Transit spectrum of Venus as an exoplanet model prediction + HST programme Ehrenreich et al. 2012, A&A Letters 537, L2
|
|
- Beryl Roberts
- 6 years ago
- Views:
Transcription
1 Transit spectrum of Venus as an exoplanet model prediction + HST programme Ehrenreich et al. 2012, A&A Letters 537, L2 exoplanet scientist planetary scientist David Ehrenreich Mathieu Barthélemy Jean Lilensten...IPAG, Grenoble Alfred Vidal-Madjar Alain Lecavelier des Etangs...IAP, Paris Thomas Widemann...LESIA, Meudon Guillaume Gronoff...NASA, Langley Paolo Tanga...OCA, Nice ESA/C. Carreau Luc Arnold...Obs. Haute-Provence David K. Sing...U. Exeter
2 Exoplanetary transit background source larger than the planet no spatial resolution
3 Exoplanetary transit hot jupiter HD b Relative flux δ~1% HST/STIS Brown et al Time from mid-transit (days) (R p /R? ) 2
4 Normalised flux Exoplanetary transit 883 nm 767 nm 758 nm 679 nm Phase (Sing et al. 2011) ( ) [R p ( )/R? ] 2 Transmission spectroscopy through the limb
5 Transit spectroscopy at the limb: 2 caveats Atmospheric limb properties averaged in latitude Sensitive to the highest absorbing species lower z cannot be probed
6 Atmospheric signal of a hot jupiter transit depth scale height k B T/µg (Δδ) atmo 2δ (H/R p ) n H Jupiter-size 0.01 to 0.1% 1% ~500 km
7 Atmospheric signal of a hot jupiter Relative flux difference during transit (%) HST/STIS Huitson et al HD b Na doublet Wavelength (Å)
8 Transmission spectrum HD b Rp / R HST/STIS Huitson et al STIS/G430L model w/ Rayleigh scattering by haze (Lecavelier et al. 2008) STIS/G750M STIS/G750M binned ACS Atmospheric scale heights model w/ solar Na abundance (Fortney et al.) Wavelength (Å) Haze scattering in exoplanetary atmosphere: a new challenge
9 Towards telluric planets 10! planet mean density Transits! Solar System! super-earths ice giants inflated giants Radius (Earths)! Transits 1! icy moons rocky moons Venus telluric planets water-rich Earth gas giants massive giants 0,1! 0,01! 0,1! 1! 10! 100! 1000! 10000! Radial velocities Mass (Earths)! rocky Kepler s smallest planets (only an upper limit to the mass)
10 Towards Earth-size planets near the habitable zone Confirmed transits vs. Kepler candidates (after 13 months in the mission) Borucki et al. 2011
11 Towards Earth-size planets near the habitable zone Kepler candidates 312 after 43 days 1,235 after 13 months 2,300+ after 16 months Batalha et al. 2012, submitted Most stars too faint for transit spectroscopy
12 Towards Earth-size planets Fressin et al mag star K-20e δ = 82 ppm
13 Atmospheric signal of an Earth-size planet scale height k B T/µg (Δδ) atmo 2δ (H/R p ) n H Jupiter-size % 1% ~500 km Earth-size our Venus from the Earth ppm ppm~10 km x10 geometrical effect
14 Venus as a telluric exoplanet = An Earth-size planet close to the inner edge of the habitable zone of a bright solar-type star ACRIMSAT ToV 2004 Absorption (%) Time (h) Schneider, Pasachoff & Willson 2006
15 Transit of Venus An exoplanet perspective Can we detect the atmosphere of an Earth-size exoplanet? Is it habitable? 1 R Proxy for future missions What atmospheric signatures can we expect? Transit of Venus 2004 (TRACE) Pasachoff, Schneider & Widemann 2011
16 Modelling the cytherean atmosphere cryosphere upper atmosphere mesosphere troposphere Pätzold et al Gronoff et al Cotton et al Titov et al de Bergh et al Montmessin et al. 2011
17 Clouds & hazes cryosphere upper haze optically thick cloud deck
18 Upper haze of aerosols (70 90 km) Wilquet et al mode-1 Altitude (km) mode-2 1 N (# cm -3 ) 10
19 Upper haze of aerosols (70 90 km) mode-2 particle size distribution particle size (µm) extinction cross section Mie extinction coefficient (cm -1 ) lognormal distribution Wavelength (µm) IDL Mie-extinction routines freely available@
20 Mie extinction absorption scattering Im(n) Re(n) 1 µm Wavelength (µm) 5 µm Hummel et al Wilquet et al. 2009
21 Absorption & scattering Mie (modes 1+2) Mie (mode 1) CO2 Rayleigh
22 Transit spectrum of Venus (prediction) (+100 km) Kaltenegger & Traub 2009 CO2-ν Ehrenreich, Vidal-Madjar, Widemann et al. 2012, A&A Letters 537, L2
