Results 31 to 40 of about 8,830 (213)

Non-detection of a pulsar-powered nebula in Puppis A, and implications for the nature of the radio-quiet neutron star RX J0822-4300 [PDF]

, 2000
We report on a deep radio search for a pulsar wind nebula associated with the radio-quiet neutron star RX J0822-4300 in the supernova remnant Puppis A. The well-determined properties of Puppis A allow us to constrain the size of any nebula to less than ...
B. M. Gaensler, B. W. Stappers, Bhattacharya D., Brazier K. T. S., D. C.-J. Bock, Frater R. H., Geppert U., Mereghetti S., Sault R. J., van Paradijs J.   +9 more
core   +3 more sources

THE THEORY OF PULSAR WIND NEBULAE [PDF]

International Journal of Modern Physics: Conference Series, 2014
I will review the current status of our theoretical understanding of Pulsar Winds and associated nebulae (PWNe). In recent years, axisymmetric models of pulsar winds with a latitude dependent energy flux have proved very successful at explaining the morphology of PWNe as seen in the X-rays.
openaire   +2 more sources

Theory of Pulsar Wind Nebulae [PDF]

AIP Conference Proceedings, 2008
Our understanding of Pulsar Wind Nebulae (PWNe), has greatly improved in the last years thanks to unprecedented high resolution images taken from the HUBBLE, CHANDRA and XMM satellites. The discovery of complex but similar inner features, with the presence of unexpected axisymmetric rings and jets, has prompted a new investigation into the dynamics of ...
Cumming, A., Bassa, C., Bucciantini, N., Bucciantini, N., Kaspi, V., Wang, Z.   +5 more
openaire   +2 more sources

Multi-wavelength observations of 2HWC J1928+177: dark accelerator or new TeV gamma-ray binary?

, 2020
2HWC J1928+177 is a Galactic TeV gamma-ray source detected by the High Altitude Water Cherenkov (HAWC) Observatory up to ~ 56 TeV. The HAWC source, later confirmed by H.E.S.S., still remains unidentified as a dark accelerator since there is no apparent ...
An, Hongjun, Dingus, Brenda L., Feng, Qi, Gotthelf, E. V., Hailey, Charles J., Hare, Jeremy, Kargaltsev, Oleg, Malone, Kelly, Mori, Kaya, Mukherjee, Reshmi, Prado, Raul R., Schutt, Yve E.   +11 more
core   +1 more source

Impact of Cosmic‐Ray Physics on Dark Matter Indirect Searches

Advances in High Energy Physics, Volume 2018, Issue 1, 2018., 2018
The quest for the elusive dark matter (DM) that permeates the Universe (and in general the search for signatures of physics beyond the Standard Model at astronomical scales) provides a unique opportunity and a tough challenge to the high energy astrophysics community.
Daniele Gaggero, Mauro Valli, Farinaldo Queiroz   +2 more
wiley   +1 more source

MHD Interaction of Pulsar Wind Nebulae with SNRs and the ISM

, 2005
In the late 1960s the discovery of the Crab pulsar in its associated supernova remnant, launched a new field in supernova remnant research: the study of pulsar-driven or plerionic supernova remnants.
Arzoumanian, Begelman, Blondin, Bucciantini, Bucciantini, Bucciantini, Chevalier, Chevalier, Cioffi, Del Zanna, E. van der Swaluw, Gaensler, Garcia-Segura, Heger, Hoshino, Kennel, Komissarov, McKee, McKee, Pacini, Rees, Reynolds, Stappers, Truelove, van der Swaluw, van der Swaluw, van der Swaluw, van der Swaluw, van der Swaluw   +28 more
core   +2 more sources

The Observer’s Guide to the Gamma‐Ray Burst Supernova Connection

Advances in Astronomy, Volume 2017, Issue 1, 2017., 2017
We present a detailed report of the connection between long‐duration gamma‐ray bursts (GRBs) and their accompanying supernovae (SNe). The discussion presented here places emphasis on how observations, and the modelling of observations, have constrained what we know about GRB‐SNe.
Zach Cano, Shan-Qin Wang, Zi-Gao Dai, Xue-Feng Wu, Josep M. Trigo-Rodríguez   +4 more
wiley   +1 more source

Diverse Features of the Multiwavelength Afterglows of Gamma‐Ray Bursts: Natural or Special?

Advances in Astronomy, Volume 2016, Issue 1, 2016., 2016
The detection of optical rebrightenings and X‐ray plateaus in the afterglows of gamma‐ray bursts (GRBs) challenges the generic external shock model. Recently, we have developed a numerical method to calculate the dynamics of the system consisting of a forward shock and a reverse shock.
J. J. Geng, Y. F. Huang, WeiKang Zheng
wiley   +1 more source

PARTICLE TRANSPORT IN YOUNG PULSAR WIND NEBULAE [PDF]

The Astrophysical Journal, 2012
13 pages, ApJ, in press, corrected ...
Tang, Xiaping, Chevalier, Roger A.
openaire   +2 more sources

X‐Ray Pulsar Profile Recovery Based on Tracking‐Differentiator

Mathematical Problems in Engineering, Volume 2016, Issue 1, 2016., 2016
The profile recovery is an important work in X‐ray pulsar‐based navigation. It is a key step for the analysis on the pulsar signal’s characteristic and the computing of time of arrival (TOA). This paper makes an argument for an algorithm based on the tracking‐differentiator (TD) to recover the profile from the low Signal‐to‐Noise Ratio (SNR) signals ...
Dapeng Zhang, Wei Zheng, Yidi Wang, Lu Zhang, Yuming Qin   +4 more
wiley   +1 more source