Standard
IXPE Observations of the Quintessential Wind-accreting X-Ray Pulsar Vela X-1. / Forsblom, Sofia V.; Poutanen, Juri; Tsygankov, Sergey S.; Bachetti, Matteo; Marco, Alessandro Di; Doroshenko, Victor; Heyl, Jeremy; Monaca, Fabio La; Malacaria, Christian; Marshall, Herman L.; Muleri, Fabio; Mushtukov, Alexander A.; Pilia, Maura; Rogantini, Daniele; Suleimanov, Valery F.; Taverna, Roberto; Xie, Fei; Agudo, Iván; Antonelli, Lucio A.; Baldini, Luca; Baumgartner, Wayne H.; Bellazzini, Ronaldo; Bianchi, Stefano; Bongiorno, Stephen D.; Bonino, Raffaella; Brez, Alessandro; Bucciantini, Niccolò; Capitanio, Fiamma; Castellano, Simone; Cavazzuti, Elisabetta; Chen, Chien-ting; Ciprini, Stefano; Costa, Enrico; De Rosa, Alessandra; Del Monte, Ettore; Di Gesu, Laura; Di Lalla, Niccolò; Donnarumma, Immacolata; Dovčiak, Michal; Ehlert, Steven R.; Enoto, Teruaki; Evangelista, Yuri; Fabiani, Sergio; Ferrazzoli, Riccardo; Garcia, Javier A.; Gunji, Shuichi; Hayashida, Kiyoshi; Iwakiri, Wataru; Jorstad, Svetlana G.; Kaaret, Philip; Karas, Vladimir; Kitaguchi, Takao; Kolodziejczak, Jeffery J.; Krawczynski, Henric; Latronico, Luca; Liodakis, Ioannis; Maldera, Simone; Manfreda, Alberto; Marin, Frédéric; Marinucci, Andrea; Marscher, Alan P.; Matt, Giorgio; Mitsuishi, Ikuyuki; Mizuno, Tsunefumi; Negro, Michela; Ng, Chi-yung; O’dell, Stephen L.; Omodei, Nicola; Oppedisano, Chiara; Papitto, Alessandro; Pavlov, George G.; Peirson, Abel L.; Perri, Matteo; Pesce-rollins, Melissa; Petrucci, Pierre-olivier; Possenti, Andrea; Puccetti, Simonetta; Ramsey, Brian D.; Rankin, John; Ratheesh, Ajay; Roberts, Oliver J.; Romani, Roger W.; Sgrò, Carmelo; Slane, Patrick; Soffitta, Paolo; Spandre, Gloria; Sunyaev, Rashid A.; Swartz, Douglas A.; Tamagawa, Toru; Tavecchio, Fabrizio; Tawara, Yuzuru; Tennant, Allyn F.; Thomas, Nicholas E.; Tombesi, Francesco; Trois, Alessio; Turolla, Roberto; Vink, Jacco; Weisskopf, Martin C.; Wu, Kinwah; Zane, Silvia.
In:
Astrophysical Journal Letters, Vol. 947, No. 2, L20, 01.04.2023.
Research output: Contribution to journal › Article › peer-review
Harvard
Forsblom, SV, Poutanen, J, Tsygankov, SS, Bachetti, M, Marco, AD, Doroshenko, V, Heyl, J, Monaca, FL, Malacaria, C, Marshall, HL, Muleri, F, Mushtukov, AA, Pilia, M, Rogantini, D, Suleimanov, VF, Taverna, R, Xie, F, Agudo, I, Antonelli, LA, Baldini, L, Baumgartner, WH, Bellazzini, R, Bianchi, S, Bongiorno, SD, Bonino, R, Brez, A, Bucciantini, N, Capitanio, F, Castellano, S, Cavazzuti, E, Chen, C, Ciprini, S, Costa, E, De Rosa, A, Del Monte, E, Di Gesu, L, Di Lalla, N, Donnarumma, I, Dovčiak, M, Ehlert, SR, Enoto, T, Evangelista, Y, Fabiani, S, Ferrazzoli, R, Garcia, JA, Gunji, S, Hayashida, K, Iwakiri, W
, Jorstad, SG, Kaaret, P, Karas, V, Kitaguchi, T, Kolodziejczak, JJ, Krawczynski, H, Latronico, L, Liodakis, I, Maldera, S, Manfreda, A, Marin, F, Marinucci, A, Marscher, AP, Matt, G, Mitsuishi, I, Mizuno, T, Negro, M, Ng, C, O’dell, SL, Omodei, N, Oppedisano, C, Papitto, A, Pavlov, GG, Peirson, AL, Perri, M, Pesce-rollins, M, Petrucci, P, Possenti, A, Puccetti, S, Ramsey, BD, Rankin, J, Ratheesh, A, Roberts, OJ, Romani, RW, Sgrò, C, Slane, P, Soffitta, P, Spandre, G, Sunyaev, RA, Swartz, DA, Tamagawa, T, Tavecchio, F, Tawara, Y, Tennant, AF, Thomas, NE, Tombesi, F, Trois, A, Turolla, R, Vink, J, Weisskopf, MC, Wu, K & Zane, S 2023, '
IXPE Observations of the Quintessential Wind-accreting X-Ray Pulsar Vela X-1',
Astrophysical Journal Letters, vol. 947, no. 2, L20.