23 Transit spectrum of the Earth (observed!) limb absorption OHP target the penumbra during lunar eclipses Vidal-Madjar et al altitude (km) model (no adjustments!) Rayleigh scattering (N2) O3 OHP/Sophie (cloudy weather!) O2 O wavelength (nm)
24 Transit spectrum of Venus (observed!) VTT observations during transit of Venus 2004 atmospheric limb Venus optically thick disc Transmission solar surface spectral dispersion Wavelength (nm) Hedelt et al. 2011
25 Venus as a transiting exoplanet Testing the model VTT observations during transit of Venus 2004 data (Hedelt et al. 2011) transit spectrum w/ mode-1+2 transit spectrum w/ mode-1
26 Next step towards a spatially unresolved, true exoplanet transit proxy w/ much larger wavelength range Hubble Space Telescope GO#12537 Ehrenreich, Vidal-Madjar, Arnold et al. Alfred Vidal-Madjar s talk
27
Transmission spectra of exoplanet atmospheres
Transmission spectra of exoplanet atmospheres David Ehrenreich Grenoble Institute of Planetology and Astrophysics (IPAG) Alain Lecavelier des Etangs (IAP) David K. Sing (U Exeter) J.-M. Désert (Harvard)
More informationCharacterization of Transiting Planet Atmospheres
Characterization of Transiting Planet Atmospheres Heather Knutson Division of Geological and Planetary Sciences, Caltech A Bird s-eye View of Exoplanet Atmospheres Limited information available for individual
More informationA dozen years of hot exoplanet atmospheric investigations. Results from a large HST program. David K. Sing. #acrosshr Cambridge.
A dozen years of hot exoplanet atmospheric investigations Results from a large HST program David K. Sing #acrosshr Cambridge ] 1 Aug 2014 Outline Introduction to Transit Spectroscopy Highlight 3 Science
More informationChallenges in Exoplanet Research for the UV
Challenges in UV Astronomy Garching 7 Oct 2013 Collaborators Catherine Huitson Exeter, UK / U of Colorado Alain Lecavelier des Etangs IAP, France Alfred Vidal-Madjar IAP, France V. Bourrier IAP, France
More informationAtmospheres and evaporation of extrasolar planets
Atmospheres and evaporation of extrasolar planets Alain Lecavelier des Etangs Institut d Astrophysique de Paris Une planète s évapore ESLAB ESTEC 29 mai 2007 Absorption spectroscopy during transits Light
More informationExoplanetary Atmospheres: Temperature Structure of Irradiated Planets. PHY 688, Lecture 23 Mar 20, 2009
Exoplanetary Atmospheres: Temperature Structure of Irradiated Planets PHY 688, Lecture 23 Mar 20, 2009 Outline Review of previous lecture hot Jupiters; transiting planets primary eclipses and atmospheric
More informationDirect imaging of extra-solar planets
Chapter 6 Direct imaging of extra-solar planets Direct imaging for extra-solar planets means that emission from the planet can be spatially resolved from the emission of the bright central star The two
More informationEvaporation of planetary atmospheres
Evaporation of planetary atmospheres Alain Lecavelier des Etangs Institut d Astrophysique de Paris Une planète s évapore Evaporation of planetary atmospheres V. Bourrier (IAP) R. Ferlet (IAP) G. Hébrard
More informationExoplanet Forum: Transit Chapter
Exoplanet Forum: Transit Chapter A condensed version of the Transits Chapter from the Exoplanet Forum Proceedings, made available to the Decadal Survey, Planetary Systems and Star Formation Panel Drake
More informationEarth's transmission spectrum from lunar eclipse observations
Earth's transmission spectrum from lunar eclipse observations Pallé et al. 009, Nat. E. Palle, M.R. Zapatero-Osorio, R. Barrena, P. Montañes-Rodriguez, E. Martin, A. Garcia-Muñoz Nowadays we can monitor
More informationExoplanet Atmosphere Characterization & Biomarkers
Giovanna Tinetti ESA/Institut d Astrophysique de Paris γ Exoplanet Atmosphere Characterization & Biomarkers Can we use Remote Sensing Spectroscopy, - Interaction between photon coming from the parent star
More informationInternal structure and atmospheres of planets
Internal structure and atmospheres of planets SERGEI POPOV 1312.3323 Sizes and masses Radius vs. mass Results of modeling. Old (relaxed) planets. Colors correspond to different fractions of light elements.
