Circumstellar Medium Constraints on the Environment of Two Nearby Type Ia Supernovae: SN 2017cbv and SN 2020nlb

Sand D.J.¹ , Jencson J.E.¹ , Lundquist M.J.¹ , Smith N.¹ , Wyatt S.¹ , Sarbadhicary S.K.² , Chomiuk L.² , Pellegrino C.^{3, 4} , Burke J.^{3, 4} , Hiramatsu D.^{3, 4} , Howell D.A.³ , McCully C.^{3, 4} , Misra K.⁵ , Dastidar R.⁵ , Brown P.J.^{6, 7} , Itagaki K.⁸ , Valenti S.⁹ , Bostroem K.A.⁹ , Dong Y.⁹ , Swift J.J.¹⁰ , Andrews J.E.¹¹ , Galbany L.¹² , Graham M.L.¹³ , Hsiao E.Y.¹⁴ , Janzen D. ¹⁵ , Reichart D.¹⁶ , Wang L. ^{17, 18}

The Astrophysical Journal

Institute of Physics and IOP Publishing Limited

1

English

Published

922

2021

• ¹ Steward Observatory|University of Arizona
• ² Department of Physics and Astronomy|Michigan State University
• ³ Las Cumbres Observatory
• ⁴ Department of Physics|University of California
• ⁵ Aryabhatta Research Institute of Observational Sciences|Manora Peak
• ⁶ Department of Physics and Astronomy|Texas AandM University
• ⁷ George P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy
• ⁸ Itagaki Astronomical Observatory
• ⁹ Department of Physics and Astronomy|University of California
• ¹⁰ Thacher Observatory|Thacher School
• ¹¹ Gemini Observatory|NSFs NOIRLab
• ¹² Institute of Space Sciences (ICE|CSIC)|Campus UAB
• ¹³ DiRAC Institute|Department of Astronomy|University of Washington
• ¹⁴ Department of Physics|Florida State University
• ¹⁵ Department of Physics and Engineering Physics|University of Saskatchewan
• ¹⁶ Department of Physics and Astronomy|University of North Carolina at Chapel Hill
• ¹⁷ Chinese Academy of Sciences|South America Center for Astronomy|National Astronomical Observatories|CAS
• ¹⁸ CAS Key Laboratory of Optical Astronomy|National Astronomical Observatories|Chinese Academy of Sciences