Related papers: X-ray Observations of the Compact Source in CTA 1

X-ray, Radio, and Optical Observations of the Putative Pulsar in the Supernova Remnant CTA 1

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

A candidate gamma-ray pulsar in the supernova remnant CTA 1

We present a detailed analysis of the high energy gamma-ray source 2EG J0008+7307. The source has a steady flux and a hard spectrum, softening above 2 GeV. The properties of the gamma-ray source are suggestive of emission from a young…

Astrophysics · Physics 2009-10-30 K. T. S. Brazier , O. Reimer , G. Kanbach , A. Carraminana

X-ray pulsations from the radio-quiet gamma-ray pulsar in CTA 1

Prompted by the Fermi LAT discovery of a radio-quiet gamma-ray pulsar inside the CTA 1 supernova remnant, we obtained a 130 ks XMM-Newton observation to assess the timing behavior of this pulsar. Exploiting both the unprecedented photon…

High Energy Astrophysical Phenomena · Physics 2015-05-20 P. A. Caraveo , A. De Luca , M. Marelli , G. F. Bignami , P. S. Ray , P. M. Saz-Parkinson , G. Kanbach

Discovery of a Candidate Central Compact Object in the Galactic Nonthermal SNR G330.2+1.0

We report on the discovery of a pointlike source (CXOU J160103.1$-$513353) at the center of a Galactic supernova remnant (SNR) G330.2+1.0 with {\it Chandra X-Ray Observatory}. The X-ray spectrum fits a black-body (BB) model with $kT$ $\sim$…

Astrophysics · Physics 2009-11-11 Sangwook Park , Koji Mori , Oleg Kargaltsev , Patrick O. Slane , John P. Hughes , David N. Burrows , Gordon P. Garmire , George G. Pavlov

An X-Ray Point Source and Synchrotron Nebula Candidate in the Supernova Remnant G292.0+1.8

We present archival data from the Chandra X-Ray Observatory that reveal a bright point source to the southeast of the center of the young supernova remnant G292.0+1.8 that is coincident with the peak of highest radio surface brightness. The…

Astrophysics · Physics 2007-05-23 Charles M. Olbert , Jonathan W. Keohane

Deep optical observations of the gamma-ray pulsar PSR J0007+7303 in the CTA 1 supernova remnant

The Fermi Large Area Telescope (LAT) discovered the time signature of a radio-silent pulsar coincident with RX J0007.0+7302, a plerion-like X-ray source at the centre of the CTA 1 supernova remnant. The inferred timing parameters of the…

High Energy Astrophysical Phenomena · Physics 2015-06-12 R. P. Mignani , A. de Luca , N. Rea , A. Shearer , S. Collins , D. F. Torres , D. Hadasch , A. Caliandro

Chandra X-ray Observations of the Pulsar Wind Nebula within CTA 1

We present deep Chandra observations of the pulsar wind nebula (PWN) powered by PSR J0007+7303 in the composite supernova remnant CTA 1. The merged ACIS image shows a $\sim20''$ jet extending south of the pulsar and bending toward the…

High Energy Astrophysical Phenomena · Physics 2026-05-21 Seth Gagnon , Oleg Kargaltsev , Jason Alford , Joseph Gelfand , Alexander Lange

Investigation of CTA 1 with Suzaku Observation

We report on an 105 ks Suzaku observation of the supernova remnant CTA 1 (G119.5+10.2). The Suzaku soft X-ray observation was carried out with both timing mode and imaging mode. A ~ 10' extended feature, which is interpreted as a bow-shock…

High Energy Astrophysical Phenomena · Physics 2015-06-05 Lupin C. C. Lin , Jumpei Takata , Albert K. H. Kong , C. Y. Hui , Teruaki Enoto , H. K. Chang , Regina H. H. Huang , J. S. Liang , Shinpei Shibata , C. Y. Hwang

Detection of an X-ray Pulsation for the Gamma-ray Pulsar Centered in CTA 1

We report the detection of X-ray pulsations with a period of ~315.87 ms from the 2009 XMM-Newton observation for the radio-quiet gamma-ray pulsar, LAT PSR J0007+7303, centered in the supernova remnant CTA 1. The detected pulsed period is…

High Energy Astrophysical Phenomena · Physics 2015-05-20 Lupin C. C. Lin , Regina H. H. Huang , Jumpei Takata , Chorng-Yuan Hwang , Albert K. H. Kong , Chung-Yue Hui

IGR J17448-3232 point source: A blazar candidate viewed through the Galactic centre?