More informationE-ELT s View of Exoplanetary Atmospheres
Exo-Abundances Workshop, May 12th 14th, Grenoble E-ELT s View of Exoplanetary Atmospheres Gaël Chauvin - IPAG/CNRS - Institute of Planetology & Astrophysics of Grenoble/France In Collaboration with ESO-PST,
More informationExoplanets and their Atmospheres. Josh Destree ATOC /22/2010
Exoplanets and their Atmospheres Josh Destree ATOC 3500 4/22/2010 Outline What is an exoplanet? Why do we care? Detecting exoplanets Exoplanets compared to planets in the solar system Exoplanet atmospheres
More informationWhy Search for Extrasolar Planets?
Why Search for Extrasolar Planets? What is the diversity of habitats for life in the universe? Are Earth-like planets common or rare in our region of the galaxy? We have an elaborate and self-consistent
More informationCHARACTERIZING EXOPLANET ATMOSPHERES USING GENERAL CIRCULATION MODELS
CHARACTERIZING EXOPLANET ATMOSPHERES USING GENERAL CIRCULATION MODELS Tiffany Kataria 3 July, 5 With thanks to collaborators David Sing, Adam Showman, Hannah Wakeford, Thomas Evans, Nikolay Nikolov, Jonathan
More informationHD Transits HST/STIS First Transiting Exo-Planet. Exoplanet Discovery Methods. Paper Due Tue, Feb 23. (4) Transits. Transits.
Paper Due Tue, Feb 23 Exoplanet Discovery Methods (1) Direct imaging (2) Astrometry position (3) Radial velocity velocity Seager & Mallen-Ornelas 2003 ApJ 585, 1038. "A Unique Solution of Planet and Star
More informationAdam Burrows, Princeton April 7, KITP Public Lecture
Adam Burrows, Princeton April 7, 2010 KITP Public Lecture The Ancient History of Comparative Planetology There are infinite worlds both like and unlike this world of ours...we must believe that in all
More informationCharacterizing the Atmospheres of Extrasolar Planets. Julianne I. Moses (Space Science Institute)
Characterizing the Atmospheres of Extrasolar Planets Julianne I. Moses (Space Science Institute) Intern Brown Bag, 18 June 2014 1795 Confirmed Exoplanets as of 16 June 2014 hot Jupiters Jupiter Super Earths
More informationExoplanets Atmospheres. Characterization of planetary atmospheres. Photometry of planetary atmospheres from direct imaging
Photometry of planetary atmospheres from direct imaging Exoplanets Atmospheres Planets and Astrobiology (2016-2017) G. Vladilo Example: planetary system detected with direct imaging HR 8799 b, c, d (Marois
More informationScience Olympiad Astronomy C Division Event National Exam
Science Olympiad Astronomy C Division Event National Exam University of Nebraska-Lincoln May 15-16, 2015 Team Number: Team Name: Instructions: 1) Please turn in all materials at the end of the event. 2)
More informationExtrasolar planets. Lecture 23, 4/22/14
Extrasolar planets Lecture 23, 4/22/14 Extrasolar planets Extrasolar planets: planets around other stars Also called exoplanets 1783 exoplanets discovered as of 4/21/14 Orbitting 1105 different stars Number
More informationTransit Spectroscopy Jacob Bean
Transit Spectroscopy Jacob Bean University of Chicago Some recent reviews: Exoplanetary Atmospheres Chemistry, Forma6on Condi6ons, and Habitability Madhusudhan+ 2016 Observa6ons of Exoplanet Atmospheres
More informationDesign Reference Mission. DRM approach
Design Reference Mission The Design Reference Mission (DRM) is a set of observing programs which together provide a tool to assist with tradeoff decisions in the design of the E-ELT (examples of observing
More informationExoplanet Atmospheres Observations. Mercedes López-Morales Harvard-Smithsonian Center for Astrophysics
Exoplanet Atmospheres Observations Mercedes López-Morales Harvard-Smithsonian Center for Astrophysics Planets versus Year of Discovery PSR-1257-12d PSR-1257-12c Earth PSR-1257-12b Total: 1849; Transiting:
More informationPLATO. revealing the interior of planets and stars completing the age of planet discovery for Earth-sized planets constraining planet formation
PLATO PLAnetary Transits and Oscillations of Stars revealing the interior of planets and stars completing the age of planet discovery for Earth-sized planets constraining planet formation The PLATO Consortium:
More informationHands-on Session: Detection and Spectroscopic Characterization of Transiting Exoplanets with the James Webb Space Telescope
Hands-on Session: Detection and Spectroscopic Characterization of Transiting Exoplanets with the James Webb Space Telescope Nikole K. Lewis JWST Project Scientist Space Telescope Science Institute Why
More informationExtrasolar Transiting Planets: Detection and False Positive Rejection
4 Harvard-Smithsonian Center for Astrophysics Extrasolar Transiting Planets: Detection and False Positive Rejection Willie Torres Harvard-Smithsonian Center for Astrophysics Young Planetary Systems Workshop
