The James Webb Space Telescope

pinball1970 · May 12, 2023

Black spots can represent an image where the detector is saturated at that point. It does not say in the link.

James Webb Space Telescope infographic of the Fomalhaut debris disk, a tilted orange ring with labelled inner disk, inner gap, intermediate belt, outer gap, outer ring and halo, plus a 80au scale bar and insets labelled F2300C and F2550W.

pinball1970 · May 12, 2023

This is a nice one Pandora's cluster. Bottom right quarter looks like lensing.

$Deep-field astronomical image on black background with many small galaxies, several larger elliptical galaxies in clusters, and a bright star with diffraction spikes near the centre.$

BillTre · May 12, 2023

DennisN said:

DennisN looks at Fomalhaut's Center and Finds Much More (PF, May 12, 2023)

View attachment 326420

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Sorry, I could not resist .

So you are imitating an AI which is often thought of as imitating humans.
An interesting twist with a lot of potential applications.

pinball1970 · Jun 7, 2023

https://www.space.com/james-webb-space-telescope-earliest-complex-organic-molecules

PAH are important in the RNA OOL mechanism.

https://en.wikipedia.org/wiki/PAH_world_hypothesis

pinball1970 · Jun 7, 2023

This yesterday. Barred spiral Galaxy.

Infrared image from the James Webb Space Telescope of gas tendrils and stars in the barred spiral galaxy NGC 5068, with a bright blue central region at upper left and dark dust lanes across the right side.

phinds · Jun 7, 2023

pinball1970 said:

This yesterday. Barred spiral Galaxy.

The bar is clear enough but I'm not seeing any spirals

pinball1970 · Jun 7, 2023

It is close up, panned out you get this

Telescope photo of a face-on spiral galaxy with a bright elongated central bulge and blue-grey spiral arms, set against a dark starfield.

https://en.wikipedia.org/wiki/NGC_5068 @phinds

pinball1970 · Jun 11, 2023

This was in universe today. Evidence of population 3 stars using data from JWST

https://arxiv.org/abs/2306.00953

Bandersnatch · Jun 11, 2023

pinball1970 said:

This was in universe today. Evidence of population 3 stars using data from JWST

https://arxiv.org/abs/2306.00953

Breaking news: Scientists find HeII in a galaxy at the edge of the universe!

Somebody hire me as a headline writer. I'll get you all the clicks.

pinball1970 · Jun 11, 2023

Bandersnatch said:

Breaking news: Scientists find HeII in a galaxy at the edge of the universe!

Somebody hire me as a headline writer. I'll get you all the clicks.

" The very high EW(HeII) suggests that the putative PopIII
stars must have a top-heavy IMF reaching an upper mass
cutoff of at least 500 M⊙."

Anything over this presumably all hell would break loose?

pinball1970 · Jun 13, 2023

This reminds me of the famous Hubble deep field, apparently there are 45,000 galaxies in view here which is amazing.

The image is in the link but worth putting on a paste too.

https://www.nasa.gov/feature/goddar...kled-with-bursts-of-star-formation-webb-shows

$Deep-field astronomical image of a dark background filled with thousands of small, faint galaxies in many shapes, including spirals, ellipticals and edge-on disks, with a few bright foreground stars showing diffraction spikes.$

pinball1970 · Jul 9, 2023

This alert today.

Dust with an object in universe today that has one of those symmetrical objects that led to diffraction spike discussion.

https://arxiv.org/abs/2301.10778

Looks similar?

https://www.universetoday.com/162314/supernovae-are-the-source-of-dust-in-early-galaxies/

pinball1970 · Jul 10, 2023

@Borg from #386

Looks like dust afterall!

Left: close-up of a glowing orange-white supernova remnant surrounded by a red and orange shell of dust on a dark blue background. Right: NASA Webb news graphic titled "Webb Locates Dust Reservoirs in Two Supernovae" with an inset labelled SN 2004et over a starfield.

Filip Larsen · Jul 12, 2023

$Infrared space telescope image of the Rho Ophiuchi star-forming region: glowing gas and dust clouds in white, orange and red, with bright blue-white stars with diffraction spikes and dark dust lanes.$

https://www.nasa.gov/feature/goddard/2023/webb-celebrates-first-year-of-science-with-new-image

DennisN · Jul 13, 2023

Filip Larsen said:

View attachment 329178
https://www.nasa.gov/feature/goddard/2023/webb-celebrates-first-year-of-science-with-new-image

I was just going to post this, but you beat me to it.

pinball1970 · Jul 26, 2023

@Astranut drew my attention to this on X.

Infrared space telescope image of a star-forming region: bright red glowing jets and lobes of gas extend from a central young star against a blue nebula and a dense field of background stars.

pinball1970 · Aug 4, 2023

https://webb.nasa.gov/content/webbL...31-23-STScI-01GZY2VJ33V4R0B7QKFEEQ72E1-1k.jpg

If you click on the link and get on image on the NASA site, you can zoom in closer (and closer and closer...)

Some descriptions what is going on with the lensing, dust, distances.

$Deep-field astronomical image of a galaxy cluster, with many small orange and white galaxies scattered across a black background, bright diffraction-spiked foreground stars, and a distorted orange lensed arc at upper right.$

collinsmark · Aug 6, 2023

pinball1970 said:

https://webb.nasa.gov/content/webbL...31-23-STScI-01GZY2VJ33V4R0B7QKFEEQ72E1-1k.jpg

If you click on the link and get on image on the NASA site, you can zoom in closer (and closer and closer...)

