Planck 2018 results
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Table 1.

Important milestones in the Planck mission.

Date Milestone
Nov. 1992....... ESA call for M3 (of Horizon 2000 programme)
May 1993....... Proposals for COBRAS and SAMBA submitted
Sep. 1993....... Selection of COBRAS and SAMBA for assessment
Dec. 1994....... Selection of COBRAS and SAMBA for Phase A
Jul. 1996....... (Combined) Project selection as M3
May 1998....... Pre-selection of the instrument consortia
Feb. 1999....... Final approval of scientific payload and consortia
Jan. 2001....... First meeting of the full Planck Collaboration
Apr. 2001....... Prime contractor selected. Start of phase B
Jun. 2001....... WMAP blazes the way for Planck

Sep. 2001....... System requirements review
Jul.–Oct. 2002....... Preliminary design review
Dec. 2002....... Science ground segment (SGS) review
Apr.–Oct. 2004....... Critical design review
Jan. 2005....... Delivery of HFI cryo-qualification model to ESA
Aug. 2006....... Calibration of flight instruments at Orsay and Laben
Sep. 2006....... Delivery of instrument flight models to ESA
Nov. 2006....... HFI and LFI mating at Thales in Cannes
Jan. 2007....... Integration completed
Mar. 2007....... SGS implementation review
Feb.–Apr. 2007....... Qualification review
Jun.–Aug. 2007....... Final global test at Centre Spatial de Liège
Nov. 2008....... Ground segment readiness review
Jan. 2009....... Flight acceptance review passed
19 Feb. 2009....... Planck flies to French Guyana
14 May 2009....... Launch

02 Jul. 2009....... Injection into L2 orbit
20 May 2009....... Commissioning begins
13 Aug. 2009....... Commissioning ends
27 Aug. 2009....... End of “First light survey”
14 Feb. 2010....... Start of second all-sky survey
05 Jul. 2010....... First all-sky image released
14 Aug. 2010....... Start of third all-sky survey
27 Nov. 2010....... End of nominal mission, start of extended mission
14 Feb. 2011....... Start of fourth all-sky survey
29 Jul. 2011....... Start of fifth all-sky survey
14 Jan. 2012....... End of cryogenic mission, start of warm phase
30 Jan. 2012....... LFI starts sixth all-sky survey
08 Feb. 2012....... Planck completes 1000 days in space
14 Aug. 2013....... Departure manoeuvre executed
04 Oct. 2013....... Start of end-of-life operations
09 Oct. 2013....... De-orbiting from L2
09 Oct. 2013....... HFI, LFI, and SCS commanded off
23 Oct. 2013....... Last command

Feb. 1996....... Publication of the “Redbook” of Planck science
Jan. 2005....... Bluebook: The Scientific Programme of Planck
Sep. 2009....... First light survey press release
Mar. 2010....... First (of 15) internal data releases
Sep. 2010....... Pre-launch papers, special issue of A&A, Vol. 520
Jan. 2011....... Early release (compact source catalogue)
Dec. 2011....... Early results papers, special issue of A&A, Vol. 536
Mar. 2013....... Nominal mission data release (temperature, PR1)
Nov. 2014....... 2013 results papers, special issue of A&A, Vol. 571
Feb.–Aug. 2015....... Extended mission data release (PR2)
Sep. 2016....... 2015 results papers, special issue of A&A, Vol. 594
2018....... This Legacy data release (PR3)

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