astronomy

NGC 5061

NGC 5061 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 5061 rather than just read about it. In short: NGC 5061 is an elliptical galaxy in the constellation of Hydra. Its velocity with respect to the cosmic microwave background is 2,383±28 km/s, which corresponds to a Hubble distance of 114.6 ± 8.2 Mly (35.14 ± 2.51 Mpc).

Key takeaways

NGC 5061 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 5061 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of NGC 5061 from memory before moving on to harder problems.

Reference excerpt

NGC 5061 is an elliptical galaxy in the constellation of Hydra. Its velocity with respect to the cosmic microwave background is 2,383±28 km/s, which corresponds to a Hubble distance of 114.6 ± 8.2 Mly (35.14 ± 2.51 Mpc). However, 25 non-redshift measurements give a closer mean distance of 78.54 ± 3.36 Mly (24.080 ± 1.031 Mpc). It was discovered by German-British astronomer William Herschel on 28 March 1786. NGC 5061 is a Seyfert II galaxy, i.e. it has a quasar-like nucleus with very high surface brightnesses whose spectra reveal strong, high-ionisation emission lines, but unlike quasars, the host galaxy is clearly detectable.

NGC 5061 group NGC 5061 is a member of a group of galaxies that bears its name. The NGC 5061 group (also known as LGG 341) contains 10 galaxies, including NGC 5078, NGC 5085, NGC 5101, IC 874, IC 4222, IC 4231, and three galaxies from the ESO catalogue.

Supernovae Two supernovae have been observed in NGC 5061:

SN 1996X (Type Ia, mag. 13) was discovered by Robert Evans and Kesao Takamizawa on 12 April 1996. At magnitude 13, it was the brightest supernova of 1996. SN 2005cn (Type Ia, mag. 14.6) was discovered by the Brazilian Supernovae Search Team (BRASS) on 19 June 2005.

See also List of NGC objects (5001–6000)

References

External links Media related to NGC 5061 at Wikimedia Commons NGC 5061 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images

Illustrations

Worked examples

Example 1 — a first encounter with NGC 5061

Start with the simplest possible case. Write down what NGC 5061 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 5061 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 5061 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 5061

In research: NGC 5061 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 5061 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 5061 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Astronomical objects discovered in 1786, Discoveries by William Herschel, ESO objects, so understanding it makes those chapters shorter.
In everyday life: Look for NGC 5061 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 5061 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what NGC 5061 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 5061 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is NGC 5061 in simple terms?

Why does NGC 5061 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 5061?

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 5061.