Science with the Daksha high energy transients mission

Bhalerao, Varun; Sawant, Disha; Pai, Archana; Tendulkar, Shriharsh; Vadawale, Santosh; Bhattacharya, Dipankar; Rana, Vikram; Adalja, Hitesh Kumar L.; Anupama, G C; Bala, Suman; Banerjee, Smaranika; Basu, Judhajeet; Belatikar, Hrishikesh; Beniamini, Paz; Bhaganagare, Mahesh; Bhaskar, Ankush; Bhattacharjee, Soumyadeep; Bose, Sukanta; Cenko, Brad; Vijay Chanda, Mehul; Dewangan, Gulab; Dixit, Vishal; Dutta, Anirban; Gawade, Priyanka; Ghodgaonkar, Abhijeet; Kumar Goyal, Shiv; Gunasekaran, Suresh; Hemanth, Manikantan; Hotokezaka, Kenta; Iyyani, Shabnam; Guruprasad, P. J.; Kasliwal, Mansi; G. Koyande, Jayprakash; Kulkarni, Salil; Kutty, APK; Ladiya, Tinkal; Mahapatra, Suddhasatta; Marla, Deepak; Mate, Sujay; Mehla, Advait; Mithun, N. P. S.; More, Surhud; Mote, Rakesh; Mukherjee, Dipanjan; Narang, Sanjoli; Narendranath, Shyama; Nema, Ayush; Nimbalkar, Sudhanshu; Nissanke, Samaya; Palit, Sourav; Patel, Jinaykumar; Patel, Arpit; Paul, Biswajit; Pradeep, Priya; Ramachandran, Prabhu; Roy, Kinjal; Saiguhan, B.S. Bharath; Saji, Joseph; Saleem, M.; Saraogi, Divita; Sastry, Parth; Shanmugam, M.; Sharma, Piyush; Shetye, Amit; Singh, Nishant; Singh, Shreeya; Singhal, Akshat; Sreekumar, S.; Sridhar, Srividhya; Srinivasan, Rahul; Tallur, Siddharth; K. Tiwari, Neeraj; Lakshmi Vadladi, Amrutha; Vaishnava, C.S.; Vishwakarma, Sandeep; Waratkar, Gaurav

doi:10.1007/s10686-024-09923-1

Cited by 2 publications

(1 citation statement)

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“…(GIT230919aa, Kumar 2023). The integration of UV monitoring with multiwavelength surveys such as the Zwicky Transient Facility (ZTF; Bellm et al 2019) and GIT in the optical, XRISM in X-rays (XRISM Science Team 2020), and the forthcoming Roman Space Telescope in the IR (Akeson et al 2019), alongside Daksha in X-rays (Bhalerao et al 2024), promises to contribute significantly to resolving outstanding questions concerning nova phenomena. Notes.…”

Section: Discussionmentioning

confidence: 99%

Exploring the Archives: A Search for Novae in UVIT Snapshots of M31

Basu,

S.,

Barway

et al. 2024

ApJ

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Extensive multiwavelength studies of novae have been carried out in our galaxy and in M31 for decades. However, UV studies of extragalactic novae are limited, especially those in quiescence. For the first time, we present a UV catalog of novae in M31 using the archival AstroSat Ultraviolet Imaging Telescope (UVIT) imaging data. We used two image subtraction techniques to retrieve objects located deep into the M31 central region. We have found 42 novae in total in the UVIT images, 15 of which have been detected in multiple filters in the far-ultraviolet (FUV) and near-ultraviolet. The novae detected at quiescence show signatures of accretion disk from their UV spectral energy distributions, whereas those in the outburst phase show signatures of a pseudo-photosphere. A few novae were also detected in multiple epochs. Some show a near-constant FUV magnitude at quiescence, while others caught near the outburst reveal pre-eruption dips in their light curves. We conclude with a discussion on the significance of UV surveys in illuminating theoretical predictions for novae systems, including detecting the elusive early UV flash.

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Section: Discussionmentioning

confidence: 99%