OSIRIS Full Team Meeting Welcome, Introduction, Agenda Holger Sierks

OSIRIS - Scientific Camera System NAC – Narrow Angle Camera FOV 2.2°, IFOV 18.6 µrad/px SiC, 2k x 2k BI E2V CCD, AB 3-mirror off-axis, f/8, 717mm plus 3 E-Boxes (35 kg total) WAC – Wide Angle Camera FOV 12°, IFOV 101 µrad/px Al bench, 2k x 2k BI E2V CCD, AB 2-mirror off-axis, f/5.6, 140mm

Introduction OSIRIS is healthy, hibernating since end of March 2011 Obtained robust knowledge of flight hardware, software, operations, and tools from more than 250 days of on-time OSIRIS experience Still a few technical issue to deal with (see Friday) OSIRIS delta commissioning to be laid out Operations User Manual to be finished Lutetia data analysis is fading out, data open to public PSS Special Issue with 14 team contributions, out by EGU conf. Focus now on C-G planning, science and operations Planning and analysis tools for C-G CoIs and Associate Scientists to taking action and role in C-G prep work NOW!

Agenda March 7, morning session, 9-13h 09:00 Welcome, Introduction and Goal of the Meeting - C. Barbieri, H. Sierks Lutetia, Steins, Vesta, and Phobos 09:10 Lutetia: Lesson learned from Rosetta flyby - A. Barucci 09:30 Lutetia photometry - C. Leyrat 09:50 Update on 3-D modeling by photoclinometry - LAM 10:10 Modeling of the Central Crater Cluster Impacts - N. Thomas 10:30 Variegation of the Baetica region - S. Magrin 10:50 Discussion 11:00 Coffee break 11:10 Crater models and possible scaling law - G. Cremonese 11:30 Gravity, differentiation and crater morphology - J.-B. Vincent 11:50 Probing the inner structures of asteroids and comets with impact simulations - N. Oklay 12:10 Exploratory study of crater detection on Lutetia using mathematical morphology methods - M. Jenerowicz 12:30 3-D dense reconstruction of visible Lutetia surface - A. Aboudan 12:50 Discussion 13:00 Lunch break

Agenda March 7, afternoon session, 14-18h 14:00 OSIRIS observations of 4 Vesta - S. Fornasier 14:20 A look at 21 Lutetia from 4 Vesta - U. Keller 14:40 Spectrophotometry investigation of Phobos with the OSIRIS-NAC camera- M. Pajola  Comets, C-G Science 15:00 Role of Comets in Early Solar System - H. Rickman 15:40 Thermophysical Model for Thermal Emission Studies - B. Davidsson 15:50 Deriving Physical Parameters of Atmosphereless Bodies in the Solar System by Modeling their Thermal Emission, ISSI team report - B. Davidsson 16:00 Coffee break 16:10 Dust modeling and report on Italian dust working group - M. Fulle 16:30 Updates on Hartley-2, Temple-1- M. A’Hearn 17:00 Hartley-2 thermal model - O. Groussin  17:20 Modeling cometary dust jets - J.-B. Vincent 17:40 Discussion Adjourn 18:00 Executive Meeting (Lead Scientists, Splinter room)

Agenda March 8, morning session, 9-13h Comets, C-G Science 09:00 Update on ground based observations of C-G - C. Tubiana/C. Snodgrass 09:20 Spin and activity of comet C-G - J.-B. Vincent 09:40 Expected dust flux as relevant for OSIRIS instrument and observations - J. Knollenberg 10:00 Investigations relevant to comet activity - U. Keller 10:30 PHIRE-2 – A photometric facility for dirty ice - N. Thomas 10:50 Discussion 11:00 Coffee break Science Planning 11:10 OSIRIS landing support and pre-landing science, review - R. Moissl 11:30 Report from Calibration Working Group, calibration strategy - M. Küppers 11:50 Pipeline status, photometry (MPS, LAM, UPD approach, merging)- M. Küppers 12:10 Report from Coma Working Group - H. Rickman 12:30 Report from Nucleus Working Group - P. Lamy 12:50 Discussion 13:00 Lunch break

Agenda March 8, afternoon session, 14-18h Review comet strategy 14:00 Science Repository Document and Science planning, connection/merge of STT - H. Sierks, all 14:30 Prioritization of science objectives for OSIRIS at C-G - all 15:00 Rosetta orbits, skeleton plan, and iterations with Flight Dynamics - M. Küppers 15:20 Discussion of sample orbits and orbit selection with regard to science goals - M. Küppers, all 15:40 Multi-instrument observations and collaborations - all 16:00 Coffee break 16:10 Comet science plans in Paris group - A. Barucci 16:30 Lab measurements of comet analogs - all 16:50 Definition and setup of the Science Planning Working Group - all 17:10 Operations team setup and planning, manpower, funding at C-G, discussion - all 17:30 Rosetta SGS setup, timeline and planning tools/cycles, SGS DB - M. Küppers 17:45 Delta commissioning post hibernation - all 18:00 Discussion Adjourn Splinter Sessions as needed Team Dinner (Palazzo Zacco, Prato della Valle)

