Spectroscopic Investigation of Nebular Gas (SING): instrument design, assembly and testing

Bharat Chandra P.; Binukumar G. Nair; Shubham Ghatul; Shubhangi Jain; Mahesh Babu S.; Margarita Safonova; S. Sriram; Rekhesh Mohan; Jayant Murthy

doi:10.1117/12.3019583

21 August 2024 Spectroscopic Investigation of Nebular Gas (SING): instrument design, assembly and testing

Bharat Chandra P., Binukumar G. Nair, Shubham Ghatul, Shubhangi Jain, Mahesh Babu S., Margarita Safonova, S. Sriram, Rekhesh Mohan, Jayant Murthy

Author Affiliations +

Proceedings Volume 13093, Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray; 1309336 (2024) https://doi.org/10.1117/12.3019583
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Conference Poster

Abstract

The Spectroscopic Investigation of Nebular Gas (SING), a near-ultraviolet (NUV) spectrograph, operates from 1400 Å to 2700 Å with a 3.7 Å spectral resolution and 1.33′ spatial resolution. Its primary objective is to study various sky regions such as interstellar medium (ISM), hot gas in supernova remnants (SNR), warm gas in planetary nebulae, and cold gas in molecular clouds. It has a 298-mm aperture telescope feeding a long slit UV spectrograph with a dumbbell slit and holographic grating. SING is designed to be mounted on a stable space platform for scanning mode of observation. This article summarizes SING’s design, calibration, and initial performance.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Bharat Chandra P., Binukumar G. Nair, Shubham Ghatul, Shubhangi Jain, Mahesh Babu S., Margarita Safonova, S. Sriram, Rekhesh Mohan, and Jayant Murthy "Spectroscopic Investigation of Nebular Gas (SING): instrument design, assembly and testing", Proc. SPIE 13093, Space Telescopes and Instrumentation 2024: Ultraviolet to Gamma Ray, 1309336 (21 August 2024); https://doi.org/10.1117/12.3019583

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