Standard
Complex variations in X-ray polarization in the X-ray pulsar LS V +44 17/RX J0440.9+4431. / Doroshenko, V.; Poutanen, J.; Heyl, J.; Tsygankov, S. S.; Berdyugin, A. V.; Caiazzo, I.; Forsblom, S. V.; Gonzalez-caniulef, D.; Kravtsov, V.; Loktev, V. V.; Lutovinov, A. A.; Malacaria, C.; Mushtukov, Alexander; Mereminskiy, I. A.; Molkov, S. V.; Suleimanov, Valery F. ; Salganik, Alexander ; Santangelo, Andrea ; Berdyugin, Andrei V. ; Kravtsov, Vadim ; Nitindala, Anagha P. ; Agudo, Ivin ; Antonelli, Lucio A. ; Bachetti, Matteo ; Baldini, Luca ; Baumgartner, Wayne H. ; Bellazzini, Ronaldo ; Bianchi, Stefano ; Bongiomo, Stephen D. ; Bonino, Raffaella ; Brcz, Alessandro ; Bucciantini, Niccold ; Capitanio, Fiamma ; Castellano, Simone ; Cavazzuti, Elisabctta ; Chen, Chien-Ting ; Ciprini, Stefano ; Costa, Enrico ; De Rosa, Alessandra ; Del Monte, Ettore ; Di Gesu, Laura ; Di Lalla, Niccold ; Di Marco, Alessandro ; Donnarumma, linmacolata ; Dovciak, Michal ; Ehlert, Steven R. ; Enoto, Teruaki ; Evangelista, Yuri ; Fabiani, Sergio ; Ferrazzoli, Riccardo ; Garcia, Javier A. ; Gunji, Shuichi ; Hayashida, Kiyoshi ; Iwakiri, Wataru ; Jorstad, Svetlana G. ; Kaarct, Philip ; Karas, Vladimir ; Kislat, Fabian ; Kitaguchi, Takao ; Kolodziejczak, Jeffery J. ; Krawczynski, Henric ; La Monaca, Fabio ; Latronico, Luca ; Liodakis, loannis ; Maldera, Simone ; Manfreda, Alberto ; Marin, Frederic ; Marinucci, Andrea ; Marscher, Alan P. ; Marshall, Herman L. ; Massaro, Francesco ; Matt, Giorgio ; Mitsuishi, Ikuyuki ; Mizuno, Tsuncfumi ; Mulcri, Fabio ; a Negro, Michel ; Ng, Chi-Yung ; O’Dell, Stephen L. ; Omodei, Nicola ; Oppcdisano, Chiara ; Papitto, Alessandro ; Pavlov, George G. ; Peirson, Abel L. ; Perri, Matteo ; Pesce-Rollins, Melissa ; Petrucci, Pierre-Olivier ; Pilia, Maura ; Possenti, Andrea ; Puccetti, Simonetta ; Ramsey, Brian D. ; Rankin, John ; Ratheesh, Ajay ; Roberts, Oliver J. ; Romani, Roger W. ; Sgrd, Carmelo ; Slane, Patrick ; Soffitta, Paolo ; Spandre, Gloria ; Swartz, Douglas A. ; Tamagawa, Toru ; Tavecchio, Fabrizio ; Tavema, Roberto ; Tawara, Yuzuru ; Tennant, Allyn F. ; Thomas, Nicholas E. ; Tombesi, Francesco ; Trois, Alessio ; Vink, Jacco ; Wu, Kinwah ; Xie, Fei ; Zane, Silvia .
In:
ASTRONOMY & ASTROPHYSICS, Vol. 677, 01.09.2023, p. A57.
