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- Beta_Pictoris_b abstract "Beta Pictoris b is an exoplanet located approximately 63 light-years away in the constellation of Pictor, orbiting the 4th magnitude debris disk star Beta Pictoris. It has a mass between 4 and 11 Jupiter masses and a radius around 65% larger than Jupiter's. It orbits at 9 AU from Beta Pictoris (close to the plane of the debris disk orbiting the star) with a low eccentricity and a period of 20–21 years, and is the only known planet in the Beta Pictoris system. The planet was discovered on November 18, 2008 by Lagrange et al., using the NACO instrument on the Very Large Telescope at Cerro Paranal in northern Chile. This planet was discovered using the direct imaging technique, utilizing reference star differential imaging. The discovery image was taken in 2003, but the planet was not detected when the data were first reduced. A re-reduction of the data in 2008 using modern image processing tools revealed the faint point source now known to be a planet.Follow-up observations performed in late 2009 and early 2010 using the same instrument recovered and confirmed the planet, but on the opposite side of the star. These findings were published in the journal Science and represented the closest orbiting planet to its star ever imaged. Observations performed in late 2010 and early 2011 allowed scientists to establish an inclination angle of the planet's orbit of 88.5 degrees, nearly edge-on. The location of the planet was found to be approximately 3.5 to 4 degrees tilted from the main disk in this system, indicating that the planet is aligned with the warped inner disk in the Beta Pictoris system.The first study of the spectral energy distribution of the planet was published in July 2013.This study shows detections at 1.265, 1.66, 2.18, 3.80, 4.05 and 4.78 µm demonstrating that the planet has a very dusty and/or cloudy atmosphere. The SED is consistent with that of an early L dwarf, but with a lower surface gravity. The effective temperature is constrained to 1700+100−100 K and the surface gravity to log g = 4.0 +0.5−0.5. A second study, published in September 2013, provided a new detection at 3.1 µm obtained at the Gemini Observatory along with a reanalysis of previous data. They found the planet to be overluminous in the mid-infrared 3.1 µm band compared to models of early L dwarfs. Models incorporating small dust particles and thick clouds provided the best fit to the SED. The effective temperature is constrained to 1600+50−25 K and the surface gravity to log g = 3.8 +0.02−0.02. This fit corresponds to a planet radius of 1.65 times that of Jupiter, arguing that Beta Pictoris b may be younger than its host star (finished forming at 5 Ma).In 2014, the rotation period of Beta Pictoris b was calculated from the broadening of its carbon monoxide infrared absorption line. This makes it, as of 2015, the first extrasolar planet to have its rotation rate measured. With a rotation period of 8.1 hours, it is the fastest-spinning planet known. In 2015, a short video was made from direct images of Beta Pictoris b taken by the Gemini Planet Imager over the course of about two years showing a time-lapse of the planet orbiting around its parent star. It may have been responsible for a transit-like event observed in 1981.".
- Beta_Pictoris_b thumbnail Beta_Pictoris_system_annotated.jpg?width=300.
- Beta_Pictoris_b wikiPageID "20398001".
- Beta_Pictoris_b wikiPageLength "9590".
- Beta_Pictoris_b wikiPageOutDegree "32".
- Beta_Pictoris_b wikiPageRevisionID "701057279".
- Beta_Pictoris_b wikiPageWikiLink Apparent_magnitude.
- Beta_Pictoris_b wikiPageWikiLink Astronomical_unit.
- Beta_Pictoris_b wikiPageWikiLink Beta_Pictoris.
- Beta_Pictoris_b wikiPageWikiLink Brown_dwarf.
- Beta_Pictoris_b wikiPageWikiLink Category:Exoplanets_detected_by_direct_imaging.
- Beta_Pictoris_b wikiPageWikiLink Category:Exoplanets_discovered_in_2008.
- Beta_Pictoris_b wikiPageWikiLink Category:Giant_planets.
- Beta_Pictoris_b wikiPageWikiLink Category:Pictor_(constellation).
- Beta_Pictoris_b wikiPageWikiLink Chile.
- Beta_Pictoris_b wikiPageWikiLink Constellation.
- Beta_Pictoris_b wikiPageWikiLink Debris_disk.
- Beta_Pictoris_b wikiPageWikiLink Exoplanet.
- Beta_Pictoris_b wikiPageWikiLink Gemini_Observatory.
- Beta_Pictoris_b wikiPageWikiLink Gemini_Planet_Imager.
- Beta_Pictoris_b wikiPageWikiLink Infrared.
- Beta_Pictoris_b wikiPageWikiLink Jupiter.
- Beta_Pictoris_b wikiPageWikiLink Jupiter_mass.
- Beta_Pictoris_b wikiPageWikiLink Kelvin.
- Beta_Pictoris_b wikiPageWikiLink Light-year.
- Beta_Pictoris_b wikiPageWikiLink Methods_of_detecting_exoplanets.
- Beta_Pictoris_b wikiPageWikiLink Micrometre.
- Beta_Pictoris_b wikiPageWikiLink Orbital_inclination.
- Beta_Pictoris_b wikiPageWikiLink Pictor.
- Beta_Pictoris_b wikiPageWikiLink Point_source.
- Beta_Pictoris_b wikiPageWikiLink Science_(journal).
