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A dedicated camera for extragalactic Planetary Nebulae: The Planetary Nebula Spectrograph

Published online by Cambridge University Press:  25 May 2016

N.G. Douglas ,
K. Taylor ,
K. C. Freeman  and
T. S. Axelrod
N.G. Douglas
Affiliation:
1Kapteyn Institute Groningen
K. Taylor
Affiliation:
2Anglo-Australian Observatory
K. C. Freeman
Affiliation:
3Mount Stromlo and Siding Spring Observatories
T. S. Axelrod
Affiliation:
3Mount Stromlo and Siding Spring Observatories

Extract

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Photometry in [OIII] emission of Planetary Nebulae in external galaxies can be used to determine distances as great as that of the Virgo cluster and beyond, as forcefully argued elsewhere during this conference (G.H. Jacoby, invited talk). In addition, measurement of the radial velocities of the PN allows dynamical behaviour to be probed to much greater distance from the galaxian centre than integrated light techniques (e.g. Arnaboldi 1994).

Type
IX. The Future of Planetary Nebulae Research
Information
Symposium - International Astronomical Union , Volume 180: Planetary Nebulae , 1997 , pp. 493 - 494
Copyright
Copyright © Kluwer 1997 

References

Arnaboldi, M., Freeman, K.C., Hui, X., Capaccioli, M. & Ford, H. ESO Messenger, No. 76, pp. 40–44 (1994).Google Scholar
Taylor, K. and Douglas, N.G., IAU 149 ASP Conference Series, Vol. 71, pp. 33–37 (1995).Google Scholar