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Comparison of neutral hydrogen in NGC 55 and the LMC

Published online by Cambridge University Press:  14 August 2015

B. J. Robinson  and
K. J. van Damme
B. J. Robinson
Affiliation:
CSIRO Radiophysics Laboratory, Sydney
K. J. van Damme
Affiliation:
CSIRO Radiophysics Laboratory, Sydney

Extract

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Twenty-one-cm neutral hydrogen emission from NGC 55 has been measured with the 210-foot radio telescope at Parkes and a low-noise receiver (Robinson 1963). The beamwidth at 21 cm is 13′.5. NGC 55 has been classified by de Vaucouleurs as a SB(s)m system similar to the LMC, seen edgewise and with the luminous bar nearly along the line of sight (de Vaucouleurs 1961). The outer isophote published by de Vaucouleurs has dimensions of 45 by 9′, centred about 2′.5 to the south-following side of the bright “nucleus” in the centre of the bar.

Type
Section II: The Magellanic Clouds
Information
Symposium - International Astronomical Union , Volume 20: The Galaxy and the Magellanic Clouds , 1964 , pp. 276 - 278
Copyright
Copyright © Australian Academy of Science 1964 

References

Kerr, F. J., and de Vaucouleurs, G. (1955).— Aust. J. Phys. 8: 508–22.Google Scholar
Robinson, B. J. (1963).— Proc. I.R.E. (Aust.) 24: 119–27.Google Scholar
de Vaucouleurs, G. (1961).— Ap. J. 133: 405–12.Google Scholar