# HST/NICMOS DETECTION OF HR 8799 b IN 1998

@article{Lafrenire2009HSTNICMOSDO,
title={HST/NICMOS DETECTION OF HR 8799 b IN 1998},
author={David Lafreni{\`e}re and Christian Marois and Ren{\'e} Doyon and Travis S. Barman},
journal={The Astrophysical Journal},
year={2009},
volume={694}
}
• Published 18 February 2009
• Physics, Geology
• The Astrophysical Journal
Three planets have been directly imaged around the young star HR 8799. The planets are 5-13 M Jup and orbit the star at projected separations of 24-68 AU. While the initial detection occurred in 2007, two of the planets were recovered in a reanalysis of data obtained in 2004. Here we present a detection of the furthest planet of that system, HR 8799 b, in archival Hubble Space Telescope (HST)/Near Infrared Camera and Multi-Object Spectrometer (NICMOS) data from 1998. The detection was made…

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## References

SHOWING 1-10 OF 14 REFERENCES
The Gemini Deep Planet Survey
• Physics, Geology
• 2007
We present the results of the Gemini Deep Planet Survey, a near-infrared adaptive optics search for giant planets and brown dwarfs around 85 nearby young stars. The observations were obtained with
Coronagraphy with HST/NICMOS: detectability is a sensitive issue
• Physics
SPIE Astronomical Telescopes + Instrumentation
• 2003
HST provides an unparalleled venue for high contrast imaging which has enabled new observational domains in exo-planet and debris disk imaging. Unburdened by atmospheric 'seeing', NICMOS and STIS
An Infrared coronagraphic survey for substellar companions
• Physics, Geology
• 2005
We have used the F160W filter (1.4–1.8 μm) and the coronagraph on the Near-Infrared Camera and Multi-Object Spectrometer (NICMOS) on the Hubble Space Telescope to survey 45 single stars with a median
Optical Images of an Exosolar Planet 25 Light-Years from Earth
• Physics, Geology
Science
• 2008
Optical observations of an exoplanet candidate, Fomalhaut b, show that the planet's mass is at most three times that of Jupiter; a higher mass would lead to gravitational disruption of the belt, matching predictions of its location.
Direct Imaging of Multiple Planets Orbiting the Star HR 8799
• Physics, Geology
Science
• 2008
High-contrast observations with the Keck and Gemini telescopes have revealed three planets orbiting the star HR 8799, with projected separations of 24, 38, and 68 astronomical units.
HR 8799: A Link between γ Doradus Variables and λ Bootis Stars
• Physics
• 1999
On the basis of a new classification-resolution spectrum, we find that HR 8799, a known member of the newly discovered γ Doradus variable star class, is a λ Bootis star. Spectral synthesis, in
Direct Imaging and Spectroscopy of a Planetary-Mass Candidate Companion to a Young Solar Analog
• Physics, Geology
• 2008
We present Gemini near-infrared adaptive optics imaging and spectroscopy of a planetary-mass candidate companion to 1RXS J160929.1–210524, a roughly solar-mass member of the 5 Myr old Upper Scorpius
The James Webb Space Telescope
• Physics
• 2003
The James Webb Space Telescope (JWST) is a large (6.6 m), cold (<50 K), infrared (IR)-optimized space observatory that will be launched early in the next decade into orbit around the second Earth–Sun
Towards observing extrasolar giant-planet environments with JWST
• Physics, Geology
Astronomical Telescopes + Instrumentation
• 2008
With its high Strehl ratio near- and mid-infrared imaging capabilities, wide field of view, and multiple spectroscopic options, the James Webb Space Telescope (JWST) will provide crucial information
Rotational velocities of A-type stars. III. Velocity distributions
• Physics
• 2007
Aims. A sample of $v\sin i$ of B9 to F2-type main sequence single stars has been built from highly homogeneous ${v\sin i}$ parameters determined for a large sample cleansed of objects presenting the