CALET Image Gallery

The CALorimetric Electron Telescope (CALET) is an international mission funded by the Japanese Space Agency (JAXA) in collaboration with the Italian Space Agency (ASI) and NASA. CALET is mounted on the Exposed Facility section of the Japanese Experiment Module on the International Space Station (near MAXI). The instruments record both cosmic rays and terrestrial radiation in low earth orbit

CALET mission logo

Launch and Integration

Movies


HTV5 launch with CALET onboard


Kounotori5 arriving at the ISS


ISS including CALET


CALET mounted on the Kibo-EF modeule


CALET as seen from the ISS

CALET mounted on the Kibo module on the ISS
CALET mounted on the Kibo EF module on the ISS

CALET in the clean room prior to flight
CALET in the clean room prior to flight

Science

CALET upper limit on GW151226 energy flux in the 1-10 GeV range
90% confidence upper limit on the GW151226 energy flux between 1–10 GeV in the time window T0 -525 – +211 s. The thick cyan line shows the center of the field of view of CALET as it moved in this timeframe, with the plus symbol marking the center of the field of view at T0. Green contours shown the matching localization significance map for GW151226 as reported by LIGO.

Cosmic-ray proton spectrum from CALET and other instruments
Cosmic-ray proton spectrum measured by CALET (red points), with the gray band showing the quadratic sum of systemic and statistical errors.

Cutoff rigidity and count-rate detection from CALET top detector
Störmer vertical ridigity cutoff (left) and CALET CHD-X top detector count rate during a period of quiet solar activity in August 2017.

Instrumentation

Diagram of the components of CALET
CALET components diagram, including the CGBM and CHD instruments

Photograph of CALET HXM
Hard X-ray Monitor component of CGBM instrument

Photograph of CALET SGM
Soft Gamma ray Monitor component of CGBM instrument

Diagram of an event being recorded in the CALET calorimeter
Diagram of an event being detected in the CALET calorimeter