منابع مشابه
Surface photometry of LSB edge-on galaxies
We present results of surface photometry for eleven edge-on galaxies observed with the 6-m telescope at the Special Astrophysical Observatory of the Russian Academy of Sciences. The photometric scale length, the scale height, and the central surface brightness of the stellar disks for the galaxies were found using photometric cuts made parallel to the major and the minor axes for each galaxy. W...
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Astronomy, University of Maryland, College Park MD 20742, ([email protected]), Joel Wm. Parker, Eliot F. Young, Dept. of Space Studies, SwRI, Boulder CO 80302, Peter. C. Thomas, Center for Radiophysics and Space Research, Cornell University, Ithaca NY 14853, Christopher T. Russell, IGPP & ESS, UCLA, Los Angeles CA 90095, S. Alan Stern, Dept. of Space Studies, SwRI, Boulder CO 80302, Mark V. Sy...
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We present results of broad band BVRI observations of a sample of galaxies with a low surface brightness (LSB) disk and a bulge. These galaxies are well described as exponential disks and exponential bulges with no preferred value for either scale length or central surface brightness. The median B band disk scale length is 12.6 kpc (H0 = 75 km s−1 Mpc−1) which is much larger than scale lengths ...
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Surface envelopes are tight, two-sided enclosures of composite spline surfaces. This paper shows how to construct the two hulls of the enclosure so that matched triangle pairs sandwich a given nonlinear, curved surface consisting of tensor-product Bézier patches. The main cost of the hull computation are 12 transversal line-plane intersections per vertex. The width of the enclosure, i,e. the di...
متن کاملMultiresolution Surface Reconstruction: Edge Collapsing + Simplification Envelopes
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ژورنال
عنوان ژورنال: Proceedings of the International Astronomical Union
سال: 2006
ISSN: 1743-9213,1743-9221
DOI: 10.1017/s1743921306006193