2024-03-29T01:46:58Zhttps://ir.vanderbilt.edu/oai/requestoai:ir.vanderbilt.edu:1803/29822020-04-22T07:49:50Zcom_1803_561com_1803_559com_1803_3706com_1803_569com_1803_66col_1803_830col_1803_684
Vanderbilt University Institutional Repository
advisor
Berlind, Andreas
author
Norris, Jackson M.
2009-05-12T21:05:15Z
2009-05-12T21:05:15Z
2008-04-20
http://hdl.handle.net/1803/2982
We use projected number density profiles of galaxy groups to investigate the relationship between galaxy group structure and dark matter structure within halos. We primarily study a specific model of how galaxies populate dark matter halos by comparing the number density profiles of galaxy groups from the Sloan Digital Sky Survey with number density profiles of galaxy groups taken from dark matter halo simulations. We also investigate the dependence of galaxy locations within galaxy groups on luminosity and color.
en_US
Galaxy groups
Halo occupation distribution
HOD
Color segregation
Luminosity segregation
Density profiles
Dark matter halos
Cosmological N-body simulations
Number density profiles of galaxy groups and clusters in the SDSS
Thesis
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
URL
https://ir.vanderbilt.edu/bitstream/1803/2982/1/NorrisThesis.pdf
File
MD5
c210378913746e8abfd2deb3f4300a0b
1872264
application/pdf
NorrisThesis.pdf
URL
https://ir.vanderbilt.edu/bitstream/1803/2982/3/NorrisThesis.pdf.txt
File
MD5
848f9487cfe14cd08282a1326715118b
71691
text/plain
NorrisThesis.pdf.txt
oai:ir.vanderbilt.edu:1803/169972022-01-14T20:15:52Zcom_1803_569com_1803_66col_1803_684
Vanderbilt University Institutional Repository
author
Cella, Katharine
2022-01-14T16:34:16Z
2022-01-14T16:34:16Z
2021-12-06
http://hdl.handle.net/1803/16997
Massive black hole binaries (MBHB) produce gravitational waves (GW) that will be detectable with pulsar timing arrays within the next few years. We determine the properties of the host galaxies of MBHB at the time they are producing detectable GW. The population of MBHB systems we evaluate is from the Illustris cosmological simulations taken in tandem with post processing semi-analytic models of environmental factors in the evolution of binaries. Upon evolving to the frequency regime detectable by pulsar timing arrays, we calculate the detection probability of each system using a variety of different values for red and white noise. We average over multiple realizations of the universe by re-sampling the host galaxy properties using a kernel density estimator to approximate the statistical distributions of the universe. Excitingly, we find that detectable systems have host galaxies that are clearly distinct from the overall population. With conservative noise factors, we found that stellar metallicity, for example, peaks at approximately twice solar metallicity as opposed to the total population of galaxies which peaks at approximately solar metallicity. Additionally, the most detectable systems are brighter and more red in color than the overall population. These results can be used to develop effective search strategies for identifying host galaxies and electromagnetic counterparts following GW detections.
en_US
Black Hole
Galaxy
Gravitational Wave
Research Subject Categories::NATURAL SCIENCES::Physics::Other physics::Theory of relativity, gravitation
Expected Host Galaxy Properties of PTA Detectable Massive Black Hole Binaries
Thesis
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
URL
https://ir.vanderbilt.edu/bitstream/1803/16997/1/Cella_Honors_Thesis.pdf
File
MD5
7d3ab3042cfe4ada1c2420d55b05897d
933059
application/pdf
Cella_Honors_Thesis.pdf
oai:ir.vanderbilt.edu:1803/9202020-04-22T08:19:49Zcom_1803_561com_1803_559com_1803_3706com_1803_569com_1803_66col_1803_830col_1803_684
Vanderbilt University Institutional Repository
advisor
Knop, Robert A.
author
Jensen, Anders A.
2008-06-16T16:38:37Z
2008-06-16T16:38:37Z
2008-04-27
http://hdl.handle.net/1803/920
Blazars AP Librae and 3c279 are analyzed for microvariability using a technique known as structure function analysis. AP Librae was observed in April
of 2005 and 3c279 was observed in April of 2007. The data for AP Librae was
previously reduced by Andrew Collazzi and the author reduced the data for
3c279. Both sets of data were reduced using Robert Knop's data reduction
program.