https://doi.org/10.3847/2041-8213/acc391APA
Forsblom, S. V., Poutanen, J., Tsygankov, S. S., Bachetti, M., Marco, A. D., Doroshenko, V., Heyl, J., Monaca, F. L., Malacaria, C., Marshall, H. L., Muleri, F., Mushtukov, A. A., Pilia, M., Rogantini, D., Suleimanov, V. F., Taverna, R., Xie, F., Agudo, I., Antonelli, L. A., ... Zane, S. (2023).
IXPE Observations of the Quintessential Wind-accreting X-Ray Pulsar Vela X-1.
Astrophysical Journal Letters,
947(2), [L20].
https://doi.org/10.3847/2041-8213/acc391Vancouver
Author
Forsblom, Sofia V. ; Poutanen, Juri ; Tsygankov, Sergey S. ; Bachetti, Matteo ; Marco, Alessandro Di ; Doroshenko, Victor ; Heyl, Jeremy ; Monaca, Fabio La ; Malacaria, Christian ; Marshall, Herman L. ; Muleri, Fabio ; Mushtukov, Alexander A. ; Pilia, Maura ; Rogantini, Daniele ; Suleimanov, Valery F. ; Taverna, Roberto ; Xie, Fei ; Agudo, Iván ; Antonelli, Lucio A. ; Baldini, Luca ; Baumgartner, Wayne H. ; Bellazzini, Ronaldo ; Bianchi, Stefano ; Bongiorno, Stephen D. ; Bonino, Raffaella ; Brez, Alessandro ; Bucciantini, Niccolò ; Capitanio, Fiamma ; Castellano, Simone ; Cavazzuti, Elisabetta ; Chen, Chien-ting ; Ciprini, Stefano ; Costa, Enrico ; De Rosa, Alessandra ; Del Monte, Ettore ; Di Gesu, Laura ; Di Lalla, Niccolò ; Donnarumma, Immacolata ; Dovčiak, Michal ; Ehlert, Steven R. ; Enoto, Teruaki ; Evangelista, Yuri ; Fabiani, Sergio ; Ferrazzoli, Riccardo ; Garcia, Javier A. ; Gunji, Shuichi ; Hayashida, Kiyoshi ; Iwakiri, Wataru
; Jorstad, Svetlana G. ; Kaaret, Philip ; Karas, Vladimir ; Kitaguchi, Takao ; Kolodziejczak, Jeffery J. ; Krawczynski, Henric ; Latronico, Luca ; Liodakis, Ioannis ; Maldera, Simone ; Manfreda, Alberto ; Marin, Frédéric ; Marinucci, Andrea ; Marscher, Alan P. ; Matt, Giorgio ; Mitsuishi, Ikuyuki ; Mizuno, Tsunefumi ; Negro, Michela ; Ng, Chi-yung ; O’dell, Stephen L. ; Omodei, Nicola ; Oppedisano, Chiara ; Papitto, Alessandro ; Pavlov, George G. ; Peirson, Abel L. ; Perri, Matteo ; Pesce-rollins, Melissa ; Petrucci, Pierre-olivier ; Possenti, Andrea ; Puccetti, Simonetta ; Ramsey, Brian D. ; Rankin, John ; Ratheesh, Ajay ; Roberts, Oliver J. ; Romani, Roger W. ; Sgrò, Carmelo ; Slane, Patrick ; Soffitta, Paolo ; Spandre, Gloria ; Sunyaev, Rashid A. ; Swartz, Douglas A. ; Tamagawa, Toru ; Tavecchio, Fabrizio ; Tawara, Yuzuru ; Tennant, Allyn F. ; Thomas, Nicholas E. ; Tombesi, Francesco ; Trois, Alessio ; Turolla, Roberto ; Vink, Jacco ; Weisskopf, Martin C. ; Wu, Kinwah ; Zane, Silvia. /
IXPE Observations of the Quintessential Wind-accreting X-Ray Pulsar Vela X-1. In:
Astrophysical Journal Letters. 2023 ; Vol. 947, No. 2.
