21 year timing of the black-widow pulsar J2051-0827
Shaifullah G, Verbiest J, Freire PCC, Tauris TM, Wex N, Oslowski S, Stappers BW, Bassa CG, Caballero RN, Champion DJ, Cognard I, et al. (2016)
Monthly Notices of the Royal Astronomical Society 462(1): 1029-1038.
Zeitschriftenaufsatz
| Veröffentlicht | Englisch
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Autor*in
Shaifullah, GolamUniBi;
Verbiest, JorisUniBi 
;
Freire, P. C. C.;
Tauris, T. M.;
Wex, N.;
Oslowski, StefanUniBi;
Stappers, B. W.;
Bassa, C. G.;
Caballero, R. N.;
Champion, D. J.;
Cognard, I.;
Desvignes, G.
Alle
;
Freire, P. C. C.;
Tauris, T. M.;
Wex, N.;
Oslowski, StefanUniBi;
Stappers, B. W.;
Bassa, C. G.;
Caballero, R. N.;
Champion, D. J.;
Cognard, I.;
Desvignes, G.
Alle
Einrichtung
Abstract / Bemerkung
Timing results for the black-widow pulsar J2051-0827 are presented, using a 21 year data set from four European Pulsar Timing Array telescopes and the Parkes radio telescope. This data set, which is the longest published to date for a black-widow system, allows for an improved analysis that addresses previously unknown biases. While secular variations, as identified in previous analyses, are recovered, short-term variations are detected for the first time. Concurrently, a significant decrease of similar to 2.5 x 10(-3) cm(-3) pc in the dispersion measure associated with PSR J2051-0827 is measured for the first time and improvements are also made to estimates of the proper motion. Finally, PSR J2051-0827 is shown to have entered a relatively stable state suggesting the possibility of its eventual inclusion in pulsar timing arrays.
Stichworte
binaries: close;
binaries: eclipsing;
pulsars: general;
pulsars:;
individual: PSR J2051-0827
Erscheinungsjahr
2016
Zeitschriftentitel
Monthly Notices of the Royal Astronomical Society
Band
462
Ausgabe
1
Seite(n)
1029-1038
ISSN
0035-8711
eISSN
1365-2966
Page URI
https://pub.uni-bielefeld.de/record/2906177
Zitieren
Shaifullah G, Verbiest J, Freire PCC, et al. 21 year timing of the black-widow pulsar J2051-0827. Monthly Notices of the Royal Astronomical Society. 2016;462(1):1029-1038.
Shaifullah, G., Verbiest, J., Freire, P. C. C., Tauris, T. M., Wex, N., Oslowski, S., Stappers, B. W., et al. (2016). 21 year timing of the black-widow pulsar J2051-0827. Monthly Notices of the Royal Astronomical Society, 462(1), 1029-1038. doi:10.1093/mnras/stw1737
Shaifullah, Golam, Verbiest, Joris, Freire, P. C. C., Tauris, T. M., Wex, N., Oslowski, Stefan, Stappers, B. W., et al. 2016. “21 year timing of the black-widow pulsar J2051-0827”. Monthly Notices of the Royal Astronomical Society 462 (1): 1029-1038.
Shaifullah, G., Verbiest, J., Freire, P. C. C., Tauris, T. M., Wex, N., Oslowski, S., Stappers, B. W., Bassa, C. G., Caballero, R. N., Champion, D. J., et al. (2016). 21 year timing of the black-widow pulsar J2051-0827. Monthly Notices of the Royal Astronomical Society 462, 1029-1038.
Shaifullah, G., et al., 2016. 21 year timing of the black-widow pulsar J2051-0827. Monthly Notices of the Royal Astronomical Society, 462(1), p 1029-1038.
G. Shaifullah, et al., “21 year timing of the black-widow pulsar J2051-0827”, Monthly Notices of the Royal Astronomical Society, vol. 462, 2016, pp. 1029-1038.
Shaifullah, G., Verbiest, J., Freire, P.C.C., Tauris, T.M., Wex, N., Oslowski, S., Stappers, B.W., Bassa, C.G., Caballero, R.N., Champion, D.J., Cognard, I., Desvignes, G., Graikou, E., Guillemot, L., Janssen, G.H., Jessner, A., Jordan, C., Karuppusamy, R., Kramer, M., Lazaridis, K., Lazarus, P., Lyne, A.G., Mckee, J.W., Perrodin, D., Possenti, A., Tiburzi, C.: 21 year timing of the black-widow pulsar J2051-0827. Monthly Notices of the Royal Astronomical Society. 462, 1029-1038 (2016).
Shaifullah, Golam, Verbiest, Joris, Freire, P. C. C., Tauris, T. M., Wex, N., Oslowski, Stefan, Stappers, B. W., Bassa, C. G., Caballero, R. N., Champion, D. J., Cognard, I., Desvignes, G., Graikou, E., Guillemot, L., Janssen, G. H., Jessner, A., Jordan, C., Karuppusamy, R., Kramer, M., Lazaridis, K., Lazarus, P., Lyne, A. G., Mckee, J. W., Perrodin, D., Possenti, A., and Tiburzi, Caterina. “21 year timing of the black-widow pulsar J2051-0827”. Monthly Notices of the Royal Astronomical Society 462.1 (2016): 1029-1038.
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