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Browsing IIAP Publications by Subject "VELC"

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Calibration of Spectropolarimetry package for Visible Emission Line Coronagraph (VELC) on board Aditya-L1 mission

Venkata Suresh, Narra; Hegde, Bhavana; Dasamantarao, Utkarsha; Somasundaram, P. K; Kamath, P. U; Prasad, B. R (World Scientific Publishing Company, 2023-12)

Visible Emission Line Coronagraph (VELC) is the prime payload on board Aditya-L1 mission. One of the unique capabilities of VELC is the coronal magnetic field measurements from space. To achieve this, VELC performs dual ...
Calibration of VELC detectors on-board Aditya-L1 mission

Mishra, Shalabh; Sasikumar Raja, K; Sanal Krishnan, V. U; Venkata Suresh, Narra; Hegde, Bhavana; Utkarsha, D; Priyal, M; Pawan, Kumar; Natarajan, V; Prasad, B. R; Singh, J; Kamath, P. U; Kathiravan, S; Vishnu, T; Suresha; Savarimuthu, P; Desai, Jalshri H; Kumaran, Rajiv; Sagar, Shiv; Kumar, Sumit; Bamrah, Inderjeet Singh; Amit Kumar (Springer Nature, 2024-04)

Aditya-L1 is the first Indian space mission to explore the Sun and solar atmosphere with seven multi-wavelength payloads, with Visible Emission Line Coronagraph (VELC) being the prime payload. It is an internally occulted ...
Data pipeline architecture and development for VELC onboard Space Solar Mission AdityaL1

Singh, J; Prasad, B. R; Sumana, Chavali; Amit Kumar; Varun Kumar; Priyal, Muthu; Venkata Suresh, Narra (Elsevier Ltd., 2022-03-15)

ADITYA L-1 is India’s first dedicated mission to study Sun and its atmosphere with Visible Emission Line Coronagraph (VELC), a major payload on ADITYA-L1. VELC has provision to make imaging and spectroscopic observations ...
Exploring the outer emission corona spectroscopically by using Visible Emission Line Coronagraph (VELC) on board ADITYA-L1 mission

Singh, J; Prasad, B. R; Venkata Suresh, Narra; Amit Kumar (Elsevier B.V, 2019-07-17)

It is very important to make the spectrographic observations of the outer emission corona in number of emission lines simultaneously in view of the results of the observations made in [Fe x] 6374 A, [Fe xi] 7892 A, [Fe ...
Scatter due to Ultraviolet (UV) photopolymerization of molecular contamination on optical surfaces

Venkata Suresh, Narra; Prasad, B. R; Somasundaram, P. K; Kathiravan, S; Venkatasubramanian, N; Padavu, U. K; Mani, V. T; Basavaraja, S; Naik, Rajesh (Springer Nature B.V., 2020-12)

Molecular contamination on optical surfaces is a serious issue for space payloads. For ultraviolet (UV) payloads, molecular contamination results in loss of throughput. Whereas, for visible (VIS) payloads loss of throughput ...
Solar coronal magnetic fields and sensitivity requirements for spectropolarimetry channel of VELC onboard Aditya-L1

Sasikumar Raja, K; Venkata Suresh, Narra; Singh, J; Prasad, B. R (Elsevier, 2022-01-01)

Understanding solar coronal magnetic fields is crucial to address the long-standing mysteries of the solar corona and solar wind. Although routine photospheric magnetic fields (MFs) are available for decades, coronal MFs ...
Spectropolarimetry package for visible emission line coronagraph (VELC) on board Aditya-L1 mission

Venkata Suresh, Narra; Prasad, B. R; Singh, J (Springer, 2022-02)

One of the unique features of Visible Emission Line Coronagraph (VELC) on board Aditya-L1 mission is spectropolarimetric observations in coronal emission line centred at 10747 Å. Spectropolarimetric observations at 10747 ...

Browsing IIAP Publications by Subject "VELC"

Browsing IIAP Publications by Subject "VELC"

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