Professor Phil Charles 

Hannikainen, D.C., Kaiser, Christian R., Vilhu, 0., Rodriguez, J., Brandt, S., Westergaard, N.J., Lund, N., Mocoeur, I., Durouchoux, Ph., Belloni, T., Castro-Tirado, A., Charles, P.A., Dean, A.J., Fender, R.P., Feroci, M., Hakala, P., Hunstead, R.W., King, A., Mirabel, I.F., Pooley, G.G., Poutanen, J., Wu, K. and Zdziarski, A.A. (2003) First INTEGRAL observations of GRS 1915+105. Astronomy & Astrophysics, 411, L415-L419. (doi:10.1051/0004-6361:20031444).

Dieball, A., Knigge, C., Zurek, D.R., Shara, M.M, Long, K.S., Charles, P. A., Hannikainen, D.C. and van Zyl, L. (2005) An ultracompact x-ray binary in the Globular Cluster M15 (NGC 7078). Astrophysical Journal, 634 (1), L105-L108. (doi:10.1086/498712).

Hynes, R.I, Zurita, C., Haswell, C.A., Casares, J, Charles, P.A., Pavlenko, E.P., Shugarov, S.Y. and Lott, D.A. (2002) Halpha flares from V404 Cyg in quiescence. Monthly Notices of the Royal Astronomical Society, 330 (4), 1009-1021. (doi:10.1046/j.1365-8711.2002.05145.x).

McGowan, K.E., Charles, P., Blustin, A.J., Livio, M., O'Donoghue, D. and Heathcote, B. (2005) XMM spectroscopy of the transient supersoft source RXJ0513.9 - 6951: probing the dynamic white dwarf photosphere. Monthly Notices of the Royal Astronomical Society, 364 (2), 462-474. (doi:10.1111/j.1365-2966.2005.09566.x).

Clarkson, W.I., Charles, P., Coe, M.J., Laycock, S., Tout, M.D. and Wilson, C.A. (2003) Long-term properties of accretion discs in X-ray binaries - I.The variable third period in SMC X-1. Monthly Notices of the Royal Astronomical Society, 339 (2), 447-454. (doi:10.1046/j.1365-8711.2003.06176.x).

Hynes, R.I., Steeghs, D., Casares, J., Charles, P.A. and O'Brien, P. (2003) Dynamical evidence for a black hole in GX 339-4. Astrophysical Journal, 583 (2), L95-L98. (doi:10.1086/368108).

Dieball, A., Knigge, C., Zurek, D.R., Shara, M.M., Long, K.S., Charles, P.A. and Hannikainen, D. (2009) Erratum: "unveiling the core of the globular cluster M 15 in the ultraviolet" (2007, ApJ, 670, 379). The Astrophysical Journal, 708 (2), 1772. (doi:10.1088/0004-637X/708/2/1772).

Masetti, N., Parisi, P., Palazzi, E., Bassani, L., Landi, R., Malizia, A., Schiavone, F., Stephen, J.B., Jimenez-Bailon, E., Chavushyan, V., Morelli, L., Mason, E., Galaz, G., Minniti, D., Bird, A.J., Dean, A.J., McBride, V.A., Charles, P.A., Bazzano, A. and Ubertini, P. (2010) Revealing the nature of new unidentified INTEGRAL sources. arXiv.

Masetti, N., Mason, E., Morelli, L., Cellone, S.A., McBride, V.A., Palazzi, E., Bassani, L., Bazzano, A., Bird, A.J., Charles, P.A., Dean, A.J., Galaz, G., Gehrels, N., Landi, R., Malizia, A., Minniti, D., Panessa, F., Romero, G.E., Stephen, J.B., Ubertini, P. and Walter, R. (2008) Unveiling the nature of INTEGRAL objects through optical spectroscopy. Astronomy & Astrophysics, 482 (1), 113-132. (doi:10.1051/0004-6361:20079332).

Rajoelimanana, A.F., Charles, P.A. and Udalski, A. (2011) Very long-term optical variability of high-mass X-ray binaries in the Small Magellanic Cloud. Monthly Notices of the Royal Astronomical Society, 413 (3), 1600-1622. (doi:10.1111/j.1365-2966.2011.18243.x).

Foster, Deatrick, Charles, Phil and Holley-Bockelmann, Kelly (2010) Interpretation of the 115 day periodic modulation in the X-ray flux of NGC 5408 X-1. The Astrophysical Journal, 725 (2), 2480-2484. (doi:10.1088/0004-637X/725/2/2480).

