GUVI Biblio





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Found 12 entries in the Bibliography.


Showing entries from 1 through 12


2020

Study the Ionospheric Total Electron Content (TEC) variation during Geomagnetic Storm in 24th Solar Cycle

Kundu, Subrata; Sasmal, Sudipta; Chakraborti, Suman; Chakrabarti, Sandip;

Published by:       Published on:

YEAR: 2020     DOI:

Effect of solar flux versus compositional variations on the variability of daytime oxygen optical emission rates over low-and mid-latitudes

Pallamraju, Duggirala; Karan, Deepak; Laskar, Fazlul; Lakshmi, Vijaya; Chakrabarti, Supriya;

Published by: Journal of Atmospheric and Solar-Terrestrial Physics      Published on:

YEAR: 2020     DOI:

2019

Imaging of the Daytime Ionospheric Equatorial Arcs With Extreme and Far Ultraviolet Airglow

We present the first global images of the daytime ionosphere equatorial arcs as manifested in the 83.4-nm airglow. These images were collected by the Limb-Imaging Ionospheric and Thermospheric Extreme-Ultraviolet Spectrograph that commenced operations on the International Space Station in early 2017. We compare these to simultaneous images of the ionospheric radiative recombination airglow at 135.6 nm measured between 250- and 350-km tangent altitudes, where the emission is generated primarily by radiative recombination o ...

Stephan, A.; Finn, S.; Cook, T.; Geddes, G.; Chakrabarti, S.; Budzien, S.;

Published by: Journal of Geophysical Research: Space Physics      Published on: 06/2019

YEAR: 2019     DOI: 10.1029/2019JA026624

2014

Ionospheric imaging using merged ultraviolet airglow and radio occultation data

The Limb-imaging Ionospheric and Thermospheric Extreme-ultraviolet Spectrograph (LITES) and GPS Radio Occultation and Ultraviolet Photometry-Colocated (GROUP-C) experiments are being considered for flight aboard the Space Test Program Houston 5 (STP-H5) experiment pallet to the International Space Station (ISS). LITES is a compact imaging spectrograph that makes one-dimensional images of atmospheric and ionospheric ultraviolet (60-140 nm) airglow above the limb of the Earth. The LITES optical design is advantageous in tha ...

Stephan, Andrew; Budzien, Scott; Finn, Susanna; Cook, Timothy; Chakrabarti, Supriya; Powell, Steven; Psiaki, Mark;

Published by:       Published on:

YEAR: 2014     DOI: 10.1117/12.2061420

2011

On deriving incident auroral particle fluxes in the daytime using combined ground-based optical and radar measurements

Pallamraju, Duggirala; Chakrabarti, Supriya; Solomon, Stanley;

Published by: Journal of Geophysical Research      Published on: Jan-01-2011

YEAR: 2011     DOI: 10.1029/2010JA015934

2006

Compositional changes in thermosphere during a geomagnetic storm inferred using ground-based daytime OI 630.0 nm optical airglow emissions

Pallamraju, D; Chakrabarti, S; Solomon, S; Crowley, G;

Published by:       Published on:

YEAR: 2006     DOI:

Contributions of imaging Echelle spectrographs to daytime optical aeronomy

We present a brief overview of the contributions made by high spectral resolution imaging spectrographs that are capable of obtaining daytime airglow and auroral emissions in the presence of scattered solar background continuum, to the advancement in our understanding of the dynamics in daytime upper atmosphere. By making use of ground-based OI 6300 angstrom daytime emissions from various geomagnetic latitudes this technique has succeeded in demonstrating many interesting and first of their kind results ranging from ionosphe ...

Pallamraju, D.; Chakrabarti, S.;

Published by: Journal of Atmospheric and Solar-Terrestrial Physics      Published on:

YEAR: 2006     DOI: https://doi.org/10.1016/j.jastp.2005.05.013

dayglow; AURORA; Spectroscopy; Optical techniques; Thermosphere–ionosphere coupling; space weather

Proton aurora observed from the ground

Auroral keV proton precipitation is a significant-energy particle input upon the high-latitude ionosphere, often dominating in the polar cusp and the dusk sector of the equatorward auroral oval. A unique signature of proton precipitation is the Doppler-shifted H Balmer lines (Hα, Hβ) observable from the ground. These lines are emitted by energetic H atoms produced within the proton beam through charge-exchange processes. Their observations allow one to assess the location, dynamic evolution especially during magnetospheric ...

Galand, Marina; Chakrabarti, Supriya;

Published by: Journal of Atmospheric and Solar-Terrestrial Physics      Published on:

YEAR: 2006     DOI: https://doi.org/10.1016/j.jastp.2005.04.013

Proton aurora; H. Balmer; Auroral spectroscopy

2005

First ground-based measurements of OI 6300 \AA daytime aurora over Boston in response to the 30 October 2003 geomagnetic storm

Pallamraju, D; Chakrabarti, S;

Published by: Geophysical Research Letters      Published on:

YEAR: 2005     DOI:

2004

HIRISE observations of daytime aurora over boston from ground in response to the magnetic disturbance of october 30, 2003 as corroborated by the TIMED measurements from space

Pallamraju, D; Chakrabarti, S;

Published by:       Published on:

YEAR: 2004     DOI:

2003

A detector system for SPIDR, A mission to perform spectroscopy and photometry of the IGM s diffuse radiation

The primary goal of the Spectroscopy and Photometry of the IGM s Diffuse Radiation (SPIDR) Mission is to detect and map the huge filamentary structures, the "cosmic web", predicted to

Lapington, Jonathan; Chakrabarti, Supriya; Cook, Timothy; Goeke, Robert; Gsell, JC; Gsell, VT;

Published by:       Published on:

YEAR: 2003     DOI:

1987

The OI 3d $^3$D°-2p4 $^3$P Transition at 1026 \AA in the Day Airglow

Meier, RR; , Anderson; Paxton, LJ; McCoy, RP; Chakrabarti, Supriya;

Published by: Journal of Geophysical Research: Space Physics      Published on:

YEAR: 1987     DOI:



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