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- W1649276216 abstract "The recent spectroscopic observations of Planetary Nebulae (PNe) with the ESO New Technology Telescope (NTT) in the multi-object spectroscopy (MOS) mode have achieved very important results for understanding the dark matter content and the formation mechanism of the cD giant elliptical galaxy NGC 1399 in the Fornax cluster. The telescopes of the new generation will revolutionise the use of PNe as mass tracers for the dynamics of the outer regions of early type galaxies. With an 8-m telescope, a spectrograph similar to EMMI with the MOS mode, and a wavelength resolution of about 1.0 A/pix, it will possible to detect and measure velocities of PNe as faint as log F5007 (ergs cm-2 s-1) = -18.0. At the distance of the Virgo and Fornax clusters, this will allow us to measure about 600 PNe in the outer regions of the giant galaxies NGC 1399 and M87, which will give a good sampling of their potential wells. It will also be possible to measure at least 100 PNe in the outer regions of smaller ellipticals, down to 2.8 mag fainter than the cluster giants." @default.
- W1649276216 created "2016-06-24" @default.
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- W1649276216 date "1995-01-01" @default.
- W1649276216 modified "2023-10-12" @default.
- W1649276216 title "Faint Planetary Nebulae as Mass Tracers for Early Type Galaxies" @default.
- W1649276216 cites W3027864857 @default.
- W1649276216 doi "https://doi.org/10.1007/978-3-540-49215-3_30" @default.
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