[ITAL]Far Ultraviolet Spectroscopic Explorer[/ITAL] Observations of the HD Molecule toward HD 73882 | Zendy

R. Ferlet | Zendy; M. André | Zendy; G. Hébrard | Zendy; A. Lecavelier des Étangs | Zendy; Martin Lemoine | Zendy; G. Pineau des Forêts | Zendy; E. Roueff | Zendy; B. L. Rachford | Zendy; J. Michael Shull | Zendy; Theodore P. Snow | Zendy; Jason Tumlinson | Zendy; A. VidalMadjar | Zendy; Donald G. York | Zendy; H. W. Moos | Zendy

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[ITAL]Far Ultraviolet Spectroscopic Explorer[/ITAL] Observations of the HD Molecule toward HD 73882

Author(s) -

R. Ferlet,

M. André,

G. Hébrard,

A. Lecavelier des Étangs,

Martin Lemoine,

G. Pineau des Forêts,

E. Roueff,

B. L. Rachford,

J. Michael Shull,

Theodore P. Snow,

Jason Tumlinson,

A. VidalMadjar,

Donald G. York,

H. W. Moos

Publication year - 2000

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/312799

Subject(s) - deuterium , stars , physics , far ultraviolet , astrophysics , hydrogen molecule , molecular cloud , ultraviolet , extinction (optical mineralogy) , interstellar medium , astronomy , molecule , optics , spectral line , atomic physics , galaxy , quantum mechanics

The Lyman and Werner band systems of deuterated molecular hydrogen (HD) occurin the far UV range below 1200 A. The high sensitivity of the FUSE mission cangive access, at moderate resolution, to hot stars shining through translucentclouds, in the hope of observing molecular cores in which deuterium isessentially in the form of HD. Thus, the measurement of the HD/H2 ratio maybecome a new powerful tool to evaluate the deuterium abundance, D/H, in theinterstellar medium. We report here on the detection of HD toward the highextinction star HD 73882 [E(B-V)=0.72]. A preliminary analysis is presented.Comment: 4 pages + 4 .ps figures. This paper will appear in a special issue of Astrophysical Journal Letters devoted to the first scientific results from the FUSE missio

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