astronomy

RX J1532.9+3021

RX J1532.9+3021 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 RX J1532.9+3021 rather than just read about it. In short: RX J1532.9+3021 is a galaxy cluster located in the constellation of Corona Borealis. It has a velocity of 103,539 ± 8 kilometers per second, equivalent to a Hubble distance of 1,527.1 ± 106.9 megaparsecs or 3.9 billion light years.

Key takeaways

RX J1532.9+3021 belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect RX J1532.9+3021 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of RX J1532.9+3021 from memory before moving on to harder problems.

Reference excerpt

RX J1532.9+3021 is a galaxy cluster located in the constellation of Corona Borealis. It has a velocity of 103,539 ± 8 kilometers per second, equivalent to a Hubble distance of 1,527.1 ± 106.9 megaparsecs or 3.9 billion light years. It is classified one of the massive and strongest X-ray bright cool clusters in the universe at redshift z = 0.362. The luminosity of the cluster is estimated to be 6 × 1045 ergs−1. According to a study published in 2013, a mini radio halo is seen surrounding the cluster.

LEDA 1900245 The elliptical galaxy LEDA 1900245, is the brightest cluster galaxy (BCG) of RX J1532.9+3021. It has a dimension of around 120.56 kpc (~393,000 light-years) and is a LINER galaxy, meaning a galaxy whose nucleus contains an emission spectrum characterized by broad lines of weak ion atoms. First noted as a radio source back in 1990, the galaxy is classified as a blazar producing extensive amounts of star formation that is similar to other BCGs, such as the Phoenix Cluster and in NGC 1275. It is also known to host a large amount of molecular gas with ultraviolet filaments. Observations by Chandra Space Telescope found out, LEDA 1900245 hosts one of the powerful and most massive black holes measuring 10 billion solar masses. According to X-ray images, the galaxy shows two large X-ray cavities or bubbles of emitted hot gas. Each of the cavities measures 100,000 light-years across and are causing shock fronts to release most energy. The amount of energy released would then cause more hot gas to be generated, thus hampering any efforts in producing any new stars in the galaxy.

Gravitational lensed supernova A gravitational lensed supernova was discovered in early 2012 behind RX J1532.9+3021. Known as SN CLN12Did, the supernova was located at redshift z = 0.851, with its host being an early-type possible elliptical galaxy.

Gallery

See also List of the most largest black holes X-ray astronomy Galaxy cluster Abell 2142

References

Illustrations

Worked examples

Example 1 — a first encounter with RX J1532.9+3021

Start with the simplest possible case. Write down what RX J1532.9+3021 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 RX J1532.9+3021 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 RX J1532.9+3021 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 RX J1532.9+3021

In research: RX J1532.9+3021 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 RX J1532.9+3021 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: RX J1532.9+3021 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Corona Borealis, Galaxy clusters, Gravitational lensing, so understanding it makes those chapters shorter.
In everyday life: Look for RX J1532.9+3021 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.

Ask Teacher Smith questions about this articleOpens your AI tutor with a question about “RX J1532.9+3021” →

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study RX J1532.9+3021 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what RX J1532.9+3021 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 RX J1532.9+3021 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is RX J1532.9+3021 in simple terms?

Why does RX J1532.9+3021 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 RX J1532.9+3021?

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 RX J1532.9+3021.