astronomy

NGC 5719

NGC 5719 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 5719 rather than just read about it. In short: NGC 5719 is an intermediate or barred spiral galaxy located in the constellation Virgo. It is located at a distance of 94 million light years from Earth.

Key takeaways

NGC 5719 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 5719 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of NGC 5719 from memory before moving on to harder problems.

Reference excerpt

NGC 5719 is an intermediate or barred spiral galaxy located in the constellation Virgo. It is located at a distance of 94 million light years from Earth. It was first discovered by William Herschel in April 1787, but also observed by John Herschel in April 1828 and by George Phillips Bond in March 1853, who catalogued the object as NGC 5658 under the New General Catalogue. The luminosity class of NGC 5719 is I-II and it has a broad HI line. Additionally, it is a narrow line active galaxy (NLAGN). In far infrared (40-400 ɥm), the luminosity of NGC 5719 is 1.70 × 1010 L☉ (1010.23 L☉) while its total luminosity in infrared (from the 8-1000 ɥm range) is 2.24 × 10 L☉ (1010.35 L☉).

Characteristics NGC 5719 is classified as an Sab galaxy found almost edge-on. It is interacting with a nearby face-on Sbc companion, NGC 5713. The dust lane of the galaxy is tilted, as well as bent significantly and inclined to its major axis. The galaxy has two HI tidal bridges which loop around it and are connecting with NGC 5713. There is a detection of two HI tidal tails leaving NGC 5713. Inside the disk of the galaxy (NGC 5719), ionized and neutral hydrogen are present. Both are counter-rotating in respect to the main stellar disk. When measuring the kinematics of both counter-rotating stellar disks and the ionized-gas disk, they extend by about 40 arcsec (4.3 kpc) from NGC 5719's center.

NGC 5746 group

NGC 5719 is part of the NGC 5746 group according to A.M. Garcia. In this galaxy group there are 31 members including NGC 5636, NGC 5638, NGC 5668, NGC 5690, NGC 5691, NGC 5692, NGC 5701, NGC 5705, NGC 5713, NGC 5725, NGC 5740, NGC 5746, NGC 5750, IC 1022, IC 1024 and IC 1048. Together the NGC 5719 group is part of the Virgo III cluster, one of the clusters in the Virgo Supercluster.

References

Illustrations

Worked examples

Example 1 — a first encounter with NGC 5719

Start with the simplest possible case. Write down what NGC 5719 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 5719 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 5719 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 5719

In research: NGC 5719 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 5719 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 5719 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Astronomical objects discovered in 1787, Discoveries by William Herschel, IRAS catalogue objects, so understanding it makes those chapters shorter.
In everyday life: Look for NGC 5719 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 5719 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what NGC 5719 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 5719 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is NGC 5719 in simple terms?

NGC 5719 is an intermediate or barred spiral galaxy located in the constellation Virgo. It is located at a distance of 94 million light years from Earth.

Why does NGC 5719 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 5719?

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 5719.