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We communicate the detection of soft (20--200 keV) gamma-rays from the pulsar and pulsar wind nebula of PSR J1846-0258 and aim to identify the component of the system which is responsible for the gamma-ray emission. To pinpoint the source…

Astrophysics · Physics 2009-11-13 V. A. McBride , A. J. Dean , A. Bazzano , A. J. Bird , A. B. Hill , A. De Rosa , R. Landi , V. Sguera , A. Malizia

We report the results of a deep XMM-Newton observation of the radio-faint $\gamma$-ray pulsar J1741-2054 and its nebula together with the analysis of 5 years of Fermi LAT data. The X-ray spectrum of the pulsar is consistent with an absorbed…

High Energy Astrophysical Phenomena · Physics 2015-06-19 M. Marelli , A. Belfiore , P. Saz Parkinson , P. Caraveo , A. De Luca , C. Sarazin , D. Salvetti , G. R. Sivakoff , F. Camilo

We report the detection of a point source CXO J172337.5-373442 in a Chandra field with a high significance (26.7 sigma), and the discovery (4 sigma) of a 48" long X-ray tail emanating from the point source. The X-ray spectra of both the…

Astrophysics · Physics 2009-11-13 Sudip Bhattacharyya

Aims: PSR J0855-4644 is a fast-spinning, energetic pulsar discovered at radio wavelengths near the south-eastern rim of the supernova remnant RX J0852.0-4622. A follow-up observation revealed the pulsar's X-ray counterpart and a slightly…

High Energy Astrophysical Phenomena · Physics 2017-01-04 Chandreyee Maitra , Fabio Acero , Christo Venter

We report on the analysis of a deep Chandra observation of the high-magnetic field pulsar (PSR) J1119-6127 and its compact pulsar wind nebula (PWN) taken in October 2019, three years after the source went into outburst. The 0.5-7 keV…

High Energy Astrophysical Phenomena · Physics 2021-08-25 Harsha Blumer , Samar Safi-Harb , Alice Borghese , Jonatan Martín , Maura A. McLaughlin , Diego F. Torres , George Younes

G292.0+1.8 is the Cas A-like supernova remnant containing the young pulsar PSR J1124-5916, which powers a compact torus-like pulsar wind nebula with a jet visible in X-rays. We have performed deep optical observations of the pulsar field to…

Astrophysics · Physics 2009-11-13 S. V. Zharikov , Yu. A. Shibanov , D. A. Zyuzin , R. E. Mennickent , V. N. Komarova

We present a Chandra X-ray observation of G12.82-0.02, a shell-like radio supernova remnant coincident with the TeV gamma-ray source HESS J1813-178. We resolve the X-ray emission from the co-located ASCA source into a point source…

PSR J2030+4415 is a gamma-ray pulsar with an X-ray pulsar wind nebula elongated along the north-south direction. The system shows a prominent X-ray filament oriented at an angle of 130{\deg} to the nebula axis. To improve our understanding…

High Energy Astrophysical Phenomena · Physics 2025-01-10 J. M. Paredes , P. Benaglia , V. Bosch-Ramon , A. Tej , A. Saha , J. Martí , P. Bordas

We present the first X-ray detection of the very young pulsar PSR J1357-6429 (characteristic age of 7.3 kyr) using data from the XMM-Newton and Chandra satellites. We find that the spectrum is well described by a power-law plus blackbody…

Astrophysics · Physics 2009-02-23 P. Esposito , A. Tiengo , A. De Luca , F. Mattana

We report on the discovery of extended X-ray emission around the high magnetic field Rotating Radio Transient J1819-1458. Using a 30ks Chandra ACIS-S observation, we found significant evidence for extended X-ray emission with a peculiar…

High Energy Astrophysical Phenomena · Physics 2009-09-28 N. Rea , M. A. McLaughlin , B. M. Gaensler , P. O. Slane , L. Stella , S. P. Reynolds , M. Burgay , G. L. Israel , A. Possenti , S. Chatterjee

