A. Castro-Tirado, M. Bremer, J. Winters, Julio C. Tello, S. Pandey, A. U. Postigo, J. Gorosabel, S. Guziy, M. Jelínek, R. Sánchez-Ramírez, D. Pérez-Ramírez, J. M. C. Ceron
{"title":"MILLIMETRE OBSERVATIONS OF GAMMA-RAY BURSTS AT IRAM","authors":"A. Castro-Tirado, M. Bremer, J. Winters, Julio C. Tello, S. Pandey, A. U. Postigo, J. Gorosabel, S. Guziy, M. Jelínek, R. Sánchez-Ramírez, D. Pérez-Ramírez, J. M. C. Ceron","doi":"10.1051/EAS/1361045","DOIUrl":null,"url":null,"abstract":"Since 1997, and following our detection of the first mm afterglow, we have followed-up 70 GRBs, mainly with the IRAMś Plateau de Bure Interferometer, what can be considered as the IRAM Legacy GRB Sample. 66 events were observed at 3 mm, with 19 of them being detected (with another 3 having marginal detections). 32 GRBs were followed up at 1 mm, with 6 of them being detected. Redshifts for the GRB afterglows lie in the range z = 0.03–8.3, with measured flux densities (at 3 mm) varying between 0.25 and 60 mJy (but usually <1.5 mJy) with first observations taking place around 1–2 days after the GRB. Forward shock emission expleains the observations with the exception of one particular case (GRB 090423 at z = 8.2) for which reverse shock emission is required.","PeriodicalId":335082,"journal":{"name":"Gamma-ray Bursts: 15 Years of GRB Afterglows","volume":"24 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2020-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Gamma-ray Bursts: 15 Years of GRB Afterglows","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1051/EAS/1361045","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Since 1997, and following our detection of the first mm afterglow, we have followed-up 70 GRBs, mainly with the IRAMś Plateau de Bure Interferometer, what can be considered as the IRAM Legacy GRB Sample. 66 events were observed at 3 mm, with 19 of them being detected (with another 3 having marginal detections). 32 GRBs were followed up at 1 mm, with 6 of them being detected. Redshifts for the GRB afterglows lie in the range z = 0.03–8.3, with measured flux densities (at 3 mm) varying between 0.25 and 60 mJy (but usually <1.5 mJy) with first observations taking place around 1–2 days after the GRB. Forward shock emission expleains the observations with the exception of one particular case (GRB 090423 at z = 8.2) for which reverse shock emission is required.
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