astronomy

NVSS J141343+433945

NVSS J141343+433945 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 NVSS J141343+433945 rather than just read about it. In short: NVSS J141343+433945 also known as RGB J1413+436, is a Type-cD galaxy located in the constellation of Boötes. The redshift of the object is (z) 0.089 and it was first discovered from a sample of radio-loud active galactic nuclei by astronomers in 1998.

Key takeaways

NVSS J141343+433945 belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect NVSS J141343+433945 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of NVSS J141343+433945 from memory before moving on to harder problems.

Reference excerpt

NVSS J141343+433945 also known as RGB J1413+436, is a Type-cD galaxy located in the constellation of Boötes. The redshift of the object is (z) 0.089 and it was first discovered from a sample of radio-loud active galactic nuclei by astronomers in 1998. It is classified as a broad-line radio galaxy and is the brightest cluster galaxy of Abell 1885, dominating the center of the galaxy cluster.

Description NVSS J141343+433945 contains a low luminosity active galactic nucleus. When observed with Very Long Baseline Interferometry (VLBI), the source is found compact but has no signs of any extended structures. The optical spectrum of the galaxy also displays strong signatures of emission lines mainly made up of ionized oxygen, hydrogen beta and hydrogen alpha. There is also a presence of an X-ray source with the total X-ray luminosity that is estimated to be 1.7 × 1044 erg s−1. Evidence also suggested that the galaxy is also a BL Lacertae candidate. The molecular line luminosity is 1.1 × 1040 erg s−1 while the hydrogen alpha luminosity is 5.4 × 1040 erg s−1. A study published in 2025, has found the active galactic nucleus of the galaxy is relatively young. Based on studies, the nucleus is depicted as bright in X-rays with the source being mainly resolved into a central point source. The radio core is found to be resolved and there are presence of two-sided radio jets towards both the east and west direction from the location of the core. The total jet power is about 102 ± 66 × 1042 erg s−1. On parsec-scale imaging made at 5 GHz frequencies, the flux density of the source is 34.3 ± 3.0 mJy. The supermassive black hole lying in the center of the galaxy is estimated to be 4.7 ± 1.1 × 108 M☉ and the total star formation rate is estimated to be 0.4 M☉ per year. The ionized gas is mainly concentrated on the nucleus, however it is also shown as elongated by 30 kiloparsecs.

References

External links NVSS J141343+433945 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 NVSS J141343+433945

Start with the simplest possible case. Write down what NVSS J141343+433945 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 NVSS J141343+433945 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 NVSS J141343+433945 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 NVSS J141343+433945

In research: NVSS J141343+433945 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 NVSS J141343+433945 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: NVSS J141343+433945 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Active galaxies, Astronomical objects discovered in 1998, Blazars, so understanding it makes those chapters shorter.
In everyday life: Look for NVSS J141343+433945 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 NVSS J141343+433945 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what NVSS J141343+433945 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 NVSS J141343+433945 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is NVSS J141343+433945 in simple terms?

Why does NVSS J141343+433945 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 NVSS J141343+433945?

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 NVSS J141343+433945.