The author ran structure function analysis on both sets of data. Structure function analysis is a statistical analysis run on data that is suppose to
nd timescales of variability, periodicity, and the noise type of data. Previous analysis of AP Librae confirmed mircrovariability, which also shows up in
the structure function of AP Librae. Blazar 3c279 was much quieter than AP
Librae and showed no microvariability durning any of the nights.
en_US
AP Librae
3c279
Blazars
Microvariability
Structure function analysis of blazars AP Librae and 3c279
Thesis
TGljZW5zZSBncmFudGVkIGJ5IFJvbmVlIEZyYW5jaXMgKHIuZnJhbmNpc0B2YW5kZXJiaWx0LmVkdSkgb24gMjAwOC0wNi0xM1QxMzozMTo1N1ogKEdNVCk6CgpOT04tRVhDTFVTSVZFIERJU1RSSUJVVElPTiBMSUNFTlNFCgpCeSBzaWduaW5nIGFuZCBzdWJtaXR0aW5nIHRoaXMgbGljZW5zZSwgeW91ICh0aGUgYXV0aG9yKHMpIG9yIGNvcHlyaWdodApvd25lcikgZ3JhbnRzIHRvIFZhbmRlcmJpbHQgVW5pdmVyc2l0eSAgdGhlCm5vbi1leGNsdXNpdmUgcmlnaHQgdG8gcmVwcm9kdWNlLCB0cmFuc2xhdGUgKGFzIGRlZmluZWQgYmVsb3cpLCBhbmQvb3IKZGlzdHJpYnV0ZSB5b3VyIHN1Ym1pc3Npb24gKGluY2x1ZGluZyB0aGUgYWJzdHJhY3QpIHdvcmxkd2lkZSBpbiBwcmludCBhbmQKZWxlY3Ryb25pYyBmb3JtYXQgYW5kIGluIGFueSBtZWRpdW0sIGluY2x1ZGluZyBidXQgbm90IGxpbWl0ZWQgdG8gYXVkaW8gb3IKdmlkZW8uCgpZb3UgYWdyZWUgdGhhdCBWYW5kZXJiaWx0IFVuaXZlcnNpdHkgIG1heSwgd2l0aG91dCBjaGFuZ2luZyB0aGUgY29udGVudCwgdHJhbnNsYXRlIHRoZQpzdWJtaXNzaW9uIHRvIGFueSBtZWRpdW0gb3IgZm9ybWF0IGZvciB0aGUgcHVycG9zZSBvZiBwcmVzZXJ2YXRpb24uCgpZb3UgYWxzbyBhZ3JlZSB0aGF0IFZhbmRlcmJpbHQgVW5pdmVyc2l0eSAgbWF5IGtlZXAgbW9yZSB0aGFuIG9uZSBjb3B5IG9mIHRoaXMgc3VibWlzc2lvbiBmb3IKcHVycG9zZXMgb2Ygc2VjdXJpdHksIGJhY2stdXAgYW5kIHByZXNlcnZhdGlvbi4KCllvdSByZXByZXNlbnQgdGhhdCB0aGUgc3VibWlzc2lvbiBpcyB5b3VyIG9yaWdpbmFsIHdvcmssIGFuZCB0aGF0IHlvdSBoYXZlCnRoZSByaWdodCB0byBncmFudCB0aGUgcmlnaHRzIGNvbnRhaW5lZCBpbiB0aGlzIGxpY2Vuc2UuIFlvdSBhbHNvIHJlcHJlc2VudAp0aGF0IHlvdXIgc3VibWlzc2lvbiBkb2VzIG5vdCwgdG8gdGhlIGJlc3Qgb2YgeW91ciBrbm93bGVkZ2UsIGluZnJpbmdlIHVwb24KYW55b25lJ3MgY29weXJpZ2h0LgoKSWYgdGhlIHN1Ym1pc3Npb24gY29udGFpbnMgbWF0ZXJpYWwgZm9yIHdoaWNoIHlvdSBkbyBub3QgaG9sZCBjb3B5cmlnaHQsCnlvdSByZXByZXNlbnQgdGhhdCB5b3UgaGF2ZSBvYnRhaW5lZCB0aGUgdW5yZXN0cmljdGVkIHBlcm1pc3Npb24gb2YgdGhlCmNvcHlyaWdodCBvd25lciB0byBncmFudCBWYW5kZXJiaWx0IFVuaXZlcnNpdHkgdGhlIHJpZ2h0cyByZXF1aXJlZCBieSB0aGlzIGxpY2Vuc2UsIGFuZCB0aGF0CnN1Y2ggdGhpcmQtcGFydHkgb3duZWQgbWF0ZXJpYWwgaXMgY2xlYXJseSBpZGVudGlmaWVkIGFuZCBhY2tub3dsZWRnZWQKd2l0aGluIHRoZSB0ZXh0IG9yIGNvbnRlbnQgb2YgdGhlIHN1Ym1pc3Npb24uCgpJRiBUSEUgU1VCTUlTU0lPTiBJUyBCQVNFRCBVUE9OIFdPUksgVEhBVCBIQVMgQkVFTiBTUE9OU09SRUQgT1IgU1VQUE9SVEVECkJZIEFOIEFHRU5DWSBPUiBPUkdBTklaQVRJT04gT1RIRVIgVEhBTiBWQU5ERVJCSUxUIFVOSVZFUlNJVFksIFlPVSBSRVBSRVNFTlQgVEhBVCBZT1UgSEFWRQpGVUxGSUxMRUQgQU5ZIFJJR0hUIE9GIFJFVklFVyBPUiBPVEhFUiBPQkxJR0FUSU9OUyBSRVFVSVJFRCBCWSBTVUNICkNPTlRSQUNUIE9SIEFHUkVFTUVOVC4KClZhbmRlcmJpbHQgVW5pdmVyc2l0eSB3aWxsIGNsZWFybHkgaWRlbnRpZnkgeW91ciBuYW1lKHMpIGFzIHRoZSBhdXRob3Iocykgb3Igb3duZXIocykgb2YgdGhlCnN1Ym1pc3Npb24sIGFuZCB3aWxsIG5vdCBtYWtlIGFueSBhbHRlcmF0aW9uLCBvdGhlciB0aGFuIGFzIGFsbG93ZWQgYnkgdGhpcwpsaWNlbnNlLCB0byB5b3VyIHN1Ym1pc3Npb24uCg==
URL
https://ir.vanderbilt.edu/bitstream/1803/920/1/Anders_Thesis.pdf
File
MD5
0c75ad693cbe0751954b7ff546a7d00e
889811
application/pdf
Anders_Thesis.pdf
URL
https://ir.vanderbilt.edu/bitstream/1803/920/3/Anders_Thesis.pdf.txt
File
MD5
beabe8aeff371fbe27de2cd9e2a4438b
32779
text/plain
Anders_Thesis.pdf.txt
oai:ir.vanderbilt.edu:1803/51922020-04-22T08:20:38Zcom_1803_561com_1803_559com_1803_3706com_1803_569com_1803_66col_1803_830col_1803_684
Vanderbilt University Institutional Repository
advisor
Berlind, Andreas A., 1972-
author
Wibking, Benjamin
2013-05-02T19:53:23Z
2013-05-02T19:53:23Z
2013-04-22
http://hdl.handle.net/1803/5192
We demonstrate the acceleration obtained from using GPU/CPU hybrid clusters
and supercomputers for N-body simulations of gravity based in part on the
author's new code development. Validation tests are shown for cosmological
simulations and for galaxy simulations, along with their respective speedups
compared to traditional simulations. Potential new applications for science
enabled by this advance are highlighted.
