منابع مشابه
Extra-solar planets
Fig, 1: Detection methods for extra-solar planets, The lower extent of the lines indicates, roughly, the detectable masses that are in principle within reach of present measurements (solid lines), and those that might be expected within the next 10-20 years (dashed), The (logarithmic) mass scale is shown at left, The miscellaneous signatures to the upper right are less well quantified in mass t...
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SKA would have distinct capabilities for studies associated with extra-solar planets, their formation and properties.
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Abstract: We suggest a suite of NGST studies aimed at the detection and characterization of planets over a range of mass, age, stellar spectral type, and physical separation from their central stars. The results of these studies will constitute fundamental steps toward an understanding of the origin of planets and life in the universe, and, in particular, will lay the groundwork for future NASA...
متن کاملEstimating the masses of extra-solar planets
All extra-solar planet masses that have been derived spectroscopically are lower limits since the inclination of the orbit to our line-of-sight is unknown except for transiting systems. In theory, however, it is possible to determine the inclination angle, i, between the rotation axis of a star and an observer’s line-of-sight from measurements of the projected equatorial velocity (v sin i), the...
متن کاملRadio cyclotron emission from extra-solar planets
We present results from an attempt to detect radio emission from the interaction between a transiting extra-solar planet and its host star. We determine a new upper limit of 47 mJy on the radio flux density from HD 189733b, in the frequency range 327–347 MHz.
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ژورنال
عنوان ژورنال: Proceedings of the International Astronomical Union
سال: 2010
ISSN: 1743-9213,1743-9221
DOI: 10.1017/s1743921310004990