SIMBAD references

1997A&A...322L..33B - Astronomy and Astrophysics, volume 322L33-36 (1997/6-3)

Detection of [O I] 63µm in absorption toward Sgr B2.

BALUTEAU J.-P., COX P., CERNICHARO J., PEQUIGNOT D., CAUX E., LIM T., SWINYARD B., WHITE G., KESSLER M., PRUSTI T., BARLOW M., CLEGG P.E., EMERY R.J., FURNISS I., GLENCROSS W., GRY C., JOUBERT M., LISEAU R., NISINI B., SARACENO P., SERRA G., ARMAND C., BURGDORF M., DI GIORGIO A., MOLINARI S., PRICE M., TEXIER D., SIDHER S. and TRAMS N.

Abstract (from CDS):

A high signal-to-noise 52-90µm spectrum is presented for the central part of the Sagittarius B2 complex. The data were obtained with the Long Wavelength Spectrometer on board the Infrared Space Observatory (ISO). The [O I] 63µm line is detected in absorption even at the grating spectral resolution of 0.29µm. A lower limit for the column density of atomic oxygen of the order of 1019cm–2 is derived. This implies that more than 40% of the interstellar oxygen must be in atomic form along the line of sight toward the Sgr B2 molecular cloud.

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Journal keyword(s): ISM: abundances - (ISM:) dust, extinction - (ISM:) H II regions - ISM: individual objects: Sgr B2 - Infrared: ISM: continuum - Infrared: ISM: lines and bands

Simbad objects: 4

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