Current schedule

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Go to: '''[[Fall 2012]]'''
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Schedules from past years: [[2011-2012]], [[2012-2013]], [[2013-2014]]
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Go to: '''[[Winter 2013]]'''
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Go to: '''[[Fall 2014]]''', '''[[Winter 2015]]'''
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Go to: '''[[Spring 2013]]'''
 
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Go to: '''[[Summer 2013]]'''
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== Spring 2015 ==
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Go to: '''[[Fall 2013]]'''
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'''3/30'''
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Go to: '''[[Winter 2014]]'''
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[http://arxiv.org/abs/1503.06945 Batygin & Laughlin - Jupiter's Decisive Role in the Inner Solar System's Early Evolution]
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Go to: '''[[Spring 2014]]'''
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[http://arxiv.org/abs/1503.07528 Demory et al. - HST transit search for Alpha Cen Bb]
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Go to: '''[[Summer 2014]]'''
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[http://arxiv.org/abs/1503.07864 Raddi et al. - Likely detection of water-rich asteroid debris in a metal-polluted white dwarf]
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[http://arxiv.org/abs/1503.04835 Goldblatt - Habitability of waterworlds]
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'''9/29'''
 
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Recent arXiv papers:
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'''4/6'''
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[http://arxiv.org/abs/1409.7566 WASP-94 A and B planets: hot-Jupiter cousins in a twin-star system - Neveu-VanMalle et al.]
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[http://arxiv.org/abs/1503.06945 Batygin & Laughlin], continued discussion
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[http://arxiv.org/abs/1409.0978 Short dissipation times of proto-planetary discs - an artifact of selection effects? - Pfalzner et al.]
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[http://arxiv.org/abs/1504.00051 Batygin et al. - Dynamical Evolution of Multi-Resonant Systems: the Case of GJ876]
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[http://arxiv.org/abs/1504.00401 Schwartzman - The Case for a Hot Archean Climate and its Implications to the History of the Biosphere]
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'''10/13'''
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[http://arxiv.org/abs/1503.05590 Pillitteri et al. - FUV flaring and potential accretion on HD189733]
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Kevin Stevenson and Laura Kreidberg on recent full-phase-curve observations:
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[http://arxiv.org/abs/1503.09111 Maxted et al. - A comparison of gyrochronological and isochronal age estimates for transiting exoplanet host stars]
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[http://arxiv.org/abs/1410.2241 Paper 1]. [http://arxiv.org/abs/1410.2255 Paper 2], [http://arxiv.org/abs/1410.2382 Paper 3]
 
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'''4/13'''
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'''10/17'''
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Kepler phase curves of hot Jupiters: [http://arxiv.org/abs/1504.00498 Shporer & Hu] & [http://arxiv.org/abs/1501.03876 Hu et al.]
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Jonathan Fortney
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[http://arxiv.org/abs/1504.01160 Tremaine - The statistical mechanics of planet orbits]
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Geosci colloquium: "Towards Understanding the Composition of Exoplanets"
 
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'''10/20'''
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'''4/20'''
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Recent papers:
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[http://arxiv.org/abs/1504.04028 Holczer et al. - Time variation of Kepler transits induced by stellar rotating spots]
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[http://arxiv.org/pdf/1410.4199.pdf Dan's ARAA review paper]  
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[http://arxiv.org/abs/1504.04379 Sanchis-Ojeda et al. - K2 discovery of a two-tailed disintegrating planet??]
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[http://arxiv.org/abs/1410.2604 Dawson & Chiang]
 
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[http://onlinelibrary.wiley.com/doi/10.1002/2014EO250001/abstract Nick Cowan's planetary perspective on exoplanet science]
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'''4/27'''
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[http://arxiv.org/abs/1504.05586 Kreidberg et al. - A Detection of Water in the Transmission Spectrum of the Hot Jupiter WASP-12b and Implications for its Atmospheric Composition]
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'''10/27'''
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[http://arxiv.org/abs/1504.06365 Lewis et al. - Extrasolar Binary Planets II: Detectability by Transit Observations]
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Dong Lai (Cornell)
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[http://arxiv.org/abs/1504.05962 Martins et al. - Evidence for a spectroscopic direct detection of reflected light from 51 Peg b]
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[also giving the 10/29 Astro colloquium]
 
