Predominant prevalence of Ranavirus in southern Brazil, a region with widespread occurrence of the amphibian chytrid von Ruggeri, J., Pontes, M. R., Ribeiro, L. P., Gendreau, K. L., Sousa, R. L. M., Toledo, L. F.

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A NICER View of PSR J0030+0451: Millisecond Pulsar Parameter Estimation von Riley, T. E., Watts, A. L., Bogdanov, S., Ray, P. S., Ludlam, R. M., Guillot, S., Arzoumanian, Z., Baker, C. L., Bilous, A. V., Chakrabarty, D., Gendreau, K. C., Harding, A. K., Ho, W. C. G., Lattimer, J. M., Morsink, S. M., Strohmayer, T. E.

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The Radius of PSR J0740+6620 from NICER and XMM-Newton Data von Miller, M. C., Lamb, F. K., Dittmann, A. J., Bogdanov, S., Arzoumanian, Z., Gendreau, K. C., Guillot, S., Ho, W. C. G., Lattimer, J. M., Loewenstein, M., Morsink, S. M., Ray, P. S., Wolff, M. T., Baker, C. L., Cazeau, T., Manthripragada, S., Markwardt, C. B., Okajima, T., Pollard, S., Cognard, I., Cromartie, H. T., Fonseca, E., Guillemot, L., Kerr, M., Parthasarathy, A., Pennucci, T. T., Ransom, S., Stairs, I.

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A NICER View of PSR J0030+0451: Implications for the Dense Matter Equation of State von Raaijmakers, G., Riley, T. E., Watts, A. L., Greif, S. K., Morsink, S. M., Hebeler, K., Schwenk, A., Hinderer, T., Nissanke, S., Guillot, S., Arzoumanian, Z., Bogdanov, S., Chakrabarty, D., Gendreau, K. C., Ho, W. C. G., Lattimer, J. M., Ludlam, R. M., Wolff, M. T.

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The Corona Contracts in a Black-Hole Transient von Kara, E., Steiner, J. F., Fabian, A C, Cackett, E M, Uttley, P, Remillard, R A, Gendreau, K C, Arzoumanian, Z, Altamirano, D, Eikenberry, S, Enoto, T, Homan, J, Nielsen, J, Stevens, A L

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A NICER View of PSR J0030+0451: Evidence for a Global-scale Multipolar Magnetic Field von Bilous, A. V., Watts, A. L., Harding, A. K., Riley, T. E., Arzoumanian, Z., Bogdanov, S., Gendreau, K. C., Ray, P. S., Guillot, S., Ho, W. C. G., Chakrabarty, D.

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An Empirical Background Model for the NICER X-Ray Timing Instrument von Remillard, Ronald A., Loewenstein, Michael, Steiner, James F., Prigozhin, Gregory Y., LaMarr, Beverly, Enoto, Teruaki, Gendreau, Keith C., Arzoumanian, Zaven, Markwardt, Craig, Basak, Arkadip, Stevens, Abigail L., Ray, Paul S., Altamirano, Diego, Buisson, Douglas J. K.

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A NICER View of the Massive Pulsar PSR J0740+6620 Informed by Radio Timing and XMM-Newton Spectroscopy von Riley, Thomas E., Watts, Anna L., Ray, Paul S., Bogdanov, Slavko, Guillot, Sebastien, Morsink, Sharon M., Bilous, Anna V., Arzoumanian, Zaven, Choudhury, Devarshi, Deneva, Julia S., Gendreau, Keith C., Harding, Alice K., Ho, Wynn C. G., Lattimer, James M., Loewenstein, Michael, Ludlam, Renee M., Markwardt, Craig B., Okajima, Takashi, Prescod-Weinstein, Chanda, Remillard, Ronald A., Wolff, Michael T., Fonseca, Emmanuel, Cromartie, H. Thankful, Kerr, Matthew, Pennucci, Timothy T., Parthasarathy, Aditya, Ransom, Scott, Stairs, Ingrid, Guillemot, Lucas, Cognard, Ismael

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The 2019 super-Eddington outburst of RX J0209.6−7427: detection of pulsations and constraints on the magnetic field strength von Vasilopoulos, G, Ray, P S, Gendreau, K C, Jenke, P A, Jaisawal, G K, Wilson-Hodge, C A, Strohmayer, T E, Altamirano, D, Iwakiri, W B, Wolff, M T, Guillot, S, Malacaria, C, Stevens, A L

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The Destruction and Recreation of the X-Ray Corona in a Changing-look Active Galactic Nucleus von Ricci, C., Kara, E., Loewenstein, M., Trakhtenbrot, B., Arcavi, I., Remillard, R., Fabian, A. C., Gendreau, K. C., Arzoumanian, Z., Li, R., Ho, L. C., MacLeod, C. L., Cackett, E., Altamirano, D., Gandhi, P., Kosec, P., Pasham, D., Steiner, J., Chan, C.-H.

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NICER and Fermi GBM Observations of the First Galactic Ultraluminous X-Ray Pulsar Swift J0243.6+6124 von Wilson-Hodge, Colleen A., Malacaria, Christian, Jenke, Peter A., Jaisawal, Gaurava K., Kerr, Matthew, Wolff, Michael T., Arzoumanian, Zaven, Chakrabarty, Deepto, Doty, John P., Gendreau, Keith C., Guillot, Sebastien, Ho, Wynn C. G., LaMarr, Beverly, Markwardt, Craig B., Özel, Feryal, Prigozhin, Gregory Y., Ray, Paul S., Ramos-Lerate, Mercedes, Remillard, Ronald A., Strohmayer, Tod E., Vezie, Michael L., Wood, Kent S.

