Abstract
Pulsed γ-ray emission from NP 0532 has been detected up to 100 MeV. For the main pulse from 10 to 30 MeV the signal to noise is (5–6σ). The energy spectrum of the main pulse from 1 keV to 100 MeV can be fitted by a single power law of index (−0.9).
This is a preview of subscription content, access via your institution
Access options
Subscribe to this journal
Receive 51 print issues and online access
$199.00 per year
only $3.90 per issue
Buy this article
- Purchase on Springer Link
- Instant access to full article PDF
Prices may be subject to local taxes which are calculated during checkout
Similar content being viewed by others
References
Kurfess, J. D., Astrophys. J. Lett., 168, L39 (1971).
Orwig, L. E., Chupp, E. L., and Forrest, D. J., Bull. Amer. Phys. Soc., 17, 524 (1972).
Leray, J. P., Vasseur, J., Paul, J., Parlier, B., Forichon, M., Agrinier, B., Boella, G., Maraschi, L., Treves, A., Buccheri, L., Cuccia, A., and Scarsi, L., Astron. Astrophys., 16, 433 (1972).
Browning, R., Ramsden, D., and Wright, P. J., Nature Physical Science, 232, 99 (1971).
Kinzer, R. L., Seeman, N., and Share, G. H., 12th Internat. Conf. on Cosmic Rays (Hobart, Tasmania, 1971).
Fichtel, C. E., Hartman, R. C., Kniffen, D. A., and Sommer, M., Astrophys. J., 171, 31 (1972).
Kettenring, G., Mayer-Hasselwander, H. A., Pfeffermann, E., Pinkau, K., Rothermel, H., and Sommer, M., 12th Internat. Conf. on Cosmic Rays (Hobart, Tasmania, 1971).
Helmken, H. F., and Hoffman, J. A., 12th Internat. Conf. on Cosmic Rays (Hobart, Tasmania, 1971).
Grindlay, J. E., Astrophys. J. Lett., 174, L9 (1972).
Weekes, T. C., Fazio, G. G., Helmken, H. F., O'Mongain, E., and Rieke, H. H., Astrophys. J., 174, 165 (1972).
Fazio, G. G., Helmken, H. F., O'Mongain, E., and Weekes, T. C., Astrophys. J. Lett., 175, L117 (1972).
Frye, G. M., and Wang, C. P., Astrophys. J., 158, 925 (1969).
Frye, G. M., Staib, J. A., Zych, A. D., Hopper, V. D., Rawlinson, W. R., and Thomas, J. A., Nature, 223, 1320 (1969).
Manchester, R. N., Huguenin, G. R., and Taylor, J. H., Astrophys. J. Lett., 174, L19 (1972).
Horowitz, P., Papaliolios, C., and Carleton, N. P., Astrophys. J. Lett., 172, L51 (1972).
Fritz, G., Meekins, J. F., Chubb, T. A., and Friedman, H., and Henry, R. C., Astrophys. J. Lett., 164, L55 (1971).
Rappaport, S., Bradt, H., and Mayer, W., Nature Physical Science, 229, 40 (1971).
Boclet, D., Brucy, G., Claisse, J., Durouchoux, Ph., and Rocchia, R., Nature Physical Science, 235, 69 (1972).
Fishman, G. J., Harnden, F. R., Johnson, III, W. N., and Haymes, R. C., Astrophys. J. Lett., 158, L61 (1969).
Hillier, R. R., Jackson, W. R., Murray, A., Redfern, R. M., and Sale, R. G., Astrophys. J. Lett., 162, L177 (1970).
Sturrock, P. A., Astrophys. J., 164, 529 (1971).
McBreen, B., Nature, 224, 893 (1969).
Pollack, J. B., Guthrie, P. D., and Shen, B. S., Astrophys. J. Lett., 169, L113 (1971).
Stecker, F. W., and Tsuruta, S., Nature Physical Science, 235, 8 (1972).
Smathers, H. W., Chubb, T. A., and Sadeh, D., Nature Physical Science, 232, 120 (1971).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
ALBATS, P., FRYE, G., ZYCH, A. et al. Detection of 10–100 MeV γ-Rays from the Crab Nebula Pulsar NP 0532. Nature 240, 221–224 (1972). https://doi.org/10.1038/240221a0
Received:
Issue Date:
DOI: https://doi.org/10.1038/240221a0
This article is cited by
-
Gamma-rays from neutron stars
The Astronomy and Astrophysics Review (1995)
-
Are PSR 0656+14, PSR 0950+08, and PSR 1822-09 gamma-ray pulsars?
Astrophysics and Space Science (1993)
-
Gamma rays from millisecond pulsars
Journal of Astrophysics and Astronomy (1991)
-
High-energy γ-ray light curve of PSR0531 + 21
Nature (1982)
-
Inverse compton effect and Crab pulsar radiation
Astrophysics (1977)
Comments
By submitting a comment you agree to abide by our Terms and Community Guidelines. If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate.