TUBİTAK Adresli Yayınlar Topluluğu
Published January 1, 2011 | Version v1
Journal article Open

The origin of the prompt optical emission in GRB 060111B

Creators

  • 1. ASI Sci Data Ctr, ASDC, I-00044 Frascati, Italy
  • 2. Space Res Inst IKI, Moscow 117997, Russia
  • 3. Univ Toulouse, LATT, CNRS, F-31400 Toulouse, France
  • 4. Univ Toulouse, CESR, CNRS, UMR 5187, F-31028 Toulouse, France
  • 5. LAM OAM, F-13388 Marseille, France
  • 6. Observ Haute Provence, OHP, F-04870 St Michel Lobservatoire, France
  • 7. Thueringer Landessternwarte, D-07778 Tautenburg, Germany
  • 8. NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
  • 9. Ulugh Beg Astron Inst, Tashkent 100052, Uzbekistan
  • 10. Akdeniz Univ Yerleskesi, TUBITAK Natl Observ, TR-07058 Antalya, Turkey
  • 11. SRI Crimean Astrophys Observ, Sci Res Inst, UA-98409 Nauchnyi, Crimea, Ukraine
  • 12. Moscow MV Lomonosov State Univ, Sternberg Astron Inst, Crimean Lab, UA-98409 Nauchnyi, Crimea, Ukraine
  • 13. Observ Paris, IMCCE, F-92190 Paris, France
  • 14. Canada France Hawaii Telescope Corp, Kamuela, HI 96743 USA
  • 15. Univ Calif Berkeley, Dept Astron, Berkeley, CA 94720 USA

Description

The detection of a bright optical emission measured with good temporal resolution during the prompt phase makes ORB 060111B a rare event that is especially useful for constraining theories of the prompt optical emission. Comparing this burst with other GRBs with evidence of optical peaks, we find that the optical peak epoch (t(p)) is anti-correlated with the high energy burst energetic assuming an isotropic energy release (E-iso) in agreement with Liang et al. (2009), and that the steeper is the post-peak afterglow decay, the less is the agreement with the correlation. GRB 060111B is among the tatters and it does not match the correlation. The Cannonball scenario is also discussed and we find that this model cannot be excluded for GRB 060111B. (C) 2010 COSPAR. Published by Elsevier Ltd. All rights reserved.

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