GRIP (Gamma-Ray Imaging Payload)

Balloon launched on: 4/11/1988 at 21:50 utc
Launch site: Australian Balloon Launching Station, Alice Springs, Australia  
Balloon launched by: National Scientific Balloon Facility (NSBF)
Balloon manufacturer/size/composition: Zero Pressure Balloon N29I-8/8/8/8T-28.40
Balloon serial number: R 28.40-3-106
Flight identification number: 246N
End of flight (L for landing time, W for last contact, otherwise termination time): 4/13/1988 at 6:30 utc
Balloon flight duration (F: time at float only, otherwise total flight time in d:days / h:hours or m:minutes - ): 32 h 40 m
Landing site: 16 miles W of Ti Tree, Northern Territory, Australia

• Coded-aperture imaging of the Galactic center region at gamma-ray energies Astrophysical Journal, Part 2 - Letters vol. 372, p. L75
• Gamma-Ray Imaging Observations of Point Source Emission from the Galactic Center Region 21st International Cosmic Ray Conference. Volume 1, p.216
• Gamma-ray imaging observations of Supernova 1987A Ph.D. Thesis, Palmer, David M. California Institute of Technology, 1992
• Gamma-Ray Imaging of the Galactic Center Region The Center of the Galaxy: Proceedings of the 136th Symposium of the International Astronomical Union, held in Los Angeles, U.S.A., July 25-29, 1988
• GRIP website Space Radiation Laboratory - California Institute of Technology
• Hard X-Ray and Gamma-Ray Observations of SN1987A During the Period 1987-1989 21st International Cosmic Ray Conference. Volume 2, p.182
• Multiwavelength observations of the black hole candidate 1E 1740.7-2942 Ph.D.Thesis Heindl, William Adams, California Institute of Technology, 1994
• Recent results in the NASA research balloon program 27th Aerospace Sciences Meeting, 1989