Research output: Contribution to journal › Article › peer-review
Harvard
Doroshenko, V, Poutanen, J, Heyl, J, Tsygankov, SS, Berdyugin, AV, Caiazzo, I, Forsblom, SV, Gonzalez-caniulef, D
, Kravtsov, V, Loktev, VV, Lutovinov, AA, Malacaria, C, Mushtukov, A, Mereminskiy, IA, Molkov, SV, Suleimanov, VF
, Salganik, A, Santangelo, A, Berdyugin, AV, Kravtsov, V, Nitindala, AP, Agudo, I, Antonelli, LA, Bachetti, M, Baldini, L, Baumgartner, WH, Bellazzini, R, Bianchi, S, Bongiomo, SD, Bonino, R, Brcz, A, Bucciantini, N, Capitanio, F, Castellano, S, Cavazzuti, E, Chen, C-T, Ciprini, S, Costa, E, De Rosa, A, Del Monte, E, Di Gesu, L, Di Lalla, N, Di Marco, A, Donnarumma, L, Dovciak, M, Ehlert, SR, Enoto, T, Evangelista, Y, Fabiani, S, Ferrazzoli, R, Garcia, JA, Gunji, S, Hayashida, K, Iwakiri, W
, Jorstad, SG, Kaarct, P, Karas, V, Kislat, F, Kitaguchi, T, Kolodziejczak, JJ, Krawczynski, H, La Monaca, F, Latronico, L, Liodakis, L, Maldera, S, Manfreda, A, Marin, F, Marinucci, A, Marscher, AP, Marshall, HL, Massaro, F, Matt, G, Mitsuishi, I, Mizuno, T, Mulcri, F, a Negro, M, Ng, C-Y, O’Dell, SL, Omodei, N, Oppcdisano, C, Papitto, A, Pavlov, GG, Peirson, AL, Perri, M, Pesce-Rollins, M, Petrucci, P-O, Pilia, M, Possenti, A, Puccetti, S, Ramsey, BD, Rankin, J, Ratheesh, A, Roberts, OJ, Romani, RW, Sgrd, C, Slane, P, Soffitta, P, Spandre, G, Swartz, DA, Tamagawa, T, Tavecchio, F, Tavema, R, Tawara, Y, Tennant, AF, Thomas, NE, Tombesi, F, Trois, A, Vink, J, Wu, K, Xie, F & Zane, S 2023, '
Complex variations in X-ray polarization in the X-ray pulsar LS V +44 17/RX J0440.9+4431',
ASTRONOMY & ASTROPHYSICS, vol. 677, pp. A57.
https://doi.org/10.1051/0004-6361/202347088,
https://doi.org/10.1051/0004-6361/202347088APA
Doroshenko, V., Poutanen, J., Heyl, J., Tsygankov, S. S., Berdyugin, A. V., Caiazzo, I., Forsblom, S. V., Gonzalez-caniulef, D.
, Kravtsov, V., Loktev, V. V., Lutovinov, A. A., Malacaria, C., Mushtukov, A., Mereminskiy, I. A., Molkov, S. V., Suleimanov, V. F.
, Salganik, A., Santangelo, A., Berdyugin, A. V., ... Zane, S. (2023).
Complex variations in X-ray polarization in the X-ray pulsar LS V +44 17/RX J0440.9+4431.
ASTRONOMY & ASTROPHYSICS,
677, A57.
https://doi.org/10.1051/0004-6361/202347088,
https://doi.org/10.1051/0004-6361/202347088Vancouver
Author
Doroshenko, V. ; Poutanen, J. ; Heyl, J. ; Tsygankov, S. S. ; Berdyugin, A. V. ; Caiazzo, I. ; Forsblom, S. V. ; Gonzalez-caniulef, D.
; Kravtsov, V. ; Loktev, V. V. ; Lutovinov, A. A. ; Malacaria, C. ; Mushtukov, Alexander ; Mereminskiy, I. A. ; Molkov, S. V. ; Suleimanov, Valery F.
; Salganik, Alexander ; Santangelo, Andrea ; Berdyugin, Andrei V. ; Kravtsov, Vadim ; Nitindala, Anagha P. ; Agudo, Ivin ; Antonelli, Lucio A. ; Bachetti, Matteo ; Baldini, Luca ; Baumgartner, Wayne H. ; Bellazzini, Ronaldo ; Bianchi, Stefano ; Bongiomo, Stephen D. ; Bonino, Raffaella ; Brcz, Alessandro ; Bucciantini, Niccold ; Capitanio, Fiamma ; Castellano, Simone ; Cavazzuti, Elisabctta ; Chen, Chien-Ting ; Ciprini, Stefano ; Costa, Enrico ; De Rosa, Alessandra ; Del Monte, Ettore ; Di Gesu, Laura ; Di Lalla, Niccold ; Di Marco, Alessandro ; Donnarumma, linmacolata ; Dovciak, Michal ; Ehlert, Steven R. ; Enoto, Teruaki ; Evangelista, Yuri ; Fabiani, Sergio ; Ferrazzoli, Riccardo ; Garcia, Javier A. ; Gunji, Shuichi ; Hayashida, Kiyoshi ; Iwakiri, Wataru