More informationStudying Exoplanet Atmospheres with TMT. Ian Crossfield Sagan Fellow, UA/LPL 2014/07/18
Studying Exoplanet Atmospheres with TMT Ian Crossfield Sagan Fellow, UA/LPL 2014/07/18 What are conditions like on other worlds? Temperature @ 3 mbar Temperature @ 210 mbar Temperature @ 400 mbar Phosphine
More informationDETECTING TRANSITING PLANETS WITH COROT. Stefania Carpano ESAC (25th of November 2009)
DETECTING TRANSITING PLANETS WITH COROT Stefania Carpano ESAC (25th of November 2009) Outline 1) Introduction: Exoplanet science and detection methods Detection of exoplanets using the transit method The
More informationCredit: NASA/Kepler Mission/Dana Berry. Exoplanets
Credit: NASA/Kepler Mission/Dana Berry Exoplanets Outline What is an exoplanet? Why are they interesting? How can we find them? Exolife?? The future... Jon Thaler Exoplanets 2 What is an Exoplanet? Most
More informationSearching for Other Worlds
Searching for Other Worlds Lecture 32 1 In-Class Question What is the Greenhouse effect? a) Optical light from the Sun is reflected into space while infrared light passes through the atmosphere and heats
More informationObservations of Extrasolar Planets
Observations of Extrasolar Planets Hamilton 2005 Shay Zucker Observations of Extrasolar Planets Spectroscopic detection of exoplanets Emerging properties of the sample Transiting planets Future prospects
More informationExtrasolar Planets = Exoplanets III.
Extrasolar Planets = Exoplanets III http://www.astro.keele.ac.uk/~rdj/planets/images/taugruishydra2.jpg Outline Gravitational microlensing Direct detection Exoplanet atmospheres Detecting planets by microlensing:
More informationAtmospheric Study of Exoplanets by Transmission Spectroscopy (keynote talk)
Atmospheric Study of Exoplanets by Transmission Spectroscopy (keynote talk) Akihiko Fukui Okayama Astrophysical Observatory (OAO), NAOJ Main collaborators: ObservaDon: N. Narita, T. Hirano, N. Kusakabe,
More informationEvaporation of extrasolar planets
Bull. Astr. Soc. India (2010) 38, 137 145 Evaporation of extrasolar planets A. Lecavelier des Etangs 1 1 Institut d astrophysique de Paris, CNRS/UPMC, 98bis bld Arago, F-75014 Paris, France Received 2010
More informationA Precise Optical to Infrared Transmission Spectrum for the Inflated Hot Jupiter WASP-52b
A Precise Optical to Infrared Transmission Spectrum for the Inflated Hot Jupiter WASP-52b Munazza K. Alam Harvard University Exoplanets II July 5, 2018 Image Credit: NASA/ESA HST/PanCET (Panchromatic Comparative
More informationProfessional / Amateur collaborations in exoplanetary science
Professional / Amateur collaborations in exoplanetary science Alexandre Santerne Instituto de Astrofísica e Ciências do Espaço, Universidade do Porto alexandre.santerne@astro.up.pt Outline Exoplanets:
More informationExoplanet Search Techniques: Overview. PHY 688, Lecture 28 April 3, 2009
Exoplanet Search Techniques: Overview PHY 688, Lecture 28 April 3, 2009 Course administration final presentations Outline see me for paper recommendations 2 3 weeks before talk see me with draft of presentation
More informationCHARACTERIZING EXOPLANETS SATELLITE
JWST Transit Workshop Pasadena CHARACTERIZING EXOPLANETS SATELLITE David Ehrenreich! CHEOPS Mission Scientist s first small-class mission Mass-radius diagram Apparent continuity of masses for exoplanets
More informationAtmospheric Dynamics of Exoplanets: Status and Opportunities
Atmospheric Dynamics of Exoplanets: Status and Opportunities Adam Showman University of Arizona Collaborators: Jonathan Fortney, Lorenzo Polvani, Yuan Lian, Mark Marley, Nikole Lewis, Daniel Perez-Becker,
More informationPolarimetry of exoplanets
Polarimetry of exoplanets Dr. Daphne Stam Aerospace Engineering Technical University Delft The Netherlands This lecture is about Polarimetry of Exoplanets. Exoplanets or extrasolar planets are planets
More informationYoung Solar-like Systems
Young Solar-like Systems FIG.2. Panels(a),(b),and(c)show 2.9,1.3,and 0.87 mm ALMA continuum images of other panels, as well as an inset with an enlarged view of the inner 300 mas centered on the (f) show
More informationDiscovering and Characterizing the Planetary Systems of Nearby Stars The scientific need for medium aperture space coronagraph observations
Discovering and Characterizing the Planetary Systems of Nearby Stars The scientific need for medium aperture space coronagraph observations Prepared for the Planetary Systems and Star Formation science
More informationSPICA Science for Transiting Planetary Systems
SPICA Science for Transiting Planetary Systems Norio Narita Takuya Yamashita National Astronomical Observatory of Japan 2009/06/02 SPICA Science Workshop @ UT 1 Outline For Terrestrial/Jovian Planets 1.
