Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Searching for Environmental Effects on Galaxy Kinematics in Groups and
  Clusters at z~1 from the ORELSE Survey   We present an investigation of the dependence of galaxy kinematics on the
environment for a sample of 94 star-forming galaxies at $z\sim0.9$ from the
ORELSE survey. ORELSE is a large photometric and spectroscopic campaign
dedicated to mapping out and characterizing galaxy properties across a full
range of environments in 15 fields containing large-scale structures (LSSs) in
a redshift range of $0.6 < z < 1.3$. We constrained the rotation velocity for
our kinematic sample in an ORELSE field, containing the SC1604 supercluster, by
fitting high-resolution semi-analytical models to the data. We constructed the
stellar-mass/B-band Tully-Fisher relation and found no dependence of the
intrinsic scatter on both local and global environment. Moreover, we compared
the stellar-to-dynamical mass ratio ($M_\ast/M_{dyn}$) of SC1604 galaxies to
those residing in less dense local environment by leveraging data from the
HR-COSMOS sample. We found that, at fixed stellar mass, SC1604 galaxies have
$\sim30\%$ smaller dynamical masses on average. By comparing the distributions
of the galaxy parameters that define $M_{dyn}$ (i.e., circular velocity and the
characteristic radius $r_{2.2}$) between SC1604 and HR-COSMOS, we found that
smaller dynamical masses are mostly caused by smaller $r_{2.2}$ for SC1604
galaxies. We also observed that SC1604 galaxies in general show $\sim20\%$
lower stellar specific angular momentum ($j_\ast$) with respect to the
HR-COSMOS sample. Adopting literature estimates for (1) the excess rate of
galaxy-galaxy mergers in intermediate/high-density environments and (2) the
average amount of $j_\ast$ loss per merger event, we investigated the
possibility that galaxy mergers are mainly responsible for the loss of angular
momentum in higher density environments.

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The categories of this paper are: q-fin
9
The categories of this paper are: nlin
13
The categories of this paper are: quant-ph
22
The categories of this paper are: chao-dyn
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The categories of this paper are: econ
30
The categories of this paper are: q-alg
37
The categories of this paper are: supr-con
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The categories of this paper are: cmp-lg
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The categories of this paper are: alg-geom
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The categories of this paper are: funct-an
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The categories of this paper are: math
0
The categories of this paper are: hep-ph
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The categories of this paper are: gr-qc
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The categories of this paper are: ao-sci
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The categories of this paper are: nucl-th
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The categories of this paper are: nucl-ex