The error region of the INTEGRAL source, IGR J17448-3232, contains an X-ray point source at the edge of a ~3' radius extended X-ray source. It has been suggested that the extended emission is a young supernovae remnant (SNR) while the point…

High Energy Astrophysical Phenomena · Physics 2012-01-10 P. A. Curran , S. Chaty , J. A. Zurita Heras , J. A. Tomsick , T. J. Maccarone

Possible GeV gamma-ray emission from the pulsar wind nebula in CTA 1

We report a detection of GeV $\gamma$-ray emission potentially originating from the pulsar wind nebula in CTA 1 by analyzing about 15 yr of Fermi Large Area Telescope data. By selecting an energy range from 50 GeV to 1 TeV to remove…

High Energy Astrophysical Phenomena · Physics 2024-03-12 Liancheng Zhou , Keyao Wu , Yunlu Gong , Jun Fang

Hard Extended X-ray Source in the IC 443 SNR Resolved by Chandra: A Fast Ejecta Fragment or a New Pulsar Wind Nebula?

A Chandra observation of the isolated hard X-ray source XMMU J061804.3+222732, located in the region of apparent interaction of the supernova remnant IC 443 with a molecular cloud, resolved the complex structure of the source in a few…

Astrophysics · Physics 2009-11-10 A. M. Bykov , F. Bocchino , G. G. Pavlov

Deep view of Composite SNR CTA1 with LHAASO in $\gamma$-rays up to 300 TeV

The ultra-high-energy (UHE) gamma-ray source 1LHAASO J0007+7303u is positionally associated with the composite SNR CTA1 that is located at high Galactic Latitude $b\approx 10.5^\circ$. This provides a rare opportunity to spatially resolve…

