3 micron spectroscopy of IRS7 towards the Galactic Centre

Details 3 micron spectroscopy of IRS7 towards the Galactic Centre 3 micron spectroscopy of IRS7 towards the Galactic Centre

Oct 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983mnras.205..187j&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 205, Oct. 1983, p. 187-190.

Astronomy and Astrophysics

Astronomy

20

Galactic Nuclei, M Stars, Milky Way Galaxy, Stellar Spectrophotometry, Supergiant Stars, Absorption Spectra, Spectral Energy Distribution, Spectral Resolution, Stellar Spectra

Scientific paper

Intermediate (λ/Δλ ≡ 400) and low (λ/Δλ ≡ 100) resolution spectra of IRS7 from 3.0 - 3.6 μm are presented. Sharp absorption features previously reported at 3.192 and 3.295 μm are not confirmed. The overall broad absorption characteristics and the presence of a shallow feature in the red wing of the broad 3.4 μm absorption are confirmed. This shallow feature is resolved, ≡0.036 μm wide with an equivalent width of 30±10 Å and centred at 3.489±0.005 μm.

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