More informationAstronomy 330 HW 2. Outline. Presentations. ! Alex Bara
Astronomy 330 This class (Lecture 10): Origin of the Moon Ilana Strauss Next Class: Our Planet Scott Huber Thomas Hymel HW 2! Alex Bara http://userpages.bright.net/~phobia/main.htm! Margaret Sharp http://hubpages.com/hub/proof-that-ufos-exist---
More informationHow Common Are Planets Around Other Stars? Transiting Exoplanets. Kailash C. Sahu Space Tel. Sci. Institute
How Common Are Planets Around Other Stars? Transiting Exoplanets Kailash C. Sahu Space Tel. Sci. Institute Earth as viewed by Voyager Zodiacal cloud "Pale blue dot" Look again at that dot. That's here.
More informationChallenges and Opportunities in Constraining the Bulk Properties of Super-Earths with Transmission Spectroscopy
Challenges and Opportunities in Constraining the Bulk Properties of Super-Earths with Transmission Spectroscopy Eliza Kempton (Formerly: Miller-Ricci) Assistant Professor of Physics Grinnell College, Grinnell,
More informationWhy Should We Expect to Find Other Planets? Planetary system formation is a natural by-product of star formation
1 Why Should We Expect to Find Other Planets? Planetary system formation is a natural by-product of star formation 2 Why Should We Expect to Find Other Planets? Observations show young stars are surrounded
More informationComparative Planetology: Transiting Exoplanet Science with JWST
Comparative Planetology: Transiting Exoplanet Science with JWST Mark Clampin, JWST Science Working Group, JWST Transits Working Group, Drake Deming, and Don Lindler MarkClampin JWSTObservatoryProjectScientist
More informationFinding terrestrial planets in the habitable zones of nearby stars
Finding terrestrial planets in the habitable zones of nearby stars Part II Astrophysics Essay Simon Hodgkin & Mark Wyatt (on sabbatical) Terrestrial? 15 Exoplanets Solar system 5 4.5 g cm 3 Winn et al.
