Related papers: The Crab Nebula: 3-dimensional Modeling

Et tu, Brute?: The Crab Nebula also exploded by jittering jets

We identify a point-symmetrical morphology comprised of seven pairs of opposite bays in the core-collapse supernova (CCSN) remnant Crab Nebula, which is consistent with the jittering jets explosion mechanism (JJEM) of CCSNe. We use a…

High Energy Astrophysical Phenomena · Physics 2024-11-13 Dmitry Shishkin , Noam Soker

Thermal synchrotron radiation from RRMHD simulations of the double tearing mode reconnection - Application to the Crab flares

We study the magneto-hydrodynamic tearing instability occurring in a double current sheet configuration when a guide field is present. This is investigated by means of resistive relativistic magneto-hydrodynamic (RRMHD) simulations.…

High Energy Astrophysical Phenomena · Physics 2015-10-28 Makoto Takamoto , J. Pétri , H. Baty

Spectral Evolution of the September 2010 gamma-ray flare from the Crab Nebula (V2)

Strong gamma-ray flares from the Crab Nebula have been recently discovered by AGILE and confirmed by Fermi-LAT. We study here the spectral evolution in the gamma-ray energy range above 50 MeV of the September 2010 flare that was…

High Energy Astrophysical Phenomena · Physics 2015-05-27 V. Vittorini , M. Tavani , G. Pucella , I. Donnarumma

The observation of the Crab Nebula with LHAASO-KM2A for the performance study

As a sub-array of the Large High Altitude Air Shower Observatory (LHAASO), KM2A is mainly designed to cover a large fraction of the northern sky to hunt for gamma-ray sources at energies above 10 TeV. Even though the detector construction…

