Sign on

SAO/NASA ADS Astronomy Abstract Service

· Find Similar Abstracts (with default settings below)
· Electronic Refereed Journal Article (HTML)
· Full Refereed Journal Article (PDF/Postscript)
· arXiv e-print (arXiv:astro-ph/0005459)
· References in the article
· Citations to the Article (19) (Citation History)
· Refereed Citations to the Article
· SIMBAD Objects (5)
· NED Objects (1)
· Also-Read Articles (Reads History)
·
· Translate This Page
Title:
Far Ultraviolet Spectroscopic Explorer Observations of Interstellar Gas toward the Large Magellanic Cloud Star SK -67°05
Authors:
Friedman, S. D.; Howk, J. C.; Andersson, B.-G.; Sembach, K. R.; Ake, T. B.; Roth, K.; Sahnow, D. J.; Savage, B. D.; York, D. G.; Sonneborn, G.; Vidal-Madjar, A.; Wilkinson, E.
Affiliation:
AA(Department of Physics and Astronomy, Johns Hopkins University, Baltimore, MD 21218), AB(Department of Physics and Astronomy, Johns Hopkins University, Baltimore, MD 21218), AC(Department of Physics and Astronomy, Johns Hopkins University, Baltimore, MD 21218), AD(Department of Physics and Astronomy, Johns Hopkins University, Baltimore, MD 21218), AE(Department of Physics and Astronomy, Johns Hopkins University, Baltimore, MD 21218), AF(Department of Physics and Astronomy, Johns Hopkins University, Baltimore, MD 21218), AG(Department of Physics and Astronomy, Johns Hopkins University, Baltimore, MD 21218), AH(Department of Astronomy, University of Wisconsin, Madison, WI 53706), AI(Department of Astronomy and Astrophysics, University of Chicago, Chicago, IL 60637), AJ(Laboratory for Astronomy and Solar Physics, NASA Goddard Space Flight Center, Code 681, Greenbelt, MD 20771), AK(Institut d'Astrophysique de Paris, Centre National de la Recherche Scientifique, 98 bis Boulevard Arago, F-75014 Paris, France), AL(Center for Astrophysics and Space Astronomy, University of Colorado, Campus Box 389, Boulder, CO 80309)
Publication:
The Astrophysical Journal, Volume 538, Issue 1, pp. L39-L42. (ApJL Homepage)
Publication Date:
07/2000
Origin:
UCP
ApJ Keywords:
Galaxies: Individual: Name: Large Magellanic Cloud, ISM: Atoms, Ultraviolet: ISM
DOI:
10.1086/312800
Bibliographic Code:
2000ApJ...538L..39F

Abstract

We report on measurements of interstellar O VI, H2, P II, Si II, Ar I, and Fe II absorption along the line of sight to Sk -67°05, a B0 Ia star in a diffuse H II region in the western edge of the Large Magellanic Cloud (LMC). We find logN(O VI)=14.40+/-0.04 in the Milky Way component and, using the C IV column density from previous IUE observations, N(C IV)/N(O VI)=1.00+/-0.16, a value similar to other halo measurements made with the Far Ultraviolet Spectroscopic Explorer. In the LMC component, logN(O VI)=13.89+/-0.05 and N(C IV)/N(O VI)<0.4 (3 σ), since only an upper limit on N(C IV) is available. Along this sight line, the LMC is rich in molecular hydrogen [logN(H2)=19.50+/-0.08] in the Milky Way, logN(H2)=14.95+/-0.08. A two-component fit for the excitation temperature of the molecular gas in the LMC gives T01=59+/-5 K for J=0, 1 and Tex=800+/-330 K for J=3, 4, 5. For the Milky Way, T01=99+30-20 K; no excitation temperature could be determined for the higher rotational states. The Milky Way and LMC gas-phase [Fe/P] abundances are ~0.6 and ~0.7 dex lower, respectively, than solar system abundances. These values are similar to [Fe/Zn] measurements for the Milky Way and LMC toward SN 1987A.
Bibtex entry for this abstract   Preferred format for this abstract (see Preferences)
   

Find Similar Abstracts:

Use: Authors
Title
Keywords (in text query field)
Abstract Text
Return: Query Results Return    items starting with number
Query Form
Database: Astronomy
Physics
arXiv e-prints