The James Webb Space Telescope Feed

Strategy for Dynamic Wisp Removal in James Webb Space Telescope NIRCam Images Published: 5/2/2023 6:20:31 AM Updated: 5/2/2023 6:20:31 AM

Primordial power spectrum in light of JWST observations of high redshift galaxies Published: 5/1/2023 9:00:02 PM Updated: 5/1/2023 9:00:02 PM

Target Name: K5-2MASS-16235565+2823024 Title: Coronagraphic PSF Characterization & TA Verification Instrument: NIRCAM/TARGACQ Filters: F210M;MASKRND Start Time: 5/2/2023 6:35:52 PM Obs Time: 96.631(s) Proposal ID: 1482

Target Name: K5-2MASS-16235565+2823024 Title: Coronagraphic PSF Characterization & TA Verification Instrument: NIRCAM/IMAGE Filters: F210M;MASKRND Start Time: 5/2/2023 6:40:32 PM Obs Time: 96.631(s) Proposal ID: 1482

Target Name: K5-2MASS-16235565+2823024 Title: Coronagraphic PSF Characterization & TA Verification Instrument: NIRCAM/IMAGE Filters: F210M;MASKRND Start Time: 5/2/2023 6:35:53 PM Obs Time: 96.631(s) Proposal ID: 1482

Target Name: K5-2MASS-16235565+2823024 Title: Coronagraphic PSF Characterization & TA Verification Instrument: NIRCAM/IMAGE Filters: F210M;MASKRND Start Time: 5/2/2023 6:35:53 PM Obs Time: 96.631(s) Proposal ID: 1482

Target Name: K5-2MASS-16235565+2823024 Title: Coronagraphic PSF Characterization & TA Verification Instrument: NIRCAM/CORON Filters: F210M;MASKRND Start Time: 5/2/2023 6:40:31 PM Obs Time: 96.631(s) Proposal ID: 1482

Target Name: K5-2MASS-16235565+2823024 Title: Coronagraphic PSF Characterization & TA Verification Instrument: NIRCAM/CORON Filters: F335M;MASKRND Start Time: 5/2/2023 7:24:56 PM Obs Time: 107.368(s) Proposal ID: 1482

Target Name: K5-2MASS-16235565+2823024 Title: Coronagraphic PSF Characterization & TA Verification Instrument: NIRCAM/TARGACQ Filters: F335M;MASKRND Start Time: 5/2/2023 7:20:06 PM Obs Time: 107.368(s) Proposal ID: 1482

Target Name: UNKNOWN Title: PASSAGE--Parallel Application of Slitless Spectroscopy to Analyze Galaxy Evolution Instrument: NIRISS/IMAGE Filters: CLEAR;F150W Start Time: 5/2/2023 2:44:29 AM Obs Time: 483.155(s) Proposal ID: 1571

Target Name: 2MASS-12114924+5856270 Title: JWST Routine Wavefront Sensing and Control for Cycle 1 - Part 4 Instrument: NIRCAM/IMAGE Filters: F356W Start Time: 5/2/2023 4:10:50 PM Obs Time: 96.631(s) Proposal ID: 4431

Target Name: 2MASS-12114924+5856270 Title: JWST Routine Wavefront Sensing and Control for Cycle 1 - Part 4 Instrument: NIRCAM/IMAGE Filters: F356W Start Time: 5/2/2023 4:03:30 PM Obs Time: 96.631(s) Proposal ID: 4431

UNCOVER SPECTROSCOPY COMMUNITY INPUT WANTED!

James Webb Space Telescope detects water vapor around alien planet. But where did it come from?

Water Vapour Spotted By JWST – But From An Earth-Sized Planet Or Its Star?

Target Name: UNKNOWN Title: PASSAGE--Parallel Application of Slitless Spectroscopy to Analyze Galaxy Evolution Instrument: NIRISS/IMAGE Filters: CLEAR;F150W Start Time: 5/2/2023 10:00:10 AM Obs Time: 483.155(s) Proposal ID: 1571

Saturn's rings are disappearing. The James Webb Space Telescope may reveal how much time they have left.

NASASpaceNews | For the 1st Time!! Rocky exoplanet GJ 486 b may have an atmosphere, JWST observations reveal

Schedule: May 1 - May 8, 2023

CEERS2_588 at zspec = 11.04, Maisie's Galaxy (CR2-z12-1) at zspec = 11.40

High Tide or Riptide on the Cosmic Shoreline? A Water-Rich Atmosphere or Stellar Contamination for the Warm Super-Earth GJ~486b from JWST Observations Published: 5/1/2023 6:10:34 PM Updated: 5/1/2023 6:10:34 PM

Pure Spectroscopic Constraints on UV Luminosity Functions and Cosmic Star Formation History From 25 Galaxies at z_\mathrm{spec}=8.61-13.20 Confirmed with JWST/NIRSpec Published: 4/13/2023 7:45:41 PM Updated: 4/30/2023 4:51:55 PM

Target Name: UNKNOWN Title: PASSAGE--Parallel Application of Slitless Spectroscopy to Analyze Galaxy Evolution Instrument: NIRISS/IMAGE Filters: CLEAR;F150W Start Time: 5/1/2023 7:32:20 PM Obs Time: 483.155(s) Proposal ID: 1571

Target Name: UNKNOWN Title: PASSAGE--Parallel Application of Slitless Spectroscopy to Analyze Galaxy Evolution Instrument: NIRISS/IMAGE Filters: CLEAR;F150W Start Time: 5/1/2023 7:32:20 PM Obs Time: 483.155(s) Proposal ID: 1571

Webb Finds Water Vapor, But From a Rocky Planet or Its Star?