More informationExoplanetary Science with Mul4- Object Spectrographs (and GLAO) Norio Narita (NAOJ)
Exoplanetary Science with Mul4- Object Spectrographs (and GLAO) Norio Narita (NAOJ) Outline Conclusion of My Considera4ons Current Status of Exoplanetary Science Summary of Previous Discoveries Future
More informationPLANETARY SYSTEM: FROM GALILEO TO EXOPLANETS
PLANETARY SYSTEM: FROM GALILEO TO EXOPLANETS Rosa M. Ros Technical University of Catalonia, Barcelona (Spain) Abstract When in 1610 Galileo Galilei looked at Jupiter with the use of his telescope, he saw
More informationSUPPLEMENTARY INFORMATION
Observing Methods Observations of the lunar eclipse of 2008 Aug 16 th were taken simultaneously with the near-infrared LIRIS and optical ALFOSC spectrographs attached to the William Herschel Telescope
More informationRadiation from planets
Chapter 4 Radiation from planets We consider first basic, mostly photometric radiation parameters for solar system planets which can be easily compared with existing or future observations of extra-solar
More informationCharacterization of Extra-Solar Planets with Direct-Imaging Techniques
Characterization of Extra-Solar Planets with Direct-Imaging Techniques Science White Paper Submitted to Astro2010 February 15, 2009 Primary Author: Giovanna Tinetti University College London g.tinetti@ucl.ac.uk
More informationExtrasolar Planets. Methods of detection Characterization Theoretical ideas Future prospects
Extrasolar Planets Methods of detection Characterization Theoretical ideas Future prospects Methods of detection Methods of detection Methods of detection Pulsar timing Planetary motion around pulsar
More informationThe Doppler Method, or Radial Velocity Detection of Planets: I. Technique
ASTs309L The Doppler Method, or Radial Velocity Detection of Planets: I. Technique 1. Keplerian Orbits 2. Spectrographs/Doppler shifts 3. Precise Radial Velocity measurements ASTs309L The Doppler Effect:
More informationGround-based detection of sodium in the transmission spectrum of exoplanet HD209458b
May 8, 2008 Ground-based detection of sodium in the transmission spectrum of exoplanet HD209458b Snellen I.A.G., Albrecht S., de Mooij E.J.W. and Le Poole R.S. Leiden Observatory, Leiden University, Postbus
More informationSuper Earths: Reflection and Emission Spectra
National Aeronautics and Space Administration Jet Propulsion Laboratory California Institute of Technology tion Pr ogram ExoP Planet Explora Super Earths: Reflection and Emission Spectra Wes Traub 10 November
More informationWhat is to expect from the transit method. M. Deleuil, Laboratoire d Astrophysique de Marseille Institut Universitaire de France
What is to expect from the transit method M. Deleuil, Laboratoire d Astrophysique de Marseille Institut Universitaire de France Transit - method Occurrence: only if the planet orbital plane is close to
More informationKey words: techniques: spectroscopic stars: individual: HD planetary systems.
Mon. Not. R. Astron. Soc. 416, 1443 1455 (2011) doi:10.1111/j.1365-2966.2011.19142.x Hubble Space Telescope transmission spectroscopy of the exoplanet HD 189733b: high-altitude atmospheric haze in the
More informationCharacterizing Exoplanet Atmospheres: a new frontier
Characterizing Exoplanet Atmospheres: a new frontier Mark Swain Jet Propulsion Laboratory, California Institute of Technology Collaborators: Jeroen Bouman, Gautam Vasisht, Giovanna Tinetti, & Angelle Tanner
More informationDreaming of the future: The 2004 Venus transit
6 Dreaming of the future: The 2004 Venus transit For the first time ever, the Venus 2004 transit provided the opportunity to test the technique called Transit Spectroscopy, in a planet whose atmosphere
More informationDirect imaging characterisation of (exo-) planets with METIS
Direct imaging characterisation of (exo-) planets with METIS Jupiter HR8799 Saturn VLT/ISAAC VLT/NACO Cassini/VIMS Wolfgang Brandner (MPIA) with contributions by Ian Crossfield, Lisa Kaltenegger (MPIA),
More informationProxima Cen b: theoretical spectral signatures for different atmospheric scenarios
Proxima Cen b: theoretical spectral signatures for different atmospheric scenarios A. Léger(1), D. Defrère(2), J.L. Grenfell(3), M. Godolt(3), A Garcia Munoz(3), H. Rauer(3), and F. Tian(4) (1) University
More informationThe Hertzprung-Russell Diagram. The Hertzprung-Russell Diagram. Question
Key Concepts: Lecture 21: Measuring the properties of stars (cont.) The Hertzsprung-Russell (HR) Diagram (L versus T) The Hertzprung-Russell Diagram The Stefan-Boltzmann Law: flux emitted by a black body
More informationExoplanet atmospheres
Exoplanet atmospheres at high spectral resolution Matteo Brogi Hubble Fellow, CU-Boulder I. Snellen, R. de Kok, H. Schwarz (Leiden, NL) J. Birkby (CfA, USA), S. Albrecht (Aarhus, DK)! J. Bean (Chicago,
More informationORE Open Research Exeter
ORE Open Research Exeter TITLE A Spitzer search for water in the transiting exoplanet HD 189733b AUTHORS Ehrenreich, D.; Hebrard, G.; Lecavelier des Etangs, A.; et al. JOURNAL Astrophysical Journal DEPOSITED
More informationSpectroscopic search for atmospheric signature of transiting extrasolar planets
Spectroscopic search for atmospheric signature of transiting extrasolar planets http://hubblesite.org /newscenter/archive/ 2001/38/ Department of Physics, University of Tokyo Yasushi Suto Post-Nishinomiya-Yukawa
More informationSynergies between E-ELT and space instrumentation for extrasolar planet science
Synergies between E-ELT and space instrumentation for extrasolar planet science Raffaele Gratton and Mariangela Bonavita INAF Osservatorio Astronomico di Padova - ITALY Main topics in exo-planetary science
More informationExoplanetary Atmospheres: Atmospheric Dynamics of Irradiated Planets. PHY 688, Lecture 24 Mar 23, 2009
Exoplanetary Atmospheres: Atmospheric Dynamics of Irradiated Planets PHY 688, Lecture 24 Mar 23, 2009 Outline Review of previous lecture: atmospheric temperature structure of irradiated planets isothermal
More information3.4 Transiting planets
64 CHAPTER 3. TRANSITS OF PLANETS: MEAN DENSITIES 3.4 Transiting planets A transits of a planet in front of its parent star occurs if the line of sight is very close to the orbital plane. The transit probability
More informationTransiting Extrasolar Planets
Transiting Extrasolar Planets Recent Progress, XO Survey, and the Future Christopher J. Burke Solar System Has Predominately Circular Orbits Top View Side View Planet Formation NASA/JPL-Caltech/R. Hurt
More informationThe Near-Infrared Spectrograph on JWST: Killer Science Enabled by Amazing Technology. Jason Tumlinson STScI Hubble Science Briefing Nov.
