/r/jameswebb

Photograph via snooOG

Welcome to /r/JamesWebb, the subreddit for NASA's James Webb Space Telescope.

Launched on December 25th, 2021, the James Webb Space Telescope or JWST succeeds the highly successful Hubble telescope as NASA‘s flagship general purpose telescope in space. Unlike Hubble which sees in the visible light spectrum, the Webb telescope sees in infrared enabling it to answer different questions about our universe.

The CSA & ESA also contributed

All artistic creations can be submitted in r/jameswebb_art.

Welcome to /r/JamesWebb, the subreddit for NASA's James Webb Space Telescope.

Please subscribe and stay tuned for news, photos, videos, and discussion.

About the Telescope:

Launched on December 25th, 2021, the James Webb Space Telescope or JWST succeeds the highly successful Hubble telescope as NASA's flagship general purpose telescope in space. Unlike Hubble which sees in the visible light spectrum, the Webb telescope sees in infrared enabling it to answer different questions about our universe. The Webb telescope has been in the works since 1996 and is a collaboration between 17 countries, and narrowly survived congress in 2011. For more information visit the about page at NASA.gov

Rules:

-No Off Topic Posts, No Artistic Creations, No NSFW. Posts should remain on topic to the JWST, Ariane, NASA, ESA, and other agencies involved in JWST either construction or time. All Art should be submitted to r/jameswebb_art. No NSFW. Conspiracy, UFO, and paranormal discussion belong in their respective subreddits, not here.

-No Memes, Image Macros, other overdone reddit jokes. No jokes misrepresenting the JWST. No Memes, Image Macros, or other overdone reddit jokes, including comment chains. No jokes (or anything), especially in titles, misrepresenting the JWST, anyone involved, or space agencies inn general.

-Be Civil. Follow Reddiquette, which is considered a rule here Reddiquette is ever changing, so a revisit once in awhile is recommended. Top violations of this rule are trolling, starting a flamewar, or not "Remembering the human" aka being hostile or incredibly impolite. Additionally, sexism/racism/other isms are not allowed.

-News/images/data source must be from original author (no rehosted content). News and images/data from James Webb must be from the original author of the content. This could be NASA or other entities authorized to use observation time. This includes YouTube videos posted by random YouTubers even if there's added explanation.

-No Soliciting of any kind. If your post or comment is designed to drive people to your site or product, the post will be removed and you may be banned.

-Submitting a Question? Check our FAQs First! Posts will be removed if answers lie in the FAQs. Click Here To Check.

Related Subreddits:

/r/Space

/r/NASA

/r/Astronomy

External Links:

NASA Mission Page

Official Twitter

Wikipedia Page

Youtube Channel

Official NASA biography of James E. Webb.

JWST Instagram

/r/jameswebb

119,143 Subscribers

303

HV Tauri (star) and companion HV Tauri C (surrounded by a protoplanetary disk)

9 Comments
2024/10/30
14:47 UTC

95

What will happen after JWST ends it mission or cut off contact for good?

Welp saying “cut off contact for good” is harsh but I want to know why JWST couldn’t have just had more fuel to power itself and im questioning myself how would Nancy Grace Roman Telescope will take over and when I learn about the Roman telescope I immediately think it’s gonna be like Hubble still not great so I need to spill out all my thoughts here right now.

74 Comments
2024/10/28
13:58 UTC

113

JWST/NIRCam Narrowband Survey of Paβ Emitters in the Spiderweb Protocluster at z=2.16

JWST observed this well-studied high redshift proto cluster, shown here in a mosaic of mutli-band NIRCam images that was published in a recent paper. The authors studied the particular wavelength of light associated with an excited hydrogen energy level (specifically the Paschen beta, Paβ, which in vacuum is λ=1282nm but at redshift z=2.2 corresponds to the NIRCam filter around λ=4100nm), as a way to estimate the evolution and star formation rates of galaxies within this actively growing proto cluster.

arxiv paper link (accepted to the Astrophysical Journal): https://arxiv.org/abs/2410.03362v1

Author's caption: "Spatial distribution of Paschen Beta Emitter (PBE) candidates (squares) and known Hydrogen Alpha Emitters (HAEs, circles) around the Spiderweb radio galaxy. RGB filters: F410M/F182M/F115W, image made by stiff (Bertin 2012). The green lines depict the survey area of the Hα line imaging. The dashed circle indicates the virial radius (r500 = 220 proper kpc) based on the X-ray measurement by Tozzi et al. (2022a)"

0 Comments
2024/10/23
05:07 UTC

391

A First-look at Spatially-resolved Infrared Supernova remnants in M33

Figure 3 from an October 16th arxiv paper submitted to ApJ): https://arxiv.org/pdf/2410.11821

Author's caption: "Three-color composite image of the MIRI field (Figure 2) in our JWST survey of M33, with MIRI filters F560W (green) and F2100W (red), and the IRAC 4.5 μm (blue). White circles represent locations of confirmed SNRs. The brightest and most prominent MIRI SNRs (see Section 3.1) in the field are labeled in larger font"

(with brightness/contrast/sharpening added by me)

2 Comments
2024/10/19
00:10 UTC

43

Youtube channel that explains James Webb images

Hi,

I would like to know if there's a youtube channel (or more than one) that take the new release James Webb images and talk about it, analyse it, break them down.

Thank you

9 Comments
2024/10/17
09:34 UTC

461

Two of the most distant brown dwarfs discovered

14 Comments
2024/10/08
10:59 UTC

229

Galaxy cluster RCS2 J032727-132623 and lensed background galaxies

4 Comments
2024/10/06
11:42 UTC

298

IC 4687

6 Comments
2024/09/29
03:18 UTC

217

Arp 107

2 Comments
2024/09/27
17:54 UTC

271

MIRI image of the Iris Nebula (NGC 7023)

5 Comments
2024/09/27
06:32 UTC

2

I'm making a research/review paper on the JWST MIRI's astrophotography performance depending on its operating temperature, but I can't seem to pinpoint MIRI images before the instrument was cooled down to ~7K.

Title is self-explanatory. I've looked around a lot and found peculiar, intricately detailed information and research, but I can't seem to find images comparing MIRI's astrophotography performance before and after the cryocooler's utilization (or in different temperature ranges in general.)

Though I don't figure it's probable to find exactly what I'm looking for, I'd appreciate any assistance in pointing me towards the right direction.

PS: I'd also like to commend the incredible efforts of all the members and moderators of this page. A quick look around and the wonderfully displayed information and research really shine out.

6 Comments
2024/09/27
00:03 UTC

192

MEOW survey looks at TYC 3980-1081-1: a nearby red dwarf-white dwarf binary discovered with ESA Gaia

6 Comments
2024/09/22
15:31 UTC

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