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http://hdl.handle.net/2289/7967| Title: | Multiwavelength temporal and spectral analysis of Blazar S5 1803+78 |
| Authors: | Priya, Shruti Prince, Raj Agarwal, Aditi Bose, Debanjan Ozdonmez, Aykut Ege, Ergun |
| Keywords: | Galaxies: Active X-rays Galaxies Gamma-rays Galaxies galaxies: Jets BL Lacertae objects |
| Issue Date: | Jun-2022 |
| Publisher: | Oxford University Press on behalf of the Royal Astronomical Society |
| Citation: | Monthly Notices of Royal Astronomical Society, 2022, Vol. 513, p2239 |
| Abstract: | Blazars are a class of AGN, one of their jets is pointed towards the earth. Here, we report about the multiwavelength study for blazar S5 1803+78 between MJD 58727 and MJD 59419. We analysed gamma-ray data collected by Fermi-LAT, X-ray data collected by Swift-XRT & NuSTAR, and optical photons detected by Swift-UVOT & TUBITAK observatory in Turkey. Three flaring states are identified by analysing the gamma-ray light curve. A day-scale variability is observed throughout the flares with the similar rise and decay times suggesting a compact emission region located close to the central engine. Cross-correlation studies are carried out between gamma-ray, radio, and X-ray bands, and no significant correlation is detected. The gamma-ray and optical emission are significantly correlated with zero time lag suggesting a co-spatial origin of them. The broad-band spectral energy distribution (SED) modelling was performed for all the flaring episodes as well as for one quiescent state for comparison. SEDs are best fitted with the synchrotron-self Compton (SSC) model under a one-zone leptonic scenario. The SED modelling shows that to explain the high flaring state, strong Doppler boosting is required. |
| Description: | Restricted Access. An open-access version is available at arXiv.org (one of the alternative locations) |
| URI: | http://hdl.handle.net/2289/7967 |
| ISSN: | 0035-8711 1365-2966 (Online) |
| Alternative Location: | https://ui.adsabs.harvard.edu/abs/2022MNRAS.513.2239P/abstract https://arxiv.org/abs/2204.04739 https://doi.org/10.1093/mnras/stac1009 |
| Copyright: | 2022 The Author(s) |
| Appears in Collections: | Research Papers (A&A) |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| 2022_MNRAS_Vol.513_p2239.pdf Restricted Access | Restricted Access | 1.71 MB | Adobe PDF | View/Open Request a copy |
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