science

JADES-GS-z13-1

JADES-GS-z13-1 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 JADES-GS-z13-1 rather than just read about it. In short: JADES-GS-z13-1 or JADES-GS-z13-1-LA (also known as JADES-GS+53.06475-27.89024) is a high-redshift Lyman-Break galaxy in the constellation Fornax that was observed with the NIRSpec instrument of the James Webb Space Telescope (JWST) between 10 and 12 January 2024 as part of the JWST Advanced Deep Extragalactic Survey (JADES) and JADES Origins Field (JOF) programmes. It has a redshift of 13.01+0.02−0.01, making it one…

Key takeaways

JADES-GS-z13-1 belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect JADES-GS-z13-1 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of JADES-GS-z13-1 from memory before moving on to harder problems.

Reference excerpt

JADES-GS-z13-1 or JADES-GS-z13-1-LA (also known as JADES-GS+53.06475-27.89024) is a high-redshift Lyman-Break galaxy in the constellation Fornax that was observed with the NIRSpec instrument of the James Webb Space Telescope (JWST) between 10 and 12 January 2024 as part of the JWST Advanced Deep Extragalactic Survey (JADES) and JADES Origins Field (JOF) programmes. It has a redshift of 13.01+0.02−0.01, making it one of the most distant galaxies discovered. According to current theory, this redshift corresponds to a time about 13.47 billion years ago, approximately 330 million years after the Big Bang, or about 2,4% of its current age.

JADES-GS-z13-1-LA and the onset of reionization Cosmic reionization began when ultraviolet (UV) radiation produced in the first galaxies began illuminating the cold, neutral gas that filled the primordial Universe. The spectroscopy of JADES-GS-z13-1-LA reveals a singular, bright emission line unambiguously identified as Lyman-α, as well as a smooth turnover. Smooth turnover of the UV continua has been interpreted as damping-wing absorption of Lyman-α (Ly-α), the principal hydrogen transition. It is observed in JADES-GS-z13-1-LA an equivalent width of EW Ly-α > 40 Å (rest frame), previously only seen at z < 9 where the intervening intergalactic medium becomes increasingly ionized. Together with an extremely blue UV continuum, the unexpected Ly-α emission indicates that the galaxy is a prolific producer and leaker of ionizing photons. This suggests that massive, hot stars or an active galactic nucleus have created an early reionized region to prevent complete extinction of Ly-α. Whether the Ly-α emission of JADES-GS-z13-1-LA originates in stars or a supermassive black hole, it reveals the rather extreme character of one of the earliest galaxies known, despite having been found in a modest survey area examining a comoving volume of 50,000 Mpc3 between z = 11 and z = 15. At only 330 Myr after the Big Bang, the probable presence of a reionized region around this relatively UV-faint source readily constrains the timeline of cosmic reionization, favouring an early and gradual process driven (initially) by low-mass galaxies.

References

External links ESA/Webb, NASA, STScI, CSA, JADES Collaboration, Brant Robertson (UC Santa Cruz), Ben Johnson (CfA), Sandro Tacchella (Cambridge), Phill Cargile (CfA), J. Witstok, P. Jakobsen, A. Pagan (STScI), M. Zamani (ESA/Webb) JADES-GS-z13-1 (NIRCam Close-Up) JADES-GS-z13-1 in the GOODS-S field (NIRCam image, annotated)

Illustrations

Worked examples

Example 1 — a first encounter with JADES-GS-z13-1

Start with the simplest possible case. Write down what JADES-GS-z13-1 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 JADES-GS-z13-1 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 JADES-GS-z13-1 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 JADES-GS-z13-1

In research: JADES-GS-z13-1 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 JADES-GS-z13-1 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: JADES-GS-z13-1 is common in secondary-school and first-year university syllabi. It links to neighbouring topics Fornax, so understanding it makes those chapters shorter.
In everyday life: Look for JADES-GS-z13-1 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 JADES-GS-z13-1 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what JADES-GS-z13-1 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 JADES-GS-z13-1 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is JADES-GS-z13-1 in simple terms?

Why does JADES-GS-z13-1 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 JADES-GS-z13-1?

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 JADES-GS-z13-1.