Charles, Phil, Clarkson, Will, Cornelisse, Remon and Shih, Chun (2008) Observational properties of accretion discs: precessing and warped? New Astronomy Reviews, 51 (10-12), 768-774. (doi:10.1016/j.newar.2008.03.025).

Cornelisse, R., D'Avanzo, P., Muñoz-Darias, T., Campana, S., Casares, J., Charles, P.A., Steeghs, D., Israel, G. and Stella, L. (2009) Phase-resolved spectroscopy of the accreting millisecond X-ray pulsar SAX J1808.4-3658 during the 2008 outburst. Astronomy & Astrophysics, 495 (1), L1-L4. (doi:10.1051/0004-6361:200811396).

Kotze, M.M. and Charles, P.A. (2012) Characterizing X-ray binary long-term variability. Monthly Notices of the Royal Astronomical Society, 420 (2), 1575-1589. (doi:10.1111/j.1365-2966.2011.20146.x).

Cornelisse, R., Casares, J., Charles, P. A. and Steeghs, D. (2013) A 2 h periodic variation in the low-mass X-ray binary Ser X-1. Monthly Notices of the Royal Astronomical Society, 432 (2), 1361-1366. (doi:10.1093/mnras/stt554).

Gandhi, P., Littlefair, S.P., Hardy, L.K., Dhillon, V.S., Marsh, T.R., Shaw, A.W., Altamirano, D., Caballero-Garcia, M.D., Casares, J., Casella, P., Castro-Tirado, A.J., Charles, P.A., Dallilar, Y., Eikenberry, S., Fender, R.P., Hynes, R.I., Knigge, C., Kuulkers, E., Mooley, K., Munoz-Darias, T., Pahari, M., Rahoui, F., Russell, D.M., Hernandez Santisteban, J.V., Shahbaz, T., Terndrup, D.M., Tomsick, J. and Walton, D.J. (2016) Furiously fast and red: sub-second optical flaring in V404 Cyg during the 2015 outburst peak. Monthly Notices of the Royal Astronomical Society, 459 (1), 554-572. (doi:10.1093/mnras/stw571).

Shaw, A.W., Gandhi, P., Altamirano, D., Uttley, P., Tomsick, J.A., Charles, P.A., Furst, F., Rahoui, F. and Walton, D.J. (2016) A low-luminosity soft state in the short-period black hole X-ray binary Swift J1753.5-0127. Monthly Notices of the Royal Astronomical Society, 458 (2), 1636-1644. (doi:10.1093/mnras/stw417).

Rushton, A.P., Shaw, A.W., Fender, R.P., Altamirano, D., Gandhi, P., Uttley, P., Charles, P.A., Kolehmainen, M., Anderson, G.E., Rumsey, C. and Titterington, D.J. (2016) Disc-jet quenching of the galactic black hole Swift J1753.5-0127. Monthly Notices of the Royal Astronomical Society, 1-8. (doi:10.1093/mnras/stw2020).

Munoz-Darias, T., Casares, J., Mata Sanchez, D., Fender, R.P., Armas Padila, M., Mooley, K., Hardy, L., Charles, P.A., Ponti, G., Motta, S.E., Dhillon, V.S., Gandhi, P., Jimenez-Ibarra, F., Butterley, T., Carey, S., Grainge, K.J.B., Hickish, J., Littlefair, S.P., Perrott, Y.C., Razavi-Ghods, N., Rumsey, C., Scaife, A.M.M., Scott, P.F., Titterington, D.J. and Wilson, R.W. (2016) Flares, wind and nebulae: the 2015 December mini-outburst of V404 Cygni. Monthly Notices of the Royal Astronomical Society: Letters, 1-6. (In Press)

Shaw, A.W., Charles, P.A., Casares, J. and Hernandez Santisteban, J.V. (2016) No evidence for a low-mass black hole in Swift J1753.5-0127. Monthly Notices of the Royal Astronomical Society, 463 (2), 1314-1322. (doi:10.1093/mnras/stw2092).

Pahari, Mayukh, Gandhi, Poshak, Charles, Philip A., Kotze, Marissa M., Altamirano, Diego and Misra, Ranjeev (2017) Simultaneous optical/X-ray study of GS 1354-64 (=BW Cir) during hard outburst: evidence for optical cyclo-synchrotron emission from the hot accretion flow. Monthly Notices of the Royal Astronomical Society, 469 (1), 193-205. (doi:10.1093/mnras/stx840).

