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Comparative analysis of BL Lacertae in flaring and non-flaring states: timing and spectral studies
A. Priyana Noel, Alicja Wierzcholska, Raj Prince
BL Lacertae is a blazar known for its high flux variability and occasional broadband flares of unknown origin. It was in an extended flaring state from July 2020 until the end of 2…
Blazar classification from multi-wavelength data using Deep Learning
Saqlain Afroz, Titir Mukherjee, Raj Prince
The Fermi Large Area Telescope (Fermi-LAT) has detected more than 7,000 gamma-ray sources, a significant fraction of which are identified as blazars, while a comparable number rema…
BL Lacertae under the Flare of 2024: Probing Temporal and Spectral Dynamics
Joysankar Majumdar, Sakshi Maurya, Raj Prince
In October 2024, the object BL Lacertae experienced the brightest flaring event in gamma-ray (100 MeV) with a historically bright -ray flux of 2.59 erg…
Flare genesis in relativistic jet: Disentangling the drivers of variability in the blazar 4C +27.50
Joysankar Majumdar, Sakshi Maurya, Raj Prince
Recently, blazar 4C +27.50 was found to be flaring in gamma-rays since its detection with Fermi-LAT in 2008. For the first time, a dedicated temporal and spectral study of the blaz…
Minute time scale variability in -ray flare of BL Lacertae
Joysankar Majumdar, Sakshi Maurya, Raj Prince
In October 2024, The object BL Lac experienced a brightest flaring event in gamma-ray (100 MeV) with a historical -ray flux of 10 erg cm s. Soon af…
On the origin of multifrequency temporal and spectral variability in Ton 599
Sakshi Maurya, Joysankar Majumdar, Varun +2
In this work, we studied the broadband temporal and spectral properties of the flat-spectrum radio quasar (FSRQ) Ton 599. We collected the long-term data from Jan 2019 to August 20…