Space-Based Interferometric Detection of Extrasolar Planets
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Interferometry extrasolar planet planet detection ↗
Engineering topics
Unwin, S.
Publications and source records attributed to Unwin, S..
Planet Detection with SIM in Narrow Angle Mode
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Space Interferometry Mission Planet Search Astrome↗
Low Frequency Radio Astronomy from Above the Ionosphere
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VLBI low frequency interferometry surveys↗
Science with the Space Interferometry Mission
The Space Interferometry Mission (SIM) will be NASA's first space-based optical interferometer designed for precision astrometry.
Space↗
VSOP and Ground-Based VLBI Imaging of the TEV Blazar Markarian 421 at Multiple Epochs
We present thirty VLBI images of the Tev blazar Markarian 421 (1101+384) at fifteen epochs spanning the time range from 1994 to 1997, and at six different frequencies form 2.3 to 43 GHz.
VSOP VLBI Blazars↗
Space Interferometry Mission: Measuring the Universe
The Space Interferometry Mission (SIM) will be the NASA Origins Program's first space based long baseline interferometric observatory.
SIM Interferometer Space Mission Interferometry↗
Space Interferometry Mission: Measuring the Universe
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SIM Interferometer Space Mission Interferometry↗
Searching for Planets with the Space Interferometry Mission
The Space Interferometry Mission (SIM) is designed as a space-based optical interferometer operating in the visible waveband. This mission will open up many areas of astrophysics, via astrometry with unprecedented accuracy during its 5-year mission.
astrometry↗
Markarian 421's Unusual Satellite Galaxy
We present Hubble Space Telescope (HST) imagery, and ground-based spectroscopy and CCD photometry of the active galaxy Markarian 421 and its companion galaxy 14 arcsec to the ENE.
BL lacertae objects galaxies-binary galaxies-inter↗
The Astronomical Low Frequency Array: A Proposed Explorer Mission for Radio Astronomy
A radio interferometer array in space providing high dynamic range images with unprecedented angular resolution over the broad frequency range from 0.030 - 30 MHz will open new vistas in solar, terrestial, galactic, and extragalactic astrophysics.
radio astronomy VLBJ interferometry explorer missi↗
The Space Interferometry Mission
In this paper we will present selected topics from the SIM science program focusing on some specific astronomical questions to be addressed.
Space↗
Science with the Space Interferometry Mission
The Space Interferometry Mission (SIM) will be NASA's first dedicated space-based optical interferometer.
Interferometry↗
Science Goals for The Space Interferometry Mission
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Space Interferometry Mission optical Interferomete↗
Global astrometry with the space interferometry mission
The prospects for global astrometric measurements with the space interferometry mission (SIM) are discussed. The SIM mission will perform four microarcsec astrometric measurements on objects as faint as 20 mag using the optical interferometry technique with a 10 m baseline. The SIM satellite will perform narrow angle astrometry and global astrometry by means of an astrometric grid. The sensitivities of the SIM global astrometric performance and the grid accuracy versus instrumental parameters and sky coverage schemes are reported on. The problems in finding suitable astrometric grid objects to support microarcsec astrometry, and related ground-based observation programs are discussed.
Boden, A.↗
The Distance of the Large Magellanic Cloud Global Astrometry with the Space Interferometry Mission (SIM)
In this paper we will discuss the prospects for global astrometric measurements with the Space Interferometry Mission (SIM). SIM will perform four microarcsecond astrometric measurements onpoint-like objects as dim as 20th magnitude using optical interferometric techniques with a 10m baseline.
astrometric Space Interferometry Mission↗
Space Interferometry Mission
The Space Interferometry Mission (SIM) is NASA's first space science interferometer, and will enable fundamental new discoveries in both galactic and extra-galactic astronomy, including cosmic distance scale...It demonstrates several key technologies...
interferometry↗