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The aim of the Degenerate Objects around Degenerate Objects (DODO) survey is to search for very low mass brown dwarfs and extrasolar planets in wide orbits around white dwarfs via direct imaging. The direct detection of such companions…

Earth and Planetary Astrophysics · Physics 2011-04-05 E. Hogan , M. R. Burleigh , F. J. Clarke

Direct imaging of exoplanetary systems is a powerful technique that can reveal Jupiter-like planets in wide orbits, can enable detailed characterization of planetary atmospheres, and is a key step towards imaging Earth-like planets. Imaging…

Astrophysics · Physics 2009-09-17 C. Marois , B. Macintosh , T. Barman , B. Zuckerman , I. Song , J. Patience , D. Lafreniere , R. Doyon

Radio interferometry is the current method of choice for deep space astronomy, but in the past few decades optical techniques have become increasingly common. This research seeks to characterize the performance of aperture masking…

Instrumentation and Methods for Astrophysics · Physics 2020-08-28 Kyle Morgenstein

This paper examines options for orbit configurations for a space interferometer. In contrast to previously presented concepts for space very long baseline interferometry, we propose a combination of regular and retrograde near-Earth…

Instrumentation and Methods for Astrophysics · Physics 2023-07-26 A. G. Rudnitskiy , M. A. Shchurov , S. V. Chernov , T. A. Syachina , P. R. Zapevalin

We present mid-infrared photometry of 124 white dwarf stars with Spitzer Space Telescope. Objects were observed simultaneously at 4.5 and 8.0um with sensitivities better than 1 mJy. This data can be used to test models of white dwarf…

Astrometry is one of the oldest branches of astronomy which measures the position, the proper motion and parallax of celestial objects. Following the Hipparcos and Gaia missions that have measured several billions of them using global…

Because of the recent technological advances, the key technologies needed for precision space optical astrometry are now in hand. The Microarcsecond Astrometry Probe (MAP) mission concept is designed to find 1 Earth mass planets at 1AU…

Instrumentation and Methods for Astrophysics · Physics 2018-03-13 Michael Shao , Slava G. Turyshev , Eduardo Bendek , Debra Fischer , Olivier Guyon , Barbara McArthur , Matthew Muterspaugh , Chengxing Zhai , Celine Boehm

WFIRST will conduct a coronagraphic program of characterizing the atmospheres of planets around bright nearby stars. When observed with the WFIRST Wide Field Camera, these stars will saturate the detector and produce very strong diffraction…

Instrumentation and Methods for Astrophysics · Physics 2018-02-08 Peter Melchior , David Spergel , Arianna Lanz

The Mid-Infrared Instrument (MIRI) aboard the James Webb Space Telescope (JWST) provides the observatory with a huge advance in mid-infrared imaging and spectroscopy covering the wavelength range of 5 to 28 microns. This paper describes the…

The James Webb Space Telescope (JWST) is a large, infrared space telescope that has recently started its science program which will enable breakthroughs in astrophysics and planetary science. Notably, JWST will provide the very first…

