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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

Bogdanov, S., Guillot, S., Ray, P. S., Wolff, M. T., Chakrabarty, D., Ho, W. C. G., et al. (2019). Constraining the neutron star mass-radius relation and dense matter equation of state with NICER. I. The millisecond pulsar X-ray data set. The Astrophysical Journal Letters, 887(1): L25. doi:10.3847/2041-8213/ab53eb.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-5125-5 Version Permalink: http://hdl.handle.net/21.11116/0000-0006-5126-4
Genre: Journal Article

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Bogdanov, Slavko, Author
Guillot, Sebastien, Author
Ray, Paul S., Author
Wolff, Michael T., Author
Chakrabarty, Deepto, Author
Ho, Wynn C. G., Author
Kerr, Matthew, Author
Lamb, Frederick K., Author
Lommen, Andrea, Author
Ludlam, Renee M., Author
Milburn, Reilly, Author
Montano, Sergio, Author
Miller, M. Coleman, Author
Bauböck, Michi1, Author              
Özel, Feryal, Author
Psaltis, Dimitrios, Author
Remillard, Ronald A., Author
Riley, Thomas E., Author
Steiner, James F., Author
Strohmayer, Tod E., Author
Watts, Anna L., AuthorWood, Kent S., AuthorZeldes, Jesse, AuthorEnoto, Teruaki, AuthorOkajima, Takashi, AuthorKellogg, James W., AuthorBaker, Charles, AuthorMarkwardt, Craig B., AuthorArzoumanian, Zaven, AuthorGendreau, Keith C., Author more..
Affiliations:
1Infrared and Submillimeter Astronomy, MPI for Extraterrestrial Physics, Max Planck Society, ou_159889              

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 Abstract: We present the set of deep Neutron Star Interior Composition Explorer (NICER) X-ray timing observations of the nearby rotation-powered millisecond pulsars PSRs J0437−4715, J0030+0451, J1231−1411, and J2124−3358, selected as targets for constraining the mass–radius relation of neutron stars and the dense matter equation of state (EoS) via modeling of their pulsed thermal X-ray emission. We describe the instrument, observations, and data processing/reduction procedures, as well as the series of investigations conducted to ensure that the properties of the data sets are suitable for parameter estimation analyses to produce reliable constraints on the neutron star mass–radius relation and the dense matter EoS. We find that the long-term timing and flux behavior and the Fourier-domain properties of the event data do not exhibit any anomalies that could adversely affect the intended measurements. From phase-selected spectroscopy, we find that emission from the individual pulse peaks is well described by a single-temperature hydrogen atmosphere spectrum, with the exception of PSR J0437−4715, for which multiple temperatures are required.

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 Dates: 2019-12-12
 Publication Status: Published online
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 Identifiers: DOI: 10.3847/2041-8213/ab53eb
Other: LOCALID: 3223339
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Title: The Astrophysical Journal Letters
  Other : Astrophys. J. Lett.
Source Genre: Journal
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Publ. Info: Chicago, IL : University of Chicago Press for the American Astronomical Society
Pages: - Volume / Issue: 887 (1) Sequence Number: L25 Start / End Page: - Identifier: ISSN: 2041-8205
CoNE: https://pure.mpg.de/cone/journals/resource/954922828215