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| Query : 2000A&A...354L..79H |
2000A&A...354L..79H - Astronomy and Astrophysics, volume 354, L79-82 (2000/2-3)
Detection of deuterium Balmer lines in the Orion Nebula.
HEBRARD G., PEQUIGNOT D., VIDAL-MADJAR A., WALSH J.R. and FERLET R.
Abstract (from CDS):
The detection and first identification of the deuterium Balmer emission lines, Dα and Dβ, in the core of the Orion Nebula is reported. These lines are very narrow, have identical 11km/s velocity shifts with respect to Hα and Hβ, are probably excited by UV continuum fluorescence from the Lyman (DI) lines and arise from the interface between the HII region and the molecular cloud.
Abstract Copyright: ∼
Journal keyword(s): line: formation - line: identification - ISM: atoms, ions - ISM: HII regions - ISM: individual objects: M 42 - cosmology: observations
Simbad objects: 2
| Number of rows : 2 |
| N | Identifier | Otype |
ICRS (J2000) RA |
ICRS (J2000) DEC |
Mag U | Mag B | Mag V | Mag R | Mag I | Sp type |
#ref
1850 - 2024 |
#notes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | * tet01 Ori C | SB* | 05 35 16.4662967280 | -05 23 22.921811880 | 4.20 | 5.15 | 5.13 | 4.91 | 4.73 | O7Vp | 1404 | 1 |
| 2 | M 42 | HII | 05 35 17 | -05 23.4 | ~ | 4073 | 0 |
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