astronomy

HD 96167

HD 96167 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 96167 rather than just read about it. In short: HD 96167 is a double star system with an exoplanetary companion in the southern constellation of Crater. The apparent visual magnitude of this system is 8.09, which is too faint to be readily visible to the naked eye.

Key takeaways

HD 96167 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 96167 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of HD 96167 from memory before moving on to harder problems.

Reference excerpt

HD 96167 is a double star system with an exoplanetary companion in the southern constellation of Crater. The apparent visual magnitude of this system is 8.09, which is too faint to be readily visible to the naked eye. It is located at a distance of approximately 279 light years from the Sun based on parallax, and is drifting further away with a radial velocity of +12 km/s. The primary component, designated HD 96167 A, is an ordinary G-type main-sequence star with a stellar classification of G5V. It has also been classified as a subgiant star, suggesting it is somewhat more evolved having exhausted the hydrogen at its core. The star has an absolute magnitude of 3.41, placing it about a magnitude above the main sequence. It is metal rich and is around six billion years old. This star is larger, brighter and more massive than the Sun. A faint co-moving stellar companion, component HD 96167 B, was detected in 2014 at a projected separation 506 AU from the primary. The existence of additional stellar companions was ruled out at projected distances from 51 to 740 astronomical units. In 2009 it was found that primary star HD 96167 A is orbited by a Jovian planet on an eccentric orbit.

Worked examples

Example 1 — a first encounter with HD 96167

Start with the simplest possible case. Write down what HD 96167 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 96167 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 96167 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 96167

In research: HD 96167 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 96167 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 96167 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Crater (constellation), Double stars, Durchmusterung objects, so understanding it makes those chapters shorter.
In everyday life: Look for HD 96167 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 96167 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what HD 96167 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 96167 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is HD 96167 in simple terms?

Why does HD 96167 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 96167?

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 96167.