Search Results for author: D. J. Sand

Found 2 papers, 0 papers with code

The luminous red nova variety: AT 2020hat and AT 2020kog

no code implementations20 Nov 2020 A. Pastorello, G. Valerin, M. Fraser, N. Elias-Rosa, S. Valenti, A. Reguitti, P. A. Mazzali, R. C. Amaro, J. E. Andrews, Y. Dong, J. Jencson, M. Lundquist, D. E. Reichart, D. J. Sand, S. Wyatt, S. J. Smartt, K. W. Smith, S. Srivastav, Y. -Z. Cai, E. Cappellaro, S. Holmbo, A. Fiore, D. Jones, E. Kankare, E. Karamehmetoglu, P. Lundqvist, A. Morales-Garoffolo, T. M. Reynolds, M. D. Stritzinger, S. C. Williams, K. C. Chambers, T. J. L. de Boer, M. E. Huber, A. Rest, R. Wainscoat

A moderate-resolution spectrum of AT 2020hat taken at +37 d after maximum shows a forest of narrow P Cygni lines of metals with velocities of 180 km/s, along with an Halpha emission with a full-width at half-maximum velocity of 250 km/s.

Solar and Stellar Astrophysics

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