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Adventures in High Angular Resolution Astrophysics Mike Sitko SSI/CEPS - 27/4/2016

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Adventures in High Angular Resolution Astrophysics

Mike Sitko

SSI/CEPS - 27/4/2016

How do planetary systems form &

evolve?

1.  Look at “baby” planetary systems "2.  look at mature planetary systems "

SSI/CEPS - 27/4/2016

Beyond the “frost line” ice can condense, allowing more massive planets to form

Refractories (rock, metal)

volatiles (ices & gas) and refractories

Silicates: Pyroxenes, Olivines Volatile Ices

SSI/CEPS - 27/4/2016

(Mg,Fe,Ca)SiO3,(Mg,Fe)2SiO4 H2O,CH 4 ,NH 3

Jupiter

Earth

Super-Earths

Hot Jupiters

Jupiter

55 Cancri e

SSI/CEPS - 27/4/2016

Okay, where did all the “Hot Jupiters” come from?

Cannot form inside the snow/frost line

Formed further out & migrated - planet-disk drag

A nice “little” (8 MB) of one example, by Phil Armitage, U Colorado

start

SSI/CEPS - 27/4/2016

Also, planetary migration

“Nice Model”""“Grand Tack”"

SSI/CEPS- 27/4/2016

“Pre-Transitional Disks”

SSI/CEPS - 27/4/2016

High Angular Resolution Astrophysics:

• Direct Imaging• Interferometry

SSI/CEPS - 27/4/2016

Adaptive Optics

In actual operation....

SSI/CEPS - 27/4/2016

Subaru High Contrast Instrumentation

Subaru – 8.2 m telescope"AO 188"Classical Lyot Coronagraph"HiCIAO – NIR Science camera"Direct Imaging"Simultaneous Differential Imaging"Polarization Differential Imaging"Modes can be combined"

Strategic Exploration of Exoplanets and Disks with Subaru

SSI/CEPS - 27/4/2016

SAO 206462

from Muto et al.2012, "ApJL, 748, L22"

SSI/CEPS - 27/4/2016

Inner Disk Structure from InterferometryVery Large Telescope Interferometer - VLTILargest baseline 130 m.

Spatial resolution - a few milli-arcsec

http://www.youtube.com/watch?v=u5GzsdwdnWMSSI/CEPS - 27/4/2016

Page 15: Adventures in High Angular Resolution AstrophysicsAdventures in High Angular Resolution Astrophysics Mike Sitko SSI/CEPS - 27/4/2016 How do planetary systems form & evolve? 1. Look

Non-Redundant Sparse Aperture Mask Interferometry

Sallum & Follette 2015

Protoplanets in a disk

SSI/CEPS - 27/4/2016

V1247 Ori, a Gapped Pre-Transitional Disk

from Kraus et al. 2013, ApJ, 768, 80

(like HD 142527)

VLTIKeck Interf.

Gemini Speckle

Keck SAM

Page 17: Adventures in High Angular Resolution AstrophysicsAdventures in High Angular Resolution Astrophysics Mike Sitko SSI/CEPS - 27/4/2016 How do planetary systems form & evolve? 1. Look

The New Reality!

Subaru Telescope SCExAO

Apodized Spot

“Extreme Adaptive Optics”

Also SPHERE (VLT), GPI (Gemini)SSI/CEPS - 27/4/2016

Page 18: Adventures in High Angular Resolution AstrophysicsAdventures in High Angular Resolution Astrophysics Mike Sitko SSI/CEPS - 27/4/2016 How do planetary systems form & evolve? 1. Look

Atacama Large Millimeter/submillimeter Array (ALMA)

HL Tau"

SSI/CEPS - 27/4/2016

Large Binocular TelescopeMt. Graham, Arizona

Expected spatial resolution ~0.01 arcsec

SSI/CEPS - 27/4/2016

Tensor Distribution Function in Multiple Shell High Angular Resolution Diffusion Imaging Tensor Distribution Function in Multiple Shell High Angular Resolution

Brian Chisanga and Nicholas J. Sitko...The National Consumption Requirement Study for Edible Oils in Zambia by Brian Chisanga and Nicholas J. Sitko Submitted to Zambia National Farmers’

EPOXI Spacecraft Instrument Temperatures v3.0 First Review (Sitko)

