Optical spectroscopy and photometry of SAX J1808.4−3658 in outburst von Elebert, P., Reynolds, M. T., Callanan, P. J., Hurley, D. J., Ramsay, G., Lewis, F., Russell, D. M., Nord, B., Kane, S. R., DePoy, D. L., Hakala, P.

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The light curve of the companion to PSR B1957+20 von Reynolds, M. T., Callanan, P. J., Fruchter, A. S., Torres, M. A. P., Beer, M. E., Gibbons, R. A.

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Roche lobe underfilling of the secondary star in PSR J102347.6+003841? von McConnell, O., Callanan, P. J., Kennedy, M., Hurley, D., Garnavich, P., Menzies, J.

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MMT Observations of the Black Hole Candidate XTE J1118+480 near and in Quiescence von Torres, M. A. P, Callanan, P. J, Garcia, M. R, Zhao, P, Laycock, S, Kong, A. K. H

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Ground- and space-based study of two globular cluster cataclysmic variables: M22 CV1 and M5 V101 von Hourihane, A. P., Callanan, P. J., Cool, A. M., Reynolds, M. T.

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Optical spectroscopy and Doppler tomography of Cygnus X-2 von Elebert, P., Callanan, P. J., Torres, M. A. P., Garcia, M. R.

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Detection of Hard X-Ray Pulsations and a Strong Iron Kβ Emission Line during an Extended Low State of GX 1+4 von Naik, S, Paul, B, Callanan, P. J

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Optical photometry and spectroscopy of the accretion-powered millisecond pulsar HETE J1900.1 − 2455 von Elebert, P., Callanan, P. J., Filippenko, A. V., Garnavich, P. M., Mackie, G., Hill, J. M., Burwitz, V.

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Broadband X-Ray Spectrum of KS 1947+300 with BeppoSAX von Naik, S, Callanan, P. J, Paul, B, Dotani, T

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The mass of the neutron star in the binary millisecond pulsar PSR J1012 + 5307 von Callanan, Paul J., Garnavich, Peter M., Koester, Detlev

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The mass of the black hole in GRS 1915+105: new constraints from infrared spectroscopy von Hurley, D. J., Callanan, P. J., Elebert, P., Reynolds, M. T.

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A PERIOD DISTRIBUTION OF X-RAY BINARIES OBSERVED IN THE CENTRAL REGION OF M31 WITH CHANDRA AND THE HUBBLE SPACE TELESCOPE von Barnard, R, GALACHE, J L, Garcia, M R, NOORAEE, N, Callanan, P J, ZEZAS, A, Murray, S S

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Optical Spectral Monitoring of XTE J1118+480 in Outburst: Evidence for a Precessing Accretion Disk? von Torres, M. A. P, Callanan, P. J, Garcia, M. R, McClintock, J. E, Garnavich, P, Balog, Z, Berlind, P, Brown, W. R, Calkins, M, Mahdavi, A

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Spectroscopic Identification of Probable Cataclysmic Variables in the Globular Cluster NGC 6397 von Grindlay, J. E, Cool, A. M, Callanan, P. J, Bailyn, C. D, Cohn, H. N, Lugger, P. M

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Chandra, Swift, and HST studies of the CXOM31 J004253.1+411422 Very bright X-ray transient in M 31 von NOORAEE, N, CALLANAN, P. J, BARNARD, R, GARCIA, M. R, MURRAY, S. S, MOSS, A

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Chandra, Swift, and HST studies of the CXOM31 J004253.1+411422: Very bright X-ray transient in M31 von Nooraee, N, Callanan, P J, Barnard, R, Garcia, M R, Murray, S S, Moss, A

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The Dynamics of M15: Observations of the Velocity Dispersion Profile and Fokker-Planck Models von Dull, J. D, Cohn, H. N, Lugger, P. M, Murphy, B. W, Seitzer, P. O, Callanan, P. J, Rutten, R. G. M, Charles, P. A

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Time-resolved spectroscopy of the M15 X-ray binary AC211/X2127+119 von Torres, M. A. P., Callanan, P. J., Garcia, M. R.

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BeppoSAX observations of the X-ray binary pulsar GX 1+4 von Naik, S, Callanan, P J, Paul, B

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Power-Law Decays in the Optical Counterparts of GRB 970228 and GRB 970508 von Garcia, M. R, Callanan, P. J, Moraru, D, McClintock, J. E, Tollestrup, E, Willner, S. P, Hergenrother, C, Robinson, C. R, Kouveliotou, C, van Paradijs, J

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