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Star-Disk-Binary Interaction, Lidov-Kozai-Spin Chaos, and Formation of Misaligned Hot Jupiters
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'''5/4'''
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I will discuss the possibility of primordial misalignment in protoplanetary disks, chaotic spin evolution during Lidov-Kozai cycles, and high-eccetricty migration, all in connection with the observations and formation of hot Jupiter systems.
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[http://arxiv.org/abs/1504.07995 Nelson et al. - An Empirically Derived Three-Dimensional Laplace Resonance in the Gliese 876 Planetary System]
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References:
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[http://arxiv.org/abs/1504.06629 Fulton et al. - Three Super-Earths Orbiting HD 7924]
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(1) Lai 2014 MNRAS:
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[http://arxiv.org/abs/1504.07557 Wolfgang et al. - Probabilistic Mass-Radius Relationship for Sub-Neptune-Sized Planets]
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http://adsabs.harvard.edu/abs/2014MNRAS.440.3532L
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(2) Storch, Anderson and Lai 2014 Science:
 
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http://www.sciencemag.org/content/345/6202/1317.abstract
 
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'''5/11'''
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'''11/7''', Friday 1:30 pm, LASR conference room
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Francesca Valsecchi (Northwestern)
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Fabienne Bastien (Sagan Fellow, Penn State)
 
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Enhancing Exoplanet Discovery and Characterization through Stellar Photometric “Flicker”
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'''5/18'''
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As a result of the high precision and cadence of surveys like MOST, CoRoT, and Kepler, we may now directly observe the very low-level light variations arising from stellar granulation in cool stars. In this talk, we discuss how this enables us to more accurately determine the physical properties of Sun-like stars, to understand the nature of surface convection and its connection to activity, and to better determine the properties of planets around cool stars. Indeed, such sensitive photometric "flicker" variations are now within reach for thousands of stars, and we estimate that upcoming missions like TESS will enable such measurements for ~100 000 stars. We present recent results that tie “flicker” to granulation and enable a simple measurement of stellar surface gravity with a precision of 0.1 dex. We use this, together and solely with two other simple ways of characterizing the stellar photometric variations in a high quality light curve, to construct an evolutionary diagram for Sun-like stars from the Main Sequence on towards the red giant branch. We discuss further work that correlates “flicker” with stellar density, allowing the application of astrodensity profiling techniques used in exoplanet characterization to many more stars. We also present results suggesting that the granulation of F stars must be magnetically suppressed in order to fit observations. Finally, we show that we may quantitatively predict a star's RV jitter using our evolutionary diagram, permitting the use of discovery light curves to help prioritize follow-up observations of transiting exoplanets.
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[http://arxiv.org/abs/1505.01816 Migaszewski - On the migration of two planets in a disc and the formation of mean motion resonances]
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[http://arxiv.org/abs/1504.07655 Benneke - Strict Upper Limits on the Carbon-to-Oxygen Ratios of Eight Hot Jupiters from Self-Consistent Atmospheric Retrieval]
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'''11/10'''
 
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Recent results:
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'''6/1'''
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[http://phys.org/news/2014-11-birth-planets-revealed-astonishing-alma.html HL Tau imaging from ALMA]
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[http://arxiv.org/abs/1505.07885 Soubiran & Militzer - Miscibility calculations for water and hydrogen in giant planets]
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Jun Yang & Dorian Abbott on their latest paper: [http://arxiv.org/abs/1411.0540 Water Trapping on Tidally Locked Terrestrial Planets Requires Special Conditions].
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[http://arxiv.org/abs/1505.07832 Greco & Burrows - The Direct Detectability of Giant Exoplanets in the Optical]
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[http://arxiv.org/abs/1505.00269 Demory et al. - Variability in the super-Earth 55 Cnc e]
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'''11/17'''
 
