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Article: First Detection of Polarization in X-Rays for PSR B0540-69 and Its Nebula

TitleFirst Detection of Polarization in X-Rays for PSR B0540-69 and Its Nebula
Authors
Issue Date1-Feb-2024
PublisherAmerican Astronomical Society
Citation
Astrophysical Journal, 2024, v. 962, n. 1, p. 1-9 How to Cite?
AbstractWe report on X-ray polarization measurements of the extragalactic Crab-like PSR B0540-69 and its Pulsar Wind Nebula (PWN) in the Large Magellanic Cloud, using a similar to 850 ks Imaging X-ray Polarimetry Explorer (IXPE) exposure. The PWN is unresolved by IXPE. No statistically significant polarization is detected for the image-averaged data, giving a 99% confidence polarization upper limit (MDP99) of 5.3% in the 2-8 keV energy range. However, a phase-resolved analysis detects polarization for both the nebula and pulsar in the 4-6 keV energy range. For the PWN defined as the off-pulse phases, the polarization degree (PD) of (24.5 +/- 5.3)% and polarization angle (PA) of (78.1 +/- 6.2)degrees is detected at 4.6 sigma significance level, consistent with the PA observed in the optical band. In a single on-pulse window, a hint of polarization is measured at 3.8 sigma with PD of (50.0 +/- 13.1)% and PA of (6.2 +/- 7.4)degrees. A "simultaneous" PSR/PWN analysis finds two bins at the edges of the pulse exceeding 3 sigma PD significance, with PD of (68 +/- 20)% and (62 +/- 20)%; intervening bins at 2-3 sigma significance have lower PD, hinting at additional polarization structure.
Persistent Identifierhttp://hdl.handle.net/10722/342096
ISSN
2023 Impact Factor: 4.8
2023 SCImago Journal Rankings: 1.905
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorXie, F-
dc.contributor.authorWong, J-
dc.contributor.authorLa Monaca, F-
dc.contributor.authorRomani, RW-
dc.contributor.authorHeyl, J-
dc.contributor.authorKaaret, P-
dc.contributor.authorDi Marco, A-
dc.contributor.authorBucciantini, N-
dc.contributor.authorLiu, K-
dc.contributor.authorNg, CY-
dc.contributor.authorDi Lalla, N-
dc.contributor.authorWeisskopf, MC-
dc.contributor.authorCosta, E-
dc.contributor.authorSoffitta, P-
dc.contributor.authorMuleri, F-
dc.contributor.authorBachetti, M-
dc.contributor.authorPilia, M-
dc.contributor.authorRankin, J-
dc.contributor.authorFabiani, S-
dc.contributor.authorAgudo, I-
dc.contributor.authorAntonelli, LA-
dc.contributor.authorBaldini, L-
dc.contributor.authorBaumgartner, WH-
dc.contributor.authorBellazzini, R-
dc.contributor.authorBianchi, S-
dc.contributor.authorBongiorno, SD-
dc.contributor.authorBonino, R-
dc.contributor.authorBrez, A-
dc.contributor.authorCapitanio, F-
dc.contributor.authorCastellano, S-
dc.contributor.authorCavazzuti, E-
dc.contributor.authorChen, CT-
dc.contributor.authorCiprini, S-
dc.contributor.authorde Rosa, A-
dc.contributor.authorDel Monte, E-
dc.contributor.authorDi Gesu, L-
dc.contributor.authorDonnarumma, I-
dc.contributor.authorDoroshenko, V-
dc.contributor.authorDovciak, M-
dc.contributor.authorEhlert, SR-
dc.contributor.authorEnoto, T-
dc.contributor.authorEvangelista, Y-
dc.contributor.authorFerrazzoli, R-
dc.contributor.authorGarcia, JA-
dc.contributor.authorGunji, S-
dc.contributor.authorHayashida, K-
dc.contributor.authorIwakiri, W-
dc.contributor.authorJorstad, SG-
dc.contributor.authorKaras, V-
dc.contributor.authorKislat, F-
dc.contributor.authorKitaguchi, T-
dc.contributor.authorKolodziejczak, JJ-
dc.contributor.authorKrawczynski, H-
dc.contributor.authorLatronico, L-
dc.contributor.authorLiodakis, I-
dc.contributor.authorMaldera, S-
dc.contributor.authorManfreda, A-
