astronomy

RBS 1467

RBS 1467 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 RBS 1467 rather than just read about it. In short: RBS 1467 also known as J1508.6+2709, is a BL Lacertae object located in the constellation of Boötes. The redshift of the object is (z) 0.269 and it was first discovered from the ROSAT Bright Survey as a point-like source by astronomers in October 1998 where it is designated as 1RXS J150842.2+270910.

Key takeaways

RBS 1467 belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect RBS 1467 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of RBS 1467 from memory before moving on to harder problems.

Reference excerpt

RBS 1467 also known as J1508.6+2709, is a BL Lacertae object located in the constellation of Boötes. The redshift of the object is (z) 0.269 and it was first discovered from the ROSAT Bright Survey as a point-like source by astronomers in October 1998 where it is designated as 1RXS J150842.2+270910.

Description RBS 1467 is BL Lac object with a B-band apparent magnitude of 18.8 magnitude with its total radio flux density estimated to be 39.9 mJy at 1.4 GHz frequencies. The V-band magnitude is estimated to be 18.50 magnitude while the flux density calculated by ROSAT band is 3.92 erg cm−2 s−1. It is also categorized as a high-energy-peaked BL Lac object (HBL) based on its synchrotron peaked frequency of 17.3. A study published in 2012, has found it is a blazar detected by Fermi Gamma-ray Space Telescope with its gamma-ray photon flux measured to be 4.1 ± 1.1 × 10−10 photons cm−2 s−1 and has a gamma-ray photon spectral index of 1.97 ± 0.27 Γγ. The total X-ray flux density at 1 keV is found to be 1.01E-0.6 mJy. Evidence found RBS 1467 is a radio-loud gamma-ray active galaxy. It has a presence of a radio jet, with the jet power being estimated to be 45.2 erg s−1. The radius of the radio emission contained within a spherical region is found to be 16.8 centimeters while the magnetic field strength is -1.68 Gs. A study published in 2022, has detected a parsec-scale jet with the jet position angle of -131° and has a median distance of 2.9 milliarcseconds between its jet components and its radio core. A central supermassive black hole is found and estimated as 8.30 M☉. The accretion disk luminosity is 43.95 erg/s.

References

External links RBS 1467 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images RBS 1467 on SIMBAD RBS 1467 on HyperLeda

Illustrations

Worked examples

Example 1 — a first encounter with RBS 1467

Start with the simplest possible case. Write down what RBS 1467 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 RBS 1467 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 RBS 1467 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 RBS 1467

In research: RBS 1467 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 RBS 1467 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: RBS 1467 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Active galaxies, Astronomical objects discovered in 1998, BL Lacertae objects, so understanding it makes those chapters shorter.
In everyday life: Look for RBS 1467 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 RBS 1467 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what RBS 1467 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 RBS 1467 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is RBS 1467 in simple terms?

Why does RBS 1467 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 RBS 1467?

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 RBS 1467.