The Near-Infrared Spectrograph on JWST: Killer Science Enabled by Amazing Technology Jason Tumlinson STScI Hubble Science Briefing Nov. 21, 2013 1.) Seek the first stars and galaxies that formed in the
More informationKepler, a Planet Hunting Mission
Kepler, a Planet Hunting Mission Riley Duren Kepler Chief Engineer Jet Propulsion Laboratory, California Institute of Technology with thanks to Jim Fanson (Kepler Project Manager) for slide contributions
More informationHST Observations of Planetary Atmospheres
HST Observations of Planetary Atmospheres John T. Clarke Boston University Hubble Science Legacy 3 April 2002 Venus - Near-UV images reveal cloud motions and winds - UV spectra track SO 2 composition,
More informationChapter One. Introduction 1.1 EXOPLANETS FROM AFAR
Chapter One Introduction 1.1 EXOPLANETS FROM AFAR The search for our place in the cosmos has fascinated human beings for thousands of years. For the first time in human history we have technological capabilities
More informationThe Physics of Exoplanets
The Physics of Exoplanets Heike Rauer Institut für Planetenforschung, DLR, Berlin-Adlershof, Zentrum für Astronomie und Astrophysik, TU Berlin Formation in protoplanetary disk, migration Loss of primary,
More informationExo-Planetary atmospheres and host stars. G. Micela INAF Osservatorio Astronomico di Palermo
Exo-Planetary atmospheres and host stars G. Micela INAF Osservatorio Astronomico di Palermo Thousands of exoplanets discovered. Huge range of masses, sizes and orbits. Jupiters Neptunes Super-Earths Earths
More informationarxiv:astro-ph/ v1 3 Mar 2004
Mon. Not. R. Astron. Soc. 000, 000 000 (0000) Printed 15 April 2018 (MN LATEX style file v2.2) A powerful new method for probing the atmospheres of transiting exoplanets arxiv:astro-ph/0403101v1 3 Mar
More informationAstronomy 330 HW 2. Outline. Presentations. ! Kira Bonk ascension.html
Astronomy 330 This class (Lecture 11): What is f p? Eric Gobst Suharsh Sivakumar Next Class: Life in the Solar System HW 2 Kira Bonk http://www.ufodigest.com/news/0308/ ascension.html Matthew Tenpas http://morphman.hubpages.com/hub/alien-
More informationarxiv: v3 [astro-ph.ep] 21 Mar 2017
Mon. Not. R. Astron. Soc. 000, 1 11 (2015) Printed 22 March 2017 (MN LATEX style file v2.2) arxiv:1509.03984v3 [astro-ph.ep] 21 Mar 2017 Effects of refraction on transmission spectra of gas giants: decrease
More informationExtrasolar planets and their hosts: Why exoplanet science needs X-ray observations
Extrasolar planets and their hosts: Why exoplanet science needs X-ray observations Dr. Katja Poppenhaeger Sagan Fellow Harvard-Smithsonian Center for Astrophysics Exoplanets Exoplanets in 2005 (from the
More information[25] Exoplanet Characterization (11/30/17)
1 [25] Exoplanet Characterization (11/30/17) Upcoming Items APOD 12/2/16 1. Read chapters 24.1-24.3 for Tuesday 2. We will have a final exam review in the last discussion section (Friday, Dec 8) and also
More informationSearching for Extra-Solar Planets
Searching for Extra-Solar Planets Until 1996, astronomers only knew about planets orbiting our sun. Though other planetary systems were suspected to exist, none had been found. Now, thirteen years later,
More information1. Cosmology is the study of. a. The sun is the center of the Universe. b. The Earth is the center of the Universe
Section 1: The Universe 1. Cosmology is the study of. 2. Identify the type of cosmology a. The sun is the center of the Universe b. The Earth is the center of the Universe 3. The two most abundant gases
More informationJournal of Astrobiology and Outreach Dr. Jean Schneider Editorial Board member
