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- Rho_Ophiuchi_cloud_complex abstract "The Rho Ophiuchi cloud complex is a dark nebula of gas and dust that is located 1° south of the star ρ Ophiuchi of the constellation Ophiuchus. At an estimated distance of 131 ± 3 parsecs, this cloud is one of the closest star-forming regions to the Solar System.This cloud covers an angular area of 4.5° × 6.5° on the celestial sphere. It consists of two major regions of dense gas and dust. The first contains a star-forming cloud (L1688) and two filaments (L1709 and L1755), while the second has a star-forming region (L1689) and a filament (L1712–L1729). These filaments extend up to 10–17.5 parsecs in length and can be as narrow as 0.24 parsecs in width. Some of the structures within the complex appear to be the result of a shock front passing through the clouds from the direction of the neighboring Sco OB2 association.Temperatures of the clouds range from 13–22 K, and there is a total of about 3,000 times the mass of the Sun in material. Over half of the mass of the complex is concentrated around the L1688 cloud, and this is the most active star-forming region. There are embedded infrared sources within the complex. A total of 425 infrared sources have been detected near the L1688 cloud. These are presumed to be young stellar objects, including 16 classified as protostars, 123 T Tauri stars with dense circumstellar disks, and 77 weaker T Tauri stars with thinner disks. The last two categories of stars have estimated ages ranging from 100,000 to a million years.The first brown dwarf to be identified in a star-forming region was Rho Oph J162349.8-242601, located in the Rho Ophiuchi cloud. One of the older objects at the edge of the primary star-forming region was found to be a circumstellar disk seen nearly edge on. It spans a diameter of 300 AU and contains at least twice the mass of Jupiter. The million-year-old star at the center of the disk has a temperature of 3,000 K and is emitting 0.4 times the luminosity of the Sun.".
- Rho_Ophiuchi_cloud_complex thumbnail Rho_Ophiuchi.jpg?width=300.
- Rho_Ophiuchi_cloud_complex wikiPageExternalLink ap070903.html.
- Rho_Ophiuchi_cloud_complex wikiPageExternalLink ap091113.html.
- Rho_Ophiuchi_cloud_complex wikiPageExternalLink ap100524.html.
- Rho_Ophiuchi_cloud_complex wikiPageID "24813575".
- Rho_Ophiuchi_cloud_complex wikiPageRevisionID "597179215".
- Rho_Ophiuchi_cloud_complex caption "The Rho Ophiuchi cloud complex.".
- Rho_Ophiuchi_cloud_complex constellation Ophiuchus.
- Rho_Ophiuchi_cloud_complex epoch "J2000.0".
- Rho_Ophiuchi_cloud_complex hasPhotoCollection Rho_Ophiuchi_cloud_complex.
- Rho_Ophiuchi_cloud_complex name "ρ Ophiuchi cloud complex".
- Rho_Ophiuchi_cloud_complex names "Ophiuchus molecular cloud, Integral 691, XSS J16271-2423".
- Rho_Ophiuchi_cloud_complex sizeV "4.5".
- Rho_Ophiuchi_cloud_complex type "dark nebula".
- Rho_Ophiuchi_cloud_complex subject Category:Dark_nebulae.
- Rho_Ophiuchi_cloud_complex subject Category:Ophiuchus_(constellation).
- Rho_Ophiuchi_cloud_complex type Abstraction100002137.
- Rho_Ophiuchi_cloud_complex type Chemical114806838.
- Rho_Ophiuchi_cloud_complex type Compound114818238.
- Rho_Ophiuchi_cloud_complex type DarkNebulae.
- Rho_Ophiuchi_cloud_complex type Formulation114873641.
- Rho_Ophiuchi_cloud_complex type Material114580897.
- Rho_Ophiuchi_cloud_complex type Matter100020827.
- Rho_Ophiuchi_cloud_complex type Nebula114960606.
- Rho_Ophiuchi_cloud_complex type Part113809207.
- Rho_Ophiuchi_cloud_complex type PhysicalEntity100001930.
- Rho_Ophiuchi_cloud_complex type Relation100031921.
- Rho_Ophiuchi_cloud_complex type Substance100019613.
- Rho_Ophiuchi_cloud_complex comment "The Rho Ophiuchi cloud complex is a dark nebula of gas and dust that is located 1° south of the star ρ Ophiuchi of the constellation Ophiuchus. At an estimated distance of 131 ± 3 parsecs, this cloud is one of the closest star-forming regions to the Solar System.This cloud covers an angular area of 4.5° × 6.5° on the celestial sphere. It consists of two major regions of dense gas and dust.".
- Rho_Ophiuchi_cloud_complex label "IC 4604".
- Rho_Ophiuchi_cloud_complex label "Mgławica ro Ophiuchi".
- Rho_Ophiuchi_cloud_complex label "Nube di Rho Ophiuchi".
- Rho_Ophiuchi_cloud_complex label "Rho Ophiuchi cloud complex".
- Rho_Ophiuchi_cloud_complex sameAs IC_4604.
- Rho_Ophiuchi_cloud_complex sameAs Nube_di_Rho_Ophiuchi.
- Rho_Ophiuchi_cloud_complex sameAs Mgławica_ro_Ophiuchi.
- Rho_Ophiuchi_cloud_complex sameAs m.0807wkv.
- Rho_Ophiuchi_cloud_complex sameAs Q2632650.
- Rho_Ophiuchi_cloud_complex sameAs Q2632650.
- Rho_Ophiuchi_cloud_complex sameAs Rho_Ophiuchi_cloud_complex.
- Rho_Ophiuchi_cloud_complex wasDerivedFrom Rho_Ophiuchi_cloud_complex?oldid=597179215.
- Rho_Ophiuchi_cloud_complex depiction Rho_Ophiuchi.jpg.
- Rho_Ophiuchi_cloud_complex isPrimaryTopicOf Rho_Ophiuchi_cloud_complex.
