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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.
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]
Other ring gaps in J1407b's disk may also contain exomoons. Beta Pictoris: Beta Pictoris b: 9.3 +2.6 −2.5 M J: 10.26 0.03 to 0.05 AU ≳15 Found via the predicted misaligment of the planet's obliquity, which is yet to be confirmed by JWST observations but is currently likely. [23] N/A 2MASS J1119-1137A or B: 3.7 M J: 3.6 ± 0.9 separation ...
J1407b.ogv (Ogg multiplexed audio/video file, Theora/Vorbis, length 27 s, 640 × 480 pixels, 3.24 Mbps overall, file size: 10.55 MB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
2M1207b is a planetary-mass object orbiting the brown dwarf 2M1207, in the constellation Centaurus, approximately 170 light-years from Earth. [5] It is one of the first candidate exoplanets to be directly observed (by infrared imaging).