2019ApJ...887L..25B

Query : 2019ApJ...887L..25B

2019ApJ...887L..25B - Astrophys. J., 887, L25-L25 (2019/December-2)

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., KERR M., LAMB F.K., LOMMEN A., LUDLAM R.M., MILBURN R., MONTANO S., MILLER M.C., BAUBOCK M., OZEL F., PSALTIS D., REMILLARD R.A., RILEY T.E., STEINER J.F., STROHMAYER T.E., WATTS A.L., WOOD K.S., ZELDES J., ENOTO T., OKAJIMA T., KELLOGG J.W., BAKER C., MARKWARDT C.B., ARZOUMANIAN Z. and GENDREAU K.C.

Abstract (from CDS):

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.

Abstract Copyright: © 2019. The American Astronomical Society. All rights reserved.

Journal keyword(s): Neutron stars - Pulsars - Compact objects - Nuclear astrophysics - Millisecond pulsars - X-ray astronomy - X-ray observatories - Pulsar timing method - Spectroscopy - Astronomical techniques

Status at CDS : Large table(s) will be appraised for possible ingestion in VizieR. // All or part of tables of objects could be ingested in SIMBAD with priority 2.

Simbad objects: 9

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Number of rows : 9
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 PSR J0030+0451 Psr 00 30 27.42348 +04 51 39.7144           ~ 596 1
2 PSR J0437-47 Psr 04 37 15.7994581776 -47 15 08.544351636           DC 1032 0
3 LEDA 3095692 Sy1 04 37 28.1562436872 -47 11 29.481984132 14.68 16.61 14.95 15.43   ~ 93 0
4 M 1 SNR 05 34 31.8 +22 01 03           ~ 6516 1
5 V* CM Tau Psr 05 34 31.9474694616 +22 00 52.153698024           ~ 5476 0
6 PSR J0740+6620 Psr 07 40 45.799 +66 20 33.60           ~ 395 0
7 PSR J1231-1411 Psr 12 31 11.3069 -14 11 43.628           ~ 139 0
8 PSR J1614-2230 Psr 16 14 36.50974 -22 30 31.5420           ~ 452 1
9 PSR J2124-3358 Psr 21 24 43.834930 -33 58 45.49195           ~ 337 1

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