Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The Stromlo-APM Redshift Survey II. Variation of Galaxy Clustering with
  Morphology and Luminosity   We present clustering measurements for samples of galaxies selected by
morphological type and luminosity from the recently completed Stromlo-APM
Redshift Survey. Early type galaxies are clustered more strongly by a factor
3.5--5.5, than late type galaxies. Low-luminosity galaxies are clustered more
weakly by a factor of $\sim 2$ than $L^*$ and brighter galaxies on scales
$\simgt 1\hMpc$. Also the slope of the correlation function is steeper for
low-luminosity galaxies, so that the amplitude is a factor 4 lower at $ 10
\hMpc$. No difference, however, is seen between the clustering of $L^*$ and
more luminous galaxies, an observation which may be hard to reconcile with some
theories of biased galaxy formation. Both redshift-space and real-space
clustering estimates show a similar dependence on luminosity.

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The categories of this paper are: nlin
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The categories of this paper are: q-bio
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The categories of this paper are: plasm-ph
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The categories of this paper are: math-ph
11
The categories of this paper are: hep-lat
31
The categories of this paper are: ao-sci
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The categories of this paper are: econ
29
The categories of this paper are: funct-an
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The categories of this paper are: hep-th
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The categories of this paper are: alg-geom
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The categories of this paper are: cond-mat
2
The categories of this paper are: math
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The categories of this paper are: mtrl-th
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The categories of this paper are: chao-dyn
1
The categories of this paper are: cs
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The categories of this paper are: solv-int