Search Results for author: S. C. Williams

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

AT 2019abn: multi-wavelength observations over the first 200 days

no code implementations23 Jan 2020 S. C. Williams, D. Jones, P. Pessev, S. Geier, R. L. M. Corradi, I. M. Hook, M. J. Darnley, O. Pejcha, A. Núñez, S. Meingast, S. Moran

We present the most detailed optical light curve of an ILRT to date, with multi-band photometry starting around three weeks before peak brightness.

Solar and Stellar Astrophysics Astrophysics of Galaxies

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