Near and Mid-infrared images of the massive star forming complex G9.62+0.19 (Articolo in rivista)

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  • Near and Mid-infrared images of the massive star forming complex G9.62+0.19 (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Alternative label
  • Persi, P.; Tapia, M.; Roth, M.; Marenzi, A. R.; Testi, L.; Vanzi, L. (2003)
    Near and Mid-infrared images of the massive star forming complex G9.62+0.19
    (literal)
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  • Persi, P.; Tapia, M.; Roth, M.; Marenzi, A. R.; Testi, L.; Vanzi, L. (literal)
Pagina inizio
  • 227 (literal)
Pagina fine
  • 236 (literal)
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  • La rivista Astronomy and Astrophysics nel 2003 aveva un Impact Factor IF=3,843 (literal)
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  • 397 (literal)
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  • Per mezzo di immagini ad alta risoluzione spaziale nel medio e vicino Infrarosso si e' studiata la formazione stellare della nube molecolare gigante G9.62+0.19. Varie fasi evolutive sono state trovate nella nube, da protostelle ancora in fase di accrescimento, a regioni HII ben sviluppate. (literal)
Note
  • ISI Web of Science (WOS) (literal)
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  • 1) IASF-CNR Sez.di Roma; 2)Instituto de Astronomia UNAM, Ensenada(Mexico). 3) Las Campanas Observatory (Carnegie Institution,Washington,USA); 4) Osservatorio Astrofisico di Arcetri,Firenze (Italy) (literal)
Titolo
  • Near and Mid-infrared images of the massive star forming complex G9.62+0.19 (literal)
Abstract
  • A near- and mid-infrared study of the star formation complex G9.62+0.19 is presented. It includes photometrically calibrated images through wide-band JHK and narrow-band Brgamma , H2 and 12.5 mu m filters. These were taken at Las Campanas, La Silla and OAN-San Pedro Mártir. We found evidence of two embedded young clusters of O-B5 stars associated with the radio components B and C, one compact and one ultracompact HII region. The data suggest the presence of a third, more dispersed cluster of more luminous infrared stars at the southern edge of the cloud complex. A large fraction of the star members of each cluster exhibit significant infrared excess. We confirm the detection of a very red near- and mid-infrared source immersed in the molecular hot core (component F). An H2 shocked gas knot, probably an obscured Herbig-Haro object, was found associated to the blue-shifted lobe of the high-velocity molecular outflow in this core. The properties of the individual sources are discussed in detail. Partly based on observations collected at the European Southern Observatory, La Silla, at the Las Campanas Observatory, Chile and at the Observatorio Astronómico Nacional, San Pedro Mártir, Mexico (literal)
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