astronomy

NGC 4214

NGC 4214 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 4214 rather than just read about it. In short: NGC 4214 is a dwarf barred irregular galaxy located around 10 million light-years away in the constellation Canes Venatici. It was discovered on 28 April 1785 by German-British astronomer William Herschel.

Key takeaways

NGC 4214 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 4214 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of NGC 4214 from memory before moving on to harder problems.

Reference excerpt

NGC 4214 is a dwarf barred irregular galaxy located around 10 million light-years away in the constellation Canes Venatici. It was discovered on 28 April 1785 by German-British astronomer William Herschel. NGC 4214 is a member of the M94 Group.

Characteristics

NGC 4214 is both larger and brighter than the Small Magellanic Cloud as well as a starburst galaxy, with the largest star-forming regions (NGC 4214-I and NGC 4214-II) in the galaxy's center. Of the two, NGC 4214-I contains a super star cluster rich in Wolf–Rayet stars and NGC 4214-II is younger (age less than 3 million years), including a number of star clusters and stellar associations. NGC 4214 also has two older super star clusters, both with an age of 200 million years and respective masses of 2.6×105 and 1.5×106 solar masses. Two satellites are known to exist around the vicinity of NGC 4214. One is DDO 113, which has an absolute V-band magnitude of −12.2. It stopped star formation around 1 billion years ago. Another, more recently discovered object is MADCASH-2, officially named MADCASH J121007+352635-dw. The name refers to the MADCASH (Magellanic Analog Dwarf Companions and Stellar Halos) project. It is similar to typical ultra-faint dwarf galaxies, with an absolute V-band magnitude of −9.15, except in that it shows evidence of multiple episodes of star formation in its recent past: one around 400 million years ago, and another 1.5 billion years ago.

Supernova and luminous blue variable One supernova has been observed in NGC 4214:

SN 1954A (Type Ib, mag. 9.8) was discovered by Paul Wild on 30 May 1954. The galaxy has hosted one luminous blue variable:

SN 2010U (type LBV, mag. 16) was discovered by Kōichi Itagaki on 5 February 2010.

See also NGC 4236 – a similar irregular galaxy List of NGC objects (4001–5000)

Notes

References

External links Media related to NGC 4214 at Wikimedia Commons Hubble Heritage site: Detailed information on the HST picture of 4214 Galaxy NGC 4214: A star formation laboratory ESA/Hubble photo release

Illustrations

Worked examples

Example 1 — a first encounter with NGC 4214

Start with the simplest possible case. Write down what NGC 4214 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 4214 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 4214 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 4214

In research: NGC 4214 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 4214 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 4214 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Astronomical objects discovered in 1785, Barred irregular galaxies, Canes Venatici, so understanding it makes those chapters shorter.
In everyday life: Look for NGC 4214 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 4214 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what NGC 4214 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 4214 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is NGC 4214 in simple terms?

Why does NGC 4214 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 4214?

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 4214.