The Rosette Nebula (also known as Caldwell 49) is an H II region located near one end of a giant molecular cloud in the Monoceros region of the Milky Way Galaxy. The open clusterNGC 2244 (Caldwell 50) is closely associated with the nebulosity, the stars of the cluster having been formed from the nebula's matter.
The nebula has been noted to be having a shape reminiscent of a human skull, and is sometimes referred to as the "Skull Nebula." It is not to be confused with NGC 246, which is also nicknamed the "Skull Nebula."[3][4]
The cluster and nebula lie at a distance of 5,000 light-years from Earth[5] and measure roughly 130 light years in diameter. The radiation from the young stars excites the atoms in the nebula, causing them to emit radiation themselves producing the emission nebula we see. The mass of the nebula is estimated to be around 10,000 solar masses.
Chandra X-ray image overlaying an optical image reveals hundreds of young stars (red points inside the boxes)
A survey of the nebula with the Chandra X-ray Observatory has revealed the presence of numerous new-born stars inside optical Rosette Nebula and studded within a dense molecular cloud. Altogether, approximately 2500 young stars lie in this star-forming complex, including the massive O-type stars HD 46223 and HD 46150, which are primarily responsible for blowing the ionized bubble.[6][7] Most of the ongoing star-formation activity is occurring in the dense molecular cloud to the south east of the bubble.[8]
A diffuse X-ray glow is also seen between the stars in the bubble, which has been attributed to a super-hot plasma with temperatures ranging from 1 to 10 million K.[9] This is significantly hotter than the 10,000 K plasmas seen in HII regions, and is likely attributed to the shock-heated winds from the massive O-type stars.
On April 16, 2019 the Oklahoma Legislature passed HB1292 making the Rosette Nebula as the official state astronomical object. Oklahoma Governor Kevin Stitt signed it into law April 22, 2019.[10]
^Phelps, Randy L.; Ybarra, Jason E. (2005). "A Parsec-Scale Outflow in the Rosette Molecular Cloud?". The Astrophysical Journal. 627 (2): 845–849. Bibcode:2005ApJ...627..845P. doi:10.1086/430431.
^"A hole in the heart of the Rosette Nebula". CNN. 14 February 2018.
^"The Rosette Nebula | Astrophotography Through a Telescope".
^ 'Cambridge Deep Sky Companions - The Caldwell Objects' , S.J. O'Meara & P. Moore, Cambridge University Press, ISBN0-521-82796-5 (2002)
^ Kuhn, M. A.; et al. (2015). "The Spatial Structure of Young Stellar Clusters. II. Total Young Stellar Populations". Astrophysical Journal. 802 (1): 60. arXiv:1501.05300. Bibcode:2015ApJ...802...60K. doi:10.1088/0004-637X/802/1/60. S2CID 119309858.
^ Wang, J.; et al. (2008). "AChandra Study of the Rosette Star‐forming Complex. I. The Stellar Population and Structure of the Young Open Cluster NGC 2244". Astrophysical Journal. 675 (1): 464–490. arXiv:0711.2024. Bibcode:2008ApJ...675..464W. doi:10.1086/526406. S2CID 11144784.
^ Ybarra, J. E.; et al. (2013). "The Progression of Star Formation in the Rosette Molecular Cloud". Astrophysical Journal. 769 (2): 140. arXiv:1303.1226. Bibcode:2013ApJ...769..140Y. doi:10.1088/0004-637X/769/2/140. S2CID 119214676.
^ Townsley, L. K.; et al. (2003). "10 MK Gas in M17 and the Rosette Nebula: X-Ray Flows in Galactic H II Regions". Astrophysical Journal. 593 (2): 874–905. arXiv:astro-ph/0305133. Bibcode:2003ApJ...593..874T. doi:10.1086/376692. S2CID 16188805.
