Figure 9 from Constraining the Neutron Star Mass–Radius Relation and Dense Matter Equation of State with NICER. I. The Millisecond Pulsar X-Ray Data Set

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Constraining the Neutron Star Mass–Radius Relation and Dense Matter Equation of State with NICER. I. The Millisecond Pulsar X-Ray Data Set

Authors: Slavko Bogdanov, Sebastien Guillot, Paul S. Ray, Michael T. Wolff, Deepto Chakrabarty, Wynn C. G. Ho, Matthew Kerr, Frederick K. Lamb, Andrea Lommen, Renee M. Ludlam, Reilly Milburn, Sergio Montano, M. Coleman Miller, Michi Bauböck, Feryal Özel, Dimitrios Psaltis, Ronald A. Remillard, Thomas E. Riley, James F. Steiner, Tod E. Strohmayer, Anna L. Watts, Kent S. Wood, Jesse Zeldes, Teruaki Enoto, Takashi Okajima, James W. Kellogg, Charles Baker, Craig B. Markwardt, Zaven Arzoumanian, and Keith C. Gendreau

2019 The Astrophysical Journal Letters 887 L25.

Provider: AAS Journals

Caption: Figure 9.

Maps of the S/N of PSRs J0437−4715 (top left), J0030+0451 (top right), J1231−1411 (bottom left), and J2124−3358 (bottom right) as a function of the NICER pointing as a function of the NICER pointing, for t_exp= 10⁶′s (see Equation (3)). The green star indicates the pulsar position, and the red circle shows the calculated optimal pointing position that maximizes the S/N. For PSRs J0437−4715, the pointing offset is 1.′5 from the pulsar to minimize contamination by the active galactic nucleus RX J0437.4−4711, and for PSR J2124−3358 the pointing offset is 1′.

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