High Energy Astrophysical Phenomena · Physics 2021-02-09 F. Aharonian , Q. An , Axikegu , L. X. Bai , Y. X. Bai , Y. W. Bao , D. Bastieri , X. J. Bi , Y. J. Bi , H. Cai , J. T. Cai , Z. Cao , Z. Cao , J. Chang , J. F. Chang , X. C. Chang , B. M. Chen , J. Chen , L. Chen , L. Chen , L. Chen , M. J. Chen , M. L. Chen , Q. H. Chen , S. H. Chen , S. Z. Chen , T. L. Chen , X. L. Chen , Y. Chen , N. Cheng , Y. D. Cheng , S. W. Cui , X. H. Cui , Y. D. Cui , B. Z. Dai , H. L. Dai , Z. G. Dai , Danzengluobu , D. della Volpe , B. D'Ettorre Piazzoli , X. J. Dong , J. H. Fan , Y. Z. Fan , Z. X. Fan , J. Fang , K. Fang , C. F. Feng , L. Feng , S. H. Feng , Y. L. Feng , B. Gao , C. D. Gao , Q. Gao , W. Gao , M. M. Ge , L. S. Geng , G. H. Gong , Q. B. Gou , M. H. Gu , J. G. Guo , X. L. Guo , Y. Q. Guo , Y. Y. Guo , Y. A. Han , H. H. He , H. N. He , J. C. He , S. L. He , X. B. He , Y. He , M. Heller , Y. K. Hor , C. Hou , X. Hou , H. B. Hu , S. Hu , S. C. Hu , X. J. Hu , D. H. Huang , Q. L. Huang , W. H. Huang , X. T. Huang , Z. C. Huang , F. Ji , X. L. Ji , H. Y. Jia , K. Jiang , Z. J. Jiang , C. Jin , D. Kuleshov , K. Levochkin , B. B. Li , C. Li , C. Li , F. Li , H. B. Li , H. C. Li , H. Y. Li , J. Li , K. Li , W. L. Li , X. Li , X. Li , X. R. Li , Y. Li , Y. Z. Li , Z. Li , Z. Li , E. W. Liang , Y. F. Liang , S. J. Lin , B. Liu , C. Liu , D. Liu , H. Liu , H. D. Liu , J. Liu , J. L. Liu , J. S. Liu , J. Y. Liu , M. Y. Liu , R. Y. Liu , S. M. Liu , W. Liu , Y. N. Liu , Z. X. Liu , W. J. Long , R. Lu , H. K. Lv , B. Q. Ma , L. L. Ma , X. H. Ma , J. R. Mao , A. Masood , W. Mitthumsiri , T. Montaruli , Y. C. Nan , B. Y. Pang , P. Pattarakijwanich , Z. Y. Pei , M. Y. Qi , D. Ruffolo , V. Rulev , A. Sáiz , L. Shao , O. Shchegolev , X. D. Sheng , J. R. Shi , H. C. Song , Yu. V. Stenkin , V. Stepanov , Q. N. Sun , X. N. Sun , Z. B. Sun , P. H. T. Tam , Z. B. Tang , W. W. Tian , B. D. Wang , C. Wang , H. Wang , H. G. Wang , J. C. Wang , J. S. Wang , L. P. Wang , L. Y. Wang , R. N. Wang , W. Wang , W. Wang , X. G. Wang , X. J. Wang , X. Y. Wang , Y. D. Wang , Y. J. Wang , Y. P. Wang , Z. Wang , Z. Wang , Z. H. Wang , Z. X. Wang , D. M. Wei , J. J. Wei , Y. J. Wei , T. Wen , C. Y. Wu , H. R. Wu , S. Wu , W. X. Wu , X. F. Wu , S. Q. Xi , J. Xia , J. J. Xia , G. M. Xiang , G. Xiao , H. B. Xiao , G. G. Xin , Y. L. Xin , Y. Xing , D. L. Xu , R. X. Xu , L. Xue , D. H. Yan , C. W. Yang , F. F. Yang , J. Y. Yang , L. L. Yang , M. J. Yang , R. Z. Yang , S. B. Yang , Y. H. Yao , Z. G. Yao , Y. M. Ye , L. Q. Yin , N. Yin , X. H. You , Z. Y. You , Y. H. Yu , Q. Yuan , H. D. Zeng , T. X. Zeng , W. Zeng , Z. K. Zeng , M. Zha , X. X. Zhai , B. B. Zhang , H. M. Zhang , H. Y. Zhang , J. L. Zhang , J. W. Zhang , L. Zhang , L. Zhang , L. X. Zhang , P. F. Zhang , P. P. Zhang , R. Zhang , S. R. Zhang , S. S. Zhang , X. Zhang , X. P. Zhang , Y. Zhang , Y. Zhang , Y. F. Zhang , Y. L. Zhang , B. Zhao , J. Zhao , L. Zhao , L. Z. Zhao , S. P. Zhao , F. Zheng , Y. Zheng , B. Zhou , H. Zhou , J. N. Zhou , P. Zhou , R. Zhou , X. X. Zhou , C. G. Zhu , F. R. Zhu , H. Zhu , K. J. Zhu , X. Zuo

SN 1054 as a Pulsar-Driven Supernova: Implications for the Crab Pulsar and Remnant Evolution

One of the most studied objects in astronomy, the Crab Nebula, is the remnant of the historical supernova SN 1054. Historical observations of the supernova imply a typical supernova luminosity, but contemporary observations of the remnant…

High Energy Astrophysical Phenomena · Physics 2024-12-03 Conor M. B. Omand , Nikhil Sarin , Tea Temim

New optical polarization measurements of the Crab pulsar

The Crab nebula and its pulsar have been observed for about 3 hours with the high-speed photo-polarimeter OPTIMA in January 2002 at the Calar Alto 3.5m telescope. The Crab pulsar intensity and polarization are determined at all phases of…

Astrophysics · Physics 2009-01-14 G. Kanbach , A. Slowikowska , S. Kellner , H. Steinle

Gamma-ray flares from pulsar wind nebulae in the Large Magellanic Cloud

High-energy radiation of young pulsar wind nebulae (PWNe) is known to be variable. This is most prominently exemplified by the Crab nebula which can undergo both rapid brightenings and dimmings. Two pulsars in the Large Magellanic Cloud,…