en_US
n-body: general
n-body: gravitation
computational methods
large-scale structure and cosmology
cosmological simulations
galaxy simulations
Simulating the universe with GPU-accelerated supercomputers: n-body methods, tests, and examples
Thesis
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
URL
https://ir.vanderbilt.edu/bitstream/1803/5192/1/ben_w_thesis.pdf
File
MD5
80f1a136ba45a5b6bb76b94067a32c1e
4283762
application/pdf
ben_w_thesis.pdf
URL
https://ir.vanderbilt.edu/bitstream/1803/5192/3/ben_w_thesis.pdf.txt
File
MD5
ec614cb7bfad276eefe5ef3a7e153211
33110
text/plain
ben_w_thesis.pdf.txt
oai:ir.vanderbilt.edu:1803/41082020-04-22T08:11:23Zcom_1803_561com_1803_559com_1803_3706com_1803_569com_1803_66col_1803_830col_1803_684
Vanderbilt University Institutional Repository
advisor
Berlind, Andreas A., 1972-
author
Robbins, Katherine
2010-06-15T21:59:02Z
2010-06-15T21:59:02Z
2010-04
http://hdl.handle.net/1803/4108
en_US
Density profiles
Dark matter halos
NFW profile
Concentration
Halo mass
LasDamas
Halo shape
Esmeralda
Large scale structure
Cosmological N-body simulations
Density profiles of dark matter halos
Thesis
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
URL
https://ir.vanderbilt.edu/bitstream/1803/4108/1/katie_thesis.pdf
File
MD5
c7f310bb96bf8a68cc0304d358fb1b6e
6051409
application/pdf
katie_thesis.pdf
URL
https://ir.vanderbilt.edu/bitstream/1803/4108/3/katie_thesis.pdf.txt
File
MD5
18fa7aed65c93a70c986e3f2d0cdf5ce
66183
text/plain
katie_thesis.pdf.txt
oai:ir.vanderbilt.edu:1803/51082020-04-22T08:11:49Zcom_1803_561com_1803_559com_1803_3706com_1803_569com_1803_66col_1803_830col_1803_684
Vanderbilt University Institutional Repository
advisor
Cargile, Phillip A. (Philip Andrew)
author
Kundert, Alisha
2012-06-13T19:44:40Z
2012-06-13T19:44:40Z
2012-04
http://hdl.handle.net/1803/5108
Rotation period distributions for older open clusters are difficult to
obtain because of the general scarcity of clusters with ages greater
than 200 Myr, as well as the challenge of measuring rotation periods
for less active older stars. This has clouded our knowledge of how
stars spin down as they evolve from the zero-age main sequence. A key
piece of our understanding of how stellar rotation rates change over
time relies on the study of the nearby (~45 pc) and old (~625 Myr)
Hyades open cluster. We present the results from a detailed analysis
of the rotation period distribution of the Hyades in an effort to
estimate the gyro-age of this benchmark open cluster. Analyzing All
Sky Automated Survey (ASAS) light curves with 14+ year baselines, we
measure rotation periods for Hyades members by applying a
period-finding technique that combines the Lomb-Scargle periodogram
and Monte Carlo simulations to optimize period detection in
long-baseline, low-cadence light curves that potentially suffer from
time-dependent changes, e.g. star spot evolution. We derive 67
rotation periods for Hyades members, 40 of which are determined for
the first time. These rotation periods measured from ASAS light curves
allow us to characterize the rotation period distribution of the
Hyades, enabling the application of current gyrochronology models to
calculate a rotation-age for the cluster. Additionally, using ASAS
data provides a valuable test of our ability to determine rotation
periods in future low-cadence, extended duration surveys, such as the
Large Synoptic Survey Telescope (LSST).
en_US
gyrochronology
Hyades
open clusters
stellar ages
stellar rotation
Rotation periods of the Hyades open cluster using ASAS light curves : measuring the Hyades gyro-age and benchmarking tools for gyrochronology studies with LSST
Thesis
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
URL
https://ir.vanderbilt.edu/bitstream/1803/5108/1/Kundert-thesis.pdf
File
MD5
07113035a741f384754ebaae7d6e3886
1084683
application/pdf
Kundert-thesis.pdf
URL
https://ir.vanderbilt.edu/bitstream/1803/5108/6/Kundert-thesis.pdf.txt
File
MD5
9678b3ec2893ecf5a7afc146aab8a6a6
64477
text/plain
Kundert-thesis.pdf.txt
oai:ir.vanderbilt.edu:1803/29462020-04-22T08:19:40Zcom_1803_561com_1803_559com_1803_3706com_1803_569com_1803_66col_1803_830col_1803_684
Vanderbilt University Institutional Repository
advisor
Stassun, Keivan
author
Henderson, Calen B.
