astronomy

NGC 3341

NGC 3341 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 3341 rather than just read about it. In short: NGC 3341 is a peculiar galaxy located in the constellation of Sextans. It is located 415 million light years away from Earth and has a diameter of 170,000 light years.

Key takeaways

NGC 3341 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 3341 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of NGC 3341 from memory before moving on to harder problems.

Reference excerpt

NGC 3341 is a peculiar galaxy located in the constellation of Sextans. It is located 415 million light years away from Earth and has a diameter of 170,000 light years. It was discovered by Albert Marth on March 22, 1865, who described the object as "very faint and small". The galaxy is classified a minor galaxy merger system, with two known companions revealed as offset active galactic nuclei (AGN).

Characteristics NGC 3341 is classified as a giant disk galaxy located at redshift 0.027. It has a magnitude of MB = -20.3 with a mass of ≈ 1 × 1011 MΘ. The galaxy has two smaller companions of low mass located north from the galaxy with an estimated distance of 5.1 and 8.4 kiloparsecs respectively. Further observations by astronomers, classified the two offset nuclei of NGC 3341 as dwarf ellipticals or budge remnants of spiral galaxies, whose disk structures were tidal stripped as they coalesced into the larger primary galaxy. According to observations made by Foord and his colleagues, they found the primary nucleus of NGC 3341 has a 0.5-8 keV flux with luminosity of 3.63+0.07-0.05 in harmony with a rest-frame luminosity of 8.54+0.41-0.33 × 1041 erg s−1. The secondary nucleus on the other hand, has an observed 0.5-8 keV flux of 2.7+0.6-0.8 × 10-15 erg s−1 cm−2 s−1. Despite the primary nucleus having an X-ray luminosity of LX > 1 × 1041 erg s−1, the second doesn't. What is more stranger about the nuclei of NGC 3341, is both of them have different classifications. One is classified a Seyfert type II while the other is a LINER containing weak emission lines. However, the primary nucleus in NGC 3341 contains an emission-line spectrum. Based on the optical spectra of the two nuclei, it is suggested NGC 3341 might well be a dual AGN or a triple AGN system. But because the secondary nucleus never met the X-ray luminosity standards, the merger system of NGC 3341 actually contains a sole AGN.

References

Illustrations

Worked examples

Example 1 — a first encounter with NGC 3341

Start with the simplest possible case. Write down what NGC 3341 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 3341 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 3341 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 3341

In research: NGC 3341 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 3341 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 3341 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Astronomical objects discovered in 1865, Discoveries by Albert Marth, MCG objects, so understanding it makes those chapters shorter.
In everyday life: Look for NGC 3341 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 NGC 3341 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what NGC 3341 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 3341 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is NGC 3341 in simple terms?

NGC 3341 is a peculiar galaxy located in the constellation of Sextans. It is located 415 million light years away from Earth and has a diameter of 170,000 light years.

Why does NGC 3341 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 3341?

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 3341.