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Philae's landing on Comet 67P
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'''6/8'''
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[http://arxiv.org/abs/1411.3724 The MINERVA project for automated RV planet-finding]
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[http://arxiv.org/abs/1505.05749 Martin et al. - No circumbinary planets transiting the tightest Kepler binaries]
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[http://arxiv.org/abs/1411.1754 Prospects for transit observations with JWST]
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[http://arxiv.org/abs/1506.01723 Stark et al. - Lower Limits on Aperture Size for an ExoEarth-Detecting Coronagraphic Mission]
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'''11/24'''
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Recent arXiv papers
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'''12/1'''
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Recent papers:
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[http://arxiv.org/pdf/1411.7412.pdf Luger & Barnes - extreme water loss on planets around M dwarfs]
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[http://arxiv.org/pdf/1411.7660.pdf de Mooij et al. - ground-based transit observations of 55 Cnc e]
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[http://arxiv.org/pdf/1411.7761.pdf Chavez et al. - Kepler circumbinary planet stability]
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[http://arxiv.org/pdf/1411.5066.pdf Batygin et al. - Chaotic disintegration of the inner solar system]
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[http://arxiv.org/pdf/1411.7028.pdf Kipping et al. - exo-moons (or the lack thereof)]
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[http://arxiv.org/pdf/1411.7404.pdf Deming et al. - Spitzer secondary eclipse observations & instrumental systematics]
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(Date TBD
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Nicolas Dauphas, Geochemical perspective on planet formation.)
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Latest revision as of 21:19, 8 June 2015

Sign up here for the email list, if you are local and want to hear about meeting announcements.

Meetings are usually in the upper geosci conference room (Hinds 451). They take place generally on Mondays at 3 pm.

Other exoplanet-themed talks and events at UChicago, beyond this reading group, are shown in double brackets.


Schedules from past years: 2011-2012, 2012-2013, 2013-2014

Go to: Fall 2014, Winter 2015


[edit] Spring 2015

3/30

Batygin & Laughlin - Jupiter's Decisive Role in the Inner Solar System's Early Evolution

Demory et al. - HST transit search for Alpha Cen Bb

Raddi et al. - Likely detection of water-rich asteroid debris in a metal-polluted white dwarf

Goldblatt - Habitability of waterworlds


4/6

Batygin & Laughlin, continued discussion

Batygin et al. - Dynamical Evolution of Multi-Resonant Systems: the Case of GJ876

Schwartzman - The Case for a Hot Archean Climate and its Implications to the History of the Biosphere

Pillitteri et al. - FUV flaring and potential accretion on HD189733

Maxted et al. - A comparison of gyrochronological and isochronal age estimates for transiting exoplanet host stars


4/13

Kepler phase curves of hot Jupiters: Shporer & Hu & Hu et al.

Tremaine - The statistical mechanics of planet orbits


4/20

Holczer et al. - Time variation of Kepler transits induced by stellar rotating spots

Sanchis-Ojeda et al. - K2 discovery of a two-tailed disintegrating planet??


4/27

Kreidberg et al. - A Detection of Water in the Transmission Spectrum of the Hot Jupiter WASP-12b and Implications for its Atmospheric Composition

Lewis et al. - Extrasolar Binary Planets II: Detectability by Transit Observations

Martins et al. - Evidence for a spectroscopic direct detection of reflected light from 51 Peg b


5/4

Nelson et al. - An Empirically Derived Three-Dimensional Laplace Resonance in the Gliese 876 Planetary System

Fulton et al. - Three Super-Earths Orbiting HD 7924

Wolfgang et al. - Probabilistic Mass-Radius Relationship for Sub-Neptune-Sized Planets


5/11

Francesca Valsecchi (Northwestern)


5/18

Migaszewski - On the migration of two planets in a disc and the formation of mean motion resonances

Benneke - Strict Upper Limits on the Carbon-to-Oxygen Ratios of Eight Hot Jupiters from Self-Consistent Atmospheric Retrieval


6/1

Soubiran & Militzer - Miscibility calculations for water and hydrogen in giant planets

Greco & Burrows - The Direct Detectability of Giant Exoplanets in the Optical

Demory et al. - Variability in the super-Earth 55 Cnc e


6/8

Martin et al. - No circumbinary planets transiting the tightest Kepler binaries

Stark et al. - Lower Limits on Aperture Size for an ExoEarth-Detecting Coronagraphic Mission