Journal of Astrobiology and Outreach Dr. Jean Schneider Editorial Board member Senior Researcher in Astronomy Univers et Théorie Paris Observatory Meudon France Biography Dr. Jean Schneider He is a Promoter
More informationThere are 4 x stars in the Galaxy
ExtraSolar Planets Our solar system consists of 1 Star 4 Jovian planets (+ icy moons) 4 Terrestrial planets The asteroid belt (minor planets) The Kuiper belt (dwarf planets, plutinos and TNOs) The Oort
More informationThe Galactic Exoplanet Survey Telescope (GEST)
The Galactic Exoplanet Survey Telescope (GEST) D. Bennett (Notre Dame), J. Bally (Colorado), I. Bond (Auckland), E. Cheng (GSFC), K. Cook (LLNL), D. Deming, (GSFC) P. Garnavich (Notre Dame), K. Griest
More informationLab 5: Searching for Extra-Solar Planets
Lab 5: Searching for Extra-Solar Planets Until 1996, astronomers only knew about planets orbiting our sun. Though other planetary systems were suspected to exist, none had been found. Now, thirteen years
More information4. Direct imaging of extrasolar planets. 4.1 Expected properties of extrasolar planets. Sizes of gas giants, brown dwarfs & low-mass stars
4. Direct imaging of extrasolar planets Reminder: Direct imaging is challenging: The proximity to its host star: 1 AU at 1 for alpha Cen 0.15 for the 10th most nearby solar-type star The low ratio of planet
More informationVenus atmosphere is enigmatic with many unsolved questions. Two prominent puzzles are:
Venus atmosphere is enigmatic with many unsolved questions. Two prominent puzzles are: How is it that Venus clouds rotate at a rate 50x that of the solid body and why has the atmospheric rotation rate
More informationObservational Techniques: Ground-based Transits
Observational Techniques: Ground-based Transits Mercedes López-Morales Carnegie Institution of Washington 2009 Sagan Exoplanet Summer Workshop: Exoplanetary Atmospheres Work funded by: Why ground-based
More informationarxiv:astro-ph/ v1 2 Oct 2002
**TITLE** ASP Conference Series, Vol. **VOLUME***, **YEAR OF PUBLICATION** **NAMES OF EDITORS** The Extra-Solar Planet Imager (ESPI) arxiv:astro-ph/0210046v1 2 Oct 2002 P. Nisenson, G.J. Melnick, J. Geary,
More informationLecture Outlines. Chapter 11. Astronomy Today 8th Edition Chaisson/McMillan Pearson Education, Inc.
Lecture Outlines Chapter 11 Astronomy Today 8th Edition Chaisson/McMillan Chapter 11 Jupiter Units of Chapter 11 11.1 Orbital and Physical Properties 11.2 Jupiter s Atmosphere Discovery 11.1 A Cometary
More informationOptimal measures for characterizing water-rich super-earths
International Journal of Astrobiology 14 (2): 177 189 (2015) doi:10.1017/s1473550414000421 Cambridge University Press 2014 Optimal measures for characterizing water-rich super-earths Nikku Madhusudhan
More informationFinding Extra-Solar Earths with Kepler. William Cochran McDonald Observatory
Finding Extra-Solar Earths with Kepler William Cochran McDonald Observatory Who is Bill Cochran? Senior Research Scien;st McDonald Observatory Originally interested in outer planet atmospheres Started
More informationActuality of Exoplanets Search. François Bouchy OHP - IAP
Actuality of Exoplanets Search François Bouchy OHP - IAP How detect extrasolar planets? Two main difficulties : 1 A tiny angular separation 0.75 arcsec Sun Jupiter at 4 light years 4 Sun Jupiter at 100
More informationSearch for & Characterizing Small Planets with NASA s Kepler Mission
Search for & Characterizing Small Planets with NASA s Kepler Mission Eric Ford University of Florida SAMSI Astrostatistics Workshop September 21, 2012 Image credit: NASA/ESA/StSci Golden Age for Planet
More information