Search Results - "Sengupta, Sujan"

A Comprehensive Model of Morphologically Realistic Cosmic Dust Particles: An Application to Mimic the Unusual Polarization Properties of the Interstellar Comet 2I/Borisov by Halder, Prithish, Sengupta, Sujan

“…The cosmic dust particles found in space are mainly porous aggregates of smaller grains. Theoretically, these aggregates are replicated using fractal geometry,…”
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Effect of Multiple Scattering on the Transmission Spectra and the Polarization Phase Curves for Earth-like Exoplanets by Singla, Manika, Chakrabarty, Aritra, Sengupta, Sujan

“…It is the most appropriate time to characterize the Earth-like exoplanets in order to detect biosignature beyond the Earth because such exoplanets will be the…”
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Probing the physical properties of directly imaged gas giant exoplanets through polarization by Marley, Mark S., Sengupta, Sujan

“…It has been becoming clear that the atmospheres of the young, self-luminous extrasolar giant planets imaged to date are dusty. Planets with dusty atmospheres…”
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Polarization of Trappist-1 by the Transit of Its Planets by Sengupta, Sujan

“…Being the first, and currently the only, multiple planet hosting dwarf star that is sufficiently cool to form condensate clouds in its atmosphere, Trappist-1…”
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Transit Light Curves for Exomoons: Analytical Formalism by Saha, Suman, Sengupta, Sujan

“…The photometric transit method has been the most effective method to detect and characterize exoplanets as several ground based as well as space based survey…”
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Effects of Thermal Emission on the Transmission Spectra of Hot Jupiters by Chakrabarty, Aritra, Sengupta, Sujan

“…The atmosphere on the dayside of a highly irradiated close-in gas giant (also known as a hot Jupiter) absorbs a significant part of the incident stellar…”
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Generic Models for Disk-resolved and Disk-integrated Phase-dependent Linear Polarization of Light Reflected from Exoplanets by Chakrabarty, Aritra, Sengupta, Sujan

“…Similar to the case of solar system planets, reflected starlight from exoplanets is expected to be polarized due to atmospheric scattering, and the net…”
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Probing Dust in the Atmosphere of Brown Dwarfs through Polarization by Sengupta, Sujan, Krishan, Vinod

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New models of reflection spectra for terrestrial exoplanets: Present and prebiotic Earth orbiting around stars of different spectral types by Singla, Manika, Sengupta, Sujan

“…In order to recognize a habitable exoplanet from future observed spectra, we present new model reflected spectra and geometric albedo for modern and prebiotic…”
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Atmospheric heat redistribution effect on emission spectra of Hot-Jupiters by Sengupta, Soumya, Sengupta, Sujan

“…Hot Jupiters are the most studied and easily detectable exoplanets for transit observations. However, the correlation between the atmospheric flow and the…”
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Optical Transmission Spectra of Hot Jupiters: Effects of Scattering by Sengupta, Sujan, Chakrabarty, Aritra, Tinetti, Giovanna

“…We present new grids of transmission spectra for hot Jupiters by solving the multiple-scattering radiative transfer equations with non-zero scattering albedo…”
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An Upper Limit on the Ratio Between the Extreme Ultraviolet and the Bolometric Luminosities of Stars Hosting Habitable Planets by Sengupta, Sujan

“…A large number of terrestrial planets in the classical habitable zone of stars of different spectral types have already been discovered and many are expected…”
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Polarization of Rotationally Oblate Self-luminous Exoplanets with Anisotropic Atmospheres by Chakrabarty, Aritra, Sengupta, Sujan, Marley, Mark S.

“…The young self-luminous giant exoplanets are expected to be oblate in shape, owing to the high rotational speeds observed for some objects. Similar to the case…”
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DETECTING EXOMOONS AROUND SELF-LUMINOUS GIANT EXOPLANETS THROUGH POLARIZATION by Sengupta, Sujan, Marley, Mark S.

“…ABSTRACT Many of the directly imaged self-luminous gas-giant exoplanets have been found to have cloudy atmospheres. Scattering of the emergent thermal…”
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The search for another Earth – Part II by Sengupta, Sujan

“…In the first part, we discussed the various methods for the detection of planets outside the solar system known as the exoplanets. In this part, we will…”
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The search for another Earth by Sengupta, Sujan

“…Is there life anywhere else in the vast cosmos? Are there planets similar to the Earth? For centuries, these questions baffled curious minds. Either a positive…”
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Cloudy Atmosphere of the Extrasolar Planet HD 189733b: A Possible Explanation of the Detected B-Band Polarization by Sengupta, Sujan

“…The peak amplitude of linear polarization detected recently from an extrasolar hot giant planet, HD 189733b, is a few x [image], more than an order of…”
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Spectro-Polarimetry of Self-Luminous Extrasolar Planets by Sengupta, Sujan

“…Planets which are old and close to their parent stars are considered as reflecting planets because their intrinsic temperature is extremely low but they are…”
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Detection of Polarization due to Cloud Bands in the Nearby Luhman 16 Brown Dwarf Binary by Millar-Blanchaer, Maxwell A., Girard, Julien H., Karalidi, Theodora, Marley, Mark S., van Holstein, Rob G., Sengupta, Sujan, Mawet, Dimitri, Kataria, Tiffany, Snik, Frans, Boer, Jos de, Jensen-Clem, Rebecca, Vigan, Arthur, Hinkley, Sasha

“…Brown dwarfs exhibit patchy or spatially varying banded cloud structures that are inferred through photometric and spectroscopic variability modeling…”
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Multiple Scattering Polarization of Substellar-mass Objects: T Dwarfs by Sengupta, Sujan, Marley, Mark S

“…While there have been multiple observational programs aimed at detecting linear polarization of optical radiation emitted by ultracool dwarfs, there has been…”
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