HIGH RESOLUTION ANALOGICAL MEASUREMENT OF THE … · High Resolution Analogical Measurement of the Angular Velocity of a Motor Using a Low Resolution Optical Encoder José G. N. de

Remote fiber optic angular-orientation sensor using phase ... · tion resolution between zero and ninety degrees, ... The PROM provides an output corresponding to the angular position

Mid-infrared properties of nearby low-luminosity AGN at high angular resolution

Ultra-High Angular Resolution VLBI - Science Website · 2014-07-30 · Ultra-High Angular Resolution VLBI enabled by mm-VLBI Tuesday, May 20, 14. The quest for high resolution VLBI

High Angular Resolution Studies of the Structure and … angular resolution studies of the structure and evolution of protoplanetary disks Thesis by Joshua A. Eisner In Partial Fulﬁllment

ON THE ANGULAR RESOLUTION OF THE AGILE GAMMA-RAY …

Hands on Tutorial: ALMA Imaging...baselines-Angular resolution degraded, better sensitivity • Uniform-More weight give to long baselines-Angular resolution enhanced, sensitivity

Science at Very High Angular Resolution with the Square ...authors.library.caltech.edu/36919/7/PASA CSIRO.pdf · Science at Very High Angular Resolution with the Square ... Auckland

Characterization of the error budget of the Alba-NOMiwxm.cells.es/docs/IWXM12_NICOLAS_05.pdf · synchrotronlight source Resolution(linear) 1nm Resolution(angular) 41nrad Maximumsamplingrate

Drawing Trees with Perfect Angular Resolution and

Astronomy at High Angular Resolution · to achieve high angular resolution and they have led to an amazing number of new discoveries. A summary of the workshop themes is presented

Exclusive Interview: Jennifer Sitko Part 1

High Angular Resolution Studies of the Structure and Evolution of Protoplanetary Disks

Spectroscopy: High angular resolution with selectable spectral resolution

Scene Reconstruction from High Spatio-Angular Resolution

Using High Angular Resolution Diffusion Imaging Data to ...sereno/papers/DTiCortex13.pdfUsing High Angular Resolution Diffusion Imaging Data to Discriminate Cortical Regions Zoltan

Trade-offs between Angular and Spatial Resolution in High Angular Resolution Diffusion Imaging Liang Zhan 1, Neda Jahanshad 1, Alex D. Leow 2,3, Matt A

Research Article Statistical Angular Resolution Limit for Ultrawideband MIMO …downloads.hindawi.com/journals/ijap/2015/906313.pdf · 2019. 7. 31. · e two-dimensional angular resolution

High angular resolution with near-infrared Adaptive Optics in the era of the Virtual Observatory

Angular Resolution

Prototype High Angular Resolution LEKIDs for NIKA2 · Prototype High Angular Resolution LEKIDs for NIKA2 1. Institut de RadioAstronomie Millimétrique (IRAM) 2. Université Grenoble

EPOXI Spacecraft Instrument Temperatures v3.0 First Review (Sitko)

Principal: Candide Sitko Vice Principal: Paula McIntee 91

Linear and angular encoders - Tafelschere | Tafelscheren · Fagor angular encoders provide high resolution and high quality solutions and may be used in applications such as indexers,

Spatial-Angular Interaction for Light Field Image Super-Resolution · 2019-12-18 · Spatial-Angular Interaction for Light Field Image Super-Resolution Yingqian Wang 1 , Longguang

Infrared spatial interferometer (ISI) High Spectral resolution, high angular resolution and new techniques K.S. Abdeli P. Barele M. Bester A. Betz* K

1. angular resolution ability to distinguish between two adjacent objects in the sky

Uniform angular resolution integral imaging display with ...3dot.knu.ac.kr/wordpress/wp-content/uploads/2015/... · 2. Angular Resolution in Proposed Integral Imaging Display In directional

Spectroscopy: High angular resolution with selectable spectral resolution (or addressing the scientific problem with the optimal sampling)

THE HIGH ANGULAR RESOLUTION MULTIPLICITY OF …

Angular resolution improvement by using multi-radar and ......Angular Resolution Improvement by Using Multi-Radar and FBSS MUSIC DoA Estimation Algorithm Henna Paaso1 and Mervi Hirvonen2

Spring 2007 For information about citing these materials or our … · 2020-03-10 · MWA Angular Resolution 1 10 100 1000 10 100 1000 Frequency (MHz) Angular Resolution (Arcseconds)