High Energy Astrophysical Phenomena · Physics 2023-02-27 B. A. Nizamov , M. S. Pshirkov

Crab nebula at 260 GHz with the NIKA2 polarimeter. Implications for the polarization angle calibration of future CMB experiments

The quest for primordial gravitational waves enclosed in the Cosmic Microwave Background (CMB) polarization B-modes signal motivates the development of a new generation of high sensitive experiments (e.g. CMB-S4, LiteBIRD) that would allow…

Cosmology and Nongalactic Astrophysics · Physics 2022-02-09 A. Ritacco , R. Adam , P. Ade , H. Ajeddig , P. André , E. Artis , J. Aumont , H. Aussel , A. Beelen , A. Benoît , S. Berta , L. Bing , O. Bourrion , M. Calvo , A. Catalano , M. De Petris , F. -X. Désert , S. Doyle , E. F. C. Driessen , A. Gomez , J. Goupy , F. Kéruzoré , C. Kramer , B. Ladjelate , G. Lagache , S. Leclercq , J. -F. Lestrade , J. -F. Macías-Pérez , A. Maury , P. Mauskopf , F. Mayet , A. Monfardini , M. Muñoz-Echeverría , L. Perotto , G. Pisano , N. Ponthieu , V. Revéret , A. J. Rigby , C. Romero , H. Roussel , F. Ruppin , K. Schuster , S. Shu , A. Sievers , C. Tucker , R. Zylka

Twelve-hour spikes from the Crab Pevatron

Aims. The Crab nebula displayed a large gamma-ray flare on September 18, 2010. To more closely understand the origin of this phenomenon, we analyze the INTEGRAL (20-500 keV) and FERMI (0.1-300 GeV) data collected almost simultaneously…

High Energy Astrophysical Phenomena · Physics 2015-05-20 M. Balbo , R. Walter , C. Ferrigno , P. Bordas

The Crab Pulsar and Nebula as seen in gamma-rays

Slightly more than 30 years ago, Whipple detection of the Crab Nebula was the start of Very High Energy gamma-ray astronomy. Since then, gamma-ray observations of this source have continued to provide new surprises and challenges to…

High Energy Astrophysical Phenomena · Physics 2021-11-16 Elena Amato , Barbara Olmi

Optical Polarimetry of the Inner Crab Nebula and Pulsar

Time-resolved polarisation measurements of pulsars offer an unique insight into the geometry of their emission regions. Such measure\ ments provide observational constraints on the different models proposed for the pulsar emission…

High Energy Astrophysical Phenomena · Physics 2013-05-30 Paul Moran , Andy Shearer , Roberto Mignani , Agnieszka Słowikowska , Andrea De Luca , Christian. Gouiffès , Philippe Laurent

3-D SPH simulations of colliding winds in eta Carinae

We study colliding winds in the superluminous binary eta Carinae by performing three-dimensional, Smoothed Particle Hydrodynamics (SPH) simulations. For simplicity, we assume both winds to be isothermal. We also assume that wind particles…

Astrophysics · Physics 2009-11-13 Atsuo T. Okazaki , Stanley P. Owocki , Christopher M. P. Russell , Michael F. Corcoran

On the variability of the GeV and multi-TeV gamma-ray emission from the Crab Nebula

Recently the AGILE $\gamma$-ray telescope has reported the enhanced $\gamma$-ray emission above 100 MeV from the direction of the Crab Nebula during a period of a few days. This intriguing observation has been confirmed by the Fermi-LAT…

High Energy Astrophysical Phenomena · Physics 2015-05-20 W. Bednarek , W. Idec

Near-Infrared, Kilosecond Variability of the Wisps and Jet in the Crab Pulsar Wind Nebula

We present a time-lapse sequence of 20 near-infrared (J- and K'-band) snapshots of the central 20x20 arcsec of the Crab pulsar wind nebula, taken at subarcsecond resolution with the Hokupa'a/QUIRC adaptive optics camera on the Gemini North…