Motta, S.E., Kajava, J.J.E., Sánchez-Fernández, C., Beardmore, A.P., Sanna, A., Page, K.L., Fender, R., Altamirano, D., Charles, P., Giustini, M., Knigge, C., Kuulkers, E., Oates, S. and Osborne, J.P. (2017) Swift observations of V404 Cyg during the 2015 outburst: X-ray outflows from super-Eddington accretion. Monthly Notices of the Royal Astronomical Society, 471 (2), 1797-1818. (doi:10.1093/mnras/stx1699).

Middleton, M.J., Casella, P., Gandhi, P., Bozzo, E., Anderson, G., Degenaar, N., Donnarumma, I., Israel, G., Knigge, C., Lohfink, A., Markoff, S., Marsh, T., Rea, N., Tingay, S., Wiersema, K., Altamirano, D., Bhattacharya, D., Brandt, W.N., Carey, S., Charles, P., Trigo, M. Diaz, Done, C., Kotze, M., Eikenberry, S., Fender, R., Ferruit, P., Fuerst, F., Greiner, J., Ingram, A., Heil, L., Jonker, P., Komossa, S., Leibundgut, B., Maccarone, T., Malzac, J., McBride, V., Miller-Jones, J., Page, M., Rossi, E.M., Russell, D.M., Shahbaz, T., Sivakoff, G.R., Tanaka, M., Thompson, D.J., Uemura, M., Uttley, P., Moorsel, G. van, Doesburgh, M. Van, Warner, B., Wilkes, B., Wilms, J. and Woudt, P. (2017) Paving the way to simultaneous multi-wavelength astronomy. New Astronomy Reviews. (doi:10.1016/j.newar.2017.07.002).

Fender, R., Woudt, P. A., Armstrong, R., Groot, P., McBride, V., Miller-Jones, J., Mooley, K., Stappers, B., Wijers, R., Bietenholz, M., Blyth, S., Bottcher, M., Buckley, D., Charles, P., Chomiuk, L., Coppejans, D., Corbel, S., Coriat, M., Daigne, F., Blok, W. J. G. de, Falcke, H., Girard, J., Heywood, I., Horesh, A., Horrell, J., Jonker, P., Joseph, T., Kamble, A., Knigge, C., Koerding, E., Kotze, M., Kouveliotou, C., Lynch, C., Maccarone, T., Meintjes, P., Migliari, S., Murphy, T., Nagayama, T., Nelemans, G., Nicholson, G., O'Brien, T., Oodendaal, A., Oozeer, N., Osborne, Julian, Perez-Torres, M., Ratcliffe, S., Ribeiro, V., Rol, E., Rushton, A., Scaife, A., Schurch, M., Sivakoff, G., Staley, T., Steeghs, D., Stewart, I., Swinbank, J., Heyden, K. van der, Horst, A. van der, Soelen, B. van, Vergani, S., Warner, B. and Wiersema, K. (2018) ThunderKAT: the MeerKAT large survey project for image-plane radio transients. Proceedings of Science, 1-12. (doi:10.22323/1.277.0013).

Jiménez-Ibarra, F., Muñoz-Darias, T., Wang, L., Casares, J., Sánchez, D. Mata, Steeghs, D., Padilla, M. Armas and Charles, P. A. (2018) Bowen emission from Aquila X-1: Evidence for multiple components and constraint on the accretion disc vertical structure. Monthly Notices of the Royal Astronomical Society, 474 (4), 4717-4722. (doi:10.1093/mnras/stx2926).

Pović, Mirjana, Backes, Michael, Baki, Paul, Baratoux, David, Tessema, Solomon Belay, Benkhaldoun, Zouhair, Bode, Michael, Klutse, Nana A.Browne, Charles, Phil, Govender, Kevin, Van Groningen, Ernst, Jurua, Edward, Mamo, Alemiye, Manxoyi, Sivuyile, McBride, Vanessa, Mimouni, Jamal, Nemaungani, Takalani, Nkundabakura, Pheneas, Okere, Bonaventure, Saad, Somaya, Simpemba, Prospery C., Walwa, Tefera and Yilma, Abdissa (2018) Development in astronomy and space science in Africa. Nature Astronomy, 2 (7), 507-510. (doi:10.1038/s41550-018-0525-x).

