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Cited by 398

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Discovery of Spatial and Spectral Structure in the X-Ray Emission from the Crab Nebula

Open access
Weisskopf, Martin C., Hester, J. Jeff, Tennant, Allyn F., Elsner, Ronald F., Schulz, Norbert S., Marshall, Herman L., Karovska, Margarita, Nichols, Joy S., Swartz, Douglas A., Kolodziejczak, Jeffery J., O’Dell, Stephen L.·2000·The Astrophysical Journal

Abstract

The Chandra X-Ray Observatory observed the Crab Nebula and pulsar during orbital calibration. Zeroth-order images with the High-Energy Transmission Grating (HETG) readout by the Advanced CCD Imaging Spectrometer spectroscopy array (ACIS-S) show a striking richness of X-ray structure at a resolution comparable to that of the best ground-based visible-light observations. The HETG-ACIS-S images reveal, for the first time, an X-ray inner ring within the X-ray torus, the suggestion of a hollow-tube structure for the torus, and X-ray knots along the inner ring and (perhaps) along the inward extension of the X-ray jet. Although complicated by instrumental effects and the brightness of the Crab Nebula, the spectrometric analysis shows systematic variations of the X-ray spectrum throughout the nebula.

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Metadata

Authors
Weisskopf, M. C., Hester, J. J., Tennant, A. F., Elsner, R. F., Schulz, N. S., Marshall, H. L., Karovska, M., Nichols, J. S., Swartz, D. A., Kolodziejczak, J. J., & O’Dell, S. L.
Venue
The Astrophysical Journal
Published
2000-06-20
Volume
536
Issue
2
Pages
L81-L84
ISSN
0004-637X (ISSN-L)
OpenAlex
W2129427380
Cited by
398
References
2
FWCI
15.25
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Discovery of Spatial and Spectral Structure in the X-Ray Emission from the Crab Nebula. https://app.cochat.ai/papers/10.1086/312733
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Weisskopf, M. C., Hester, J. J., Tennant, A. F., Elsner, R. F., Schulz, N. S., Marshall, H. L., Karovska, M., Nichols, J. S., Swartz, D. A., Kolodziejczak, J. J., & O’Dell, S. L. (2000). Discovery of Spatial and Spectral Structure in the X-Ray Emission from the Crab Nebula. The Astrophysical Journal. https://doi.org/10.1086/312733

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