X-ray and Gamma-ray Missions (organized by energy)

These graphs show missions organized by launch date, color coded to indicate where data or data products are archived at the HEASARC (blue) or not archived at the HEASARC (orange).

• 1990-present
• 1975–1989
• pre-1975

A separate graph shows only missions archived at the HEASARC.

A complete list of missions in tabular form is also available

• Table 1: Missions listed by time
• Table 2: Missions listed by energy

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Launches since 1990

* XQC (X-ray Quantum Calorimeter) was a microcalorimter flown on sounding rocket flights between Dec 4, 1995 and March 11, 2013.

Launches from 1975 to 1989

Launches before 1975

* WASS was a proportional counter instrument carried on a sounding rocket flown on ten different occasions between 1972 and 1980.

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Missions archived at the HEASARC

* XQC and WASS are indicated with pattern line because instruments carried on sounding rocket. HEASARC has data products for
4 XQC flights and 10 WASS flights. Date ranges for each span from the first to most recent flights however each flight lasted minutes.

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