astronomy

UGC 2450

UGC 2450 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 UGC 2450 rather than just read about it. In short: UGC 2450 is an elliptical galaxy of type-cD in the constellation of Aries. The redshift of the galaxy is (z) 0.071 and it was first discovered by astronomers in December 1977.

Key takeaways

UGC 2450 belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect UGC 2450 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of UGC 2450 from memory before moving on to harder problems.

Reference excerpt

UGC 2450 is an elliptical galaxy of type-cD in the constellation of Aries. The redshift of the galaxy is (z) 0.071 and it was first discovered by astronomers in December 1977. It is the brightest cluster galaxy (BCG) of the Bautz-Morgan Class Type I galaxy cluster, Abell 401.

Description UGC 2450 is a type-cD galaxy. It contains a central nucleus with a stellar velocity dispersion of around 480 ± 120 kilometers per seconds. The galactic halo has an estimated stellar velocity dispersion of 470 ± 250 kilometers per second. The halo does not show signs of being metal poor based on absorption line strength in its own optical spectrum. The nuclear region is described as both red and faint. The total K-band apparent magnitude for this cD galaxy is estimated to be 10.03 ± 0.04. A study published in July 1980 based on radio imaging made with the Very Large Array (VLA), has found the cD galaxy is mainly radio-quiet with an absence of both emission lines and a powerful radio source, although the measured radio power is estimated to be <5 × 1021 W Hz−1. There is evidence that a neighboring satellite galaxy might be located near UGC 2450. This galaxy is estimated to have a separation of 20 kiloparsecs with a velocity of 600 kilometers per seconds. A supermassive black hole is present in the center of the cD galaxy with a mass of 10.02 ± 0.03 M☉ based on an M–sigma relation between its black hole and stellar budge.

References

External links UGC 2450 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 UGC 2450

Start with the simplest possible case. Write down what UGC 2450 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 UGC 2450 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 UGC 2450 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 UGC 2450

In research: UGC 2450 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 UGC 2450 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: UGC 2450 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Aries (constellation), Astronomical objects discovered in 1977, Elliptical galaxies, so understanding it makes those chapters shorter.
In everyday life: Look for UGC 2450 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 UGC 2450 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what UGC 2450 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 UGC 2450 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is UGC 2450 in simple terms?

UGC 2450 is an elliptical galaxy of type-cD in the constellation of Aries. The redshift of the galaxy is (z) 0.071 and it was first discovered by astronomers in December 1977.

Why does UGC 2450 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 UGC 2450?

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 UGC 2450.