Astrophysics · Physics 2009-11-13 A. Melatos , D. Scheltus , M. T. Whiting , S. S. Eikenberry , R. W. Romani , F. Rigaut , A. Spitkovsky , J. Arons , D. J. B. Payne

Probing the Turbulent Corona and Heliosphere Using Radio Spectral Imaging Observation during the Solar Conjunction of Crab Nebula

Measuring plasma parameters in the upper solar corona and inner heliosphere is challenging because of the region's weakly emissive nature and inaccessibility for most in situ observations. Radio imaging of broadened and distorted background…

Solar and Stellar Astrophysics · Physics 2025-09-12 Peijin Zhang , Surajit Mondal , Bin Chen , Sijie Yu , Dale Gary , Marin M. Anderson , Judd D. Bowman , Ruby Byrne , Morgan Catha , Xingyao Chen , Sherry Chhabra , Larry D'Addario , Ivey Davis , Jayce Dowell , Katherine Elder , Greg Hellbourg , Jack Hickish , Rick Hobbs , David Hodge , Mark Hodges , Yuping Huang , Andrea Isella , Daniel C. Jacobs , Ghislain Kemby , John T. Klinefelter , Matthew Kolopanis , Nikita Kosogorov , James Lamb , Casey J. Law , Nivedita Mahesh , Brian O'Donnell , Kathryn Plant , Corey Posner , Travis Powell , Vinand Prayag , Andres Rizo , Andrew Romero-Wolf , Jun Shi , Greg Taylor , Jordan Trim , Mike Virgin , Akshatha Vydula , Sandy Weinreb , David Woody

Six years of VERITAS observations of the Crab Nebula

The Crab Nebula is the brightest source in the very-high-energy (VHE) gamma-ray sky and one of the best studied non-thermal objects. The dominant VHE emission mechanism is believed to be inverse Compton scattering of low energy photons on…

High Energy Astrophysical Phenomena · Physics 2026-03-31 Kevin Meagher

Dusty globules in the Crab Nebula

From existing broad-band images obtained with the Hubble Space Telescope, we located 92 globules, for which we derived positions, dimensions, orientations, extinctions, masses, proper motions, and their distributions. The globules have mean…

Solar and Stellar Astrophysics · Physics 2017-03-15 Tiia Grenman , Gösta F. Gahm , Erik Elfgren

Cross-calibration of the X-ray Instruments onboard the Chandra, INTEGRAL, RXTE, Suzaku, Swift, and XMM-Newton Observatories using G21.5-0.9

Context. The Crab nebula has been used as a celestial calibration source of the X-ray flux and spectral shape for many years by X-ray astronomy missions. However, the object is often too bright for current and future missions equipped with…

High Energy Astrophysical Phenomena · Physics 2015-05-19 Masahiro Tsujimoto , Matteo Guainazzi , Paul P. Plucinsky , Andrew P. Beardmore , Manabu Ishida , Lorenzo Natalucci , Jennifer L. L. Posson-Brown , Andrew M. Read , Richard D. Saxton , Nikolai V. Shaposhnikov

A Precise Proper Motion for the Crab Pulsar, and the Difficulty of Testing Spin-Kick Alignment for Young Neutron Stars

We present a detailed measurement of the proper motion of the Crab pulsar, with the primary goal of comparing the direction of its proper motion with the projected axis of its pulsar wind nebula (the projected spin axis of the pulsar). We…

Astrophysics · Physics 2009-11-13 D. L. Kaplan , S. Chatterjee , B. M. Gaensler , J. Anderson

The Infrared to Gamma-Ray Pulse Shape of the Crab Nebula Pulsar

We analyze the pulse shape of the Crab Nebula pulsar in the near-infrared, optical, ultraviolet, X-ray, and gamma-ray bands, including previously unpublished ROSAT HRI observations. We show that, in addition to the previously known trend…

Astrophysics · Physics 2009-10-28 Stephen S. Eikenberry , Giovanni G. Fazio