ARTIST ILLUSTRATION: Webb Finds Water Vapor, But From a Rocky Planet or Its Star?

JWST's MIRI instrument is having problems again

Webb finds water vapor, but is it from a rocky planet or its star?

NASASpaceNews | Scientists Reveal How JWST Can See the Invisible Universe

Webb finds water vapor, but from a rocky planet or its star?

Webb Finds Water Vapor, But From a Rocky Planet or Its Star?

Exoplanet GJ 486 b (Transmission Spectrum)

Exoplanet GJ 486 b (Artist Concept)

JWST's early, massive galaxies agree with Lambda-CDM cosmology

Go Webb! (Unofficial) | Region within COSMOS-Web: NIRISS

Go Webb! (Unofficial) | Region near MACS1149-JD1: NIRISS

Go Webb! (Unofficial) | SNH0pe-2b: Hubble vs NIRCAM

The galaxy UV luminosity function at z~11 from a suite of public JWST ERS, ERO and Cycle-1 programs

The galaxy UV luminosity function at z~11 from a suite of public JWST ERS, ERO and Cycle-1 programs Published: 4/27/2023 10:12:17 PM Updated: 4/27/2023 10:12:17 PM

VizieR Online Data Catalog: Ionizing photons in UV-faint z~3-7 galaxies (Prieto-Lyon+, 2023)

Multiple stellar populations in globular clusters with JWST: an NIRCam view of 47 Tucanae

JET: JWST Exoplanet Targeting

A physically derived eddy parameterization for giant planet atmospheres with application on hot-Jupiter atmospheres

Star formation rate and stellar mass calibrations based on infrared photometry and their dependence on stellar population age and extinction

Target Name: UNKNOWN Title: NIRCam Subarray Dark Current and Read-Noise Monitor Instrument: NIRCAM/IMAGE Filters: N/A Start Time: 4/30/2023 12:43:25 AM Obs Time: 1079.935(s) Proposal ID: 1483

Target Name: 2MASS-12114924+5856270 Title: JWST Routine Wavefront Sensing and Control for Cycle 1 - Part 4 Instrument: NIRCAM/IMAGE Filters: F356W Start Time: 4/29/2023 11:02:01 PM Obs Time: 96.631(s) Proposal ID: 4431

NASASpaceNews | For the First Time: James Webb Telescope Spots Birthplaces of Exoplanets

Target Name: UNKNOWN Title: PASSAGE--Parallel Application of Slitless Spectroscopy to Analyze Galaxy Evolution Instrument: NIRISS/IMAGE Filters: CLEAR;F200W Start Time: 4/28/2023 6:52:35 AM Obs Time: 2866.718(s) Proposal ID: 1571

Target Name: UNKNOWN Title: PASSAGE--Parallel Application of Slitless Spectroscopy to Analyze Galaxy Evolution Instrument: NIRISS/IMAGE Filters: CLEAR;F200W Start Time: 4/28/2023 6:03:03 AM Obs Time: 2866.718(s) Proposal ID: 1571

Target Name: UNKNOWN Title: PASSAGE--Parallel Application of Slitless Spectroscopy to Analyze Galaxy Evolution Instrument: NIRISS/IMAGE Filters: CLEAR;F200W Start Time: 4/28/2023 4:24:10 AM Obs Time: 2866.718(s) Proposal ID: 1571

Target Name: UNKNOWN Title: PASSAGE--Parallel Application of Slitless Spectroscopy to Analyze Galaxy Evolution Instrument: NIRISS/IMAGE Filters: CLEAR;F200W Start Time: 4/28/2023 5:13:42 AM Obs Time: 2866.718(s) Proposal ID: 1571

PRIMER | The power of fully-sampled NIRCam imaging. Left: simulated NIRCam image of a clumpy z = 2 galaxy in the F277W filter with the native NIRCam-LW pixel scale (0.063 arcsec). Right: NIRCam image of the same galaxy in the same filter but this time with sub-pixel sampling, and image reconstruction with 50% smaller pixels. Not only are the structural details much clearer, but several compact clumps are simply not detected in the left-hand undersampled image: properly sampled imaging enhances the detection of faint compact objects (such as extreme redshift galaxies), as well as improving the precision of morphological studies

PRIMER | The transformational power of JWST imaging longward of ~ 2.5 micron Left: a 44 x 34 arcsec region of the deepest available Spitzer IRAC 3.6 micron imaging. Right: a prediction of how the same region will appear with the PRIMER NIRCam F356W imaging using the empirically based EGG simulations (Schreiber et al. 2017). These simulations predict that PRIMER will reveal ~ 120,000 galaxies, ~ 70% of which are new (i.e. undetected by HST or Spitzer)

Thumbnails of multiple imaged sources behind SMACS J0723

Thumbnails of multiple imaged sources behind SMACS J0723