English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

We report the discovery of a fourth eastern arc (Arc E) towards the cool-corecluster Abell 2626 using 610 MHz Giant Metrewave Radio Telescope observations.Three arcs towards north, west and south were known from earlier works at 1400MHz and proposed to have originated in precessing radio jets of the centralactive galactic nucleus. The 610 - 1400 MHz integrated spectral indices of thearcs are in the range 3.2 - 3.6 and the spectral index map shows uniformdistribution along the lengths of the arcs. If associated with A2626, the arcshave linear extents in the range 79 - 152 kpc. The detection of Arc E favoursthe scenario in which a pair of bipolar precessing jets were active and haltedto produce the arc system. Based on the morphological symmetry and spectralsimilarity, we indicate a possible role of gravitational lensing. Further highresolution low frequency observations and measurements of the mass of thesystem are needed to disentangle the mystery of this source.

Discovery of a fourth arc in Abell 2626 at 610 MHz with the GMRT: Spectral properties and possibilities for the origin