astronomy

NGC 4410

NGC 4410 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 4410 rather than just read about it. In short: NGC 4410 is a pair of interacting galaxies located in the constellation of Virgo. The redshift of the pair is (z) 0.0241 and it was first discovered by the British astronomer John Herschel in January 1828.

Key takeaways

NGC 4410 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 4410 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of NGC 4410 from memory before moving on to harder problems.

Reference excerpt

NGC 4410 is a pair of interacting galaxies located in the constellation of Virgo. The redshift of the pair is (z) 0.0241 and it was first discovered by the British astronomer John Herschel in January 1828. It is listed as a member of the Virgo Cluster, but in reality the galaxies lie at a much further distance. The galaxy pair are members of the NGC 4410 group, make up of at least a dozen galaxies, of which a few are found strongly interacting with each other.

Description NGC 4410 is made up of two close galaxies undergoing strong gravitational interactions. The first galaxy is NGC 4410A (PGC 40694), classified as a peculiar spiral galaxy of type Sab while NGC 4410B (PGC 40697) is a lenticular galaxy or an elliptical galaxy. The nucleus of NGC 4410A has been categorized as active and it has been described as both a radio galaxy of low luminosity and a LINER galaxy. NGC 4410B has an active galactic nucleus like NGC 4410A and is also a LINER galaxy. There is a ring-like structure in NGC 4410A based on optical imaging, with numerous H II regions present along the ring direction. X-ray emission has been detected. Bright knot features have also been detected, mainly in southeast and northeast directions from its bright central nucleus. Both nuclei of the galaxies are clearly seen, with the nucleus of NGC 4410A being depicted as elongated by 10 arcseconds from southwest to northeast. The star formation of NGC 4410A has been estimated to be 1–4 M☉ per year.

The radio structure of NGC 4410A is peculiar. When observed by the Very Large Array (VLA), it is revealed as extended by around four arcseconds, with the presence of optical radio emission in its large region. A single compact component was detected through observations at 6 and 2 centimeters. Other observations also found there are at least two radio lobes depicted as edge-brightened and it has an overall size of around 90 kiloparsecs when seen from east to west direction. The radio spectrum of the source in the central region and the knot feature is flat, but when going towards the south-east part, it becomes steep. A study published in 2008 found there are complicated structures inside NGC 4410A, with a small prominent H II region that is located southeast from the nucleus and also a tidal arm feature both west and northwest from it. There is also a dust lane present. A spiral arm structure is seen within the radius of the central regions of NGC 4410A by around 4 to 5 arcseconds. Axisymetrical structures are also detected in NGC 4410B from southeast to northwest, which in turn, run through the center. This is suggested to be an edge-on galaxy disc. NGC 4410B also has boxy isothopes. It is confirmed NGC 4410A and NGC 4410B are merging with each other, that the merger also includes two other galaxies; IC 790 or NGC 4410C (a lenticular galaxy) and NGC 4410D, given there are tidal features and bridges of emission connecting each other. A H I tail feature has been found in a southeast direction from NGC 4410A and NGC 4410B, and is extended by 50 kiloparsecs. The total combined H2 mass for both galaxies has been estimated as 3.9 × 109 M☉.

Supernova One supernova has been observed in NGC 4410: SN 1965A (type unknown, mag. 16) was discovered by Enrique Chavira on 1 January 1965.

References

External links NGC 4410 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images NED Search results for NGC 4410A NED Search results for NGC 4410B

Illustrations

Worked examples

Example 1 — a first encounter with NGC 4410

Start with the simplest possible case. Write down what NGC 4410 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 4410 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 4410 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 4410

In research: NGC 4410 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 4410 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 4410 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Active galaxies, Astronomical objects discovered in 1828, Discoveries by John Herschel, so understanding it makes those chapters shorter.
In everyday life: Look for NGC 4410 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 4410 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what NGC 4410 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 4410 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is NGC 4410 in simple terms?

Why does NGC 4410 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 4410?

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 4410.