Dage, Kristen C., Clarkson, William I., Charles, Philip A., Laycock, Silas G.T. and Shih, I. Chun (2019) Long-term properties of accretion discs in X-ray binaries - III. A search for spin-superorbital correlation in SMC X-1. Monthly Notices of the Royal Astronomical Society, 482 (1), 337-350. (doi:10.1093/mnras/sty2572).

Johnson, Michael A.C., Gandhi, Poshak, Chapman, Adriane P., Moreau, Luc, Charles, Philip A., Clarkson, William I. and Hill, Adam B. (2018) Prospecting period measurements with LSST - low mass X-ray binaries as a test case. arXiv.

Mata Sánchez, D., Muñoz-darias, T., Casares, J., Charles, P.A., Armas Padilla, M., Fernández-Ontiveros, J.A., Jiménez-Ibarra, F., Jonker, P G, Linares, M., Torres, M.A.P., Shaw, A.W., Rodríguez-Gil, P., Van Grunsven, T., Blay, P., Caballero-García, M.D., Castro-Tirado, A., Chinchilla, P., Farina, C., Ferragamo, A., Lopez-Martinez, F., Rubiño-Martin, J.A. and Suárez-Andrés, L. (2018) The 1989 and 2015 outbursts of V404 Cygni: a global study of wind-related optical features. Monthly Notices of the Royal Astronomical Society, 481 (2), 2646-2665. (doi:10.1093/mnras/sty2402).

Maccarone, Thomas J., Nelson, Thomas J., Brown, Peter J., Mukai, Koji, Charles, Philip A., Rajoelimanana, Andry, Buckley, David A.H., Strader, Jay, Chomiuk, Laura, Britt, Christopher T., Jha, Saurabh W., Mróz, Przemek, Udalski, Andrzej, Szymański, Michal K., Soszyński, Igor, Poleski, Radosław, Kozłowski, Szymon, Pietrukowicz, Paweł, Skowron, Jan and Ulaczyk, Krzysztof (2019) Unconventional origin of supersoft X-ray emission from a white dwarf binary. Nature Astronomy, 3 (2), 173-177. (doi:10.1038/s41550-018-0639-1).

Alfonso-Garzón, J., Sánchez-Fernández, C., Charles, P. A., Mas-Hesse, J. M., Gandhi, P., Kimura, M., Domingo, A., Rodriguez, J. and Chenevez, J. (2018) Optical/X-ray correlations during the V404 Cygni June 2015 outburst. Astronomy and Astrophysics, 620, [A110]. (doi:10.1051/0004-6361/201834102).

Johnson, Michael, Gandhi, Poshak, Chapman, Adriane, Moreau, Luc, Charles, Philip, Clarkson, William I. and Hill, Adam (2019) Prospecting for periods with LSST – low-mass X-ray binaries as a test case. Monthly Notices of the Royal Astronomical Society, 484 (1), 19-30. (doi:10.1093/mnras/sty3466).

Zhang, Guo Bao and Charles, Philip (2019) Bright mini-outburst ends the 12 yr long activity of the black hole candidate swift J1753.5-0127. Astrophysical Journal, 876. (doi:10.3847/1538-4357/ab12dd).

Muñoz-Darias, T., Jiménez-Ibarra, F., Panizo-Espinar, G., Casares, J, Sánchez, D. Mata, Ponti, G., Fender, R. P., Buckley, D. A.H., Garnavich, P., Torres, M. A.P., Padilla, M. Armas, Charles, P. A., Corral-Santana, J. M., Kajava, J. J.E., Kotze, E. J., Littlefield, C., Sánchez-Sierras, J., Steeghs, D. and Thomas, J. (2019) Hard-state accretion disk winds from black holes: The revealing case of MAXI J1820+070. Astrophysical Journal Letters, 879 (1), [L4]. (doi:10.3847/2041-8213/ab2768).

Townsend, L.J. and Charles, P.A. (2020) Orbital and superorbital periods in ULX pulsars, disc-fed HMXBs, Be/X-ray binaries, and double-periodic variables. Monthly Notices of the Royal Astronomical Society: Letters, 495 (1), 139-143. (doi:10.1093/mnrasl/slaa078).

Gandhi, P., Rao, A., Charles, P.A., Belczynski, K., Maccarone, T.J., Arur, K. and Corral-Santana, J.M. (2020) A period-dependent spatial scatter of Galactic black hole transients. Monthly Notices of the Royal Astronomical Society: Letters, 496 (1), L22-L27. (doi:10.1093/mnrasl/slaa081).

