physics

Sachiko Tsuruta

Sachiko Tsuruta is a physics topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Sachiko Tsuruta rather than just read about it. In short: Sachiko Tsuruta (* around 1934) is a Japanese-born American astrophysicist. Education Tsuruta received a bachelor's degree from the University of Washington in 1956.

Key takeaways

Sachiko Tsuruta belongs to physics; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Sachiko Tsuruta to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Sachiko Tsuruta from memory before moving on to harder problems.

Reference excerpt

Sachiko Tsuruta (* around 1934) is a Japanese-born American astrophysicist.

Education Tsuruta received a bachelor's degree from the University of Washington in 1956. She subsequently went on to Columbia University where she earned a master's degree in 1959 and a doctorate in 1964. While at Columbia she worked with Hong-Yee Chiu and Alastair G. W. Cameron at the NASA Goddard Institute for Space Studies.

Career

After obtaining her doctorate, Tsuruta worked at the Smithsonian Astrophysical Observatory and then beginning in the early 1970s at NASA Goddard Space Flight Center She joined the faculty of the physics department at Montana State University as a visiting professor in 1977 and as a tenure track professor in 1990. In 2016, she became a professor emerita and research professor in physics at MSU. Tsuruta has also been a visiting professor at other institutions, including the Max Planck Institute for Astrophysics and several universities in Japan.

Awards In 2015, Tsuruta received the Marcel Grossmann Award "for pioneering the physics of hot neutron stars and their cooling." One of the other award recipients that year was Ken'ichi Nomoto, with whom she had collaborated on many papers and conference presentations beginning in 1980.

Selected works Neutron Star Models. Ph.D. thesis. Columbia University, 1964 with A. G. W. Cameron: "Cooling and detectability of neutron stars", Can. J. Phys., Volume 44, 1966, p. 1863–1894 "Thermal properties and detectability of neutron stars. I. cooling and heating of neutron stars", Physics Reports, Volume 56, 1979, p. 237–277 "Thermal properties and detectability of neutron stars. II. Thermal evolution of rotation-powered neutron stars", Physics Reports, Volume 292, 1998, p. 1–130 with David Pines, R. Tamagaki (ed.): The structure and evolution of neutron stars, Basic Books 1992 "Neutron Star Cooling: the Present and the Future", in: Neutron Stars and Pulsars, Astrophysics and Space Science Library Vol. 357, Springer Lecture Series (AIP), 2009, p. 289–318 with J. Sadino, A. Kobelski, M. Teter, A. Liebmann, T. Takatsuka, K. Nomoto, H. Umeda: "Thermal Evolution of Hyperon-mixed Neutron Stars", Astrophysical Journal, Volume 691, 2009, p. 621–632 with H. Umeda, N. Yoshida, K. Nomoto, M. Sasaki, T. Ohkubo: "Early Black Hole Formation by Accretion of Gas and Dark Matter", Journal of Cosmology and Astroparticle Physics, Volume 8, 2009, p. 23 with T. Ohkubo, K. Nomoto, H. Umeda, N. Yoshida: "Evolution of Very Massive Population III: Stars with Mass Accretion from Pre-Main Sequence to Collapse", Astrophysical Journal, Volume 706, 2009, p. 1184–1193 with J.R. Plowman, D.C. Jacobs, R.W. Hellings, S.L. Larson: "Constraining the Black Hole Mass Spectra with Gravitational Wave Observations I: Error Kernel", Monthly Notices of Royal Astronomical Society, Volume 401, 2010, p. 2706–2714 "Thermal Radiation from Pulsars", in: K. Makishima (ed.), The Energetic Cosmos: Suzaku to Astro-H, AIP 2010, p. 166 with J. R. Plowman, R. W. Hellings: "Constraining the Black Hole Mass Spectra with Gravitational Wave Observations II: Direct Comparison of Detailed Models", Monthly Notices of Royal Astronomical Society, Volume 415, 2011, p. 333–352 "Thermal Evolution of Neutron Stars: Current Status", in: Proceedings of the 9th Pacific Rim Conference on Stellar Astrophysics (ASP Conference Series), 2012

References

External links Homepage, MSU Public lecture by Sachiko Tsuruta at Marcel Grossman Awards: Rome 2015

Worked examples

Example 1 — a first encounter with Sachiko Tsuruta

Start with the simplest possible case. Write down what Sachiko Tsuruta claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In physics, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Sachiko Tsuruta before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Sachiko Tsuruta ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Sachiko Tsuruta

In research: Sachiko Tsuruta appears in physics research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Sachiko Tsuruta in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Sachiko Tsuruta is common in secondary-school and first-year university syllabi. It links to neighbouring topics 21st-century American physicists, 21st-century American women physicists, American academics of Japanese descent, so understanding it makes those chapters shorter.
In everyday life: Look for Sachiko Tsuruta outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Sachiko Tsuruta in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Sachiko Tsuruta means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Sachiko Tsuruta out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Sachiko Tsuruta in simple terms?

Sachiko Tsuruta (* around 1934) is a Japanese-born American astrophysicist. Education Tsuruta received a bachelor's degree from the University of Washington in 1956.

Why does Sachiko Tsuruta matter?

Because it connects several physics ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Sachiko Tsuruta?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Sachiko Tsuruta.