Electron densities of HII regions throughout the NGC 6946 disk

Bibcode
2013RMxAC..42...14B
Beckman, J. E.; Cedrés, B.; Giammanco, C.; Bongiovanni, A.; Cepa, J.
Bibliographical reference

Fourth Science Meeting with the GTC (Eds. C. Muñoz-Tuñón & J. M. Rodríguez-Espinosa) Revista Mexicana de Astronomía y Astrofísica (Serie de Conferencias) Vol. 42, pp. 14-15 (2013) (http://www.astroscu.unam.mx/~rmaa/)

Advertised on:
5
2013
Number of authors
5
IAC number of authors
4
Citations
2
Refereed citations
2
Description
We have used the tuneable filter system of OSIRIS to observe the [SII] doublet lines at λλ617.7 and 673.1 nm in emission across the full face of NGC 6946, and estimated the in situ electron densities for 387 HII regions, so far. The values decline steadily from over 350 cm^-3 at 1/3 R_{25} to around 175 cm^-3 at 2/3 R_{25}.
Related projects
Poster Almeria Astronomy week
Kinematic, Structural and Composition Studies of the Interstellar and Intergalactic Media
The basic objective of the broject is to investigate the evolution of galaxies by deepening our understanding of the interaction between the insterstellar medium and the stars.The main technique which we use is the two-dimensional kinematic study of whole galaxies observed using our instrument:GHaFaS, a Fabry-Perot interferometer on the William
Prof.
John E. Beckman
In progress
Type
Non-refereed
Galaxies
Formation & Evolution of Galaxies (FYEG)

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