HEXAGONE (High Energy X-ray And Gamma ray Observatory for Nuclear Emissions)

Sitio de lanzamiento: Estacion Australiana de Lanzamiento de Balones, Alice Springs  
Dia y hora de lanzamiento: 22/5/1989 20:45 utc
Lanzamiento y operación del globo a cargo de: National Scientific Balloon Facility (NSBF)
Tipo de globo/fabricante/volumen/composicion: Globo de Presión Cero N29-8/8/8T.28.40
Nº de serie del globo: R28.40-2-118
Nº de vuelo: 270N
Dia y hora de fin del vuelo (L para hora de aterrizaje, W ultimo contacto conocido, resto hora de separacion): 23/5/1989 16:56 utc
Duración del vuelo (F: tiempo a flotacion, resto tiempo total de vuelo en d:dias / h:horas / m:minutos): 5 h
Sitio de aterrizaje o ultima posición conocida: 130 millas al OSO de Mackay, Queensland, Australia

• Annihilation Radiation and Associated Continuum from the Galactic Center Region 23rd International Cosmic Ray Conference, Vol. 1, p.148
• Compton-backscattered annihilation radiation from the Galactic Center region Astrophysical Journal, Part 1, vol. 414, no. 1, p. 165-177
• HEXAGONE observation of the Galactic center gamma-ray continuum Astronomy and Astrophysics Supplement Series, vol. 97, no. 1, p. 199-203
• High energy astronomy program at UCSD Advances in Space Research Volume 14, Issue 2, Pag. 151
• High energy observation of the Galactic center region 511 keV and Al-26 lines with HEXAGONE Astronomy and Astrophysics Supplement Series, vol. 97, no. 1, p. 185-187
• Information about HEXAGONE Gamma-Ray Astronomy group of the University of California website
• NASA Balloon Flights (1989-1998) in NASA Historical Data Book, Vol. VII: NASA Launch Systems, Space Transportation, Human Spaceflight, and Space Science, 1989-1998
• Observation of SN 1987A with the gamma-ray spectrometer HEXAGONE Astrophysical Journal, Part 1, vol. 403, no. 1, p. 332-335.
• Observation of the 511 keV annihilation line in the direction of the galactic center with HEXAGONE AIP Conf. Proc. 232, 52 (1991)
• Observations of SN1987A and the Galactic Center with a New High Resolution Gamma-Ray Spectrometer 21st International Cosmic Ray Conference. Volume 2 (OG Sessions), p.174
• Positrons annihilation and the Galactic center Thesis by Wallyn, Pierre - Universite de Paris
• Traitement des donnees de l'experience HEXAGONE: Regions centrales de la Galaxie et SN1987 A. Interpretation Thesis by Chapuis, Claude - Universite de Paris