NASA Logo, External Link
Facebook icon, External Link to NASA STI page on Facebook Twitter icon, External Link to NASA STI on Twitter YouTube icon, External Link to NASA STI Channel on YouTube RSS icon, External Link to New NASA STI RSS Feed AddThis share icon
 

Record Details

Record 1 of 4817
Indirect IUE observation of O VI from photoexcited fluorescence lines of Fe II, present in the spectrum of RR Telescopii
External Online Source: doi:10.1086/185146
Author and Affiliation:
Johansson, Sveneric(NASA Goddard Space Flight Center, Greenbelt, MD, United States)
Abstract: A new, highly excited level of Fe II at 13.7 eV has been established by means of six lines in the laboratory spectrum below 2000 A. Confirming transitions appear in the infrared region. Four of the ultraviolet lines coincide with previously unidentified lines in the IUE spectrum of RR Tel reported by Penston et al. in 1983. One of the remaining UV lines coincides with the resonance line of O VI at 1032 A, outside the range of the IUE. This suggests that the new FE II level is selectively photoexcited by O VI in RR Tel, resulting in the strong fluorescence lines observed. This case of a Bowen mechanism provides an indirect observation of O VI, important for diagnostics of, e.g., symbiotic stars.
Publication Date: Apr 15, 1988
Document ID:
19880043958
(Acquired Nov 28, 1995)
Accession Number: 88A31185
Subject Category: ASTROPHYSICS
Document Type: Journal Article
Publication Information: Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X); 327; L85-L88
Publisher Information: United States
Financial Sponsor: NASA; United States
Organization Source: NASA Goddard Space Flight Center; Greenbelt, MD, United States
Description: 4p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright
NASA Terms: FLUORESCENCE; LINE SPECTRA; NUCLEAR REACTIONS; ULTRAVIOLET SPECTRA; WAVE EXCITATION; IUE; LYMAN ALPHA RADIATION; MASS TRANSFER; SYMBIOTIC STARS
Imprint And Other Notes: Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 327, April 15, 1988, p. L85-L88.
Availability Source: Other Sources
› Back to Top
Find Similar Records
NASA Logo, External Link
NASA Official: Gerald Steeman
Site Curator: STI Program
Last Modified: August 18, 2011
Contact Us