------------------------------------------------------------ COST Action 1104 Final Meeting "Future of Polarimetry" (in Astrophysics) 2015/09/21-23, Brussels ------------------------------------------------------------ E.Landi - Highlights in Astronomical Polarimetry - term: polarization: Etienne-Louis Malus (1809) - Fresnel: couriosity -> toy to built instruments - 1st astron. observations: Arago 1811 Moon diffuse refraction instead of specular reflection (also paper) - polarimetry + spectroscopy - Hale - the Sun Galileo (telescope), Fraunhofer (grating or prism?), Hale (polarimetry+spectra) - Bommier AA 100,231 MFs in PROMINENCES thanks to Hanle effect - CLASP - few days ago H.Lamy: COST project summary - application made twice -> approval 17/05/2011 -> kick-off 21/11/2011 - 22 countries + extra sites - 337 in mailists, 247 registred at web page - 10 meetings + some more, 1 international school, total budget 580 kEuro - 82 STSMs: 22 Italy out, 13 Slovakia in, Sun in total 18 - 3 main initial objectives: 1/ to promote polarizations in asprophysics (mostly to young) GREAT! 2/ make rocommediations for ESA/ESO.niatonal space agencies .....? 3/ foster collaboration across wavelength, .... - example: CorMag@LSO - example: Overview of F. Snik et al. - online book Universe in polarized light to come STSM session L. Rosi: Modelling the polarization of Venus SPICAL-IR Venus Express acoustic wave to birefringent crystal creates o+e beam => CoMP,SCD J.Stepan: 3D NLTE solver PORTA Ca H,K, Lyman alpha, serial->paralell XXX Oslo 3D cube B tends to decrease linear polarization 854nm done, -> Mk h,k, H alpha multi-line modelling, obs~model comparison W.McLean: Polarimetry of Jupiter: obs and modelling motivation: for exoplanets G.Borisov: Imaging polarimetry and S&P of comets real life polarimeter - Beam swapping Stefano Bagnulo Q/I aperture polarimetry Bagnulo ASTROPRIBOR Sic itur ad astra ASAP 5 layer 7layer I.Belskaya: Polarimetry of comets S.Boro Saikia: S&P study od solar-type magnetic stars latest Hathaway time-latitude solar BKG MFs HN Peg, 62 Cyg A Hale's magnetic cycle detected at 61 Cyg A (P_rot 35 days) none cylce seen for shorter P_rot at other stars A.Slowikowska: Ringo polarimeter & Liverpool telescope pulsars T.Hovatta: Blazars: AGN relativistic jets pointed to the Earth F.Marin: AGN models + polarimery M.Barthelemy: Premier cru: auroral lines polarization green 120km red 250km S.Fineschi: CorMag@LSO -> Coronal S&P with the Turin Lyot-Filter XXX why we want to measure linear polarizarion Hanle -> parallel or perpen to B ~ vanVleck angle to local solar vertical cor+post-focus as one instrument designed LF oil leakage/air buble problems --------------------------------- 30-40 is more that 1 eclipse Proba-3 2018 lunch 530~1079 - 1079 better contrast to sky brightness - 1079 is IR for detectors CoMP -> thinking to add 530nm - disactangle VV effect N.Zubko: aerosols ~ particulate surfaces E.Costa: X-ray Polarimetry new COST proposal, several AO responses to space agencies M.Pertenais: ARAGO: stellar and visible S&P from space achromatic polarimeter as CoMP in AppOptics J.Trujullo Bueno: CLASP latest results XXX 03/09/2015 launch CLASP-1 t_exp=80s for 1" with 1m telscope 0.1% precision Zeeman, Start effects are too weak Hanle effect PRD + J-level interference in Ly alpha disk center + limb with radial 400" slit Q and U as expected Q,U wings sensitive to temperature! CLASP-2 for Mg h&k J.Rietjens: SPEX - aerosols with polarimetry F.Boulanger: Planck Observations of Galactic Polarization and CMB W.B.Sparks: IMPS: a compact and robust approach to S&P XXX application: biosigntures ALSO! cholarity,.... optical activity of living organisms 10-4 precision needs 10+8 photons CCD only 10+5 count dyn range spread over many pixels ! solution for stellar observations of planet transits Sparks,Germer, MacKenty, Snik 2012 AppOptics (also used in ARAGO) just polarimeter, needs 2D spectrograph with Wollaston prism target: Mars, Europa CubeSat mini-session: L.Filipov: CubeSat and astrophysical polarimetry toys of future young people... 1U/2U/3U ~ 1,2,3kg launch price $40000/CubeSat S.Fabiani: CuPol: fitting a Xray polarimeter for solar flares in a CubeSat 3U, M and X class flares Splinter sessions summaries: - ALA: Solar+Stelar XXX 3D PHOT+CHROM+COR, g-b as testbed, motivation of scientists - teacher's side, stellar S&P to second level telescopes, s-s communication = 0, - BAGNULO: Solar and planerary Systems - : Instrumentation all sky survey, - two ESO COST movies H.M.Schmid, IA, ETH, Zurich: First results from SPHERE-ZIMPOL XXX SPHERE VLT planet finder 50 persons, 250FTE, >10MEuro, 9tons AO inside AO 1.3kHz, 3 post-focus instruments -5-1.6um VIS: corono + ZIMPOL NIRL corono + IRDIS and IFS Titan Q images 1s on the screen R Aqr Q,U problem: speckles in polarization HD142527 sci. verification data free F.Snik: Polarimetry with E-LT E-ELT 39m, TMT, GMT ~25m 798 1.5m HR8799 - we see moving few planets 10-9 Earth/Star contrast vector-APP coronograh geometric phase ExPo pIIFU polarization grating Escuti NCSU Karadili 2012 - rain at expoplanet Stam 2008 O2,H2 looking for extraterrastrial line? put on polarized glasses! M.Collados Vera: Polarimetry with EST and DKIST XXX DKIST - 2019, EST - 2026? off-axis axis rotated fixed platform Hinode: 9.s,67s,600s Bellot Rubio + Orosco Suarez 2012 two perpendicular mirrors to compensate their instrumental polarization -> telescope Mullear matricx -1.0 for all wavelength P.Reig: RoboPol Crete, Skinakas observatory 1.3m + RoboPol photopolarimeter BVIR R.Goosman: AGN polarimetry F.Snik: iSPEX XXX www.ispex-eu.org M.Barthelemy: book on Astropolarimetry "Universe in polarized light" open access, on line, Master or PhD students, EDP science. 9kEuro, spring 2016 H.Lamy: future: Xray + AGNs, solar flares; web page will be active for couple of years XXX 3D glasses + chrobaci ------------------------------------------------------------