astronomy

HD 87883 b

HD 87883 b 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 HD 87883 b rather than just read about it. In short: HD 87883 b is an extrasolar planet which orbits HD 87883, a K-type star on the main sequence, approximately 59 light years from Earth in the constellation of Leo Minor. It is a long-period planet, taking 8.23 years to orbit the star at the average distance of 3.77 AU in a very eccentric path, which ranges distance from 1.06 AU to 6.48 AU.

Key takeaways

HD 87883 b belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect HD 87883 b to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of HD 87883 b from memory before moving on to harder problems.

Reference excerpt

HD 87883 b is an extrasolar planet which orbits HD 87883, a K-type star on the main sequence, approximately 59 light years from Earth in the constellation of Leo Minor. It is a long-period planet, taking 8.23 years to orbit the star at the average distance of 3.77 AU in a very eccentric path, which ranges distance from 1.06 AU to 6.48 AU. It was detected by the radial velocity method on August 13, 2009. Astrometry of HD 87883 has determined an orbital inclination of either 16.8° or 163.2°, depending on whether the solution is prograde or retrograde. This, combined with the minimum mass, gives a true mass of 6.31 MJ (Jupiter masses).

References

Worked examples

Example 1 — a first encounter with HD 87883 b

Start with the simplest possible case. Write down what HD 87883 b 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 HD 87883 b 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 HD 87883 b 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 HD 87883 b

In research: HD 87883 b 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 HD 87883 b 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: HD 87883 b is common in secondary-school and first-year university syllabi. It links to neighbouring topics Exoplanet stubs, Exoplanets detected by astrometry, Exoplanets detected by radial velocity, so understanding it makes those chapters shorter.
In everyday life: Look for HD 87883 b 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 HD 87883 b in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what HD 87883 b 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 HD 87883 b out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is HD 87883 b in simple terms?

Why does HD 87883 b 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 HD 87883 b?

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 HD 87883 b.