BibTeX
@article{58125e7418f64c65ab8dc851ed9d091f,
title = "IXPE Observations of the Quintessential Wind-accreting X-Ray Pulsar Vela X-1",
abstract = "The radiation from accreting X-ray pulsars was expected to be highly polarized, with some estimates for the polarization degree of up to 80%. However, phase-resolved and energy-resolved polarimetry of X-ray pulsars is required in order to test different models and to shed light on the emission processes and the geometry of the emission region. Here we present the first results of the observations of the accreting X-ray pulsar Vela X-1 performed with the Imaging X-ray Polarimetry Explorer (IXPE). Vela X-1 is considered to be the archetypal example of a wind-accreting high-mass X-ray binary system, consisting of a highly magnetized neutron star accreting matter from its supergiant stellar companion. The spectro-polarimetric analysis of the phase-averaged data for Vela X-1 reveals a polarization degree (PD) of 2.3$\pm$0.4% at the polarization angle (PA) of -47.3$\pm$5.4 deg. A low PD is consistent with the results obtained for other X-ray pulsars and is likely related to the inverse temperature structure of the neutron star atmosphere. The energy-resolved analysis shows the PD above 5 keV reaching 6-10%, and a 90 deg difference in the PA compared to the data in the 2-3 keV range. The phase-resolved spectro-polarimetric analysis finds a PD in the range 0-9% with the PA varying between -80 and 40 deg.",
author = "Forsblom, {Sofia V.} and Juri Poutanen and Tsygankov, {Sergey S.} and Matteo Bachetti and Marco, {Alessandro Di} and Victor Doroshenko and Jeremy Heyl and Monaca, {Fabio La} and Christian Malacaria and Marshall, {Herman L.} and Fabio Muleri and Mushtukov, {Alexander A.} and Maura Pilia and Daniele Rogantini and Suleimanov, {Valery F.} and Roberto Taverna and Fei Xie and Iv{\'a}n Agudo and Antonelli, {Lucio A.} and Luca Baldini and Baumgartner, {Wayne H.} and Ronaldo Bellazzini and Stefano Bianchi and Bongiorno, {Stephen D.} and Raffaella Bonino and Alessandro Brez and Niccol{\`o} Bucciantini and Fiamma Capitanio and Simone Castellano and Elisabetta 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}, Niccol{\`o} and Immacolata Donnarumma and Michal Dov{\v c}iak 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 Kaaret and Vladimir Karas and Takao Kitaguchi and Kolodziejczak, {Jeffery J.} and Henric Krawczynski and Luca Latronico and Ioannis Liodakis and Simone Maldera and Alberto Manfreda and Fr{\'e}d{\'e}ric Marin and Andrea Marinucci and Marscher, {Alan P.} and Giorgio Matt and Ikuyuki Mitsuishi and Tsunefumi Mizuno and Michela Negro and Chi-yung Ng and O{\textquoteright}dell, {Stephen L.} and Nicola Omodei and Chiara Oppedisano and Alessandro Papitto and Pavlov, {George G.} and Peirson, {Abel L.} and Matteo Perri and Melissa Pesce-rollins and Pierre-olivier Petrucci 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 Sgr{\`o} and Patrick Slane and Paolo Soffitta and Gloria Spandre and Sunyaev, {Rashid A.} and Swartz, {Douglas A.} and Toru Tamagawa and Fabrizio Tavecchio and Yuzuru Tawara and Tennant, {Allyn F.} and Thomas, {Nicholas E.} and Francesco Tombesi and Alessio Trois and Roberto Turolla and Jacco Vink and Weisskopf, {Martin C.} and Kinwah Wu and Silvia Zane",
year = "2023",
month = apr,
day = "1",
doi = "10.3847/2041-8213/acc391",
language = "English",
volume = "947",
journal = "Astrophysical Journal Letters",
issn = "2041-8205",
publisher = "IOP Publishing Ltd.",
number = "2",
}
RIS
TY - JOUR
T1 - IXPE Observations of the Quintessential Wind-accreting X-Ray Pulsar Vela X-1
AU - Forsblom, Sofia V.
AU - Poutanen, Juri
AU - Tsygankov, Sergey S.
AU - Bachetti, Matteo
AU - Marco, Alessandro Di
AU - Doroshenko, Victor
AU - Heyl, Jeremy
AU - Monaca, Fabio La
AU - Malacaria, Christian
AU - Marshall, Herman L.
AU - Muleri, Fabio
AU - Mushtukov, Alexander A.
AU - Pilia, Maura
AU - Rogantini, Daniele
AU - Suleimanov, Valery F.
AU - Taverna, Roberto
AU - Xie, Fei
AU - Agudo, Iván
AU - Antonelli, Lucio A.
AU - Baldini, Luca
AU - Baumgartner, Wayne H.
AU - Bellazzini, Ronaldo
AU - Bianchi, Stefano
AU - Bongiorno, Stephen D.
