Cover Image

The First X-Ray Polarimetry of an Eclipsing Low-Mass X-Ray Binary: Serendipitous IXPE Observation of AX J1745.6-2901

Fuente: arXiv

Saved in:

Bibliographic Details
Main Authors:	Mikušincová, Romana, Marra, Lorenzo, Manikantan, Hemanth, Bianchi, Stefano, Capitanio, Fiamma, Chakraborty, Sudip, Ciancarella, Raul, Costa, Enrico, De Angelis, Nicolas, Del Santo, Melania, Fabiani, Sergio, Ferrazzoli, Riccardo, Gianolli, Vittoria E., Gnarini, Andrea, Ingram, Adam, Mandel, Shifra, Mastroserio, Guglielmo, Matt, Giorgio, Mori, Kaya, Muleri, Fabio, Pagliarella, Simone, Parra, Maxime, Petrucci, P. O., Podgorný, Jakub, Poutanen, Juri, Ravi, Swati, Soffitta, Paolo, Steiner, James F., Tarana, Antonella, Taverna, Roberto, Ursini, Francesco, Veledina, Alexandra, Vincentelli, Federico M., Yilmaz, Anastasiya, De Marco, Barbara, Gupta, Maitrayee, Loktev, Vladislav, Russell, Thomas D., Svoboda, Jiří, Tombesi, Francesco, Zhang, Shuo
Format:	Preprint
Published:	2025
Subjects:	High Energy Astrophysical Phenomena
Online Access:	Acceder al recurso
Tags:	Add Tag No Tags, Be the first to tag this record!

_version_	1866911319450451968
author	Mikušincová, Romana Marra, Lorenzo Manikantan, Hemanth Bianchi, Stefano Capitanio, Fiamma Chakraborty, Sudip Ciancarella, Raul Costa, Enrico De Angelis, Nicolas Del Santo, Melania Fabiani, Sergio Ferrazzoli, Riccardo Gianolli, Vittoria E. Gnarini, Andrea Ingram, Adam Mandel, Shifra Mastroserio, Guglielmo Matt, Giorgio Mori, Kaya Muleri, Fabio Pagliarella, Simone Parra, Maxime Petrucci, P. O. Podgorný, Jakub Poutanen, Juri Ravi, Swati Soffitta, Paolo Steiner, James F. Tarana, Antonella Taverna, Roberto Ursini, Francesco Veledina, Alexandra Vincentelli, Federico M. Yilmaz, Anastasiya De Marco, Barbara Gupta, Maitrayee Loktev, Vladislav Russell, Thomas D. Svoboda, Jiří Tombesi, Francesco Zhang, Shuo
author_facet	Mikušincová, Romana Marra, Lorenzo Manikantan, Hemanth Bianchi, Stefano Capitanio, Fiamma Chakraborty, Sudip Ciancarella, Raul Costa, Enrico De Angelis, Nicolas Del Santo, Melania Fabiani, Sergio Ferrazzoli, Riccardo Gianolli, Vittoria E. Gnarini, Andrea Ingram, Adam Mandel, Shifra Mastroserio, Guglielmo Matt, Giorgio Mori, Kaya Muleri, Fabio Pagliarella, Simone Parra, Maxime Petrucci, P. O. Podgorný, Jakub Poutanen, Juri Ravi, Swati Soffitta, Paolo Steiner, James F. Tarana, Antonella Taverna, Roberto Ursini, Francesco Veledina, Alexandra Vincentelli, Federico M. Yilmaz, Anastasiya De Marco, Barbara Gupta, Maitrayee Loktev, Vladislav Russell, Thomas D. Svoboda, Jiří Tombesi, Francesco Zhang, Shuo
contents	We present the first X-ray polarimetric measurement of the neutron star low-mass X-ray binary system AX J1745.6-2901 conducted by the Imaging X-ray Polarimetry Explorer (IXPE) satellite. This transient source, located within $ \sim $1.5' of the Galactic center, was observed serendipitously during a MAXI J1744-294 observation with a duration of 150 ks. The complex nature of the region in which AX J1745.6-2901 is located poses a challenge for studying its polarization. By performing a detailed analysis of the contamination from MAXI J1744-294 and the Galactic center diffuse emission, we find the source polarization degree PD = 14.7$\% \pm$ 4.0$\%$ and polarization angle PA = 122$^\circ \pm 8^\circ$. The phase-resolved analysis shows increase in polarization during the eclipse phase, with PD = 34.2$\% \pm$ 8.7$\%$, suggesting that the polarization-inducing mechanisms are of scattering nature, probably originating from disk winds.
format	Preprint
id	arxiv_https___arxiv_org_abs_2512_13182
institution	arXiv
publishDate	2025
record_format	arxiv
spellingShingle	The First X-Ray Polarimetry of an Eclipsing Low-Mass X-Ray Binary: Serendipitous IXPE Observation of AX J1745.6-2901 Mikušincová, Romana Marra, Lorenzo Manikantan, Hemanth Bianchi, Stefano Capitanio, Fiamma Chakraborty, Sudip Ciancarella, Raul Costa, Enrico De Angelis, Nicolas Del Santo, Melania Fabiani, Sergio Ferrazzoli, Riccardo Gianolli, Vittoria E. Gnarini, Andrea Ingram, Adam Mandel, Shifra Mastroserio, Guglielmo Matt, Giorgio Mori, Kaya Muleri, Fabio Pagliarella, Simone Parra, Maxime Petrucci, P. O. Podgorný, Jakub Poutanen, Juri Ravi, Swati Soffitta, Paolo Steiner, James F. Tarana, Antonella Taverna, Roberto Ursini, Francesco Veledina, Alexandra Vincentelli, Federico M. Yilmaz, Anastasiya De Marco, Barbara Gupta, Maitrayee Loktev, Vladislav Russell, Thomas D. Svoboda, Jiří Tombesi, Francesco Zhang, Shuo High Energy Astrophysical Phenomena We present the first X-ray polarimetric measurement of the neutron star low-mass X-ray binary system AX J1745.6-2901 conducted by the Imaging X-ray Polarimetry Explorer (IXPE) satellite. This transient source, located within $ \sim $1.5' of the Galactic center, was observed serendipitously during a MAXI J1744-294 observation with a duration of 150 ks. The complex nature of the region in which AX J1745.6-2901 is located poses a challenge for studying its polarization. By performing a detailed analysis of the contamination from MAXI J1744-294 and the Galactic center diffuse emission, we find the source polarization degree PD = 14.7$\% \pm$ 4.0$\%$ and polarization angle PA = 122$^\circ \pm 8^\circ$. The phase-resolved analysis shows increase in polarization during the eclipse phase, with PD = 34.2$\% \pm$ 8.7$\%$, suggesting that the polarization-inducing mechanisms are of scattering nature, probably originating from disk winds.
title	The First X-Ray Polarimetry of an Eclipsing Low-Mass X-Ray Binary: Serendipitous IXPE Observation of AX J1745.6-2901
topic	High Energy Astrophysical Phenomena
url	https://arxiv.org/abs/2512.13182