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The “Jet” of M89: CCD Surface Photometry

Published online by Cambridge University Press:  04 August 2017

G. Clark ,
P. Plucinsky  and
G. Ricker
G. Clark
Affiliation:
Physics Department and Center for Space Research, Massachusetts Institute of Technology, Cambridge, Mass
P. Plucinsky
Affiliation:
Physics Department and Center for Space Research, Massachusetts Institute of Technology, Cambridge, Mass
G. Ricker
Affiliation:
Physics Department and Center for Space Research, Massachusetts Institute of Technology, Cambridge, Mass

Abstract

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We have obtained CCD images in R and V of Malin's “jet” in the weakly radio and X-ray active E0 galaxy M89 (NGC4552). the luminosity of this feature is approximately 1/4% of the total luminosity of the galaxy; its color is bluer than that of the whole galaxy with a V-R value smaller by about 0.15 magnitudes. the likely explanation of the feature, which looks more like a proboscis than a jet, is that it is, in the words of the Toomres (1972), a “tidal relic of a close encounter”, seen from a perspective that may hide a drawn out tail.

Type
Posters
Information
Symposium - International Astronomical Union , Volume 127: Structure and Dynamics of Elliptical Galaxies , 1987 , pp. 453 - 454
Copyright
Copyright © Reidel 1987 

References

REFERENCES

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