Beri, Aru, Naik, Sachindra, Singh, K. P., Jaisawal, Gaurava K., Bhattacharyya, Sudip, Charles, Philip, Ho, Wynn C. G., Maitra, Chandreyee, Bhattacharya, Depankar, Dewangan, Gulab C., Middleton, Matthew, Altamirano, Diego, Gandhi, Poshak and Raichur, Harsha (2021) AstroSat observations of the first Galactic ULX pulsar Swift J0243.6+6124. Monthly Notices of the Royal Astronomical Society, 500 (1), 565-575. (doi:10.1093/mnras/staa3254).

Tetarenko, B. E., Shaw, A. W., Manrow, E. R., Charles, P. A., Miller, J. M., Russell, T. D. and Tetarenko, A. J. (2021) Using optical spectroscopy to map the geometry and structure of the irradiated accretion discs in low-mass X-ray binaries: the pilot-study of MAXI J0637$-$430. Monthly Notices of the Royal Astronomical Society, 501 (3), 3406–3420. (doi:10.1093/mnras/staa3861).

Buisson, D. J. K., Altamirano, D., Padilla, M. Armas, Arzoumanian, Z., Bult, P., Segura, N. Castro, Charles, P. A., Degenaar, N., Trigo, M. Díaz, Eijnden, J. van den, Fogantini, F., Gandhi, P., Gendreau, K., Hare, J., Homan, J., Knigge, C., Malacaria, C., Mendez, M., Darias, T. Muñoz, Ng, M., Arabacı, M. Özbey, Remillard, R., Strohmayer, T. E., Tombesi, F., Tomsick, J. A., Vincentelli, F. and Walton, D. J. (2021) Dips and eclipses in the X-ray binary Swift J1858.6-0814 observed with NICER. Monthly Notices of the Royal Astronomical Society, 503 (4), 5600–5610. (doi:10.1093/mnras/stab863).

Thomas, Jessymol K., Charles, Philip, Buckley, David A.H., Paice, John A, Kotze, Marissa M., Lasota, J.P, Potter, Stephen and Steiner, James F. (2021) Large optical modulations during 2018 outburst of MAXI J1820 + 070 reveal evolution of warped accretion disc through X-ray state change. Monthly Notices of the Royal Astronomical Society.

Segura, N. Castro, Knigge, C., Long, K. S., Altamirano, D., Padilla, M. Armas, Bailyn, C., Buckley, D. A. H., Buisson, D. J. K., Casares, J., Charles, P., Combi, J. A., Cúneo, V. A., Degenaar, N. D., Palacio, S. del, Trigo, M. Díaz, Fender, R., Gandhi, P., Georganti, M., Gutiérrez, C., Santisteban, J. V. Hernandez, Jiménez-Ibarra, F., Matthews, J., Méndez, M., Middleton, M., Muñoz-Darias, T., Arabacı, M. Özbey, Pahari, M., Rhodes, L., Russell, T. D., Scaringi, S., Eijnden, J. van den, Vasilopoulos, G., Vincentelli, F. M. and Wiseman, P. (2022) A persistent ultraviolet outflow from an accreting neutron star binary transient. Nature, 603 (7899), 52-57. (doi:10.1038/s41586-021-04324-2).

Gandhi, Poshak, Charles, Philip, Knigge, Christian, Rao, Anjali, Paice, John A, Zhao, Yue, Buckley, D.A.H., Hodgkin, S. and Scaringi, S. (2021) Astrometric excess noise in Gaia EDR3 and the search for X-ray binaries. Monthly Notices of the Royal Astronomical Society, 510 (3), 3885–3895. (doi:10.1093/mnras/stab3771).

Szegedi, Hélène, Charles, Philip A., Meintjes, Pieter J. and Odendaal, Alida (2022) Transient behaviour of three SU UMa-type dwarf novae: AR Pic, QW Ser, and V521 Peg. Monthly Notices of the Royal Astronomical Society, 513 (4), 4682 - 4695. (doi:10.1093/mnras/stac1161).

Dage, Kristen C., Brumback, McKinley, Neilsen, Joey, Altamirano, Diego, Hu, Chin-Ping, Bahramian, Arash, Charles, Philip, Clarkson, William I., Haggard, Daryl, Hickox, Ryan C. and Kennea, Jamie (2022) Monitoring observations of SMC X-1's excursions (MOOSE)-I. Programme description and initial high state spectral results. Monthly Notices of the Royal Astronomical Society, 514 (4), 5457–5464. (doi:10.1093/mnras/stac1674).