A dataset provided by the European Space Agency

Proposal ID 1320027
Obs ID 13200270001, 13200270002, 13200270003, 13200270004
Title Long-term evolution of the magnetic field at the polar caps of accreting pulsars
Download Data Associated to the proposal https://isla.esac.esa.int/tap/download/bundle?format=ascii_curl&product_id=prop_id:1320027
DOI https://doi.org/10.57780/esa-s1cmetg
Author Klochkov
Abstract We propose to study the long-term evolution of the CRSF centroid energy in three persistentaccreting pulsars showing a well measurable cyclotron line and for which a considerable record of previousCRSF measurements exists: Her X-1, 1H 1538522, and Cen X-3. Such a long-term CRSF evolution is a newlydiscovered phenomenon which has so far only been observed in Her X-1 with an indication of an evolution alsopresent in 1H 1538522. The variability is most probably related to the evolving configuration of the magneticfield and of the mounds formed by matter accumulated in the polar regions of the accreting neutron star.The proposed measurements of the CRSF energy in 1H 1538522 and Cen X-3 will allow us to verify and toconstrain its long-term trend in these sources. In case of Her X-1, the new measurements will allow us to followthe on-going decay of the CRSF energy and to search for jumps in its behavior. Such jumps are most probablyassociated with catastrophic re-adjustments of the accretion mound back to the unperturbed configuration.
Publications
  • Apsidal motion and absolute parameters of GV Nor and V881 Sco based on mid-resolution spectroscopy and TESS photometry - Surgit, Derya, Zasche, Petr,Hadrava, Petr,Erdem, Ahmet,Engelbrecht, Chris A.,Marang, Fred,Masek, Martin,Stevens, Daniel J. (2023-03-01) http://ui.adsabs.harvard.edu/#abs/2023MNRAS.519.4699S
  • Cyclotron line energy in Hercules X-1: stable after the decay - Staubert, R., Ducci, L.,Ji, L.,Furst, F.,Wilms, J.,Rothschild, R. E.,Pottschmidt, K.,Brumback, M.,Harrison, F. (2020-10-01) http://ui.adsabs.harvard.edu/#abs/2020A&A...642A.196S
  • Diffuse Galactic emission spectrum between 0.5 and 8.0 MeV - Siegert, Thomas, Berteaud, Joanna,Calore, Francesca,Serpico, Pasquale D.,Weinberger, Christoph (2022-04-01) http://ui.adsabs.harvard.edu/#abs/2022A&A...660A.130S
  • Extreme relativistic electron fluxes in the Earths outer radiation belt: Analysis of INTEGRAL IREM data - Meredith, Nigel P., Horne, Richard B.,Sandberg, Ingmar,Papadimitriou, Constantinos,Evans, Hugh D. R. (2017-07-01) http://ui.adsabs.harvard.edu/#abs/2017SpWea..15..917M
  • Gamma-Ray Emission of 60Fe and 26Al Radioactivity in Our Galaxy - Wang, W., Siegert, T.,Dai, Z. G.,Diehl, R.,Greiner, J.,Heger, A.,Krause, M.,Lang, M.,Pleintinger, M. M. M.,Zhang, X. L. (2020-02-01) http://ui.adsabs.harvard.edu/#abs/2020ApJ...889..169W
  • GG Carinae: discovery of orbital-phase-dependent 1.583-day periodicities in the Be supergiant binary - Porter, Augustus, Blundell, Katherine,Podsiadlowski, Philipp,Lee, Steven (2021-06-01) http://ui.adsabs.harvard.edu/#abs/2021MNRAS.503.4802P
  • GG Carinae: orbital parameters and accretion indicators from phase-resolved spectroscopy and photometry - Porter, Augustus, Grant, David,Blundell, Katherine,Lee, Steven (2021-03-01) http://ui.adsabs.harvard.edu/#abs/2021MNRAS.501.5554P
  • INTEGRAL/SPI {$gamma$}-ray line spectroscopy. Response and background characteristics - Diehl, Roland, Siegert, Thomas,Greiner, Jochen,Krause, Martin,Kretschmer, Karsten,Lang, Michael,Pleintinger, Moritz,Strong, Andrew W.,Weinberger, Christoph,Zhang, Xiaoling (2018-03-01) http://ui.adsabs.harvard.edu/#abs/2018A&A...611A..12D
  • Inversion of the decay of the cyclotron line energy in Hercules X-1 - Staubert, R., Klochkov, D.,Furst, F.,Wilms, J.,Rothschild, R. E.,Harrison, F. (2017-10-01) http://ui.adsabs.harvard.edu/#abs/2017A&A...606L..13S