High Energy Astrophysical Phenomena · Physics 2026-01-07 Zhen Cao , F. Aharonian , Y. X. Bai , Y. W. Bao , D. Bastieri , X. J. Bi , Y. J. Bi , W. Bian , J. Blunier , A. V. Bukevich , C. M. Cai , Y. Y. Cai , W. Y. Cao , Zhe Cao , J. Chang , J. F. Chang , E. S. Chen , G. H. Chen , H. K. Chen , L. F. Chen , Liang Chen , Long Chen , M. J. Chen , M. L. Chen , Q. H. Chen , S. Chen , S. H. Chen , S. Z. Chen , T. L. Chen , X. B. Chen , X. J. Chen , X. P. Chen , Y. Chen , N. Cheng , Q. Y. Cheng , Y. D. Cheng , M. Y. Cui , S. W. Cui , X. H. Cui , Y. D. Cui , B. Z. Dai , H. L. Dai , Z. G. Dai , Danzengluobu , Y. X. Diao , A. J. Dong , X. Q. Dong , K. K. Duan , J. H. Fan , Y. Z. Fan , J. Fang , J. H. Fang , K. Fang , C. F. Feng , H. Feng , L. Feng , S. H. Feng , X. T. Feng , Y. Feng , Y. L. Feng , S. Gabici , B. Gao , Q. Gao , W. Gao , W. K. Gao , M. M. Ge , T. T. Ge , L. S. Geng , G. Giacinti , G. H. Gong , Q. B. Gou , M. H. Gu , F. L. Guo , J. Guo , K. J. Guo , X. L. Guo , Y. Q. Guo , Y. Y. Guo , R. P. Han , O. A. Hannuksela , M. Hasan , H. H. He , H. N. He , J. Y. He , X. Y. He , Y. He , S. Hernández-Cadena , B. W. Hou , C. Hou , X. Hou , H. B. Hu , S. C. Hu , C. Huang , D. H. Huang , J. J. Huang , X. L. Huang , X. T. Huang , X. Y. Huang , Y. Huang , Y. Y. Huang , A. Inventar , X. L. Ji , H. Y. Jia , K. Jia , H. B. Jiang , K. Jiang , X. W. Jiang , Z. J. Jiang , M. Jin , S. Kaci , M. M. Kang , I. Karpikov , D. Khangulyan , D. Kuleshov , K. Kurinov , Cheng Li , Cong Li , D. Li , F. Li , H. B. Li , H. C. Li , Jian Li , Jie Li , K. Li , L. Li , R. L. Li , S. D. Li , T. Y. Li , W. L. Li , X. R. Li , Xin Li , Y. Li , Zhe Li , Zhuo Li , E. W. Liang , Y. F. Liang , S. J. Lin , B. Liu , C. Liu , D. Liu , D. B. Liu , H. Liu , J. Liu , J. L. Liu , J. R. Liu , M. Y. Liu , R. Y. Liu , S. M. Liu , W. Liu , X. Liu , Y. Liu , Y. Liu , Y. N. Liu , Y. Q. Lou , Q. Luo , Y. Luo , H. K. Lv , B. Q. Ma , L. L. Ma , X. H. Ma , I. O. Maliy , J. R. Mao , Z. Min , W. Mitthumsiri , Y. Mizuno , G. B. Mou , A. Neronov , K. C. Y. Ng , M. Y. Ni , L. Nie , L. J. Ou , Z. W. Ou , P. Pattarakijwanich , Z. Y. Pei , D. Y. Peng , J. C. Qi , M. Y. Qi , J. J. Qin , D. Qu , A. Raza , C. Y. Ren , D. Ruffolo , A. Sáiz , D. Savchenko , D. Semikoz , L. Shao , O. Shchegolev , Y. Z. Shen , X. D. Sheng , Z. D. Shi , F. W. Shu , H. C. Song , Yu. V. Stenkin , V. Stepanov , Y. Su , D. X. Sun , H. Sun , J. X. Sun , Q. N. Sun , X. N. Sun , Z. B. Sun , N. H. Tabasam , J. Takata , P. H. T. Tam , H. B. Tan , Q. W. Tang , R. Tang , Z. B. Tang , W. W. Tian , C. N. Tong , L. H. Wan , C. Wang , D. H. Wang , G. W. Wang , H. G. Wang , J. C. Wang , K. Wang , Kai Wang , Kai Wang , L. P. Wang , L. Y. Wang , L. Y. Wang , R. Wang , W. Wang , X. G. Wang , X. J. Wang , X. Y. Wang , Y. Wang , Y. D. Wang , Z. H. Wang , Z. X. Wang , Zheng Wang , D. M. Wei , J. J. Wei , Y. J. Wei , T. Wen , S. S. Weng , C. Y. Wu , H. R. Wu , Q. W. Wu , S. Wu , X. F. Wu , Y. S. Wu , S. Q. Xi , J. Xia , J. J. Xia , G. M. Xiang , D. X. Xiao , G. Xiao , Y. F. Xiao , Y. L. Xin , H. D. Xing , Y. Xing , D. R. Xiong , B. N. Xu , C. Y. Xu , D. L. Xu , R. F. Xu , R. X. Xu , S. S. Xu , W. L. Xu , L. Xue , D. H. Yan , T. Yan , C. W. Yang , C. Y. Yang , F. F. Yang , L. L. Yang , M. J. Yang , R. Z. Yang , W. X. Yang , Z. H. Yang , Z. G. Yao , X. A. Ye , L. Q. Yin , N. Yin , X. H. You , Z. Y. You , Q. Yuan , H. Yue , H. D. Zeng , T. X. Zeng , W. Zeng , X. T. Zeng , M. Zha , B. B. Zhang , B. T. Zhang , C. Zhang , H. Zhang , H. M. Zhang , H. Y. Zhang , J. L. Zhang , J. Y. Zhang , Li Zhang , P. F. Zhang , R. Zhang , S. R. Zhang , S. S. Zhang , S. Y. Zhang , W. Zhang , W. Y. Zhang , X. Zhang , X. P. Zhang , Yi Zhang , Yong Zhang , Z. P. Zhang , J. Zhao , L. Zhao , L. Z. Zhao , S. P. Zhao , X. H. Zhao , Z. H. Zhao , F. Zheng , T. C. Zheng , B. Zhou , H. Zhou , J. N. Zhou , M. Zhou , P. Zhou , R. Zhou , X. X. Zhou , X. X. Zhou , B. Y. Zhu , C. G. Zhu , F. R. Zhu , H. Zhu , K. J. Zhu , Y. C. Zou , X. Zuo , B. Li

