Items where Author is "Choudhuri, Samir"

Article

Chatterjee, Suman ; Bharadwaj, Somnath ; Choudhuri, Samir ; Sethi, Shiv ; Patwa, Akash Kumar (2022) The tracking tapered gridded estimator (TTGE) for the power spectrum from drift scan observations Monthly Notices of the Royal Astronomical Society . ISSN 0035-8711

Chakraborty, Arnab ; Datta, Abhirup ; Roy, Nirupam ; Bharadwaj, Somnath ; Choudhury, Tirthankar Roy ; Datta, Kanan K. ; Pal, Srijita ; Choudhury, Madhurima ; Choudhuri, Samir ; Dutta, Prasun ; Sarkar, Debanjan (2021) First Multi-redshift Limits on Post–Epoch of Reionization 21 cm Signal from z = 1.96–3.58 Using uGMRT The Astrophysical Journal, 907 (1). L7. ISSN 2041-8213

Ali, Sk Saiyad ; Intema, Huib T ; Bharadwaj, Somnath ; Roy, Nirupam ; Ghosh, Abhik ; Choudhuri, Samir (2020) All-sky angular power spectrum – I. Estimating brightness temperature fluctuations using the 150-MHz TGSS survey Monthly Notices of the Royal Astronomical Society, 494 (2). pp. 1936-1945. ISSN 0035-8711

Choudhuri, Samir ; Saha, Preetha ; Roy, Nirupam ; Bharadwaj, Somnath ; Dey, Jyotirmoy (2020) Angular power spectrum of supernova remnants: effects of structure, geometry and diffuse foreground Monthly Notices of the Royal Astronomical Society . ISSN 0035-8711

Chakraborty, Arnab ; Roy, Nirupam ; Datta, Abhirup ; Choudhuri, Samir ; Datta, Kanan K ; Dutta, Prasun ; Bharadwaj, Somnath ; Intema, Huib ; Choudhury, Madhurima ; Pal, Srijita ; Choudhury, Tirthankar Roy (2019) Detailed study of ELAIS N1 field with the uGMRT – II. Source properties and spectral variation of foreground power spectrum from 300–500 MHz observations Monthly Notices of the Royal Astronomical Society, 490 (1). pp. 243-259. ISSN 0035-8711

Chakraborty, Arnab ; Datta, Abhirup ; Choudhuri, Samir ; Roy, Nirupam ; Intema, Huib ; Choudhury, Madhurima ; Datta, Kanan K ; Pal, Srijita ; Bharadwaj, Somnath ; Dutta, Prasun ; Choudhury, Tirthankar Roy (2019) Detailed study of the ELAIS N1 field with the uGMRT - I. Characterizing the 325 MHz foreground for redshifted 21 cm observations Monthly Notices of the Royal Astronomical Society, 487 (3). p. 2019. ISSN 0035-8711

Saha, Preetha ; Bharadwaj, Somnath ; Roy, Nirupam ; Choudhuri, Samir ; Chattopadhyay, Debatri (2019) A study of Kepler supernova remnant: angular power spectrum estimation from radio frequency data Monthly Notices of the Royal Astronomical Society, 489 (4). pp. 5866-5875. ISSN 0035-8711

Choudhuri, Samir ; Dutta, Prasun ; Bharadwaj, Somnath (2018) An Image-based Tapered Gridded Estimator (ITGE) for the angular power spectrum Monthly Notices of the Royal Astronomical Society, 483 (3). pp. 3910-3918. ISSN 0035-8711

Bharadwaj, Somnath ; Pal, Srijita ; Choudhuri, Samir ; Dutta, Prasun (2018) A Tapered Gridded Estimator (TGE) for the multifrequency angular power spectrum (MAPS) and the cosmological H i21-cm power spectrum Monthly Notices of the Royal Astronomical Society, 483 (4). pp. 5694-5700. ISSN 0035-8711

Choudhuri, Samir ; Roy, Nirupam ; Bharadwaj, Somnath ; Saiyad Ali, Sk. ; Ghosh, Abhik ; Dutta, Prasun (2017) Validating a novel angular power spectrum estimator using simulated low frequency radio-interferometric data New Astronomy, 57 . pp. 94-103. ISSN 1384-1076

Choudhuri, Samir ; Bharadwaj, Somnath ; Ali, Sk. Saiyad ; Roy, Nirupam ; Intema, Huib. T. ; Ghosh, Abhik (2017) The angular power spectrum measurement of the Galactic synchrotron emission in two fields of the TGSS survey Monthly Notices of the Royal Astronomical Society: Letters, 470 (1). pp. L11-L15. ISSN 1745-3925

Ali, Sk. Saiyad ; Bharadwaj, Somnath ; Choudhuri, Samir ; Ghosh, Abhik ; Roy, Nirupam (2016) Prospects of Measuring the Angular Power Spectrum of the Diffuse Galactic Synchrotron Emission with SKA1 Low Journal of Astrophysics and Astronomy, 37 (4). ISSN 0250-6335

Choudhuri, Samir ; Bharadwaj, Somnath ; Roy, Nirupam ; Ghosh, Abhik ; Ali, Sk. Saiyad (2016) Tapering the sky response for angular power spectrum estimation from low-frequency radio-interferometric data Monthly Notices of the Royal Astronomical Society, 459 (1). pp. 151-156. ISSN 0035-8711

Choudhuri, Samir ; Bharadwaj, Somnath ; Chatterjee, Suman ; Ali, Sk. Saiyad ; Roy, Nirupam ; Ghosh, Abhik (2016) The visibility-based tapered gridded estimator (TGE) for the redshifted 21-cm power spectrum Monthly Notices of the Royal Astronomical Society, 463 (4). pp. 4093-4107. ISSN 0035-8711

Choudhuri, Samir ; Bharadwaj, Somnath ; Ghosh, Abhik ; Ali, Sk. Saiyad (2014) Visibility-based angular power spectrum estimation in low-frequency radio interferometric observations Monthly Notices of the Royal Astronomical Society, 445 (4). pp. 4351-4365. ISSN 0035-8711