- Beta_Pictoris_b wikiPageWikiLink Transit_(astronomy).
- Beta_Pictoris_b wikiPageWikiLink Very_Large_Telescope.
- Beta_Pictoris_b wikiPageWikiLink File:Spinvelocity-vs-mass-BetaPicb-and-solarsystem.jpg.
- Beta_Pictoris_b wikiPageWikiLinkText "Beta Pictoris b".
- Beta_Pictoris_b wikiPageWikiLinkText "Beta-Pictoris-b".
- Beta_Pictoris_b wikiPageWikiLinkText "b".
- Beta_Pictoris_b wikiPageWikiLinkText "beta Pictoris b".
- Beta_Pictoris_b appMag "3.861".
- Beta_Pictoris_b class "A6V".
- Beta_Pictoris_b constell Pictor.
- Beta_Pictoris_b discoverers "Lagrange et al.".
- Beta_Pictoris_b discoveryDate "2008-11-18".
- Beta_Pictoris_b discoveryMethod Methods_of_detecting_exoplanets.
- Beta_Pictoris_b discoverySite Very_Large_Telescope.
- Beta_Pictoris_b discoveryStatus "Confirmed".
- Beta_Pictoris_b distLy "63.4".
- Beta_Pictoris_b distPc "19.44".
- Beta_Pictoris_b inclination "89.01".
- Beta_Pictoris_b mass "7".
- Beta_Pictoris_b period "7890".
- Beta_Pictoris_b periodYear "21.6".
- Beta_Pictoris_b planet "b".
- Beta_Pictoris_b radius "1.65".
- Beta_Pictoris_b rotationPeriod "29160.0".
- Beta_Pictoris_b semimajor "9.2".
- Beta_Pictoris_b separation "9".
- Beta_Pictoris_b separationMas "450".
- Beta_Pictoris_b star Beta_Pictoris.
- Beta_Pictoris_b star "Beta+Pic".
- Beta_Pictoris_b temperature "1600".
- Beta_Pictoris_b wikiPageUsesTemplate Template:As_of.
- Beta_Pictoris_b wikiPageUsesTemplate Template:DEC.
- Beta_Pictoris_b wikiPageUsesTemplate Template:Planetbox_begin.
- Beta_Pictoris_b wikiPageUsesTemplate Template:Planetbox_character.
- Beta_Pictoris_b wikiPageUsesTemplate Template:Planetbox_discovery.
- Beta_Pictoris_b wikiPageUsesTemplate Template:Planetbox_end.
- Beta_Pictoris_b wikiPageUsesTemplate Template:Planetbox_image.
- Beta_Pictoris_b wikiPageUsesTemplate Template:Planetbox_orbit.
- Beta_Pictoris_b wikiPageUsesTemplate Template:Planetbox_reference.
- Beta_Pictoris_b wikiPageUsesTemplate Template:Planetbox_separation.
- Beta_Pictoris_b wikiPageUsesTemplate Template:Planetbox_star.
- Beta_Pictoris_b wikiPageUsesTemplate Template:RA.
- Beta_Pictoris_b wikiPageUsesTemplate Template:Reflist.
- Beta_Pictoris_b wikiPageUsesTemplate Template:Use_mdy_dates.
- Beta_Pictoris_b wikiPageUsesTemplate Template:±.
- Beta_Pictoris_b subject Category:Exoplanets_detected_by_direct_imaging.
- Beta_Pictoris_b subject Category:Exoplanets_discovered_in_2008.
- Beta_Pictoris_b subject Category:Giant_planets.
- Beta_Pictoris_b subject Category:Pictor_(constellation).
- Beta_Pictoris_b hypernym Exoplanet.
- Beta_Pictoris_b type Planet.
- Beta_Pictoris_b type Redirect.
- Beta_Pictoris_b comment "Beta Pictoris b is an exoplanet located approximately 63 light-years away in the constellation of Pictor, orbiting the 4th magnitude debris disk star Beta Pictoris. It has a mass between 4 and 11 Jupiter masses and a radius around 65% larger than Jupiter's. It orbits at 9 AU from Beta Pictoris (close to the plane of the debris disk orbiting the star) with a low eccentricity and a period of 20–21 years, and is the only known planet in the Beta Pictoris system.".
- Beta_Pictoris_b label "Beta Pictoris b".
- Beta_Pictoris_b sameAs Q854599.
- Beta_Pictoris_b sameAs بتا_سهپایه_بی.
- Beta_Pictoris_b sameAs Beta_Pictoris_b.
- Beta_Pictoris_b sameAs Beta_Pictoris_b.
- Beta_Pictoris_b sameAs Béta_Pictoris_b.
- Beta_Pictoris_b sameAs 화가자리_베타_b.
- Beta_Pictoris_b sameAs Beta_Pictoris_b.
- Beta_Pictoris_b sameAs Beta_Pictoris_b.
- Beta_Pictoris_b sameAs m.05gr498.
- Beta_Pictoris_b sameAs Q854599.
- Beta_Pictoris_b sameAs 繪架座βb.
- Beta_Pictoris_b wasDerivedFrom Beta_Pictoris_b?oldid=701057279.
- Beta_Pictoris_b depiction Beta_Pictoris_system_annotated.jpg.
- Beta_Pictoris_b isPrimaryTopicOf Beta_Pictoris_b.