MARC details
| 000 -LEADER |
|---|
| fixed length control field |
03345nam a2200265Ia 4500 |
| 003 - CONTROL NUMBER IDENTIFIER |
|---|
| control field |
IN-BaIIA |
| 005 - DATE AND TIME OF LATEST TRANSACTION |
|---|
| control field |
20211111113422.0 |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION |
|---|
| fixed length control field |
211028s9999 xx 000 0 eng d |
| 040 ## - CATALOGING SOURCE |
|---|
| Transcribing agency |
IIA Library |
| 100 ## - MAIN ENTRY--PERSONAL NAME |
|---|
| Personal name |
Sandeep Kumar Kataria |
| 9 (RLIN) |
37348 |
| Relator term |
Author |
| 245 #4 - TITLE STATEMENT |
|---|
| Title |
The formation and evolution of bars, and its impact on galaxy dynamics |
| Remainder of title |
a thesis submitted for the award of degree of doctor of philosophy in the department of physics, Indian Institute of Science, Bangalore |
| Statement of responsibility, etc. |
Sandeep Kumar Kataria |
| Medium |
[Thesis] |
| 260 ## - PUBLICATION, DISTRIBUTION, ETC. |
|---|
| Place of publication, distribution, etc. |
Bangalore |
| Name of publisher, distributor, etc. |
Indian Institute of Astrophysics |
| Date of publication, distribution, etc. |
2019 |
| 300 ## - PHYSICAL DESCRIPTION |
|---|
| Extent |
xv, 115p. |
| 500 ## - GENERAL NOTE |
|---|
| General note |
Ph.D. Thesis, Indian Institute of Science, Bangalore |
| 502 ## - DISSERTATION NOTE |
|---|
| Degree type |
Doctor of Philosophy |
| Name of granting institution |
Vellore Institute of Technology, Vellore |
| Year degree granted |
2019 |
| 520 ## - SUMMARY, ETC. |
|---|
| Summary, etc. |
By employing exoplanetary physical and orbital characteristics, aim of this study is to understand the genesis, dynamics, chemical abundance and magnetic field structure of Sun-like G stars and relationship with their planets. With reasonable constraints on selection of exoplanetary physical characteristics, and by making corrections for stellar rate of mass loss, a power law relationship between initial stellar mass and their exoplanetary mass is obtained that suggests massive stars harbor massive planets. Such a power law relationship is exploited to estimate the initial mass (1.060 0.006)M of the Sun for possible solution of “Faint young Sun paradox” which indeed indicates slightly higher mass compared to present mass. Another unsolved puzzle of solar system is angular momentum problem, viz., compare to Sun most of the angular momentum is concentrated in the solar system planets. By analyzing the exoplanetary data, this study shows that orbital angular momentum of Solar system planets is higher compared to orbital angular momentum of exoplanets. This study also supports the results of Nice and Grand Tack models that propose the idea of outward migration of Jovian planets during early history of Solar system formation. Furthermore, we have examined the influence of stellar metallicity on the host stars mass and exoplanetary physical and orbital characteristics that shows a non-linear relationship. Another important result is most of the planets in single planetary stellar systems are captured from the space and/or inward migration of planets might have played a dominant role in the final architecture of single planetary stellar systems. Finally, with the host star chromospheric activity as a magnetic field proxy, following problems are investigated. At the present epoch, influence of planetary mass on the host star’s magnetic activity is examined and it is found that host star’s magnetic activity is independent of any planetary mass present in the vicinity of the host star. At the early epoch of planetary formation, the role of largescale magnetic field on the planetary formation is examined which suggests that strong magnetic field inhibits more concentration of planetary mass in the protoplanetary disk. |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM |
|---|
| Topical term or geographic name entry element |
Astrophysics |
| 9 (RLIN) |
794 |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM |
|---|
| Topical term or geographic name entry element |
Dark matter |
| 9 (RLIN) |
14945 |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM |
|---|
| Topical term or geographic name entry element |
Disk galaxies |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM |
|---|
| Topical term or geographic name entry element |
Galaxies:evolution |
| 9 (RLIN) |
10343 |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM |
|---|
| Topical term or geographic name entry element |
Galaxy:bulges |
| 9 (RLIN) |
37349 |
| 700 ## - ADDED ENTRY--PERSONAL NAME |
|---|
| Personal name |
Mousumi Das |
| Relator term |
Supervisor |
| 856 ## - ELECTRONIC LOCATION AND ACCESS |
|---|
| Uniform Resource Identifier |
<a href="http://prints.iiap.res.in/handle/2248/7442">http://prints.iiap.res.in/handle/2248/7442</a> |
| Link text |
Click Here to Access eThesis |
| 942 ## - ADDED ENTRY ELEMENTS (KOHA) |
|---|
| Koha item type |
Thesis & Dissertations |
| Source of classification or shelving scheme |
Universal Decimal Classification |
