astronomy

NGC 1153

NGC 1153 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 NGC 1153 rather than just read about it. In short: NGC 1153 is a lenticular galaxy located in the constellation Cetus. It was discovered by Lewis Swift on December 30, 1880.

Key takeaways

NGC 1153 belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect NGC 1153 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of NGC 1153 from memory before moving on to harder problems.

Reference excerpt

NGC 1153 is a lenticular galaxy located in the constellation Cetus. It was discovered by Lewis Swift on December 30, 1880. The galaxy is cataloged as type S0-a, indicating a lenticular morphology, which lies between spiral and elliptical galaxies.

Characteristics NGC 1153 has an apparent magnitude of 12.4 in the visual band and 13.3 in the blue band. Its dimensions are approximately 1.23 arcminutes by 0.85 arcminutes. The galaxy's redshift of 0.010454 indicates it is receding from the Earth at a velocity of about 3118 km/s, placing it roughly 144 million light-years (44 megaparsecs) away from the Milky Way.

Observations NGC 1153 can be observed in the constellation Cetus, which is known for its numerous deep-sky objects. The surface brightness of NGC 1153 is relatively low, making it more challenging to observe without advanced equipment. It is part of the New General Catalogue (NGC) and has alternate designations such as PGC 11230 and UGC 2439.

References

External links NGC 1153 on SIMBAD

Illustrations

Worked examples

Example 1 — a first encounter with NGC 1153

Start with the simplest possible case. Write down what NGC 1153 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 NGC 1153 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 NGC 1153 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 NGC 1153

In research: NGC 1153 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 NGC 1153 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: NGC 1153 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Cetus (constellation), Lenticular galaxies, NGC objects, so understanding it makes those chapters shorter.
In everyday life: Look for NGC 1153 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.

Affiliate

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

How to study NGC 1153 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what NGC 1153 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 NGC 1153 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is NGC 1153 in simple terms?

NGC 1153 is a lenticular galaxy located in the constellation Cetus. It was discovered by Lewis Swift on December 30, 1880.

Why does NGC 1153 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 NGC 1153?

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 NGC 1153.