dc.contributor.authorMarin, F-
dc.contributor.authorMarinucci, A-
dc.contributor.authorMarscher, AP-
dc.contributor.authorMarshall, HL-
dc.contributor.authorMassaro, F-
dc.contributor.authorMatt, G-
dc.contributor.authorMitsuishi, I-
dc.contributor.authorMizuno, T-
dc.contributor.authorNegro, M-
dc.contributor.authorO'Dell, SL-
dc.contributor.authorOmodei, N-
dc.contributor.authorOppedisano, C-
dc.contributor.authorPapitto, A-
dc.contributor.authorPavlov, GG-
dc.contributor.authorPeirson, AL-
dc.contributor.authorPerri, M-
dc.contributor.authorPesce-Rollins, M-
dc.contributor.authorPetrucci, PO-
dc.contributor.authorPossenti, A-
dc.contributor.authorPoutanen, J-
dc.contributor.authorPuccetti, S-
dc.contributor.authorRamsey, BD-
dc.contributor.authorRatheesh, A-
dc.contributor.authorRoberts, OJ-
dc.contributor.authorSgro, C-
dc.contributor.authorSlane, P-
dc.contributor.authorSpandre, G-
dc.contributor.authorSwartz, DA-
dc.contributor.authorTamagawa, T-
dc.contributor.authorTavecchio, F-
dc.contributor.authorTaverna, R-
dc.contributor.authorTawara, Y-
dc.contributor.authorTennant, AF-
dc.contributor.authorThomas, NE-
dc.contributor.authorTombesi, F-
dc.contributor.authorTrois, A-
dc.contributor.authorTsygankov, SS-
dc.contributor.authorTurolla, R-
dc.contributor.authorVink, J-
dc.contributor.authorWu, KW-
dc.contributor.authorZane, S-
dc.contributor.authorWadiasingh, Z-
dc.contributor.authorHo, WCG-
dc.contributor.authorHarding, AK-
dc.contributor.authorGendreau, KC-
dc.contributor.authorArzoumanian, Z-
dc.date.accessioned2024-04-02T08:25:32Z-
dc.date.available2024-04-02T08:25:32Z-
dc.date.issued2024-02-01-
dc.identifier.citationAstrophysical Journal, 2024, v. 962, n. 1, p. 1-9-
dc.identifier.issn0004-637X-
dc.identifier.urihttp://hdl.handle.net/10722/342096-
dc.description.abstractWe report on X-ray polarization measurements of the extragalactic Crab-like PSR B0540-69 and its Pulsar Wind Nebula (PWN) in the Large Magellanic Cloud, using a similar to 850 ks Imaging X-ray Polarimetry Explorer (IXPE) exposure. The PWN is unresolved by IXPE. No statistically significant polarization is detected for the image-averaged data, giving a 99% confidence polarization upper limit (MDP99) of 5.3% in the 2-8 keV energy range. However, a phase-resolved analysis detects polarization for both the nebula and pulsar in the 4-6 keV energy range. For the PWN defined as the off-pulse phases, the polarization degree (PD) of (24.5 +/- 5.3)% and polarization angle (PA) of (78.1 +/- 6.2)degrees is detected at 4.6 sigma significance level, consistent with the PA observed in the optical band. In a single on-pulse window, a hint of polarization is measured at 3.8 sigma with PD of (50.0 +/- 13.1)% and PA of (6.2 +/- 7.4)degrees. A "simultaneous" PSR/PWN analysis finds two bins at the edges of the pulse exceeding 3 sigma PD significance, with PD of (68 +/- 20)% and (62 +/- 20)%; intervening bins at 2-3 sigma significance have lower PD, hinting at additional polarization structure.-
dc.languageeng-
dc.publisherAmerican Astronomical Society-
dc.relation.ispartofAstrophysical Journal-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.titleFirst Detection of Polarization in X-Rays for PSR B0540-69 and Its Nebula-
dc.typeArticle-
dc.identifier.doi10.3847/1538-4357/ad17ba-
dc.identifier.scopuseid_2-s2.0-85185921675-
dc.identifier.volume962-
dc.identifier.issue1-
dc.identifier.spage1-
dc.identifier.epage9-
dc.identifier.eissn1538-4357-
dc.identifier.isiWOS:001159833100001-
dc.publisher.placeBRISTOL-
dc.identifier.issnl0004-637X-

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