Instrumentation and Methods for Astrophysics · Physics 2023-05-31 Michael W. McElwain , Lee D. Feinberg , Marshall D. Perrin , Mark Clampin , C. Matt Mountain , Matthew D. Lallo , Charles-Philippe Lajoie , Randy A. Kimble , Charles W. Bowers , Christopher C. Stark , D. Scott Acton , Ken Aiello , Charles Atkinson , Beth Barinek , Allison Barto , Scott Basinger , Tracy Beck , Matthew D. Bergkoetter , Marcel Bluth , Rene A. Boucarut , Gregory R. Brady , Keira J. Brooks , Bob Brown , John Byard , Larkin Carey , Maria Carrasquilla , Sid Celeste , Dan Chae , David Chaney , Pierre Chayer , Taylor Chonis , Lester Cohen , Helen J. Cole , Thomas M. Comeau , Matthew Coon , Eric Coppock , Laura Coyle , Rick Davis , Bruce H. Dean , Kenneth J. Dziak , Michael Eisenhower , Nicolas Flagey , Randy Franck , Benjamin Gallagher , Larry Gilman , Tiffany Glassman , Gary Golnik , Joseph J. Green , John Grieco , Shari Haase , Theodore J. Hadjimichael , John G. Hagopian , Walter G. Hahn , George F. Hartig , Keith A. Havey , William L. Hayden , Robert Hellekson , Brian Hicks , Sherie T. Holfeltz , Joseph M. Howard , Jesse A. Huguet , Brian Jahne , Leslie A. Johnson , John D. Johnston , Alden S. Jurling , Jeffrey R. Kegley , Scott Kennard , Ritva A. Keski-Kuha , J. Scott Knight , Bernard A. Kulp , Joshua S. Levi , Marie B. Levine , Paul Lightsey , Robert A. Luetgens , John C. Mather , Gary W. Matthews , Andrew G. McKay , Kimberly I. Mehalick , Marcio Meléndez , Ted Messer , Gary E. Mosier , Jess Murphy , Edmund P. Nelan , Malcolm B. Niedner , Darin M. Noël , Catherine M. Ohara , Raymond G. Ohl , Eugene Olczak , Shannon B. Osborne , Sang Park , Kevin Patton , Charles Perrygo , Laurent Pueyo , Lisbeth Quesnel , Dale Ranck , David C. Redding , Michael W. Regan , Paul Reynolds , Rich Rifelli , Jane R. Rigby , Derek Sabatke , Babak N. Saif , Thomas R. Scorse , Byoung-Joon Seo , Fang Shi , Norbert Sigrist , Koby Smith , J. Scott Smith , Erin C. Smith , Sangmo Tony Sohn , John Spina , H. Philip Stahl , Randal Telfer , Todd Terlecki , Scott C. Texter , David Van Buren , Julie M. Van Campen , Begoña Vila , Mark F. Voyton , Mark Waldman , Chanda B. Walker , Nick Weiser , Conrad Wells , Garrett West , Tony L. Whitman , Eric Wick , Erin Wolf , Greg Young , Thomas P. Zielinski

The Space Interferometry Mission (SIM) will make precise astrometric measurements that can be used to detect planets around nearby stars. We have simulated SIM observations and estimated the ability of SIM to detect planets with given…

Astrophysics · Physics 2009-11-07 Eric B. Ford , Scott Tremaine

One of the primary goals of exoplanet science is to find and characterize habitable planets, and direct imaging will play a key role in this effort. Though imaging a true Earth analog is likely out of reach from the ground, the coming…

The Near-Inrared Spectrograph (NIRSpec) on the James Webb Space Telescope (JWST) is a very versatile instrument, offering multiobject and integral field spectroscopy with varying spectral resolution ($\sim$30 to $\sim$3000) over a wide…

The Planet Formation Imager (PFI) is a future world facility that will image the process of planetary formation. It will have an angular resolution and sensitivity sufficient to resolve sub-Hill sphere structures around newly formed giant…

Instrumentation and Methods for Astrophysics · Physics 2014-07-29 Michael J. Ireland , John D. Monnier

The Wide Field X-Ray Telescope (WFXT) is a medium-class mission designed to be 2-orders-of-magnitude more sensitive than any previous or planned X-ray mission for large area surveys and to match in sensitivity the next generation of…

Cosmology and Nongalactic Astrophysics · Physics 2010-11-01 P. Rosati , S. Borgani , R. Gilli , M. Paolillo , P. Tozzi , S. Murray , R. Giacconi , A. Ptak , M. Weisskopf , W. Forman , C. Jones , the WFXT Team

With the development of high contrast imaging techniques and infrared detectors, vast efforts have been devoted during the past decade to detect and characterize lighter, cooler and closer companions to nearby stars, and ultimately image…

The proposed global astrometry mission {\it GAIA}, recently recommended within the context of ESA's Horizon 2000 Plus long-term scientific program, appears capable of surveying the solar neighborhood within $\sim$ 200 pc for the astrometric…

Astrophysics · Physics 2009-10-31 M. G. Lattanzi , A. Spagna , A. Sozzetti , S. Casertano

The Large Binocular Telescope Interferometer (LBTI) is a strategic instrument of the LBT designed for high-sensitivity, high-contrast, and high-resolution infrared (1.5-13 $\mu$m) imaging of nearby planetary systems. To carry out a wide…

SIM PlanetQuest (Space Interferometry Mission) is a space-borne Michelson interferometer for precision stellar astrometry, with a nine meter baseline, currently slated for launch in 2015. One of the principal science goals is the…

Astrophysics · Physics 2009-11-11 Joseph Catanzarite , Michael Shao , Angelle Tanner , Stephen Unwin , Jeffrey Yu
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