rosette, nebula, also, known, caldwell, region, located, near, giant, molecular, cloud, monoceros, region, milky, galaxy, open, cluster, 2244, caldwell, closely, associated, with, nebulosity, stars, cluster, having, been, formed, from, nebula, matter, emission. The Rosette Nebula also known as Caldwell 49 is an H II region located near one end of a giant molecular cloud in the Monoceros region of the Milky Way Galaxy The open cluster NGC 2244 Caldwell 50 is closely associated with the nebulosity the stars of the cluster having been formed from the nebula s matter Rosette NebulaEmission nebulaH II regionObservation data J2000 0 epochRight ascension06h 33m 45s 1 Declination 04 59 54 1 Distance5 200 2 ly 1 600 pc Apparent magnitude V 9 0Apparent dimensions V 1 3 ConstellationMonocerosPhysical characteristicsRadius65 lyNotable featuresMultipart nebulaDesignationsSH 2 275 1 CTB 21 1 Caldwell 49See also Lists of nebulaeThe nebula has been noted to be having a shape reminiscent of a human skull and is sometimes referred to as the Skull Nebula It is not to be confused with NGC 246 which is also nicknamed the Skull Nebula 3 4 Contents 1 Description 2 See also 3 References 4 External linksDescription EditThe complex has the following New General Catalogue NGC designations NGC 2237 Part of the nebulous region Also used to denote whole nebula NGC 2238 Part of the nebulous region NGC 2239 Part of the nebulous region Discovered by John Herschel NGC 2244 The open cluster within the nebula Discovered by John Flamsteed in 1690 citation needed NGC 2246 Part of the nebulous regionThe cluster and nebula lie at a distance of 5 000 light years from Earth 5 and measure roughly 130 light years in diameter The radiation from the young stars excites the atoms in the nebula causing them to emit radiation themselves producing the emission nebula we see The mass of the nebula is estimated to be around 10 000 solar masses Chandra X ray image overlaying an optical image reveals hundreds of young stars red points inside the boxes A survey of the nebula with the Chandra X ray Observatory has revealed the presence of numerous new born stars inside optical Rosette Nebula and studded within a dense molecular cloud Altogether approximately 2500 young stars lie in this star forming complex including the massive O type stars HD 46223 and HD 46150 which are primarily responsible for blowing the ionized bubble 6 7 Most of the ongoing star formation activity is occurring in the dense molecular cloud to the south east of the bubble 8 A diffuse X ray glow is also seen between the stars in the bubble which has been attributed to a super hot plasma with temperatures ranging from 1 to 10 million K 9 This is significantly hotter than the 10 000 K plasmas seen in HII regions and is likely attributed to the shock heated winds from the massive O type stars On April 16 2019 the Oklahoma Legislature passed HB1292 making the Rosette Nebula as the official state astronomical object Oklahoma Governor Kevin Stitt signed it into law April 22 2019 10 See also EditList of largest nebulae Lists of astronomical objectsReferences Edit a b c d NGC 2237 SIMBAD Centre de donnees astronomiques de Strasbourg Retrieved 2006 10 23 Phelps Randy L Ybarra Jason E 2005 A Parsec Scale Outflow in the Rosette Molecular Cloud The Astrophysical Journal 627 2 845 849 Bibcode 2005ApJ 627 845P doi 10 1086 430431 A hole in the heart of the Rosette Nebula CNN 14 February 2018 The Rosette Nebula Astrophotography Through a Telescope Cambridge Deep Sky Companions The Caldwell Objects S J O Meara amp P Moore Cambridge University Press ISBN 0 521 82796 5 2002 Kuhn M A et al 2015 The Spatial Structure of Young Stellar Clusters II Total Young Stellar Populations Astrophysical Journal 802 1 60 arXiv 1501 05300 Bibcode 2015ApJ 802 60K doi 10 1088 0004 637X 802 1 60 S2CID 119309858 Wang J et al 2008 AChandra Study of the Rosette Star forming Complex I The Stellar Population and Structure of the Young Open Cluster NGC 2244 Astrophysical Journal 675 1 464 490 arXiv 0711 2024 Bibcode 2008ApJ 675 464W doi 10 1086 526406 S2CID 11144784 Ybarra J E et al 2013 The Progression of Star Formation in the Rosette Molecular Cloud Astrophysical Journal 769 2 140 arXiv 1303 1226 Bibcode 2013ApJ 769 140Y doi 10 1088 0004 637X 769 2 140 S2CID 119214676 Townsley L K et al 2003 10 MK Gas in M17 and the Rosette Nebula X Ray Flows in Galactic H II Regions Astrophysical Journal 593 2 874 905 arXiv astro ph 0305133 Bibcode 2003ApJ 593 874T doi 10 1086 376692 S2CID 16188805 Bill Information www oklegislature gov Retrieved 2019 04 17 External links Edit Wikimedia Commons has media related to Rosette Nebula Rosette Nebula SEDS Chandra Observatory study of the Rosette Nebula NOAO Fitful Young Star Sputters to Maturity in the Rosette Nebula NightSkyInfo com Rosette Nebula Astronomy Picture of the Day Dust Sculptures in the Rosette Nebula 2007 June 6 Dust Sculptures in the Rosette Nebula 2009 December 2 Field of Rosette 2010 February 14 Slooh Videocast on Rosette Nebula Rosette Nebula from the Netherlands Deep image of the Rosette Nebula The Scale of the Universe Astronomy Picture of the Day 2012 March 12 Rosette Nebula on WikiSky DSS2 SDSS GALEX IRAS Hydrogen a X Ray Astrophoto Sky Map Articles and images Rosette Nebula at Constellation Guide Creative Commons Rosette Nebula Data Download amp Processing Guide Portals Astronomy Stars Spaceflight Outer space Solar System Retrieved from https en wikipedia org w index php title Rosette Nebula amp oldid 1161525596, wikipedia, wiki, book, books, library,