The compact central source in the RX J0852-4622 supernova remnant

The central region of the recently discovered supernova remnant RX J0852.0-4622 was observed with the ACIS detector aboard the Chandra X-ray Observatory. We found only one relatively bright source, about 4' north of the SNR center, with a…

Astrophysics · Physics 2015-06-24 G. G. Pavlov , D. Sanwal , B. Kiziltan , G. P. Garmire

X-ray observations of the compact central object in supernova remnant G347.3-0.5

We present Chandra, XMM-Newton and RXTE observations of 1WGA J1713.4-3949, a compact source at the center of the galactic supernova remnant (SNR) G347.3-0.5. The X-ray spectrum of the source is well-fitted by the sum of a blackbody…

Astrophysics · Physics 2009-11-07 J. Lazendic , P. Slane , B. Gaensler , P. Plucinsky , J. P. Hughes , D. Galloway , F. Crawford

Prospects for CTA observations of the young SNR RX J1713.7-3946

We perform simulations for future Cherenkov Telescope Array (CTA) observations of RX~J1713.7$-$3946, a young supernova remnant (SNR) and one of the brightest sources ever discovered in very-high-energy (VHE) gamma rays. Special attention is…

High Energy Astrophysical Phenomena · Physics 2020-01-30 The CTA Consortium , : , F. Acero , R. Aloisio , J. Amans , E. Amato , L. A. Antonelli , C. Aramo , T. Armstrong , F. Arqueros , K. Asano , M. Ashley , M. Backes , C. Balazs , A. Balzer , A. Bamba , M. Barkov , J. A. Barrio , W. Benbow , K. Bernlöhr , V. Beshley , C. Bigongiari , A. Biland , A. Bilinsky , E. Bissaldi , J. Biteau , O. Blanch , P. Blasi , J. Blazek , C. Boisson , G. Bonanno , A. Bonardi , C. Bonavolontà , G. Bonnoli , C. Braiding , S. Brau-Nogué , J. Bregeon , A. M. Brown , V. Bugaev , A. Bulgarelli , T. Bulik , M. Burton , A. Burtovoi , G. Busetto , M. Böttcher , R. Cameron , M. Capalbi , A. Caproni , P. Caraveo , R. Carosi , E. Cascone , M. Cerruti , S. Chaty , A. Chen , X. Chen , M. Chernyakova , M. Chikawa , J. Chudoba , J. Cohen-Tanugi , S. Colafrancesco , V. Conforti , J. L. Contreras , A. Costa , G. Cotter , S. Covino , G. Covone , P. Cumani , G. Cusumano , F. D'Ammando , D. D'Urso , M. Daniel , F. Dazzi , A. De Angelis , G. De Cesare , A. De Franco , F. De Frondat , E. M. de Gouveia Dal Pino , C. De Lisio , R. de los Reyes Lopez , B. De Lotto , M. de Naurois , F. De Palma , M. Del Santo , C. Delgado , D. della Volpe , T. Di Girolamo , C. Di Giulio , F. Di Pierro , L. Di Venere , M. Doro , J. Dournaux , D. Dumas , V. Dwarkadas , C. Díaz , J. Ebr , K. Egberts , S. Einecke , D. Elsässer , S. Eschbach , D. Falceta-Goncalves , G. Fasola , E. Fedorova , A. Fernández-Barral , G. Ferrand , M. Fesquet , E. Fiandrini , A. Fiasson , M. D. Filipovíc , V. Fioretti , L. Font , G. Fontaine , F. J. Franco , L. Freixas Coromina , Y. Fujita , Y. Fukui , S. Funk , A. Förster , A. Gadola , R. Garcia López , M. Garczarczyk , N. Giglietto , F. Giordano , A. Giuliani , J. Glicenstein , R. Gnatyk , P. Goldoni , T. Grabarczyk , R. Graciani , J. Graham , P. Grandi , J. Granot , A. J. Green , S. Griffiths , S. Gunji , H. Hakobyan , S. Hara , T. Hassan , M. Hayashida , M. Heller , J. C. Helo , J. Hinton , B. Hnatyk , J. Huet , M. Huetten , T. B. Humensky , M. Hussein , J. Hörandel , Y. Ikeno , T. Inada , Y. Inome , S. Inoue , T. Inoue , Y. Inoue , K. Ioka , M. Iori , J. Jacquemier , P. Janecek , D. Jankowsky , I. Jung , P. Kaaret , H. Katagiri , S. Kimeswenger , S. Kimura , J. Knödlseder , B. Koch , J. Kocot , K. Kohri , N. Komin , Y. Konno , K. Kosack , S. Koyama , M. Kraus , H. Kubo , G. Kukec Mezek , J. Kushida , N. La Palombara , K. Lalik , G. Lamanna , H. Landt , J. Lapington , P. Laporte , S. Lee , J. Lees , J. Lefaucheur , J. -P. Lenain , G. Leto , E. Lindfors , T. Lohse , S. Lombardi , F. Longo , M. Lopez , F. Lucarelli , P. L. Luque-Escamilla , R. López-Coto , M. C. Maccarone , G. Maier , G. Malaguti , D. Mandat , G. Maneva , S. Mangano , A. Marcowith , J. Martí , M. Martínez , G. Martínez , S. Masuda , G. Maurin , N. Maxted , C. Melioli , T. Mineo , N. Mirabal , T. Mizuno , R. Moderski , M. Mohammed , T. Montaruli , A. Moralejo , K. Mori , G. Morlino , A. Morselli , E. Moulin , R. Mukherjee , C. Mundell , H. Muraishi , K. Murase , S. Nagataki , T. Nagayoshi , T. Naito , D. Nakajima , T. Nakamori , R. Nemmen , J. Niemiec , D. Nieto , M. Nievas-Rosillo , M. Nikołajuk , K. Nishijima , K. Noda , L. Nogues , D. Nosek , B. Novosyadlyj , S. Nozaki , Y. Ohira , M. Ohishi , S. Ohm , A. Okumura , R. A. Ong , R. Orito , A. Orlati , M. Ostrowski , I. Oya , M. Padovani , J. Palacio , M. Palatka , J. M. Paredes , S. Pavy , A. Pe'er , M. Persic , P. Petrucci , O. Petruk , A. Pisarski , M. Pohl , A. Porcelli , E. Prandini , J. Prast , G. Principe , M. Prouza , E. Pueschel , G. Pühlhofer , A. Quirrenbach , M. Rameez , O. Reimer , M. Renaud , M. Ribó , J. Rico , V. Rizi , J. Rodriguez , G. Rodriguez Fernandez , J. J. Rodríguez Vázquez , P. Romano , G. Romeo , J. Rosado , J. Rousselle , G. Rowell , B. Rudak , I. Sadeh , S. Safi-Harb , T. Saito , N. Sakaki , D. Sanchez , P. Sangiorgi , H. Sano , M. Santander , S. Sarkar , M. Sawada , E. J. Schioppa , H. Schoorlemmer , P. Schovanek , F. Schussler , O. Sergijenko , M. Servillat , A. Shalchi , R. C. Shellard , H. Siejkowski , A. Sillanpää , D. Simone , V. Sliusar , H. Sol , S. Stanič , R. Starling , Ł. Stawarz , S. Stefanik , M. Stephan , T. Stolarczyk , M. Szanecki , T. Szepieniec , G. Tagliaferri , H. Tajima , M. Takahashi , J. Takeda , M. Tanaka , S. Tanaka , L. A. Tejedor , I. Telezhinsky , P. Temnikov , Y. Terada , D. Tescaro , M. Teshima , V. Testa , S. Thoudam , F. Tokanai , D. F. Torres , E. Torresi , G. Tosti , C. Townsley , P. Travnicek , C. Trichard , M. Trifoglio , S. Tsujimoto , V. Vagelli , P. Vallania , L. Valore , W. van Driel , C. van Eldik , J. Vandenbroucke , V. Vassiliev , M. Vecchi , S. Vercellone , S. Vergani , C. Vigorito , S. Vorobiov , M. Vrastil , M. L. Vázquez Acosta , S. J. Wagner , R. Wagner , S. P. Wakely , R. Walter , J. E. Ward , J. J. Watson , A. Weinstein , M. White , R. White , A. Wierzcholska , P. Wilcox , D. A. Williams , R. Wischnewski , P. Wojcik , T. Yamamoto , H. Yamamoto , R. Yamazaki , S. Yanagita , L. Yang , T. Yoshida , M. Yoshida , S. Yoshiike , T. Yoshikoshi , M. Zacharias , L. Zampieri , R. Zanin , M. Zavrtanik , D. Zavrtanik , A. Zdziarski , A. Zech , H. Zechlin , V. Zhdanov , A. Ziegler , J. Zorn