  • Long-term optical and X-ray variability of the Be/X-ray binary H 1145-619: Discovery of an ongoing retrograde density wave - Alfonso-Garzon, J., Fabregat, J.,Reig, P.,Kajava, J. J. E.,Sanchez-Fernandez, C.,Townsend, L. J.,Mas-Hesse, J. M.,Crawford, S. M.,Kretschmar, P.,Coe, M. J. (2017-11-01) http://ui.adsabs.harvard.edu/#abs/2017A&A...607A..52A
  • New hard X-ray sources discovered in the ongoing INTEGRAL Galactic plane survey after 14 yr of observations - Krivonos, Roman A., Tsygankov, Sergey S.,Mereminskiy, Ilya A.,Lutovinov, Alexander A.,Sazonov, Sergey Yu.,Sunyaev, Rashid A. (2017-09-01) http://ui.adsabs.harvard.edu/#abs/2017MNRAS.470..512K
  • New Parallaxes of Galactic Cepheids from Spatially Scanning the Hubble Space Telescope: Implications for the Hubble Constant - Riess, Adam G., Casertano, Stefano,Yuan, Wenlong,Macri, Lucas,Anderson, Jay,MacKenty, John W.,Bowers, J. Bradley,Clubb, Kelsey I.,Filippenko, Alexei V.,Jones, David O.,Tucker, Brad E. (2018-03-01) http://ui.adsabs.harvard.edu/#abs/2018ApJ...855..136R
  • Primordial black hole dark matter in the context of extra dimensions - Friedlander, Avi, Mack, Katherine J.,Schon, Sarah,Song, Ningqiang,Vincent, Aaron C. (2022-05-01) http://ui.adsabs.harvard.edu/#abs/2022PhRvD.105j3508F
  • Prolonged sub-luminous state of the new transitional pulsar candidate CXOU J110926.4-650224 - Coti Zelati, Francesco, Papitto, Alessandro,de Martino, Domitilla,Buckley, David A. H.,Odendaal, Alida,Li, Jian,Russell, Thomas D.,Torres, Diego F.,Mazzola, Simona M.,Bozzo, Enrico,Gromadzki, Mariusz,Campana, Sergio,Rea, Nanda,Ferrigno, Carlo,Migliari, Simone (2019-02-01) http://ui.adsabs.harvard.edu/#abs/2019A&A...622A.211C
  • Study of changes in the pulsation period of 148 Galactic Cepheid variables - Csornyei, G., Szabados, L.,Molnar, L.,Cseh, B.,Egei, N.,Kalup, Cs,Kecskemethy, V.,Konyves-Toth, R.,Sarneczky, K.,Szakats, R. (2022-04-01) http://ui.adsabs.harvard.edu/#abs/2022MNRAS.511.2125C
  • Study of eclipsing binary and multiple systems in OB associations V: MQ Cen in Crux OB1 - Bakis, Volkan, Mikulasek, Zdenek,Janik, Jan,Zejda, Miloslav,Tunc, Efecan,Nitschelm, Christian,Bilir, Selcuk,Liska, Jiri,Bakis, Hicran (2019-09-01) http://ui.adsabs.harvard.edu/#abs/2019Ap&SS.364..162B
  • 26Al gamma rays from the Galaxy with INTEGRAL/SPI - Pleintinger, Moritz M. M., Diehl, Roland,Siegert, Thomas,Greiner, Jochen,Krause, Martin G. H. (2023-04-01) http://ui.adsabs.harvard.edu/#abs/2023A&A...672A..53P
  • The efficiency of nuclear burning during thermonuclear (Type I) bursts as a function of accretion rate - Cavecchi, Y., Galloway, D. K.,Goodwin, A. J.,Johnston, Z.,Heger, A. (2020-12-01) http://ui.adsabs.harvard.edu/#abs/2020MNRAS.499.2148C
  • The Galactic Bulge Diffuse Emission in Broadband X-Rays with NuSTAR - Perez, Kerstin, Krivonos, Roman,Wik, Daniel R. (2019-10-01) http://ui.adsabs.harvard.edu/#abs/2019ApJ...884..153P
Temporal Coverage 2016-01-30T00:25:14Z / 2016-08-21T03:52:11Z
Version 1.0
Mission Description The INTEGRAL (International Gamma-Ray Astrophysics Laboratory) mission, launched by the European Space Agency (ESA) on October 17, 2002, was designed to study high-energy phenomena in the universe. INTEGRAL was operating until february 2025 and it was equipped with three high-energy instruments: the Imager on Board the INTEGRAL Satellite (IBIS), the Spectrometer on INTEGRAL (SPI), and the JEM-X (Joint European Monitor for X-rays). Its Optical Monitoring Camera (OMC) provided optical V-band magnitude measurements, complementing the high-energy observations.
Creator Contact https://www.cosmos.esa.int/web/integral/helpdesk
Date Published 2025-03-25T09:54:38Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Klochkov, 2025, 'Long-term evolution of the magnetic field at the polar caps of accreting pulsars', 1.0, European Space Agency, https://doi.org/10.57780/esa-s1cmetg