Achromatic breaks for Swift GRBs. Any evidence? Stefano Covino (INAF/OAB), Daniele Malesani (SISSA),...
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Transcript of Achromatic breaks for Swift GRBs. Any evidence? Stefano Covino (INAF/OAB), Daniele Malesani (SISSA),...
![Page 1: Achromatic breaks for Swift GRBs. Any evidence? Stefano Covino (INAF/OAB), Daniele Malesani (SISSA), Susanna Vergani (Dunsink), Giampiero Tagliaferri (INAF/OAB),](https://reader035.fdocuments.us/reader035/viewer/2022081414/5514872c550346f06e8b4cdc/html5/thumbnails/1.jpg)
Achromatic breaks for Swift GRBs. Any evidence?
Stefano Covino (INAF/OAB), Daniele Malesani (SISSA), Susanna Vergani (Dunsink), Giampiero Tagliaferri (INAF/OAB), on behalf
of the MISTICI collaboration
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Venice, 6 June 2006
Zhang et al. (2006); many others…
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Venice, 6 June 2006
Ghirlanda & Ghisellini (2006)
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Venice, 6 June 2006
The prototype:
GRB 990510
Stanek et al. 2000
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Venice, 6 June 2006
Panaitescu et al. (2006); Panaitescu (talk)
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Venice, 6 June 2006
Blustin et al. (2006)
Della Valle et al. (2006)
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Venice, 6 June 2006
GRB 050801; Rykoff et al. (2006)
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Venice, 6 June 2006
short GRB 051221; Soderberg et al. (2006); Fox (talk)
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Venice, 6 June 2006
GRB 061224; Kann et al. (in preparation); Romano (talk); Curran et al. (poster)
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Venice, 6 June 2006
GRB 060526; Moretti et al. (poster); Halpern et al. (2006)
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Venice, 6 June 2006
Summing up,
•most of the Swift GRBs do not show achromatic breaks;
•in a few cases, however, achromatic breaks can be singled out;
•pre-Swift: Epeak, good optical, poor X-ray coverage;
•Swift: no Epeak, X-ray coverage optimal, good optical, complex light-curves
•Future: best use of the few good events. Is it time to think to worlwide coordination for optical?
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Venice, 6 June 2006