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J1407b is a substellar object, either a free-floating planet or brown dwarf, with a massive circumplanetary disk or ring system.It was first detected by automated telescopes in 2007 when its disk eclipsed the star V1400 Centauri, causing a series of dimming events for 56 days.
V1400 Centauri, also known as 1SWASP J140747.93−394542.6 or simply J1407, is a young, pre-main-sequence star that was eclipsed by the likely free-floating substellar object J1407b in April–June 2007.
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host planet(s) Planet designation Planet mass Planet semimajor axis (AU) Exomoon semimajor axis Exomoon mass (M E) Notes N/A J1407b <6 M J [2] N/A 0.396–0.421 AU <0.8 One possible exomoon residing in a 4 million km-wide gap in J1407b's circumplanetary disk. [22] Other ring gaps in J1407b's disk may also contain exomoons. Beta Pictoris: Beta ...
The circumstellar disk or ring system of J1407b is about 0.6 astronomical units (90,000,000 km; 56,000,000 mi) in radius. [43] J1407b's transit of V1400 Centauri revealed gaps and density variations within its disk or ring system, which has been interpreted as hints of exomoons or exoplanets forming around J1407b. [43]
In many cases it is not possible to have an exact value, and an estimated range is instead provided. The coldest and oldest planet directly imaged is Epsilon Indi Ab, which has six times Jupiter's mass, an effective temperature of 275 K, and an age of about 3.5 Ga. This list includes the four members of the multi-planet system that orbit HR 8799.
Earlier this year a picture re-emerged that showed what Jesus might have looked like as a kid. Detectives took the Turin Shroud, believed to show Jesus' image, and created a photo-fit image from ...
A possible orbit of the 11 M J exoplanet HD 106906 b [8]. HD 106906 b is the only known companion orbiting HD 106906, a spectroscopic binary star composed of two F5V main-sequence stars with a combined mass of 2.71 M ☉. [5]