Hard x-ray polarization catalog for a five-year sample of gamma-ray bursts using AstroSat CZT imager
T Chattopadhyay, S Gupta, S Iyyani… - The Astrophysical …, 2022 - iopscience.iop.org
Abstract The Cadmium Zinc Telluride Imager (CZTI) on board AstroSat has been regularly
detecting gamma-ray bursts (GRBs) since its launch in 2015. Its sensitivity to polarization …
detecting gamma-ray bursts (GRBs) since its launch in 2015. Its sensitivity to polarization …
Probing into emission mechanisms of GRB 190530A using time-resolved spectra and polarization studies: synchrotron origin?
Multipulsed GRB 190530A, detected by the Gamma-ray Burst Monitor (GBM) and Large
Area Telescope onboard Fermi, is the sixth most fluent GBM burst detected so far. This …
Area Telescope onboard Fermi, is the sixth most fluent GBM burst detected so far. This …
Localization of gamma-ray bursts using AstroSat Mass Model
D Saraogi, JV Aditya, V Bhalerao, S Bala… - Monthly Notices of …, 2024 - academic.oup.com
ABSTRACT The Cadmium Zinc Telluride Imager (CZTI) aboard AstroSat has good sensitivity
to gamma-ray bursts (GRBs), with close to 600 detections including about 50 discoveries …
to gamma-ray bursts (GRBs), with close to 600 detections including about 50 discoveries …
Revisiting the Earth's atmospheric scattering of X-ray/γ-rays and its effect on space observation: Implication for GRB spectral analysis
S Palit, A Anumarlapudi, V Bhalerao - Journal of Astrophysics and …, 2021 - Springer
A considerable fraction of incident high energy photons from astrophysical transients such
as Gamma Ray Bursts (GRBs) is Compton scattered by the Earth's atmosphere. These …
as Gamma Ray Bursts (GRBs) is Compton scattered by the Earth's atmosphere. These …
Extending the energy range of AstroSat-CZTI up to 380 keV with compton spectroscopy
A Kumar, T Chattopadhyay… - Monthly Notices of …, 2022 - academic.oup.com
ABSTRACT The CZTI (Cadmium Zinc Telluride Imager) onboard AstroSat is a high energy
coded mask imager and spectrometer in the energy range of 20–100 keV. Above 100 keV …
coded mask imager and spectrometer in the energy range of 20–100 keV. Above 100 keV …
Using collimated CZTI as all-sky X-ray detector based on Earth occultation technique
All-sky monitors can measure the fluxes of astrophysical sources by measuring the changes
in observed counts as the source is occulted by the Earth. Such measurements have …
in observed counts as the source is occulted by the Earth. Such measurements have …
The astrosat observatory
KP Singh - Handbook of X-ray and Gamma-ray Astrophysics, 2022 - Springer
AstroSat is India's first ultraviolet (UV) and X-ray astronomy observatory in space. The
satellite was launched by the Indian Space Research Organisation on a Polar Satellite …
satellite was launched by the Indian Space Research Organisation on a Polar Satellite …
Bright in the Black: Searching for Electromagnetic Counterparts to Gravitational-Wave Candidates in LIGO-Virgo-KAGRA Observation Runs with AstroSat-CZTI
G Waratkar, V Bhalerao, D Bhattacharya - arXiv preprint arXiv:2402.07564, 2024 - arxiv.org
GW150914 marked the start of the gravitational wave (GW) era with the direct detection of
binary black hole (BBH) merger by the LIGO-Virgo GW detectors. The event was temporally …
binary black hole (BBH) merger by the LIGO-Virgo GW detectors. The event was temporally …
Multiwavelength Observations of Gamma Ray Bursts
R Gupta - arXiv preprint arXiv:2312.16265, 2023 - arxiv.org
Gamma-ray bursts (GRBs) are fascinating sources studied in modern astronomy. They are
extremely luminous electromagnetic explosions in the Universe observed from cosmological …
extremely luminous electromagnetic explosions in the Universe observed from cosmological …
Pulsars in AstroSat-CZTI: detection in sub-MeV bands and estimation of spectral index from hardness ratios
KG Anusree, D Bhattacharya, V Bhalerao… - Journal of Astrophysics …, 2022 - Springer
Abstract The Cadmium Zinc Telluride Imager (CZTI) onboard AstroSat, an open detector
above∼ 100 keV, is a promising tool for the investigation of hard X-ray characteristics of γ …
above∼ 100 keV, is a promising tool for the investigation of hard X-ray characteristics of γ …