Nineteen years of HIFI Frank Helmich – Principal Investigator for HIFI.

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Transcript of Nineteen years of HIFI Frank Helmich – Principal Investigator for HIFI.

Nineteen years of HIFI Frank Helmich Principal Investigator for HIFI Time-line 1998 Announcement of Opportunity 1998 Announcement of Opportunity 1999 Acceptance of HIFI proposal 1999 Acceptance of HIFI proposal 2007 Delivery of the Flight Instrument to ESA 2007 Delivery of the Flight Instrument to ESA 2009 Launch of Herschel 2009 Launch of Herschel 2009 The HIFI anomaly 2009 The HIFI anomaly 2010 Restart of HIFI with redundant side 2010 Restart of HIFI with redundant side 2013 End of Helium and start of post-operations 2013 End of Helium and start of post-operations 2016 End of post-operations 2016 End of post-operations 2 3 HIFI is a large project Many people are attracted in the development days Many people are attracted in the development days Some as rooftile, some temporarily Some as rooftile, some temporarily The number of people in Groningen is doubled, but is it enough? The number of people in Groningen is doubled, but is it enough? The atmosphere is vibrant, but also tense from time to time The atmosphere is vibrant, but also tense from time to time Problems are solved, but... Problems are solved, but... Schedule is very tight Schedule is very tight 4 Consortium meeting juli Villa Tuscolana Frascati WBS/HRS selection There is not enough money for two spectrometers There is not enough money for two spectrometers ESA also insists on simplification ESA also insists on simplification What to do? Descoping? That means a review What to do? Descoping? That means a review One of the national leads explodes during the consortium meeting (my first) One of the national leads explodes during the consortium meeting (my first) In the end we fly both HRS & WBS and the peace is restored! In the end we fly both HRS & WBS and the peace is restored! How come? How come? 6 Why remained the consortium intact? We share the same goal getting the instrument done We share the same goal getting the instrument done We experience the peer pressure we dont want to be less than the others We experience the peer pressure we dont want to be less than the others We do something nobody has ever done before that is difficult and exciting We do something nobody has ever done before that is difficult and exciting We avoid that others loose face We avoid that others loose face In reviews we express the problems we find In reviews we express the problems we find We share knowledge We share knowledge We try to have an open development culture We try to have an open development culture Consortium meetings are always well attended Also now the ICC co-locations have an attendance of over 30 people Consortium meetings are always well attended Also now the ICC co-locations have an attendance of over 30 people 7 In the end it is a real struggle but it works 8 Steps towards launch Integration on the satellite is slow Integration on the satellite is slow We go from review to review and finally we are accepted in the Instrument Flight Acceptance Review We go from review to review and finally we are accepted in the Instrument Flight Acceptance Review Operations also has simulations and review after review finally we have the Commisioning Phase Review Operations also has simulations and review after review finally we have the Commisioning Phase Review We can start preparing for launch we have the SRON lottery We can start preparing for launch we have the SRON lottery We start booking, but face delay after delay. In the end we fly, but are not sure if we have accomodation even if we enter French Guyana (and my telephone also doesn t work over there) We start booking, but face delay after delay. In the end we fly, but are not sure if we have accomodation even if we enter French Guyana (and my telephone also doesn t work over there) 9 10 Start-up in Success! We are back on the mission time-line 12 Single Event Upsets remain 13 And are cured 14 15 16 Sgr B2 N spectral survey And next Three years of HIFI post- operations, led by SRON Three years of HIFI post- operations, led by SRON 17