Study of a new central compact object: The neutron star in the supernova remnant G15.9+0.2

We present our study of the central point source CXOU J181852.0-150213 in the young Galactic supernova remnant (SNR) G15.9+0.2 based on the recent ~90 ks Chandra observations. The point source was discovered in 2005 in shorter Chandra…

High Energy Astrophysical Phenomena · Physics 2016-08-17 D. Klochkov , V. Suleimanov , M. Sasaki , A. Santangelo

Unveiling the nature of RX J0002+6246 with XMM-Newton

The X-ray source RX J0002+6246 was discovered close to the supernova remnant CTB1 in a ROSAT observation performed in 1992. The source phenomenology (soft spectrum, apparent lack of counterparts, possible pulsations at 242 ms, hints for…

Astrophysics · Physics 2009-02-23 P. Esposito , A. De Luca , A. Tiengo , A. Paizis , S. Mereghetti , P. A. Caraveo

A Deep Optical Observation for an Enigmatic Unidentified Gamma-Ray Source 3EG J1835+5918

We report a deep optical imaging observation by the Subaru telescope for a very soft X-ray source RX J1836.2+5925, which has been suspected to be an isolated neutron star associated with the brightest as-yet unidentified EGRET source…

Astrophysics · Physics 2015-06-24 T. Totani , W. Kawasaki , N. Kawai

Gamma-ray emission from PSR J0007+7303 using 7 years of Fermi Large Area Telescope observations

Based on more than seven years of Fermi Large Area Telescope (LAT) Pass 8 data, we report on a detailed analysis of the bright gamma-ray pulsar (PSR) J0007+7303. We confirm that PSR J0007+7303 is significantly detected as a point source…

High Energy Astrophysical Phenomena · Physics 2017-02-22 Jian Li , Diego F. Torres , Emma de Ona Wilhelmi , Nanda Rea , Jonatan Martin