Wide-field ultraviolet imager for astronomical transient studies
Though the ultraviolet (UV) domain plays a vital role in the studies of astronomical transient events, the UV time-domain sky remains largely unexplored. We have designed a wide-field UV imager that can be flown on a range of available platforms, such as high-altitude balloons, CubeSats, and larger...
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| Veröffentlicht in: | Experimental astronomy 2018-04, Vol.45 (2), p.201-218 |
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| container_title | Experimental astronomy |
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| creator | Mathew, Joice Ambily, S. Prakash, Ajin Sarpotdar, Mayuresh Nirmal, K. G. Sreejith, A. Safonova, Margarita Murthy, Jayant Brosch, Noah |
| description | Though the ultraviolet (UV) domain plays a vital role in the studies of astronomical transient events, the UV time-domain sky remains largely unexplored. We have designed a wide-field UV imager that can be flown on a range of available platforms, such as high-altitude balloons, CubeSats, and larger space missions. The major scientific goals are the variability of astronomical sources, detection of transients such as supernovae, novae, tidal disruption events, and characterizing active galactic nuclei variability. The instrument has a 80 mm aperture with a circular field of view of 10.8 degrees, an angular resolution of ∼22 arcsec, and a 240 - 390 nm spectral observation window. The detector for the instrument is a Microchannel Plate (MCP)-based image intensifier with both photon counting and integration capabilities. An FPGA-based detector readout mechanism and real time data processing have been implemented. The imager is designed in such a way that its lightweight and compact nature are well fitted for the CubeSat dimensions. Here we present various design and developmental aspects of this UV wide-field transient explorer. |
| doi_str_mv | 10.1007/s10686-018-9575-4 |
| format | Article |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Active galactic nuclei Angular resolution Apertures Astronomy Celestial bodies Chemistry and Earth Sciences Computer Science Cubesat Data processing Disruption Field of view High altitude balloons Microchannel plates Microchannels Observations and Techniques Original Article Physics Physics and Astronomy Space missions Statistics for Engineering Supernovae Variability |
| title | Wide-field ultraviolet imager for astronomical transient studies |
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