HIFI status under investigation
October 13th, 2009
HIFI HIFI status under investigation 4 September 2009 Herschel’s Heterodyne Instrument for the Far Infrared, HIFI, was switched off temporarily after an anomaly was registered. An investigation is under way. The instrument first registered the anomaly on 3 August. The chain of events that led to the anomaly is being traced back through the telemetry [...]