astronomy

Vasilij G. Shevchenko

Vasilij G. Shevchenko is a astronomy 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 Vasilij G. Shevchenko rather than just read about it. In short: Vasilij G. Shevchenko (born 1960) is a Ukrainian astronomer, specialist in asteroid photometry, professor at the Department of Astronomy and Space Informatics of Kharkiv University.

Key takeaways

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Reference excerpt

Vasilij G. Shevchenko (born 1960) is a Ukrainian astronomer, specialist in asteroid photometry, professor at the Department of Astronomy and Space Informatics of Kharkiv University. In 2012, he was awarded M. P. Barabashov Prize, the principal prize of the National Academy of Sciences of Ukraine for Solar System research.

Biography Shevchenko was born on October 15, 1960, in the village Novomutyn in the Sumy Oblast. In 1982, he graduated from the School of Physics Department of A. M. Gorky Kharkiv State University (now V. N. Karazin Kharkiv National University). After university, he served 2 years as an officer in the air defense forces (1982-1984). Since then, he has been working at the Kharkiv Observatory as a junior researcher (1985-1992), a PhD student (1992-1996), a researcher (1996-1998), and a senior researcher (since 1998). In 1997, he defended his PhD thesis "Asteroid photometry: phase dependencies of brightness, photometric model". In 2017, he defended his doctoral dissertation "Integral photometry of asteroids: observation and numerical modeling". Since 2006, he has been teaching at the Department of Astronomy of Kharkiv University as an Associate Professor (2006-2018) and Professor (since 2018). He conducts courses "Planetary Physics", "Practical Astrophysics", "Problems of Modern Astrophysics", "Computer Technologies", conducts astrophysical practice at Chuhuiv Observational Station Member of the International Astronomical Union and the European Astronomical Society.

Scientific results Shevchenko's main contributions are studies of the phase dependence of the brightness and the opposition effect of asteroids. Based on the results of photometric observations, he determined the phase functions for different types of asteroids, studied the opposition effect up to extremely small phase angles (less than 1 degree), found some dark asteroids without an opposition effect, and determined the exact albedo for dozens of asteroids. Shevchenko proposed an analytical expression for the phase function of asteroids. He established a strong correlation between the asteroid's albedo and the slope of the phase dependence, which can be used to determine the albedo. With Shevchenko's participation, satellites of several asteroids and several variable stars were discovered.

Honours and awards M. P. Barabashov Prize of the National Academy of Sciences of Ukraine (2012). The asteroid 17034 Vasylshev is named after Vasilij Shevchenko. In the nomination for the asteroid name, it was noted that Vasilij Shevchenko "is the most productive observer of the magnitude-phase dependence and opposition effect for minor planets. He was one of the first to show that the amplitude of the opposition effect depends on taxonomic class".

References

Sources Шевченко Василь Григорович, Фізичний факультет Харківського національного університету Vasilij G. Shevchenko, Institute of Astronomy of Kharkiv National University Shevchenko, V. G. in Scopus Vasilij G. Shevchenko publications indexed by Google Scholar

Illustrations

Worked examples

Example 1 — a first encounter with Vasilij G. Shevchenko

Start with the simplest possible case. Write down what Vasilij G. Shevchenko claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, 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 Vasilij G. Shevchenko 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 Vasilij G. Shevchenko 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 Vasilij G. Shevchenko

In research: Vasilij G. Shevchenko appears in astronomy 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 Vasilij G. Shevchenko 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: Vasilij G. Shevchenko is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1960 births, Academic staff of Kharkiv Observatory, Living people, so understanding it makes those chapters shorter.
In everyday life: Look for Vasilij G. Shevchenko 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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Frequently asked questions

What is Vasilij G. Shevchenko in simple terms?

Vasilij G. Shevchenko (born 1960) is a Ukrainian astronomer, specialist in asteroid photometry, professor at the Department of Astronomy and Space Informatics of Kharkiv University.

Why does Vasilij G. Shevchenko matter?

Because it connects several astronomy 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 Vasilij G. Shevchenko?

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 Vasilij G. Shevchenko.