Journal
ASTROPHYSICAL JOURNAL LETTERS
Volume 747, Issue 1, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/2041-8205/747/1/L5
Keywords
supernovae: general; supernovae: individual (PTF 10vgv)
Categories
Funding
- DOE Office of Science
- UT Austin
- Pennsylvania State University
- Stanford
- Ludwig-Maximilians-Universitat Munchen
- Georg-August-Universitat Gottingen
- Instituto de Astronomia de la Universidad Nacional Autonoma de Mexico
- BSF
- ISF
- FP7/IRG
- Minerva
- Sieff Foundation
- German-Israeli Fund (GIF)
- Gary & Cynthia Bengier
- Richard & Rhoda Goldman Fund
- TABASGO Foundation
- NSF [AST-0908886, PHY-0757058]
- LIGO
- NASA/Swift [NNH10ZDA001N]
- STFC [ST/J001465/1] Funding Source: UKRI
- Direct For Mathematical & Physical Scien [0908886] Funding Source: National Science Foundation
- Direct For Mathematical & Physical Scien
- Division Of Physics [0757058] Funding Source: National Science Foundation
- Division Of Astronomical Sciences [0908886] Funding Source: National Science Foundation
- Division Of Astronomical Sciences
- Direct For Mathematical & Physical Scien [1009987] Funding Source: National Science Foundation
- Division Of Astronomical Sciences
- Direct For Mathematical & Physical Scien [1009991] Funding Source: National Science Foundation
- Office Of The Director
- Office of Integrative Activities [0941742] Funding Source: National Science Foundation
- Science and Technology Facilities Council [ST/J001465/1] Funding Source: researchfish
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We present the discovery of PTF 10vgv, a Type Ic supernova (SN) detected by the Palomar Transient Factory, using the Palomar 48 inch telescope (P48). R-band observations of the PTF 10vgv field with P48 probe the SN emission from its very early phases (about two weeks before R-band maximum) and set limits on its flux in the week prior to the discovery. Our sensitive upper limits and early detections constrain the post-shock-breakout luminosity of this event. Via comparison to numerical (analytical) models, we derive an upper-limit of R less than or similar to 4.5 R-circle dot (R less than or similar to 1 R-circle dot) on the radius of the progenitor star, a direct indication in favor of a compact Wolf-Rayet star. Applying a similar analysis to the historical observations of SN 1994I yields R less than or similar to 1/4 R-circle dot for the progenitor radius of this SN.
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