; Jorstad, Svetlana G. ; Kaarct, Philip ; Karas, Vladimir ; Kislat, Fabian ; Kitaguchi, Takao ; Kolodziejczak, Jeffery J. ; Krawczynski, Henric ; La Monaca, Fabio ; Latronico, Luca ; Liodakis, loannis ; Maldera, Simone ; Manfreda, Alberto ; Marin, Frederic ; Marinucci, Andrea ; Marscher, Alan P. ; Marshall, Herman L. ; Massaro, Francesco ; Matt, Giorgio ; Mitsuishi, Ikuyuki ; Mizuno, Tsuncfumi ; Mulcri, Fabio ; a Negro, Michel ; Ng, Chi-Yung ; O’Dell, Stephen L. ; Omodei, Nicola ; Oppcdisano, Chiara ; Papitto, Alessandro ; Pavlov, George G. ; Peirson, Abel L. ; Perri, Matteo ; Pesce-Rollins, Melissa ; Petrucci, Pierre-Olivier ; Pilia, Maura ; Possenti, Andrea ; Puccetti, Simonetta ; Ramsey, Brian D. ; Rankin, John ; Ratheesh, Ajay ; Roberts, Oliver J. ; Romani, Roger W. ; Sgrd, Carmelo ; Slane, Patrick ; Soffitta, Paolo ; Spandre, Gloria ; Swartz, Douglas A. ; Tamagawa, Toru ; Tavecchio, Fabrizio ; Tavema, Roberto ; Tawara, Yuzuru ; Tennant, Allyn F. ; Thomas, Nicholas E. ; Tombesi, Francesco ; Trois, Alessio ; Vink, Jacco ; Wu, Kinwah ; Xie, Fei ; Zane, Silvia . /
Complex variations in X-ray polarization in the X-ray pulsar LS V +44 17/RX J0440.9+4431. In:
ASTRONOMY & ASTROPHYSICS. 2023 ; Vol. 677. pp. A57.
BibTeX
@article{eea117fd40d14bfb81b66cb871a252c5,
title = "Complex variations in X-ray polarization in the X-ray pulsar LS V +44 17/RX J0440.9+4431",
abstract = "We report on \ixpe observations of the Be-transient X-ray pulsar LS V +44 17/RX J0440.9+4431 at two luminosity levels during the giant outburst in January--February 2023. Considering the observed spectral variability and changes in the pulse profiles, the source was likely caught in super- and sub-critical states with significantly different emission region geometry, associated with the presence of accretion columns and hot spots, respectively. We focus here on the pulse-phase resolved polarimetric analysis and find that the observed dependencies of the polarization degree and polarization angle (PA) on pulse phase are indeed drastically different for the two observations. The observed differences, if interpreted within the framework of the rotating vector model (RVM), imply dramatic variations of the spin axis inclination and the position angle and the magnetic colatitude by tens of degrees within just a few days separating the observations. We suggest that the apparent changes in the observed PA phase dependence are predominantly related to the presence of a polarized unpulsed component in addition to the polarized radiation associated with the pulsar itself. We show that the observed PA phase dependence in both observations can then be explained with a single set of RVM parameters defining the pulsar's geometry. We also suggest that the additional polarized component is likely produced by scattering of the pulsar radiation off the equatorial disk wind.",
author = "V. Doroshenko and J. Poutanen and J. Heyl and Tsygankov, {S. S.} and Berdyugin, {A. V.} and I. Caiazzo and Forsblom, {S. V.} and D. Gonzalez-caniulef and V. Kravtsov and Loktev, {V. V.} and Lutovinov, {A. A.} and C. Malacaria and Alexander Mushtukov and Mereminskiy, {I. A.} and Molkov, {S. V.} and Suleimanov, {Valery F.} and Alexander Salganik and Andrea Santangelo and Berdyugin, {Andrei V.} and Vadim Kravtsov and Nitindala, {Anagha P.} and Ivin Agudo and Antonelli, {Lucio A.} and Matteo Bachetti and Luca Baldini and Baumgartner, {Wayne H.} and Ronaldo Bellazzini and Stefano Bianchi and Bongiomo, {Stephen D.