AU - Bonino, Raffaella
AU - Brez, Alessandro
AU - Bucciantini, Niccolò
AU - Capitanio, Fiamma
AU - Castellano, Simone
AU - Cavazzuti, Elisabetta
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, Niccolò
AU - Donnarumma, Immacolata
AU - Dovčiak, 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 - Kaaret, Philip
AU - Karas, Vladimir
AU - Kitaguchi, Takao
AU - Kolodziejczak, Jeffery J.
AU - Krawczynski, Henric
AU - Latronico, Luca
AU - Liodakis, Ioannis
AU - Maldera, Simone
AU - Manfreda, Alberto
AU - Marin, Frédéric
AU - Marinucci, Andrea
AU - Marscher, Alan P.
AU - Matt, Giorgio
AU - Mitsuishi, Ikuyuki
AU - Mizuno, Tsunefumi
AU - Negro, Michela
AU - Ng, Chi-yung
AU - O’dell, Stephen L.
AU - Omodei, Nicola
AU - Oppedisano, Chiara
AU - Papitto, Alessandro
AU - Pavlov, George G.
AU - Peirson, Abel L.
AU - Perri, Matteo
AU - Pesce-rollins, Melissa
AU - Petrucci, Pierre-olivier
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 - Sgrò, Carmelo
AU - Slane, Patrick
AU - Soffitta, Paolo
AU - Spandre, Gloria
AU - Sunyaev, Rashid A.
AU - Swartz, Douglas A.
AU - Tamagawa, Toru
AU - Tavecchio, Fabrizio
AU - Tawara, Yuzuru
AU - Tennant, Allyn F.
AU - Thomas, Nicholas E.
AU - Tombesi, Francesco
AU - Trois, Alessio
AU - Turolla, Roberto
AU - Vink, Jacco
AU - Weisskopf, Martin C.
AU - Wu, Kinwah
AU - Zane, Silvia
PY - 2023/4/1
Y1 - 2023/4/1
N2 - The radiation from accreting X-ray pulsars was expected to be highly polarized, with some estimates for the polarization degree of up to 80%. However, phase-resolved and energy-resolved polarimetry of X-ray pulsars is required in order to test different models and to shed light on the emission processes and the geometry of the emission region. Here we present the first results of the observations of the accreting X-ray pulsar Vela X-1 performed with the Imaging X-ray Polarimetry Explorer (IXPE). Vela X-1 is considered to be the archetypal example of a wind-accreting high-mass X-ray binary system, consisting of a highly magnetized neutron star accreting matter from its supergiant stellar companion. The spectro-polarimetric analysis of the phase-averaged data for Vela X-1 reveals a polarization degree (PD) of 2.3$\pm$0.4% at the polarization angle (PA) of -47.3$\pm$5.4 deg. A low PD is consistent with the results obtained for other X-ray pulsars and is likely related to the inverse temperature structure of the neutron star atmosphere. The energy-resolved analysis shows the PD above 5 keV reaching 6-10%, and a 90 deg difference in the PA compared to the data in the 2-3 keV range. The phase-resolved spectro-polarimetric analysis finds a PD in the range 0-9% with the PA varying between -80 and 40 deg.
AB - The radiation from accreting X-ray pulsars was expected to be highly polarized, with some estimates for the polarization degree of up to 80%. However, phase-resolved and energy-resolved polarimetry of X-ray pulsars is required in order to test different models and to shed light on the emission processes and the geometry of the emission region. Here we present the first results of the observations of the accreting X-ray pulsar Vela X-1 performed with the Imaging X-ray Polarimetry Explorer (IXPE). Vela X-1 is considered to be the archetypal example of a wind-accreting high-mass X-ray binary system, consisting of a highly magnetized neutron star accreting matter from its supergiant stellar companion. The spectro-polarimetric analysis of the phase-averaged data for Vela X-1 reveals a polarization degree (PD) of 2.3$\pm$0.4% at the polarization angle (PA) of -47.3$\pm$5.4 deg. A low PD is consistent with the results obtained for other X-ray pulsars and is likely related to the inverse temperature structure of the neutron star atmosphere. The energy-resolved analysis shows the PD above 5 keV reaching 6-10%, and a 90 deg difference in the PA compared to the data in the 2-3 keV range. The phase-resolved spectro-polarimetric analysis finds a PD in the range 0-9% with the PA varying between -80 and 40 deg.
UR - http://arxiv.org/abs/2303.01800
UR - https://www.mendeley.com/catalogue/39ecd822-13d7-3746-83e3-f8bea7bba1fb/
U2 - 10.3847/2041-8213/acc391
DO - 10.3847/2041-8213/acc391
M3 - Article
VL - 947
JO - Astrophysical Journal Letters
JF - Astrophysical Journal Letters
SN - 2041-8205
IS - 2
M1 - L20
ER -
