Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Unequal-mass galaxy merger remnants: spiral-like morphology but
  elliptical-like kinematics   It is generally believed that major galaxy mergers with mass ratios in the
range 1:1-3:1 result in remnants that have properties similar to elliptical
galaxies, and minor mergers below 10:1 result in disturbed spiral galaxies. The
intermediate range of mass ratios 4:1-10:1 has not been studied so far. Using
N-body simulations, we show that such mergers can result in very peculiar
systems, that have the morphology of a disk galaxy with an exponential profile,
but whose kinematics is closer to that of elliptical systems. These objects are
similar to those recently observed by Jog & Chitre (2002). We present two cases
with mass ratios 4.5:1 and 7:1, and show that the merging causes major heating
and results in the appearance of elliptical-type kinematics, while surprisingly
the initial spiral-like mass profile is conserved.

17
The categories of this paper are: q-fin
25
The categories of this paper are: patt-sol
4
The categories of this paper are: cond-mat
26
The categories of this paper are: bayes-an
29
The categories of this paper are: funct-an
35
The categories of this paper are: mtrl-th
31
The categories of this paper are: ao-sci
15
The categories of this paper are: nucl-ex
23
The categories of this paper are: solv-int
21
The categories of this paper are: adap-org
5
The categories of this paper are: gr-qc
36
The categories of this paper are: cmp-lg
37
The categories of this paper are: supr-con
3
The categories of this paper are: physics
24
The categories of this paper are: dg-ga
28
The categories of this paper are: alg-geom