} and Raffaella Bonino and Alessandro Brcz and Niccold Bucciantini and Fiamma Capitanio and Simone Castellano and Elisabctta Cavazzuti and Chien-Ting Chen and Stefano Ciprini and Enrico Costa and {De Rosa}, Alessandra and {Del Monte}, Ettore and {Di Gesu}, Laura and {Di Lalla}, Niccold and {Di Marco}, Alessandro and linmacolata Donnarumma and Michal Dovciak and Ehlert, {Steven R.} and Teruaki Enoto and Yuri Evangelista and Sergio Fabiani and Riccardo Ferrazzoli and Garcia, {Javier A.} and Shuichi Gunji and Kiyoshi Hayashida and Wataru Iwakiri and Jorstad, {Svetlana G.} and Philip Kaarct and Vladimir Karas and Fabian Kislat and Takao Kitaguchi and Kolodziejczak, {Jeffery J.} and Henric Krawczynski and {La Monaca}, Fabio and Luca Latronico and loannis Liodakis and Simone Maldera and Alberto Manfreda and Frederic Marin and Andrea Marinucci and Marscher, {Alan P.} and Marshall, {Herman L.} and Francesco Massaro and Giorgio Matt and Ikuyuki Mitsuishi and Tsuncfumi Mizuno and Fabio Mulcri and {a Negro}, Michel and Chi-Yung Ng and O{\textquoteright}Dell, {Stephen L.} and Nicola Omodei and Chiara Oppcdisano and Alessandro Papitto and Pavlov, {George G.} and Peirson, {Abel L.} and Matteo Perri and Melissa Pesce-Rollins and Pierre-Olivier Petrucci and Maura Pilia and Andrea Possenti and Simonetta Puccetti and Ramsey, {Brian D.} and John Rankin and Ajay Ratheesh and Roberts, {Oliver J.} and Romani, {Roger W.} and Carmelo Sgrd and Patrick Slane and Paolo Soffitta and Gloria Spandre and Swartz, {Douglas A.} and Toru Tamagawa and Fabrizio Tavecchio and Roberto Tavema and Yuzuru Tawara and Tennant, {Allyn F.} and Thomas, {Nicholas E.} and Francesco Tombesi and Alessio Trois and Jacco Vink and Kinwah Wu and Fei Xie and Silvia Zane",
year = "2023",
month = sep,
day = "1",
doi = "10.1051/0004-6361/202347088",
language = "English",
volume = "677",
pages = "A57",
journal = "ASTRONOMY & ASTROPHYSICS",
issn = "0004-6361",
publisher = "EDP Sciences",
}
RIS
TY - JOUR
T1 - Complex variations in X-ray polarization in the X-ray pulsar LS V +44 17/RX J0440.9+4431
AU - Doroshenko, V.
AU - Poutanen, J.
AU - Heyl, J.
AU - Tsygankov, S. S.
AU - Berdyugin, A. V.
AU - Caiazzo, I.
AU - Forsblom, S. V.
AU - Gonzalez-caniulef, D.
AU - Kravtsov, V.
AU - Loktev, V. V.
AU - Lutovinov, A. A.
AU - Malacaria, C.
AU - Mushtukov, Alexander
AU - Mereminskiy, I. A.
AU - Molkov, S. V.
AU - Suleimanov, Valery F.
AU - Salganik, Alexander
AU - Santangelo, Andrea
AU - Berdyugin, Andrei V.
AU - Kravtsov, Vadim
AU - Nitindala, Anagha P.
AU - Agudo, Ivin
AU - Antonelli, Lucio A.
AU - Bachetti, Matteo
AU - Baldini, Luca
AU - Baumgartner, Wayne H.
AU - Bellazzini, Ronaldo
AU - Bianchi, Stefano
AU - Bongiomo, Stephen D.
AU - Bonino, Raffaella
AU - Brcz, Alessandro
AU - Bucciantini, Niccold
AU - Capitanio, Fiamma
AU - Castellano, Simone
AU - Cavazzuti, Elisabctta
AU - Chen, Chien-Ting
AU - Ciprini, Stefano
AU - Costa, Enrico
AU - De Rosa, Alessandra
AU - Del Monte, Ettore
AU - Di Gesu, Laura
AU - Di Lalla, Niccold
AU - Di Marco, Alessandro
AU - Donnarumma, linmacolata
AU - Dovciak, Michal
AU - Ehlert, Steven R.
AU - Enoto, Teruaki
AU - Evangelista, Yuri
AU - Fabiani, Sergio
AU - Ferrazzoli, Riccardo
AU - Garcia, Javier A.
AU - Gunji, Shuichi
AU - Hayashida, Kiyoshi
AU - Iwakiri, Wataru
AU - Jorstad, Svetlana G.
AU - Kaarct, Philip
AU - Karas, Vladimir
AU - Kislat, Fabian
AU - Kitaguchi, Takao
AU - Kolodziejczak, Jeffery J.
