Stellar and Gas Dynamics in Normal Galaxies (fos 24): Cycle 0 Observations

Details Stellar and Gas Dynamics in Normal Galaxies (fos 24): Cycle 0 Observations Stellar and Gas Dynamics in Normal Galaxies (fos 24): Cycle 0 Observations

Jul 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990hst..prop.1044f&link_type=abstract

HST Proposal ID #1044

Physics

Hst Proposal Id #1044

Scientific paper

The FOS will be used with small apertures to map the stellar velocity dispersion and rotation in the central 1" of NGC221 (M32), NGC224 (M31), and NGC3031 (M81). The velocity disperions and rotation curves will be used to model the nuclear dynamics and to measure nuclear M/Ls. Line strengths will be use to measure changes in the stellar populations in the central 1". WF/PC pictures will be used to isolate nuclear emission line regions in M31 and M81. FOS spectra of the regions will be used to measure the physical characteristics, ionization mechanisms, and dynamics of the clouds. A special search will be made for the remnant of the supernova S-And (1885). FOS spectra will be taken of any candidate nebulosity.

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