| Title: |
Observations of 4U 1626-67 with the Imaging X-Ray Polarimetry Explorer |
| Authors: |
Marshall, Herman L.; Ng, Mason; Rogantini, Daniele; Heyl, Jeremy; Tsygankov, Sergey S.; Poutanen, Juri; COSTA, ENRICO; Zane, Silvia; MALACARIA, Christian; Agudo, Iván; ANTONELLI, Lucio Angelo; BACHETTI, Matteo; Baldini, Luca; Baumgartner, Wayne H.; Bellazzini, Ronaldo; Bianchi, Stefano; Bongiorno, Stephen D.; Bonino, Raffaella; Brez, Alessandro; BUCCIANTINI, Niccolo'; CAPITANIO, FIAMMA; Castellano, Simone; Cavazzuti, Elisabetta; Ciprini, Stefano; DE ROSA, Alessandra; DEL MONTE, Ettore; Di Gesu, Laura; Di Lalla, Niccolò; DI MARCO, Alessandro; Donnarumma, Immacolata; Doroshenko, Victor; 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.; Karas, Vladimir; Kitaguchi, Takao; Kolodziejczak, Jeffery J.; Krawczynski, Henric; LA MONACA, Fabio; Latronico, Luca; Liodakis, Ioannis; Maldera, Simone; Manfreda, Alberto; Marin, Frédéric; Marinucci, Andrea; Marscher, Alan P.; Matt, Giorgio; Mitsuishi, Ikuyuki; Mizuno, Tsunefumi; MULERI, FABIO; Ng, C. -Y.; O'Dell, Stephen L.; Omodei, Nicola; Oppedisano, 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; Romani, Roger W.; Sgrò, Carmelo; Slane, Patrick; SOFFITTA, PAOLO; Spandre, Gloria; Tamagawa, Toru; TAVECCHIO, Fabrizio; Taverna, Roberto; Tawara, Yuzuru; Tennant, Allyn F.; Thomas, Nicholas E.; TOMBESI, Francesco; TROIS, ALESSIO; Turolla, Roberto; Vink, Jacco; Weisskopf, Martin C.; Wu, Kinwah; XIE, FEI; IXPE Collaboration; Schulz, Norbert S.; Chakrabarty, Deepto |
| Publication Year: |
2022 |
| Description: |
We present measurements of the polarization of X-rays in the 2-8 keV band from the pulsar in the ultracompact low-mass X-ray binary 4U 1626-67 using data from the Imaging X-Ray Polarimetry Explorer (IXPE). The 7.66 s pulsations were clearly detected throughout the IXPE observations as well as in the NICER soft X-ray observations, which we used as the basis for our timing analysis and to constrain the spectral shape over the 0.4-10 keV energy band. Chandra HETGS high-resolution X-ray spectra were also obtained near the times of the IXPE observations for firm spectral modeling. We found an upper limit on the pulse-averaged linear polarization of |
| Document Type: |
article in journal/newspaper |
| Language: |
English |
| Relation: |
THE ASTROPHYSICAL JOURNAL; http://hdl.handle.net/20.500.12386/36309; https://api.elsevier.com/content/abstract/scopus_id/85143143326 |
| DOI: |
10.3847/1538-4357/ac98c2 |
| Availability: |
https://hdl.handle.net/20.500.12386/36309; https://doi.org/10.3847/1538-4357/ac98c2; https://api.elsevier.com/content/abstract/scopus_id/85143143326; https://iopscience.iop.org/article/10.3847/1538-4357/ac98c2 |
| Rights: |
open |
| Accession Number: |
edsbas.D6E9B051 |
| Database: |
BASE |