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  • 1985-1989  (2)
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  • 1
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    Unknown
    Infrared emission and excitation in LMC HII regions (1987)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: The infrared excess (IRE) of the Large Magellanic Cloud (LMC) HII nebulae is found to correlate positively with the temperature of the ambient radiation field or with the He(+)/H(+) abundance ratio. This result is discussed in terms of a selective absorption of the photons in the range 504 to 912 A relative to the He ionizing photons. This interpretation may explain the paradox of finding highly excited nebulae with only relatively moderate equivalent width of their Balmer lines.
    Keywords: SPACE RADIATION
    Type: NASA, Washington Star Formation in Galaxies; p 247-251
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 2
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    Unknown
    Global properties of the nearby spiral M101 (1987)
    In:  CASI
    Details
    Publication Date: 2013-08-31
    Description: M101 (NGC 5457) is a classic Sc I spiral galaxy located suffiently nearby, 6.8 Mpc, that its structure can be studied even with the coarse angular resolution of the Infrared Astronomy Satellite (IRAS). The global infrared properties of M101 are addressed including the radial dependence of its infrared emission.
    Keywords: ASTROPHYSICS
    Type: NASA, Washington Star Formation in Galaxies; p 297-302
    Format: application/pdf
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    NASA TECHNICAL REPORTS
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