2009-05-07T15:43:19Z
2009-05-07T15:43:19Z
2009-04-20
http://hdl.handle.net/1803/2946
We report time-series CCD I-band photometry for the pre-main-sequence cluster NGC 6530, located within the Lagoon Nebula. The data were obtained with the 4Kx4K imager on the SMARTS 1.0m telescope at CTIO on 36 nights over the summers of 2005 and 2006. In total we have light curves for ~50,000 stars in an area ~1 deg2, with a sampling cadence of ~1 hour. Approximately 1,000 of these stars have been identified as bona fide members of the cluster with masses in the range 0.25-4.0 Msun, assuming a distance of 1.25 kpc to the cluster. Our goals are to measure rotation periods for these stars and to identify eclipsing binary candidates. Here we present light curves of the 223 stars in our sample found by us to be periodically variable, and we present the distribution of the stellar rotation periods derived from these light curves. We also present 16 potential eclipsing binary star systems that, through follow-up work, will provide direct measurements of the masses and radii of the stars for testing of stellar evolutionary models. This work has been supported by the National Science Foundation under Career grant AST-0349075.
en_US
Rotation Periods
Eclipsing Binary Stars
NGC 6530
Lagoon Nebula
Pre-Main Sequence Stars
Time-Series Photometry
A Search for Pre-Main Sequence Eclipsing Binary Stars in the Lagoon Nebula
Thesis
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
URL
https://ir.vanderbilt.edu/bitstream/1803/2946/1/HendersonThesis.pdf
File
MD5
bcc626bd7def00f7a88d2c116ddd5530
10550325
application/pdf
HendersonThesis.pdf
URL
https://ir.vanderbilt.edu/bitstream/1803/2946/3/HendersonThesis.pdf.txt
File
MD5
40ff1eaa9a874d24bad96fb28b972c09
64663
text/plain
HendersonThesis.pdf.txt
oai:ir.vanderbilt.edu:1803/75712020-04-22T08:45:42Zcom_1803_569com_1803_66col_1803_684
Vanderbilt University Institutional Repository
advisor
Stassun, Keivan G.
author
Lubin, Jack B.
2016-05-18T16:31:40Z
2016-05-18T16:31:40Z
2016-05-18
http://hdl.handle.net/1803/7571
Using data from the Kilodegree Extremely Little Telescope (KELT) project,
we performed a survey of 2028 known M Dwarf stars in the KELT footprint
for M-M Dwarf eclipsing binaries (EBs). After searching 2028 Mdwarf stars,
we Follow up observation of our best target’s eclipse events confirmed our
hypothesis, and further Spectroscopic and Radial Velocity (RV) data allowed
us to model the system. In this paper, we overview our survey and report
the discovery and analysis of a new double-lined M-M eclipsing binary system,
KS20C055996. This system is the second brightest M-M EB known
(V 13.9) with M1 = 0.47 M and M2 = 0.38 M , orbiting on a period of
1.11 days. KS20C055996 provides a unique opportunity to study Very Low
Mass Stars (VLMS) and further compare observational results with current
theoretical models of low mass stellar interiors.
en_US
Eclipsing Binary
M Dwarf
Kilodegree Extremely Little Telescope
KELT
The search for M-M Dwarf Eclipsing Binary Systems
Thesis
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
URL
https://ir.vanderbilt.edu/bitstream/1803/7571/1/Senior%20Honors%20Thesis%20-%20The%20Search%20for%20M-M%20Dwarf%20Eclipsing%20Binary%20Systems.pdf
File
MD5
a60bc13ff156031fa677e612c8698f97
4770772
application/pdf
Senior Honors Thesis - The Search for M-M Dwarf Eclipsing Binary Systems.pdf
URL
https://ir.vanderbilt.edu/bitstream/1803/7571/3/Senior%20Honors%20Thesis%20-%20The%20Search%20for%20M-M%20Dwarf%20Eclipsing%20Binary%20Systems.pdf.txt
File
MD5
7deb183566e83e0706b81d90c3db8ba0
43247
text/plain
Senior Honors Thesis - The Search for M-M Dwarf Eclipsing Binary Systems.pdf.txt