Markarian Multiwavelength Data Center (MMDC)

Name: MMDC multiwavelength SED data of blazars
Creator: ICRANet Armenia
License: https://creativecommons.org/licenses/by/4.0/

MMDC is a free web platform by ICRANet Armenia for building and analyzing the multiwavelength spectral energy distributions (SEDs) of blazars, active galactic nuclei whose relativistic jets point almost exactly at Earth.

Features

Search a source by name or sky position and build its time-resolved SED and light curves, from radio to gamma-rays, with interactive plots, time filtering and CSV download.
Archival data from over 80 catalogs and databases (through the VOU-Blazars tool), optical data from ASAS-SN, ZTF and Pan-STARRS, infrared data from WISE/NEOWISE, and newly analyzed Swift UVOT, Swift XRT, NuSTAR and Fermi-LAT data.
On-demand Swift UVOT and XRT analysis of any sky position, through the API and the Python SDK.
Blazar broadband emission modeling with machine-learning (CNN) leptonic (SSC, EIC) and lepto-hadronic models, including fits to your own data.
Search of the related astrophysics literature.
A Python SDK, astro-mmdc.

How to cite

Sahakyan, N., Vardanyan, V., Giommi, P., et al. 2024, AJ, 168, 289, doi:10.3847/1538-3881/ad8231 (arXiv:2410.01207).