science

SDSS J0100+2802

SDSS J0100+2802 is a science 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 SDSS J0100+2802 rather than just read about it. In short: SDSS J0100+2802 (SDSS J010013.02+280225.8) is a hyperluminous quasar located near the border of the constellations Pisces and Andromeda. It has a redshift of 6.30, which corresponds to a distance of 12.8 billion light-years from Earth and was formed 900 million years after the Big Bang.

Key takeaways

SDSS J0100+2802 belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect SDSS J0100+2802 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of SDSS J0100+2802 from memory before moving on to harder problems.

Reference excerpt

SDSS J0100+2802 (SDSS J010013.02+280225.8) is a hyperluminous quasar located near the border of the constellations Pisces and Andromeda. It has a redshift of 6.30, which corresponds to a distance of 12.8 billion light-years from Earth and was formed 900 million years after the Big Bang.

Description It appears to recede at a velocity of 1.3782×108 m/s. It unleashes an immense amount of power equivalent to 3×1041 watts, which corresponds to the absolute bolometric magnitude of −31.7 which is 4.3×1014 times the luminosity of the Sun, and 40,000 times as luminous as all of the 400 billion stars of the Milky Way galaxy combined. SDSS J0100+2802 is about four times more luminous than SDSS J1148+5251, and seven times more luminous than ULAS J1120+0641, the most distant quasar known. It harbors a black hole with mass of 12 billion solar masses (estimated (1.24±0.19)×1010M☉ according to MgII emission line correlations). This makes it one of the most massive black holes discovered so early in the universe, although it is only less than one fifth as massive as Ton 618, the most massive black hole known. The diameter of this black hole is about 70.9 billion kilometres, seven times the diameter of Pluto's orbit.

See also List of quasars SDSS J1254+0846

References

Illustrations

Worked examples

Example 1 — a first encounter with SDSS J0100+2802

Start with the simplest possible case. Write down what SDSS J0100+2802 claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, 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 SDSS J0100+2802 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 SDSS J0100+2802 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 SDSS J0100+2802

In research: SDSS J0100+2802 appears in science 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 SDSS J0100+2802 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: SDSS J0100+2802 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Pisces (constellation), Quasars, SDSS objects, so understanding it makes those chapters shorter.
In everyday life: Look for SDSS J0100+2802 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 SDSS J0100+2802 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what SDSS J0100+2802 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 SDSS J0100+2802 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is SDSS J0100+2802 in simple terms?

Why does SDSS J0100+2802 matter?

Because it connects several science 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 SDSS J0100+2802?

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 SDSS J0100+2802.