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ROXs 42Bb is a directly imaged planetary-mass companion [1] to the binary M star ROXs 42B, [4] a likely member of the Rho Ophiuchi cloud complex. The companion was announced/discovered on October 17, 2013, by University of Toronto astronomer Thayne Currie .
This method works best for young planets that emit infrared light and are far from the glare of the star. Currently, this list includes both directly imaged planets and imaged planetary-mass companions (objects that orbit a star but formed through a binary-star-formation process, not a planet-formation process).
HD 100546, also known as KR Muscae, is a pre-main sequence star of spectral type B8 to A0 located 353 light-years (108 parsecs) from Earth in the southern constellation of Musca. [4] The star is surrounded by a circumstellar disk from a distance of 0.2 to 4 AU, and again from 13 AU out to a few hundred AU, with evidence for a protoplanet ...
The sizes are listed in units of Jupiter radii (R J, 71 492 km).This list is designed to include all planets that are larger than 1.6 times the size of Jupiter.Some well-known planets that are smaller than 1.6 R J (17.93 R 🜨 or 114 387.2 km) have been included for the sake of comparison.
It orbits the nearby L1.5-type brown dwarf DENIS-P J082303.1-491201, which is 7.5 ± 0.7 % the mass of the Sun, [1] and has an orbital period of about 246 days. [ 1 ] [ 2 ] See also
Solar powered flashlights can be used in remote locations where it is impossible to find any source of electricity except for solar power. [4] A built-in solar cell array in a hand-held product has a very small capacity. The light output and run time of the solar flashlight are limited by the amount of energy that can be absorbed in a day.
The amplitude is 3.4 ± 0.1% for Spitzer channel 2 (4.5 μm) and 4.4-5.8% for WFC3 (1.07-1.67 μm). The near-infrared and mid-infrared light curves have a phase offset between 200° and 210°, likely due to a depth-dependent longitudinal atmospheric structure. The clouds are suspected to be a patchy haze layer over thick iron clouds.
The Swedish Solar Telescope at Roque de los Muchachos Observatory, La Palma in the Canary Islands. A solar telescope or a solar observatory is a special-purpose telescope used to observe the Sun. Solar telescopes usually detect light with wavelengths in, or not far outside, the visible spectrum.
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