| Autor: |
Ge, Chong, Sun, Ming, Liu, Ruo-Yu, Rudnick, Lawrence, Sarazin, Craig, Forman, William, Jones, Christine, Chen, Hao, Liu, Wenhao, Yagi, Masafumi, Boselli, Alessandro, Fossati, Matteo, Gavazzi, Giuseppe |
| Předmět: |
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| Zdroj: |
Monthly Notices of the Royal Astronomical Society: Letters; Jun2019, Vol. 486 Issue 1, pL36-L40, 5p |
| Abstrakt: |
Multiwavelength observations show that Abell 1367 (A1367) is a dynamically young cluster, with at least two subclusters merging along the SE–NW direction. With the wide-field XMM–Newton mosaic of A1367, we discover a previously unknown merger shock at the NW edge of the cluster. We estimate the shock Mach number from the density and temperature jumps as M ρ = 1.21 ± 0.08 and M T = 1.60 ± 0.07, respectively. This shock region also corresponds to a radio relic discovered with the VLA and GBT , which could be produced by the shock re-acceleration of pre-existing seed relativistic electrons. We suggest that some of the seed relativistic electrons originate from late-type, star-forming galaxies in this region. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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