astronomy

WISEPA J171104.60+350036.8

WISEPA J171104.60+350036.8 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 WISEPA J171104.60+350036.8 rather than just read about it. In short: WISE J1711+3500 (also known as WISEPA J171104.60+350036.8) is a binary consisting of a brown dwarf and a planetary-mass object or brown dwarf. Both objects are late T dwarfs.

Key takeaways

WISEPA J171104.60+350036.8 belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect WISEPA J171104.60+350036.8 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of WISEPA J171104.60+350036.8 from memory before moving on to harder problems.

Reference excerpt

WISE J1711+3500 (also known as WISEPA J171104.60+350036.8) is a binary consisting of a brown dwarf and a planetary-mass object or brown dwarf. Both objects are late T dwarfs. WISE J1711+3500 was discovered in 2011 with the Wide-field Infrared Survey Explorer and with a spectrum from NASA IRTF as a T8 dwarf. In 2012 it was discovered that this object is a binary from imaging with the Keck telescope. The individual spectral types were estimated to be T8 for the primary and T9.5 for the secondary. The pair is separated by 15 ± 2 astronomical units (AU). For an age of 1 billion years the masses are around 19–23 MJ for the primary and around 8.1–10.7 MJ for the secondary. For an age of 5 billion years the masses are around 44–48 MJ for the primary and 20–26 MJ for the secondary. The orbital period was poorly constrained, but is larger than 200 years.

See also List of directly imaged exoplanets Other late T to Y dwarf binaries:

WISE 1217+1626 T9+Y0 WISE J0336−0143 Y+Y CFBDSIR J1458+1013 T9+Y0 WISE 0146+4234 T9+Y0 WISE 0226−0211 T8+Y0?

References

Illustrations

Worked examples

Example 1 — a first encounter with WISEPA J171104.60+350036.8

Start with the simplest possible case. Write down what WISEPA J171104.60+350036.8 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 WISEPA J171104.60+350036.8 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 WISEPA J171104.60+350036.8 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 WISEPA J171104.60+350036.8

In research: WISEPA J171104.60+350036.8 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 WISEPA J171104.60+350036.8 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: WISEPA J171104.60+350036.8 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Astronomical objects discovered in 2011, Binary stars, Hercules (constellation), so understanding it makes those chapters shorter.
In everyday life: Look for WISEPA J171104.60+350036.8 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 WISEPA J171104.60+350036.8 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what WISEPA J171104.60+350036.8 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 WISEPA J171104.60+350036.8 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is WISEPA J171104.60+350036.8 in simple terms?

WISE J1711+3500 (also known as WISEPA J171104.60+350036.8) is a binary consisting of a brown dwarf and a planetary-mass object or brown dwarf. Both objects are late T dwarfs.

Why does WISEPA J171104.60+350036.8 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 WISEPA J171104.60+350036.8?

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 WISEPA J171104.60+350036.8.