOUD, NATURE, Vol: 304, Pages: 709-710, ISSN: 0028-0836
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- Citations: 36
Grady CA, Doazan V, Peters GJ, et al., 1982, Short-term UV line profile variation in 59 Cyg., Advances in Ultraviolet Astronomy: Four Years of IUE Research, NASA CP-2238
WILLIS AJ, WILSON R, VANDENBOUT P, et al., 1980, ULTRAVIOLET, VISIBLE, INFRARED, AND X-RAY OBSERVATIONS OF SCORPIUS X-1, ASTROPHYSICAL JOURNAL, Vol: 237, Pages: 596-612, ISSN: 0004-637X
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- Citations: 46
TREVES A, CHIAPPETTI L, TANZI EG, et al., 1980, ULTRAVIOLET, X-RAY, AND INFRARED OBSERVATIONS OF HDE 226868=CYGNUS X-1, ASTROPHYSICAL JOURNAL, Vol: 242, Pages: 1114-1123, ISSN: 0004-637X
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- Citations: 35
Palumbo GGC, Mandolesi N, Morigi G, et al., 1978, Upper limits for the microwave pulsed emission from supernova explosions in clusters of galaxies, Astrophysics and Space Science, Vol: 54, Pages: 355-363, ISSN: 0004-640X
Meikle WPS, 1978, Supernova radio pulse searches and possible improvements in sensitivity, Astrophysical Journal, Vol: 220, Pages: 1076-1086, ISSN: 0004-637X
JOSEPH RD, ALLEN J, MEIKLE WPS, et al., 1977, IMPERIAL COLLEGE 41-INCH BALLOON TELESCOPE FOR FAR-INFRARED ASTRONOMY, INFRARED PHYSICS, Vol: 17, Pages: 513-513, ISSN: 0020-0891
MEIKLE WPS, 1977, UPPER LIMITS FOR RADIO PULSE EMISSION RATE FROM EXPLODING BLACK-HOLES, NATURE, Vol: 269, Pages: 41-42, ISSN: 0028-0836
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- Citations: 8
JOSEPH RD, ALLEN J, MEIKLE WPS, et al., 1977, IMPERIAL COLLEGE 41-INCH TELESCOPE FOR FAR-INFRARED BALLOON ASTRONOMY, OPTICAL ENGINEERING, Vol: 16, Pages: 558-562, ISSN: 0091-3286
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- Citations: 8
Baird GA, Meikle WPS, Jelley JV, et al., 1976, A review of some radio and microwave searches for transient phenomena in relation to Vela gamma-ray bursts and supernovae, Astrophysics and Space Science, Vol: 42, Pages: 69-72, ISSN: 0004-640X
Meikle W, 1976, An upper limit to microwave pulse emission at the onset of a supernova, Astronomy and Astrophysics, ISSN: 0004-6361
Baird GA, Delaney TJ, Lawless BG, et al., 1975, A search for VHF radio pulses in coincidence with celestial gamma-ray bursts, The Astrophysical Journal, Vol: 196, Pages: L11-L11, ISSN: 0004-637X
Drever RWP, Meikle WPS, Hough J, et al., 1974, Searches for Ionospheric Effects of X-Ray Bursts, and for Bursts of Radio Emission, Gravitational Radiation, and Microwave Emission from Astronomical Sources, Transient Cosmic Gamma- and X-Ray Sources
Delaney T, Baird G, Smith H, et al., 1974, A Search for Isolated Microwave Pulses from the Perseus Cluster of Galaxies, Astronomy and Astrophysics, ISSN: 0004-6361
Jelley JV, Meikle WPS, Drever RWP, et al., 1974, An Experiment to Search for Prompt Emissions from Supernovae at Microwave Frequencies, Astrophysics and Space Science Library, ISSN: 0067-0057
Meikle WPS, 1973, A search for radio pulses of astrophysical origin
The traditional use of long integration times by both optical and radio astronomers has, until recently, precluded the exploration of transient astrophysical events. With the discovery of the pulsars, it became apparent that there might exist an important field of investigation involving phenomena of short duration. This thesis is a description of a search for isolated bursts ( <103 s duration) of radio emission from cosmic sources. Conventional generating mechanisms such as black-body or synchrotron processes are unlikely to give rise to detectable pulses of duration < 10 s if the emission is isotropic. However, if the energy is "beamed" towards the earth or if the source moves at relativistic velocities then the observation of- much greater energies is possible, Specific sources which might give rise to detectable bursts of radio emission are supernovae, novae, black holes and pulsars. In addition, assuming that the coincidences detected by Weber are due to gravitational waves of astrophysical origin, if only?10-21 of the energy present in these events were radiated into a 1 MHz band of the VHF spectrum then this emission would be easily observable. It is interesting to note that in 1949 F.G. Smith discovered 10-20 s bursts ox MHz radiation, apparently of extraterrestrial origin. No further investigation of these events was wade until the commencement of the present work. Initial observations were carried out simultaneously at Cambridge, Dublin, Glasgow, Harwell and Jodrell Fank using simple dipole inter-ferometers. By searching for events which occurred in coincidence at several stations, this "spaced-receiver" technique made possible the elimination of local interference pulses. The principal operating frequency was 151.5 MHz, although some stations set up additional lower frequency systems in order to investigate possible dispersion effects. Dispersion measures to potential sources were likely to be in the range 10-103 cm-3 pc and it i
Meikle W, Drever R, Haynes R, et al., 1972, A search for isolated radio pulses from the Crab Nebula at 151.5 MHz, Monthly Notices of the Royal Astronomical Society, Vol: 160, Pages: 5p-8p, ISSN: 0035-8711
A search has been made for large bursts of radio emission at 151.5 MHz from the direction of the Crab Nebula. In 605 hr of observation, no events exceeding a flux of 1.4 × 10 −22 W m −2 Hz −1 were detected. This therefore sets an upper limit for the energy in radio pulses from the direction of the Crab Nebula which might be associated with the events recorded in the gravitational wave experiments of Weber. Implications of the results with regard to ‘strong pulses’ and phase fluctuations in the periodic emissions from the pulsar NP 0532 are also examined.
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