astronomy

IC 3370

IC 3370 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 IC 3370 rather than just read about it. In short: IC 3370 is an elliptical galaxy located in the constellation of Centaurus. It is located 156 million light-years from Earth.

Key takeaways

IC 3370 belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect IC 3370 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of IC 3370 from memory before moving on to harder problems.

Reference excerpt

IC 3370 is an elliptical galaxy located in the constellation of Centaurus. It is located 156 million light-years from Earth. It was discovered by American astronomer Lewis Swift on 30 January 1898. According to the SIMBAD database, IC 3370 is said to be a LINER galaxy but also a Seyfert type II galaxy. The luminosity of the galaxy is estimated to have a B magnitude of -22.3, similar to other elliptical galaxies.

Description IC 3370 is classified as an E2-E3 elliptical galaxy with a bright nucleus. The galaxy has a box-shaped appearance similar to LEDA 74886, although some studies classified it as a peculiar lenticular galaxy (S0pec). It has isophotal twisting in its galactic bulge to a significant extent between 0 and 70 arcseconds, indicating the galaxy might have gone through a tidal-encounter or a galaxy merger. There are also dust patches covering most of the nuclear regions in the galaxy with signatures of X-ray isotopes and cylindrical rotation. The inner disk of the galaxy is shown to be rotating at speeds of 100 km s−1. It has a dust lane running through the galaxy's central region.

NGC 4696 group According to A. M. Garcia, IC 3370 belongs to the 79-member NGC 4696 galaxy group (also known as LGG 298). Some of the other members in the group include NGC 4373, NGC 4499, NGC 4507, NGC 4553, NGC 4743, NGC 4744, NGC 4767, NGC 4811, NGC 4812 and NGC 4832.

References

External links Revised IC data for IC 3370 on SEDS IC 3370 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images

Illustrations

Worked examples

Example 1 — a first encounter with IC 3370

Start with the simplest possible case. Write down what IC 3370 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 IC 3370 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 IC 3370 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 IC 3370

In research: IC 3370 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 IC 3370 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: IC 3370 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Astronomical objects discovered in 1898, Centaurus, Discoveries by Lewis Swift, so understanding it makes those chapters shorter.
In everyday life: Look for IC 3370 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 IC 3370 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what IC 3370 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 IC 3370 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is IC 3370 in simple terms?

IC 3370 is an elliptical galaxy located in the constellation of Centaurus. It is located 156 million light-years from Earth.

Why does IC 3370 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 IC 3370?

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 IC 3370.