SIMBAD references

1998AJ....116.1690C - Astron. J., 116, 1690-1700 (1998/October-0)

Detection of H I associated with the Sculptor dwarf spheroidal galaxy.

CARIGNAN C., BEAULIEU S., COTE S., DEMERS S. and MATEO M.

Abstract (from CDS):

Neutral hydrogen (H I) has been detected in the Local Group dwarf spheroidal galaxy Sculptor with the 64 m Parkes single-dish telescope and mapped with the Australia Telescope synthesis array. Most of the detected H I is in two clouds ∼15'-20' away from the optical center. The gas is observed at the same systemic velocity as the stars, but at ≥125 km.s–1 away from the Magellanic Stream components in that region. A lower limit to the H I mass of 3.0x104 M is derived from the synthesis observation for an (M_H I_/LB) ≃ 0.02. This amount of H I is compatible with mass loss expected from normal giants, even if only 10% of the gas is retained by the galaxy in its neutral form.

Abstract Copyright:

Journal keyword(s): Galaxies: Dwarf - Galaxies: Individual: Alphanumeric: Sculptor - ISM: H I - Galaxies: Local Group - Techniques: Interferometric

CDS comments: Calibrator PKS 0042-442 not identified

Simbad objects: 27

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