Further GMRT observations of the Lockman Hole at 610 MHz

TL;DR

This paper reports additional GMRT observations of the Lockman Hole at 610 MHz, expanding the survey area, improving sensitivity, and providing a comprehensive catalog of nearly 5000 radio sources for astrophysical studies.

Contribution

The study extends previous observations by covering a larger area with improved sensitivity, resulting in a new, extensive radio source catalog of 4934 sources.

Findings

Expanded survey area to 13 deg^2

Detected 4934 radio sources

Achieved rms noise of ~80 microJy/beam

Abstract

We present further observations of the Lockman Hole field, made with the Giant Metrewave Radio Telescope at 610 MHz with a resolution of 6 x 5 arcsec^2. These complement our earlier observations of the central approx 5 deg^2 by covering a further approx 8 deg^2, with an r.m.s. noise down to ~80 microJy beam^-1. A catalogue of 4934 radio sources is presented.