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NICER Discovers mHz Oscillations in the "Clocked" Burster GS 1826−238 von Strohmayer, T. E., Gendreau, K. C., Altamirano, D., Arzoumanian, Z., Bult, P. M., Chakrabarty, D., Chenevez, J., Guillot, S., Guver, T., Homan, J., Jaisawal, G. K., Keek, L., Mahmoodifar, S., Miller, J. M., Ozel, F.

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NICER X-Ray Observations of Seven Nearby Rotation-powered Millisecond Pulsars von Guillot, Sebastien, Kerr, Matthew, Ray, Paul S., Bogdanov, Slavko, Ransom, Scott, Deneva, Julia S., Arzoumanian, Zaven, Bult, Peter, Chakrabarty, Deepto, Gendreau, Keith C., Ho, Wynn C. G., Jaisawal, Gaurava K., Malacaria, Christian, Miller, M. Coleman, Strohmayer, Tod E., Wolff, Michael T., Wood, Kent S., Webb, Natalie A., Guillemot, Lucas, Cognard, Ismael, Theureau, Gilles

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Constraining the Neutron Star Mass-Radius Relation and Dense Matter Equation of State with NICER. II. Emission from Hot Spots on a Rapidly Rotating Neutron Star von Bogdanov, Slavko, Lamb, Frederick K., Mahmoodifar, Simin, Miller, M. Coleman, Morsink, Sharon M., Riley, Thomas E., Strohmayer, Tod E., Tung, Albert K., Watts, Anna L., Dittmann, Alexander J., Chakrabarty, Deepto, Guillot, Sebastien, Arzoumanian, Zaven, Gendreau, Keith C.

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NICER Discovers the Ultracompact Orbit of the Accreting Millisecond Pulsar IGR J17062-6143 von Strohmayer, T. E., Arzoumanian, Z., Bogdanov, S., Bult, P. M., Chakrabarty, D., Enoto, T., Gendreau, K. C., Guillot, S., Harding, A. K., Ho, W. C. G., Homan, J., Jaisawal, G. K., Keek, L., Kerr, M., Mahmoodifar, S., Markwardt, C. B., Ransom, S. M., Ray, P. S., Remillard, R., Wolff, M. T.

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NICER Detection of Strong Photospheric Expansion during a Thermonuclear X-Ray Burst from 4U 1820-30 von Keek, L., Arzoumanian, Z., Chakrabarty, D., Chenevez, J., Gendreau, K. C., Guillot, S., Güver, T., Homan, J., Jaisawal, G. K., LaMarr, B., Lamb, F. K., Mahmoodifar, S., Markwardt, C. B., Okajima, T., Strohmayer, T. E., in 't Zand, J. J. M.

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The 450 Day X-Ray Monitoring of the Changing-look AGN 1ES 1927+654 von Ricci, C., Loewenstein, M., Kara, E., Remillard, R., Trakhtenbrot, B., Arcavi, I., Gendreau, K. C., Arzoumanian, Z., Fabian, A. C., Li, R., Ho, L. C., MacLeod, C. L., Cackett, E., Altamirano, D., Gandhi, P., Kosec, P., Pasham, D., Steiner, J., Chan, C.-H.

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Detection of Reflection Features in the Neutron Star Low-mass X-Ray Binary Serpens X-1 with NICER von Ludlam, R. M., Miller, J. M., Arzoumanian, Z., Bult, P. M., Cackett, E. M., Chakrabarty, D., Dauser, T., Enoto, T., Fabian, A. C., García, J. A., Gendreau, K. C., Guillot, S., Homan, J., Jaisawal, G. K., Keek, L., Marr, B. La, Malacaria, C., Markwardt, C. B., Steiner, J. F., Strohmayer, T. E.

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A NICER Discovery of a Low-frequency Quasi-periodic Oscillation in the Soft-intermediate State of MAXI J1535-571 von Stevens, A. L., Uttley, P., Altamirano, D., Arzoumanian, Z., Bult, P., Cackett, E. M., Fabian, A. C., Gendreau, K. C., Ha, K. Q., Homan, J., Ingram, A. R., Kara, E., Kellogg, J., Ludlam, R. M., Miller, J. M., Neilsen, J., Pasham, D. R., Remillard, R. A., Steiner, J. F., Eijnden, J. van den

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An Evolving Broad Iron Line from the First Galactic Ultraluminous X-Ray Pulsar Swift J0243.6+6124 von Jaisawal, Gaurava K., Wilson-Hodge, Colleen A., Fabian, Andrew C., Naik, Sachindra, Chakrabarty, Deepto, Kretschmar, Peter, Ballantyne, David R., Ludlam, Renee M., Chenevez, Jérôme, Altamirano, Diego, Arzoumanian, Zaven, Fürst, Felix, Gendreau, Keith C., Guillot, Sebastien, Malacaria, Christian, Miller, Jon M., Stevens, Abigail L., Wolff, Michael T.

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