Skip to main content Accessibility help
×
Home

Extreme Relic Radio Sources in Four Southern Clusters

  • H. Andernach (a1), O.B. Slee (a2), A.L. Roy (a3) and M. Ehle (a4)

Abstract

We describe the highest-resolution radio observations yet made of relic radio sources. These relics have extremely steep (α ≤ −2.5) spectra and are located in four southern Abell clusters (A 13, A 85, A133, A 4038). VLA images at 1.4 GHz and ∼4″ resolution show a remarkable variety of fine structure like arcs, wisps, plumes, and loops. Integrated polarization fractions range from 2.3% to 16.8%. Deep red CCD images do not reveal any optical object with a brightness and/or position typical of a radio host galaxy. The X-ray centroids in ROSAT images tend to be displaced from the cluster potential wells in the direction of the relics in A85, A133 and A4038, suggesting that some of the X-rays may be inverse Compton or excess thermal emission from the relic itself.

    • Send article to Kindle

      To send this article to your Kindle, first ensure no-reply@cambridge.org is added to your Approved Personal Document E-mail List under your Personal Document Settings on the Manage Your Content and Devices page of your Amazon account. Then enter the ‘name’ part of your Kindle email address below. Find out more about sending to your Kindle. Find out more about sending to your Kindle.

      Note you can select to send to either the @free.kindle.com or @kindle.com variations. ‘@free.kindle.com’ emails are free but can only be sent to your device when it is connected to wi-fi. ‘@kindle.com’ emails can be delivered even when you are not connected to wi-fi, but note that service fees apply.

      Find out more about the Kindle Personal Document Service.

      Extreme Relic Radio Sources in Four Southern Clusters
      Available formats
      ×

      Send article to Dropbox

      To send this article to your Dropbox account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your <service> account. Find out more about sending content to Dropbox.

      Extreme Relic Radio Sources in Four Southern Clusters
      Available formats
      ×

      Send article to Google Drive

      To send this article to your Google Drive account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your <service> account. Find out more about sending content to Google Drive.

      Extreme Relic Radio Sources in Four Southern Clusters
      Available formats
      ×

Copyright

References

Hide All
Bagchi, J., Pislar, V., & Lima Neto, G.B. 1998, MNRAS, 296, L23
Ebeling, H., et al. 1996, MNRAS, 281, 799
Fusco-Feminano, R., et al. 1999, ApJ, 513, L21
Rephaeli, Y., Gruber, D., Blanco, P. 1999, ApJ, 511, L21
Slee, O.B., & Reynolds, J.E., 1984, PASAu, 5, 516
Slee, O.B., Roy, A.L., & Savage, A. 1994, Aust. J. Phys., 47, 145
Slee, O.B., & Roy, A.L. 1998, MNRAS, 297, L86
Slee, O.B., & Roy, A.L., Andernach, H., & Ehle, M. 2000, AJ, submitted

Extreme Relic Radio Sources in Four Southern Clusters

  • H. Andernach (a1), O.B. Slee (a2), A.L. Roy (a3) and M. Ehle (a4)

Metrics

Full text views

Total number of HTML views: 0
Total number of PDF views: 0 *
Loading metrics...

Abstract views

Total abstract views: 0 *
Loading metrics...

* Views captured on Cambridge Core between <date>. This data will be updated every 24 hours.

Usage data cannot currently be displayed