Older GCN Circulars Archive

1. The Older Circulars
2. Even Older Circulars

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(Listed in reverse serial number order -- newest first: 499 - 400)

• 499 GRB 991216, optical observations
  
• 498 GRB 991216 Optical Observations
  
• 497 GRB 991216 Optical spectroscopy/imaging
  
• 496 VLT spectra of GRB991216
  
• 495 GRB991216 Optical and IR observations
  
• 494 K observations of GRB991216
  
• 493 SAX J2303.2+0015, Optical observations
  
• 492 IR observations of GRB991216
  
• 491 GRB991216 radio observations
  
• 490 GRB 991217 (SAX J2303.2+0015) Optical observations
  
• 489 GRB991216 radio observations
  
• 488 GRB991216 Spectroscopy
  
• 487 Lowell/Perkins observation of GRB 991216
  
• 486 GRB991216, optical observations
  
• 485 GRB991216 Optical and infrared observations of Beethoven Burst
  
• 484 Refined IPN localization of GRB991216
  
• 483 GRB 991216 Radio Observations
  
• 482 GRB 991217
  
• 481 GRB 991208 Keck Spectroscopy
  
• 480 GRB 991208 Infrared Detection
  
• 479 GRB991216
  
• 478 GRB 991216--Summary of RXTE Observations
  
• 477 GRB 991216 Optical Observations
  
• 476 GRB 991216, optical observations
  
• 475 GRB 991208 SAO-RAS Spectroscopy
  
• 474 SAX J2303.2+0015: an x-ray/GRB?
  
• 473 GRB 991216, Optical Transient
  
• 472 GRB 991216, Optical Afterglow
  
• 471 GRB991216 ('Beethoven Burst') B, R, and K Observations
  
• 470 GRB 991216: Comparison with DPOSS images
  
• 469 GRB991216, infrared observations
  
• 468 GRB991216 Optical Observations
  
• 467 GRB 991208 optical observations
  
• 466 Lowell/Perkins observation of GRB 991216
  
• 465 GRB 991216 Optical Observation
  
• 464 GRB 991208 Keck Spectroscopy
  
• 463 GRB 991216: Extremely bright BATSE burst
  
• 462 R-band Observations of GRB991208 at TNG
  
• 461 GRB991208, optical observations
  
• 460 GRB 991208 Keck Spectroscopy
  
• 459 GRB991208 - millimeter detection
  
• 458 GRB 991208, Optical Observation
  
• 457 GRB991208 15-GHz observations
  
• 456 GRB991208, optical observations
  
• 455 GRB991208 - OVRO detection
  
• 454 GRB991208 Optical Decay
  
• 453 GRB991208 optical observations
  
• 452 GRB991208 optical observations
  
• 451 GRB991208: Radio Observations
  
• 450 IPN localization of GRB991208
  
• 449 Optical Observations of GRB991105
  
• 448 GRB991106: BeppoSAX/BATSE results
  
• 447 GRB 991106, optical observations
  
• 446 GRB991106, near-infrared observations
  
• 445 BeppoSAX NFI Observation of GRB991106
  
• 444 GRB 991106, radio observations
  
• 443 GRB991106: the first BeppoSAX short GRB detection?
  
• 442 GRB 991105: BATSE Observations
  
• 441 IPN localization of GRB991105
  
• 440 GRB 991106 Optical Observations
  
• 439 GRB 991105, optical observations
  
• 438 GRB991106, optical observation at SAO-RAS
  
• 437 GRB 991106, LOTIS Optical Observations
  
• 436 GRB 991106, optical observations
  
• 435 BeppoSAX refined position for GRB991106
  
• 434 BeppoSAX GRB Alert: GRB991106
  
• 433 Revised BeppoSAX WFC position of GRB991105
  
• 432 GRB991105: SAX-GRBM/-WFC detection
  
• 431 GRB991105 SAX-WFC refined position
  
• 430 GRB991105; SAX-WFC preliminary position
  
• 429 GRB 991014 - X-ray afterglow identification by BeppoSAX-NFI
  
• 428 GRB 991014, Optical Observations
  
• 427 GRB 991014 - BeppoSAX NFI observations
  
• 426 GRB 991014, Optical Observations
  
• 425 GRB 991014, radio observations
  
• 424 GRB991014 BATSE Observations
  
• 423 GRB 991014, Optical Observations
  
• 422 GRB 991014, optical observations
  
• 421 Super-LOTIS optical observation of GRB991014
  
• 420 IPN/NFI error box for GRB991014
  
• 419 IPN localization of GRB991014 - CORRECTION
  
• 418 IPN localization of GRB991014
  
• 417 BeppoSAX ALERT: GRB991014
  
• 416 GRB 990915 optical observations
  
• 415 GRB 990907 optical observations
  
• 414 BATSE GRB trigger criteria
  
• 413 Optical Observations of GRB990907
  
• 412 IPN error box for GRB990915 (=BATSE 7766)
  
• 410 IPN localization of BATSE #7766 (GRB990915)
  
• 409 GRB990907: BeppoSAX follow up and X-ray afterglow
  
• 408 GRB990907 and 990908
  
• 407 GRB990907, IPN localization
  
• 406 GRB990908, another BeppoSAX-GRBM/WFC burst detection
  
• 405 GRB990907: refined WFC position
  
• 404 BeppoSAX MAIL n. 99/24: GRB ALERT: GRB990907
  
• 403 GRB990712 Late Optical Decay and Host Galaxy
  
• 402 GRB990712, Optical Observation
  
• 401 GRB990806 BeppoSAX follow up
  
• 400 GRB990806: BATSE Observations
  

Circulars 300-399   99-05-08 to 99-08-10
Circulars 199-299   99-01-23 to 99-05-07
Circulars 100-198   98-06-13 to 99-01-22
Circulars neg4-099   97-02-?? to 98-06-13