astronomy

NGC 1320

NGC 1320 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 1320 rather than just read about it. In short: NGC 1320 is a spiral galaxy located in the constellation Eridanus. Its speed relative to the cosmic microwave background is 2,620 ± 15 km/s, which corresponds to a Hubble distance of 38.6 ± 2.7 Mpc (~126 million ly).

Key takeaways

NGC 1320 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 1320 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of NGC 1320 from memory before moving on to harder problems.

Reference excerpt

NGC 1320 is a spiral galaxy located in the constellation Eridanus. Its speed relative to the cosmic microwave background is 2,620 ± 15 km/s, which corresponds to a Hubble distance of 38.6 ± 2.7 Mpc (~126 million ly). It was discovered by the German-British astronomer William Herschel in 1784. The luminosity class of NGC 1320 is I and it is an active Seyfert 2 galaxy. NGC 1320 is a galaxy whose core shines in the ultraviolet region. It is listed in the Markarian catalog under the symbol Mrk 607 (MK 607). To date, a non-redshift-based measurement gives a distance of approximately 37,700 Mpc (~123 million ly). This value is within the Hubble distance values.

Supermassive black hole According to the authors of a paper published in 2002, the mass of the central black hole of NGC 1320 is 1.51 x 107 M☉. A study carried out in 2007 on 90 Seyfert 2 type galaxies using velocity dispersion made it possible to estimate the mass of their central supermassive black holes. For NGC 1320, the mass of the black hole is 15 ×106 𝑀⊙. According to another study published in 2012 and based on the dispersion of the velocities of the central region of NGC 3982, the mass of the central black hole would be 19.5 million 𝑀⊙.

Supernova One supernova has been observed in NGC 1320: SN 1994aa (type Ia, mag. 17) was discovered by the Scottish-Australian astronomer Robert H. McNaught on 11 September 1994.

See also List of spiral galaxies List of NGC objects (1001–2000)

External links NGC 1320 at NASA/IPAC NGC 1320 at SIMBAD NGC 1320 at LEDA

References

Illustrations

Worked examples

Example 1 — a first encounter with NGC 1320

Start with the simplest possible case. Write down what NGC 1320 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 1320 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 1320 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 1320

In research: NGC 1320 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 1320 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 1320 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Astronomical objects discovered in 1784, Discoveries by William Herschel, Eridanus (constellation), so understanding it makes those chapters shorter.
In everyday life: Look for NGC 1320 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 1320 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what NGC 1320 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 1320 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is NGC 1320 in simple terms?

Why does NGC 1320 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 1320?

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 1320.