Some descriptions what is going on with the lensing, dust, distances.

View attachment 330099

Here's a link to the NASA site with the expandable image:

[Edit: Actually, I see now it's not NASA's site directly, but is NASA's Flikr site. PF won't let me display the link text; it automatically embeds the media. Go ahead and click on it though to be taken to NASA's Flikr area.]

mfb · Aug 6, 2023

pinball1970 said:

@Astranut drew my attention to this on X.

There is a big question mark here. A galaxy-sized question mark, in fact, in the bottom center of the image.

Deep-field telescope image of galaxies and stars on a black background, with a small orange question-mark-shaped galaxy near the center and a bright spiky star at lower right.

Full picture at ESAWebb

collinsmark · Aug 6, 2023

mfb said:

There is a big question mark here. A galaxy-sized question mark, in fact, in the bottom center of the image.

View attachment 330193

Full picture at ESAWebb

Nice find!

I'm guessing it's some nebulosity within our own Milky Way Galaxy though. A new question mark shape, not to be confused with NGC 7822 (a different question mark).

pinball1970 · Aug 23, 2023

A side by with HST , Ring Nebula Messier 57 - links to both images below

https://blogs.nasa.gov/webb/2023/08...icate-details-in-the-remains-of-a-dying-star/

https://esahubble.org/images/heic1310a/

Hubble image of the Ring Nebula, a planetary nebula seen face-on, with a blue central region surrounded by a bright orange and white glowing ring against a black starry background.

Infrared image of the Ring Nebula (Messier 57): a glowing orange and red ring of gas surrounding a blue central region, with faint purple filaments and scattered stars against a dark background.

I had the wrong image, it was Webb but this one is better

pinball1970 · Sep 5, 2023

https://www.nasa.gov/feature/goddard/2023/webb-reveals-new-structures-within-iconic-supernova

When I saw this image initially, I thought it looked blurred compared to the recent ring nebula images.

Infrared image of supernova remnant SN 1987A showing a bright glowing ring of material around a blue central core, surrounded by a faint reddish haze and scattered foreground stars.

However, with a quick check, the Ring Nebula is located a lot closer 2,567 ly and 1.3 ly across, whereas this supernova (SN 1987A) is 168,000 ly distant and 0.6 ly across.

Plus, there is a nice history with this image. https://en.wikipedia.org/wiki/SN_1987A

Neutrinos were observed on earth detectors few hours prior to the super nova according to the article.

Also within that link Hubble took images between 1994 and 2008 showing how it changed over time.

https://en.wikipedia.org/wiki/SN_19...7a_debris_evolution_animation_time_scaled.gif

DennisN · Sep 14, 2023

A brand new video from the Royal Institution...
I haven't seen it myself yet, but I will.
I'm pretty sure it's good.

What has the James Webb Space Telescope discovered in its first year? – with Naomi Rowe-Gurney (14 September, 2023)

And there's also a Q&A here.

pinball1970 · Nov 10, 2023

Webb with Chandra C.O. @Astranut (you can post these too fella!)
The detail is pretty stunning, an x-ray/IR combo.
UHZ1 Distant Galaxy and black hole.

Composite space image with purple X-ray glow over a field of galaxies; two inset panels labelled Chandra and JWST show a circled black hole and its host galaxy, with the label 'Chandra & JWST' in the corner.

pinball1970 · Nov 11, 2023

This one is a Hubble-JWST combination. Galaxy Cluster MACS0416

https://www.nasa.gov/missions/webb/...ine-to-create-most-colorful-view-of-universe/

Deep-field astronomy image of galaxy cluster MACS0416 against a black background, with bright yellowish elliptical galaxies clustered near the center and many smaller, colorful galaxies scattered throughout.

pinball1970 · Nov 29, 2023

Picture of the Month from the NASA/ESA/CSA James Webb Space Telescope reveals intricate details of the Herbig Haro object 797 (HH 797)

$Infrared space telescope image of a star-forming region with glowing orange and yellow jets and filaments of gas and dust against a dark blue background, with bright diffraction-spike stars at right and upper left.$

An explanation of some of the features here https://phys.org/news/2023-11-webb-captures-prominent-protostar-perseus.html

A little more detail with some Hubble images of IC348 star forming region in the below link.

https://en.wikipedia.org/wiki/IC_348

pinball1970 · Dec 13, 2023

This thread is two years old tomorrow!

Anyway, Cassiopeia A image by Webb.

Link with all the images here.

https://www.nasa.gov/missions/webb/nasas-webb-stuns-with-new-high-definition-look-at-exploded-star/

From the link.

“Embedded in this gas is a mixture of dust and molecules, which will eventually become components of new stars and planetary systems.
Some filaments of debris are too tiny to be resolved by even Webb, meaning they are comparable to or less than 10 billion miles across (around 100 astronomical units).
In comparison, the entirety of Cas A spans 10 light-years across, or 60 trillion miles.”

I had to read that twice to make sure I had not missed something, so if it is 10 billion miles across it is too small to be picked up by Webb. Given the exquisite detail it is easy to take for granted how enormous these structures are.

The article has a side by side with MIRI, below is a side by side with Hubble, see the difference in resolution/detail.

JWST 2023 HST 2016