AU - Krawczynski, Henric
AU - La Monaca, Fabio
AU - Latronico, Luca
AU - Liodakis, loannis
AU - Maldera, Simone
AU - Manfreda, Alberto
AU - Marin, Frederic
AU - Marinucci, Andrea
AU - Marscher, Alan P.
AU - Marshall, Herman L.
AU - Massaro, Francesco
AU - Matt, Giorgio
AU - Mitsuishi, Ikuyuki
AU - Mizuno, Tsuncfumi
AU - Mulcri, Fabio
AU - a Negro, Michel
AU - Ng, Chi-Yung
AU - O’Dell, Stephen L.
AU - Omodei, Nicola
AU - Oppcdisano, Chiara
AU - Papitto, Alessandro
AU - Pavlov, George G.
AU - Peirson, Abel L.
AU - Perri, Matteo
AU - Pesce-Rollins, Melissa
AU - Petrucci, Pierre-Olivier
AU - Pilia, Maura
AU - Possenti, Andrea
AU - Puccetti, Simonetta
AU - Ramsey, Brian D.
AU - Rankin, John
AU - Ratheesh, Ajay
AU - Roberts, Oliver J.
AU - Romani, Roger W.
AU - Sgrd, Carmelo
AU - Slane, Patrick
AU - Soffitta, Paolo
AU - Spandre, Gloria
AU - Swartz, Douglas A.
AU - Tamagawa, Toru
AU - Tavecchio, Fabrizio
AU - Tavema, Roberto
AU - Tawara, Yuzuru
AU - Tennant, Allyn F.
AU - Thomas, Nicholas E.
AU - Tombesi, Francesco
AU - Trois, Alessio
AU - Vink, Jacco
AU - Wu, Kinwah
AU - Xie, Fei
AU - Zane, Silvia
PY - 2023/9/1
Y1 - 2023/9/1
N2 - We report on \ixpe observations of the Be-transient X-ray pulsar LS V +44 17/RX J0440.9+4431 at two luminosity levels during the giant outburst in January--February 2023. Considering the observed spectral variability and changes in the pulse profiles, the source was likely caught in super- and sub-critical states with significantly different emission region geometry, associated with the presence of accretion columns and hot spots, respectively. We focus here on the pulse-phase resolved polarimetric analysis and find that the observed dependencies of the polarization degree and polarization angle (PA) on pulse phase are indeed drastically different for the two observations. The observed differences, if interpreted within the framework of the rotating vector model (RVM), imply dramatic variations of the spin axis inclination and the position angle and the magnetic colatitude by tens of degrees within just a few days separating the observations. We suggest that the apparent changes in the observed PA phase dependence are predominantly related to the presence of a polarized unpulsed component in addition to the polarized radiation associated with the pulsar itself. We show that the observed PA phase dependence in both observations can then be explained with a single set of RVM parameters defining the pulsar's geometry. We also suggest that the additional polarized component is likely produced by scattering of the pulsar radiation off the equatorial disk wind.
AB - We report on \ixpe observations of the Be-transient X-ray pulsar LS V +44 17/RX J0440.9+4431 at two luminosity levels during the giant outburst in January--February 2023. Considering the observed spectral variability and changes in the pulse profiles, the source was likely caught in super- and sub-critical states with significantly different emission region geometry, associated with the presence of accretion columns and hot spots, respectively. We focus here on the pulse-phase resolved polarimetric analysis and find that the observed dependencies of the polarization degree and polarization angle (PA) on pulse phase are indeed drastically different for the two observations. The observed differences, if interpreted within the framework of the rotating vector model (RVM), imply dramatic variations of the spin axis inclination and the position angle and the magnetic colatitude by tens of degrees within just a few days separating the observations. We suggest that the apparent changes in the observed PA phase dependence are predominantly related to the presence of a polarized unpulsed component in addition to the polarized radiation associated with the pulsar itself. We show that the observed PA phase dependence in both observations can then be explained with a single set of RVM parameters defining the pulsar's geometry. We also suggest that the additional polarized component is likely produced by scattering of the pulsar radiation off the equatorial disk wind.
UR - http://arxiv.org/abs/2306.02116
UR - https://www.mendeley.com/catalogue/c5b469db-f503-32f2-b380-42225aea287c/
U2 - 10.1051/0004-6361/202347088
DO - 10.1051/0004-6361/202347088
M3 - Article
VL - 677
SP - A57
JO - ASTRONOMY & ASTROPHYSICS
JF - ASTRONOMY & ASTROPHYSICS
SN - 0004-6361
ER -
