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Small-Scale ¼ keV Fluctuations Due to the Local Hot Bubble

Published online by Cambridge University Press:  12 April 2016

K.D. Kuntz ,
S.L. Snowden  and
R.S. Warwick
K.D. Kuntz
Affiliation:
University of Maryland, College Park, Maryland, 20742, USA
S.L. Snowden
Affiliation:
USRA/GSFC, Greenbelt, Maryland, 20771, USA
R.S. Warwick
Affiliation:
University of Leicester, University Road, Leicester LE1 7RH, United Kingdom

Abstract

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To determine fluctuations in the ¼ keV emission due to the LHB, without contamination due to sources within the galactic disk, the Galactic halo or the extragalactic background, we have formed a mosaic of PSPC observations towards the Hyades, a direction where distant emission is effectively blocked by a Galactic column of many optical depths. After removing the point sources from this image, we find the ¼ keV emission to be smooth on scales from 6′ to a few degrees.

Type
Part VI Distant Hot Gas, SXRB Fluctuations, Dust, Gamma-rays
Information
International Astronomical Union Colloquium , Volume 166: The Local Bubble and Beyond , 1997 , pp. 329 - 332
Copyright
Copyright © Springer-Verlag 1998

References

Barber, C., Warwick, R.S., Snowden, S.L. (1995): Röntgenstrahlung from the Universe, eds., Zimmermann, H.U., Trümper, J.E., & Yorke, H., 319.Google Scholar
Kuntz, K.D., Snowden, S.L., Verter, F. (1997): ApJ, in pressGoogle Scholar
Snowden, S.L. (1995): Cookbook for Analysis Procedures for ROSAT XRT/PSPC Observations of Extended Objects and the Diffuse Background.CrossRefGoogle Scholar
Warwick, R., Hutchinson, I, Willingale, R., Kuntz, K., & Snowden, S. (1997): this volume.Google Scholar