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The Progenitor of Supernova 2011dh has Vanished

Van Dyk, Schuyler D. and Zheng, Weikang and Clubb, Kelsey I. and Filippenko, Alexei V. and Cenko, S. Bradley and Smith, Nathan and Fox, Ori D. and Kelly, Patrick L. and Shivvers, Isaac and Ganeshalingam, Mohan (2013) The Progenitor of Supernova 2011dh has Vanished. Astrophysical Journal Letters, 772 (2). Art. No. L32. ISSN 2041-8205.

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We conducted Hubble Space Telescope (HST) Snapshot observations of the Type IIb supernova (SN) 2011dh in M51 at an age of ~641 days with the Wide Field Camera 3. We find that the yellow supergiant star, clearly detected in pre-SN HST images, has disappeared, implying that this star was almost certainly the progenitor of the SN. Interpretation of the early time SN data which led to the inference of a compact nature for the progenitor, and to the expected survival of this yellow supergiant, is now clearly incorrect. We also present ground-based UBVRI light curves obtained with the Katzman Automatic Imaging Telescope at Lick Observatory up to SN age ~70 days. From the light-curve shape including the very late time HST data, and from recent interacting binary models for SN 2011dh, we estimate that a putative surviving companion star to the now deceased yellow supergiant could be detectable by late 2013, especially in the ultraviolet. No obvious light echoes are detectable yet in the SN environment.

Item Type:Article
Related URLs:
URLURL TypeDescription Paper DOIArticle
Van Dyk, Schuyler D.0000-0001-9038-9950
Zheng, Weikang0000-0002-2636-6508
Filippenko, Alexei V.0000-0003-3460-0103
Cenko, S. Bradley0000-0003-1673-970X
Fox, Ori D.0000-0003-2238-1572
Kelly, Patrick L.0000-0003-3142-997X
Shivvers, Isaac0000-0003-3373-8047
Additional Information:© 2013 The American Astronomical Society. Received 2013 May 14; accepted 2013 July 3; published 2013 July 19. This work is based in part on observations made with the NASA/ESA Hubble Space Telescope, obtained from the Data Archive at the Space Telescope Science Institute (STScI), which is operated by the Association of Universities for Research in Astronomy (AURA), Inc., under NASA contract NAS 05- 26555. KAIT and its ongoing research were made possible by donations from Sun Microsystems, Inc., the Hewlett-Packard Company, AutoScope Corporation, Lick Observatory, the NSF, the University of California, the Sylvia &J im Katzman Foundation, and the TABASGO Foundation. Support for this research was provided by NASA through grants AR-12623 and GO- 13029 from STScI. A.V.F. and his group at UC Berkeley also wish to acknowledge generous support from Gary and Cynthia Bengier, the Richard and Rhoda Goldman Fund, the Christopher R. Redlich Fund, the TABASGO Foundation, and NSF grant AST-1211916. Facilities: HST (ACS, WFC3), KAIT
Group:Infrared Processing and Analysis Center (IPAC)
Funding AgencyGrant Number
NASANAS 05-26555
Sun Microsystems, Inc.UNSPECIFIED
Hewlett-Packard CompanyUNSPECIFIED
AutoScope CorporationUNSPECIFIED
Lick ObservatoryUNSPECIFIED
University of CaliforniaUNSPECIFIED
Sylvia & Jim Katzman FoundationUNSPECIFIED
Space Telescope Science InstituteGO-1329
Gary and Cynthia BengierUNSPECIFIED
Richard and Rhoda Goldman FundUNSPECIFIED
Christopher R. Redlich FundUNSPECIFIED
Subject Keywords:galaxies: individual (NGC 5194) – stars: evolution – supernovae: general – supernovae: individual (SN 2011dh)
Issue or Number:2
Record Number:CaltechAUTHORS:20130828-090016040
Persistent URL:
Official Citation:The Progenitor of Supernova 2011dh has Vanished Schuyler D. Van Dyk et al. 2013 ApJ 772 L32
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:40967
Deposited By: Tony Diaz
Deposited On:30 Aug 2013 18:00
Last Modified:09 Mar 2020 13:19

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