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Barbara Sue Ryden (born May 2, 1961) is an American astrophysicist who is a Professor of Astronomy at Ohio State University. Her research considers the formation, shape and structure of galaxies. She was elected a fellow of the American Association for the Advancement of Science in 2016.

Early life and education

Ryden studied physics and integrated sciences at Northwestern University. She moved to Princeton University as a doctoral student, where she worked alongside James Gunn. She was a postdoctoral research fellow at the Center for Astrophysics | Harvard & Smithsonian and Canadian Institute for Theoretical Astrophysics.

Research and career

Ryden joined the faculty at Ohio State University in 1992. She studies the formation and shapes of galaxies. Her research made use of the Sloan Digital Sky Survey and various numerical simulations. She has shown that the galactic disks at the centre of spiral galaxies are more elliptical than circular.

Ryden has written several astronomy textbooks, including Introduction to Cosmology, Interstellar and Intergalactic Medium, and Foundations of Astrophysics.

Awards and honors

• 1994 National Science Foundation National Young Investigators Award
• 2006 American Astronomical Society Chambliss Astronomical Writing Award for her book Introduction to cosmology
• 2016 Elected Fellow of the American Association for the Advancement of Science

Selected publications

• Barbara S. Ryden; James E. Gunn (July 1987). "Galaxy formation by gravitational collapse". The Astrophysical Journal. 318: 15. Bibcode:1987ApJ...318...15R. doi:10.1086/165349. ISSN 0004-637X. Wikidata Q105030634.
• William H. Press; Barbara S. Ryden; David N. Spergel (December 1989). "Dynamical evolution of domain walls in an expanding universe". The Astrophysical Journal. 347: 590. Bibcode:1989ApJ...347..590P. doi:10.1086/168151. ISSN 0004-637X. Wikidata Q105030622.
• Press WH; Barbara Ryden; Spergel DN (1 March 1990). "Single mechanism for generating large-scale structure and providing dark missing matter". Physical Review Letters. 64 (10): 1084–1087. Bibcode:1990PhRvL..64.1084P. doi:10.1103/PHYSREVLETT.64.1084. ISSN 0031-9007. PMID 10041295. Wikidata Q74499882.

Books

• Ryden, Barbara (2003). Introduction to cosmology. San Francisco: Addison-Wesley. ISBN 0-8053-8912-1. OCLC 50478401.
• Ryden, Barbara (2017). Introduction to cosmology (second edition). : Cambridge University Press. ISBN 978-1-107-15483-4. OCLC 958497976.
• Ryden, Barbara. Foundations of astrophysics. Peterson, B. M. (Bradley M.). Cambridge. ISBN 978-1-108-93300-1. OCLC 1200964148.
• Ryden, Barbara; Pogge, Richard W. (2021). Interstellar and Intergalactic Medium. : Cambridge University Press. ISBN 978-1-108-47897-7. OCLC 1223012081.
• Pinsonneault, Marc; Ryden, Barbara (2023). Stellar Structure and Evolution. : Cambridge University Press. ISBN 978-1-108-83581-7. OCLC 1353745365.

References

1. "Inspire". inspirehep.net. Retrieved 2021-01-22.
2. Barbara Sue Ryden (1987), Galaxy formation by gravitational collapse in a universe dominated by cold dark matter, Bibcode:1987PhDT.........2R, OCLC 946084398, Wikidata Q105201377
3. "Past & Present Center for Astrophysics Fellows". Harvard & Smithsonian. Retrieved 2024-07-21.
4. "Public Lecture: The Dark Side of the Universe". The Ohio State University Department of Astronomy. 2017-04-20. Retrieved 2024-07-21.
5. "Barbara Ryden". astronomy.osu.edu. Retrieved 2021-01-22.
6. Barbara Ryden (March 2017). "A constant conflict". Nature Physics. 13 (3): 314–314. Bibcode:2017NatPh..13..314R. doi:10.1038/NPHYS4055. ISSN 1745-2473. Wikidata Q105199593.
7. Cayman T. Unterborn; Barbara S. Ryden (10 November 2008). "Inclination‐Dependent Extinction Effects in Disk Galaxies in the Sloan Digital Sky Survey". The Astrophysical Journal. 687 (2): 976–985. arXiv:0801.2400. Bibcode:2008ApJ...687..976U. doi:10.1086/591898. ISSN 0004-637X. Wikidata Q60735035.
8. Ryden B. S. (2004). "The ellipticity of the disks of spiral galaxies". The Astrophysical Journal Letters. 601: 214–220. arXiv:astro-ph/0310097. Bibcode:2004ApJ...601..214R. doi:10.1086/380437. ISSN 2041-8205. Wikidata Q68886977.
9. Ryden, Barbara (2016-11-24). "Introduction to Cosmology, 2nd edition". Cambridge University Press. Retrieved 2024-07-15.
10. Ryden, Barbara; Pogge, Richard W. (2021-03-25). Interstellar and Intergalactic Medium. Cambridge University Press. doi:10.1017/9781108781596. ISBN 978-1-108-78159-6.
11. Ryden, Barbara; Peterson, Bradley M. (2020-08-27). Foundations of Astrophysics. Cambridge University Press. doi:10.1017/9781108933001. ISBN 978-1-108-93300-1.
12. "3 Young Researchers Receive National Award". 3 Young Researchers Receive National Award. Retrieved 2021-01-22.
13. "Chambliss Astronomical Writing Award | American Astronomical Society". aas.org. Retrieved 2021-01-22.
14. "Barbara Ryden". astronomy.osu.edu. Retrieved 2022-10-01.
15. "2016 Fellows | American Association for the Advancement of Science". www.aaas.org. Retrieved 2021-01-22.

• 1961 births
• Living people
• American women scientists
• Northwestern University alumni
• Princeton University alumni
• Ohio State University faculty
• American astrophysicists
• American women academics
• 21st-century American women