We present Chandra X-ray Observatory imaging observations of the young Galactic supernova remnant G11.2-0.3. The image shows that the previously known young 65-ms X-ray pulsar is at position (J2000) RA 18h 11m 29.22s, DEC -19o 25' 27.''6,…

Astrophysics · Physics 2009-11-06 V. M. Kaspi , M. E. Roberts , G. Vasisht , E. V. Gotthelf , M. Pivovaroff , N. Kawai

We present X-ray observations of PWN G16.73+0.08/SNR G16.7+0.1 using archival data of {\it Chandra} ACIS. The X-ray emission peak location of this pulsar wind nebula is found to be offset by 24 arcsec from the centre of the 1.4-GHz emission…

High Energy Astrophysical Phenomena · Physics 2017-12-27 H. -K. Chang , S. -F. Chung , C. -Y. Yang , W. W. Tian

We report on Chandra ACIS and XMM-Newton MOS/PN imaging observations of two pulsar wind nebulae (K3/PSR J1420-6048 and G313.3+0.1=`the rabbit') associated with the Galactic unidentified gamma-ray source GeV J1417-6100. With the excellent…

Astrophysics · Physics 2009-11-10 C. -Y. Ng , Mallory S. E. Roberts , Roger W. Romani

We carried out deep optical observations of the middle-aged $\gamma$-ray pulsar PSR J1741-2054 with the Very Large Telescope (VLT). We identified two objects, of magnitudes $m_v=23.10\pm0.05$ and $m_v=25.32\pm0.08$, at positions consistent…

High Energy Astrophysical Phenomena · Physics 2016-07-20 R. P. Mignani , V. Testa , M. Marelli , A. De Luca , D. Salvetti , A. Belfiore , M. Pierbattista , M. Razzano , A. Shearer , P. Moran

We present results from Chandra and XMM-Newton observations of the radio pulsar B1046-58. A high-resolution spatial analysis reveals an asymmetric pulsar wind nebula (PWN) ~6"x11" in size. The combined emission from the pulsar and its PWN…

Astrophysics · Physics 2011-02-11 M. E. Gonzalez , V. M. Kaspi , M. J. Pivovaroff , B. M. Gaensler

We present the result of a Chandra ACIS observation of the pulsar PSR B1853+01 and its associated pulsar wind nebula (PWN), embedded within the supernova remnant W44. A hard band ACIS map cleanly distinguishes the PWN from the thermal…

Astrophysics · Physics 2009-11-07 R. Petre , K. D. Kuntz , R. L. Shelton

We report on Chandra X-ray Observatory (CXO) observations of the pulsar wind nebula (PWN) associated with PSR B0355+54 (eight observations with a 395 ks total exposure, performed over an 8 month period). We investigated the spatial and…

We have conducted a radio study at 3.6, 6 and 20 cm using ATCA and VLA and reprocessed XMM-Newton and Chandra data of the pulsar wind nebula (PWN) in the supernova remnant (SNR) G0.9+0.1. The new observations revealed that the morphology…

Astrophysics · Physics 2009-11-13 Gloria Dubner , Elsa Giacani , Anne Decourchelle

We have discovered an extended X-ray feature which is apparently associated with millisecond pulsar (MSP) PSR J1911-1114 from a XMM-Newton observation, which extends for ~1' and the radio timing position of PSR J1911-1114 is in the mid…

High Energy Astrophysical Phenomena · Physics 2018-12-26 Jongsu Lee , C. Y. Hui , J. Takata , L. C. C. Lin

A Chandra image of the central X-ray source RX J0007.0+7303 in the supernova remnant CTA 1 reveals a point source, a compact nebula, and a bent jet, all of which are characteristic of energetic, rotation-powered pulsars. Using the MDM 2.4m…

Astrophysics · Physics 2009-11-10 J. P. Halpern , E. V. Gotthelf , F. Camilo , D. J. Helfand , S. M. Ransom