Agenda March 9, morning session, 9-13h Technical session 09:00 Dust on WAC mirrors and baffle - I. Bertini with V. Da Deppo, F. Peron and PF. Brunello 09:20 Dust on NAC mirrors and baffle - LAM tbc 09:40 Shutter performance - M. Pertile (title tbd) 10:00 OSIRIS document server - I. Büttner 10:15 Status and content of the OSIRIS User manual - I. Büttner, all 10:30 Software tools needed for comet encounter: Sequence and planning tools, AIDA, OASIS, DAMOKLES, ITLEditor, visualization tools, etc. - all 10:50 Discussion 11:00 Coffee break 11:15 Onboard software – autonomy on ‘plume’ detection? Discussion 11:30 Ground Reference Model status, EGSEs - I. Büttner 11:45 NCR-AR status update 12:00 CCD health status and degradation (annealing threshold?) 12:20 Discussion 12:30 Date and location of next meeting, joint meetings with other instrument teams 12:40 Status of Action Items, meeting summary 12:50 AOB 13:00 Lunch break 14:00 Adjourn

Science Lutetia fly-by results presented at Europlanet 2010 DPS 2010 AGU 2010 EGU 2011 LPSC 2011 DPS/Europlanet 2011 … LPSC 2012, EGU 2012, ACM 2012 … Lutetia article in Science Magazine Images of Asteroid 21 Lutetia: A Remnant Planetesimal from the Early Solar System. PSS Special Issue contributions (total of 14) see table of Lutetia papers Lutetia data delivered to PSA/PDS archive Need to move on to cometary science and prime mission preparation

3 papers on Lutetia Fly-by published on 28 Oct 2011: OSIRIS VIRTIS RSI Rosetta got the Cover Page! Huge resonance in the media.

Title Authors Target/Status Images of Asteroid 21 Lutetia: A Remnant Planetesimal from the Early Solar System H. Sierks et al Science; published 28 Oct 2011 Physical properties of craters on asteroid (21) Lutetia J.-B. Vincent et al PSS; accepted Search for satellites near (21) Lutetia using OSIRIS/Rosetta images I. Bertini et al The geomorphology of (21) Lutetia: Results from the OSIRIS imaging system onboard ESA’s Rosetta spacecraft N. Thomas et al The Northern hemisphere of asteroid 21 Lutetia - Topography and orthoimages from Rosetta OSIRIS NAC image data F. Preusker et al Hydrocode simulations of the largest crater on the asteroid Lutetia G. Cremonese et al Boulders on Lutetia M. Kueppers et al (21) Lutetia spectrophotometry from Rosetta-OSIRIS images and comparison to ground-based observations S. Magrin et al The Cratering History of Asteroid (21) Lutetia S. Marchi et al Lutetia surface reconstruction and uncertainty analysis S. Debei et al Shape modeling technique KOALA validated by ESA Rosetta at (21) Lutetia B. Carry et al Overview on Lutetia’s surface composition A. Barucci et al Shape and phys properties P. Lamy et al PSS? ICARUS?; status update pending Geological map and stratigraphy of asteroid 21 Lutetia M. Massironi et al Possible evidence for partial differentiation of asteroid Lutetia from Rosetta B.P. Weiss et al Rosetta Fly-by at Asteroid (21) Lutetia – An Overview R. Schulz et al

Lauriacum Lauriacum

C-G Prep Work First cut of Science Plan in iteration Osiris Science Ops Repository for Prime Mission at C-G, ver. 1/m discussed at Coma WG Meeting, distributed to the team defines to Science Objectives and focus per mission phase needs consolidation by OSIRIS Full Team Meeting ICD on data exchange with Lander iterated and forwarded to Project Scientist, ICD with COSIMA iterated SOWG Meetings for Comet Escort Phase B OSIRIS Full Team Meeting and WG mtgs be focused on C-G Modeling efforts activity source region gas flow (Bird code cont’d) impacts, granular flows gravitational aggregates

Open Work 1/2 Technical Shutter analysis to be cont’d (mainly WAC now) OBCPs timing to cleared out (PC13 mishap) 2 ARs still to be worked and closed out with ESA Software updates to come (switch S1 handling, OSIRIS safe mode) Low power mode (thermal) be worked out Band pass filters under re-examination after 10 yrs in storage Impact of dust on mirrors and baffle of NAC and WAC Operational o/b science S/W upgrade? (e.g., watchdog, autonomous action on activity) OSIRIS delta commissioning post-hibernation to be laid out CCD health and annealing: analysis, annealing S/W, tests, threshold to be worked

Open Work 2/2 Operational cont’d OSIRIS Operations User Manual to be finished Planning and analysis tools for C-G Potential co-location of OSIRIS Ground Reference Model or upgraded Qualification Model at ESOC in Prime Mission Science C-G science plan to be detailed and cont’d OSIRIS Calibration WG identified actions Team Publication policy be respected all over the team Team communications to be improved

Backup slides

Summary Few technical issues to deal with Robust knowledge of flight hardware, operations, and tools Science papers on Lutetia done on 1st and 2nd wave Lutetia data ready delivered to PSA, PDS Steins, Mars data is public, naming proposal under review by IAU Next OSIRIS Full Team Meeting in spring 2012 (Sweden) Focus now on C-G planning ICDs on data exchange between Rosetta instruments to be finalized, common meeting to come Need publication policy and plans for C-G 1st, 2nd, 3rd wave OSIRIS CoIs and Associate Scientists to take action and role in C-G prep work NOW!

C-G Observations Rosetta’s first view of Comet Churyumov-Gerasimenko   25th March 2011, start 22:55, end 26th March 11:48 163 million km from target 24 deg phase angle comet at 5.1 AU (640 Mio km) from Sun spacecraft at 4.14 AU from Sun 5min exposures full frame NAC and WAC 52*15min (13h) exposures, clear filter, 512x512 px (~0.5 deg) R=20.9 (~ a million times fainter than the faintest stars visible to the naked eye)