astronomy

HD 86267

HD 86267 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 86267 rather than just read about it. In short: HD 86267, also known as HR 3932, is a solitary orange-hued star located in the southern constellation Antlia. It has an apparent magnitude of 5.82, allowing it to be faintly seen with the naked eye.

Key takeaways

HD 86267 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 86267 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of HD 86267 from memory before moving on to harder problems.

Reference excerpt

HD 86267, also known as HR 3932, is a solitary orange-hued star located in the southern constellation Antlia. It has an apparent magnitude of 5.82, allowing it to be faintly seen with the naked eye. Parallax measurements place it a distance of 514 light years and it is currently receding with a heliocentric radial velocity of 3.7 km/s. HD 86267 has a stellar classification of K1 III, indicating that it is a red giant. At present it has 1.73 times the mass of the Sun but has expanded to 19.7 times its girth. It shines with a luminosity of 158 L☉ from its enlarged photosphere at an effective temperature of 4,430 K. It is a member of the old disk population, having a metallicity 71% that of the Sun. The value means that it is metal deficient. Its current rotation rate is too low to be measured accurately.

References

Worked examples

Example 1 — a first encounter with HD 86267

Start with the simplest possible case. Write down what HD 86267 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 86267 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 86267 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 86267

In research: HD 86267 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 86267 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 86267 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Antlia, Bright Star Catalogue objects, Durchmusterung objects, so understanding it makes those chapters shorter.
In everyday life: Look for HD 86267 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.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “HD 86267” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study HD 86267 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what HD 86267 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 86267 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is HD 86267 in simple terms?

HD 86267, also known as HR 3932, is a solitary orange-hued star located in the southern constellation Antlia. It has an apparent magnitude of 5.82, allowing it to be faintly seen with the naked eye.

Why does HD 86267 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 86267?

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 86267.