G350.1-0.3, a bright radio source in the inner Milky Way, was initially identified by comparing observations from the Molonglo Observatory Synthesis Telescope and Parkes Observatory and classified as a supernova remnant in publications from 1973[4] and 1975.[5] However, later higher-resolution images in the mid-80s revealed an unexpected irregular morphology that differed substantially from other supernova remnant sources.[5][2] It was then argued that G350.1-0.3 was a radio galaxy or a galaxy cluster, resulting in a reclassification in which supernova remnant catalogues downgraded the object to "supernova remnant candidate" or dropped it completely; G350.1-0.3 was subsequently "forgotten".[5]
Research published in 2008[5] combined archival data and new images from XMM-Newton, the European Space Agency's orbiting x-ray telescope, to demonstrate that G350.1-0.3 is a supernova remnant.[3][2] The researchers determined that the object's odd shape resulted from exploding next to a dense gas cloud, approximately 15,000 light years from Earth, that prevented even expansion and produced its elongated shape.[2] The researchers also determined that the nearby thermal X-ray source, XMMU J172054.5-372652, is a central compact object of the supernova.[5]
G350.1-0.3 is eight light years across and about 900–1000 years old, making one of the youngest and brightest supernova remnants in the Milky Way. It is unlikely that humans would have seen the supernova explosion because intervening interstellar dust would have likely prevented its viewing from Earth.[2]
^"New Galactic Supernova Remnants", Nature246, 28-30, 2 November 1973 doi:10.1038/246028a0
^ abcdeGaensler, B. M. (2008). "The (Re-)Discovery of G350.1−0.3: A Young, Luminous Supernova Remnant and Its Neutron Star". The Astrophysical Journal Letters. 680 (1): L37–L40. arXiv:0804.0462. Bibcode:2008ApJ...680L..37G. doi:10.1086/589650. S2CID 15762045.
External linksedit
"Supernovae and the fusing of elements", Science Show, ABC Radio National, 22 November 2008
December 15, 2023
g350, supernova, remnant, which, located, constellation, scorpius, milky, possibly, associated, with, neutron, star, xmmu, j172054, 372652, formed, same, supernova, explosion, object, formerly, mistakenly, classified, distant, galaxy, supernova, remnantsuperno. G350 1 0 3 is a supernova remnant which is located in the constellation Scorpius It is in the Milky Way and possibly associated with a neutron star XMMU J172054 5 372652 formed in the same supernova explosion The object was formerly mistakenly classified as a distant galaxy 2 3 G350 1 0 3Supernova remnantSupernova remnant G350 1 0 3Observation data J2000 epochRight ascension17h 21m 01s 1 Declination 37 26 0 1 Distance15000 2 ly 4600 pc ConstellationScorpiusPhysical characteristicsRadius8 2 ly 2 pc See also Lists of nebulaeG350 1 0 3 a bright radio source in the inner Milky Way was initially identified by comparing observations from the Molonglo Observatory Synthesis Telescope and Parkes Observatory and classified as a supernova remnant in publications from 1973 4 and 1975 5 However later higher resolution images in the mid 80s revealed an unexpected irregular morphology that differed substantially from other supernova remnant sources 5 2 It was then argued that G350 1 0 3 was a radio galaxy or a galaxy cluster resulting in a reclassification in which supernova remnant catalogues downgraded the object to supernova remnant candidate or dropped it completely G350 1 0 3 was subsequently forgotten 5 Research published in 2008 5 combined archival data and new images from XMM Newton the European Space Agency s orbiting x ray telescope to demonstrate that G350 1 0 3 is a supernova remnant 3 2 The researchers determined that the object s odd shape resulted from exploding next to a dense gas cloud approximately 15 000 light years from Earth that prevented even expansion and produced its elongated shape 2 The researchers also determined that the nearby thermal X ray source XMMU J172054 5 372652 is a central compact object of the supernova 5 G350 1 0 3 is eight light years across and about 900 1000 years old making one of the youngest and brightest supernova remnants in the Milky Way It is unlikely that humans would have seen the supernova explosion because intervening interstellar dust would have likely prevented its viewing from Earth 2 References edit a b MSC 350 1 0 3 SIMBAD Centre de donnees astronomiques de Strasbourg Retrieved 26 November 2017 a b c d e f g Detective astronomers unearth hidden celestial gem European Space Agency 10 June 2008 a b XMM Newton Discovers Strange Shaped Supernova Remnant Universe Today 11 June 2008 New Galactic Supernova Remnants Nature 246 28 30 2 November 1973 doi 10 1038 246028a0 a b c d e Gaensler B M 2008 The Re Discovery of G350 1 0 3 A Young Luminous Supernova Remnant and Its Neutron Star The Astrophysical Journal Letters 680 1 L37 L40 arXiv 0804 0462 Bibcode 2008ApJ 680L 37G doi 10 1086 589650 S2CID 15762045 External links edit Supernovae and the fusing of elements Science Show ABC Radio National 22 November 2008 Retrieved from https en wikipedia org w index php title G350 1 0 3 amp oldid 1154747119, wikipedia, wiki, book, books, library,
