Abstract Details

Name: Piyali Ganguly
Affiliation: Inter University Centre for Astronomy and Astrophysics
Conference ID : ASI2024_1025
Title : Far and Near UV sources in the UVIT deep field around IC4329a and their multi-wavelength counterparts
Authors : Piyali Ganguly1, Priyanka Rani1, Gulab Chand Dewangan1
Authors Affiliation: 1. Inter University centre for Astronomy and Astrophysics, Pune-411007, India
Mode of Presentation: Poster
Abstract Category : High Energy Phenomena, Fundamental Physics and Astronomy
Abstract : The primary aim of our project is to produce a catalogue of bright sources in far ultra-violet and near ultra-violet band as well as study their variability on short timescales. The excellent spatial resolution of UVIT onboard ASTROSAT and its unique feature of simultaneous imaging in both FUV and NUV band enables us to produce UV colour for our detected sources, as well as simultaneous variability studies in both the bands help us to study the nature of UV emission from these sources. We have analyzed the deep UVIT field around the Seyfert galaxy IC4329a and detected 4530 sources up to AB magnitude of 25.996 in NUV and 571 sources up to AB magnitude of 25.361 in FUV band above SNR of 5. We performed astrometry and photometry on all the detected sources and produced a catalogue containing their position, Far and near UV flux, magnitudes and UV colours. We are also investigating the UV variability for some bright sources in our field on short time scale. We found 676 sources in NUV and 66 sources in FUV that have Gaia counterparts. We also searched for X-ray counterparts and found  99 NUV sources and 26 in FUV sources that have been detected in XMM-Newton Serendipitous Source Catalogue.