{
  "bibcode": "1999GCN...459....1B",
  "body": "Michael Bremer (IRAM Grenoble), Frank Bertoldi (MPIfR Bonn), \nUte Lisenfeld (IRAM Granada), Alberto Castro-Tirado (LAEFF-INTA Madrid and \nIAA-CSIC Granada), Titus Galama (Caltech, Pasadena), \nand Ernst Kreysa (MPIfR) report: \n \nThe afterglow of GRB 991208 was detected at 240 GHz with the Max-Planck\nMillimeter Bolometer (MAMBO) array (80 GHz bandwidth, 10.7 arcsec HPBW) at\nthe IRAM 30 m telescope on Pico Veleta, at the position reported by Frail\net al. (GCN 451). Three on-off integrations yield the following flux\ndensities:\n\n UT December 11.77, 1999        2.6 +/- 0.8 mJy\n UT December 12.38, 1999        1.9 +/- 0.6 mJy\n UT December 14.35, 1999        2.2 +/- 0.7 mJy\n \nCombining all data we obtain a flux density  2.4 +/- 0.5 mJy. The source \nintensity appears to remain nearly constant. We will continue to monitor\nits flux.",
  "circularId": 459,
  "createdOn": 945217112000,
  "email": "bertoldi@mpifr-bonn.mpg.de",
  "subject": "GRB991208 - millimeter detection",
  "submitter": "Frank Bertoldi at MPIFR/Bonn  <bertoldi@mpifr-bonn.mpg.de>",
  "eventId": "GRB 991208"
}