454 citations
- Inter-University Centre for Astronomy and AstrophysicsIN16 papers
- Indian Institute of Technology KharagpurIN9 papers
- National Centre for Radio AstrophysicsIN9 papers
- Jadavpur UniversityIN8 papers
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- Center for Astrophysics Harvard & SmithsonianUS7 papers
- Indian Institute of Technology IndoreIN7 papers
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16 papers · 1 filter
Spectral Energy Distribution Modeling of Broad Emission Line Quasars: From X-ray to Radio Wavelengths
Avinanda Chakraborty, Maitreya Kundu, Suchetana Chatterjee +4
We study the differences in physical properties of quasar-host galaxies using an optically selected sample of radio loud (RL) and radio quiet (RQ) quasars (in the redshift range 0.…
Remnants of recent mergers in nearby early-type galaxies and their classification
Gourab Giri, Sudhanshu Barway, Somak Raychaudhury
We search for signatures of recent galaxy close interactions and mergers in a sample of 202 early-type galaxies in the local universe from the public SDSS Stripe82 deep images ($μ_…
Properties of atomic hydrogen gas in the Galactic plane from THOR 21-cm absorption spectra: a comparison with the high latitude gas
Arghyadeep Basu, Nirupam Roy, Henrik Beuther +5
The neutral hydrogen 21 cm line is an excellent tracer of the atomic interstellar medium in the cold and the warm phases. Combined 21 cm emission and absorption observations are ve…
Radio Dichotomy in Quasars with H FWHM greater than km\,s
A. Chakraborty, A. Bhattacharjee, M. S. Brotherton +3
It has been inferred from large unbiased samples that - of all quasars are radio-loud (RL). Using the quasar catalog from the Sloan Digital Sky Survey, we show that the…
The Complete Local Volume Groups Sample -- IV. Star formation and gas content in group-dominant galaxies
Konstantinos Kolokythas, Sravani Vaddi, Ewan O'Sullivan +5
Using multi-band data we examine the star formation activity of the nearby group-dominant early-type galaxies of the Complete Local-volume Groups Sample (CLoGS), and the relation b…
Properties of Very Broad Line MgII Radio-Loud and Radio-Quiet Quasars
Avinanda Chakraborty, Anirban Bhattacharjee, Suchetana Chatterjee
We perform an analysis of the properties of radio-loud (RL) and radio-quiet (RQ) quasars with MgII broad emission line (i-band magnitude and z ), selected fro…