NASA's James Webb Space Telescope

JWST Community Lecture Series

Community Lecture

JWST is expected to revolutionize our understanding of many areas of modern astrophysics.  The goals of the JWST Webinar series are to:

  • provide an introduction to the capabilities of the JWST science instruments
  • discuss STScI activities to prepare, plan, and broadly enable JWST science
  • address additional topics suggested by the community

Remote participation will be supported via Live Streaming and WebEx. Remote connection information, video recordings of the presentations, and the presenters' slides can be found by clicking on the entry for an individual talk. Video recordings and presentations are archived under the "Presentation Webcast and Slides" link in "Event Assets". 

To receive webinar email announcements and reminders, send a blank email to jwst_webinars-subscribe-request@maillist.stsci.edu.

 

15
Jun 2017
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Solar System Community Webinar: JWST Exposure Time Calculator (J. Stansberry and B. Holler)

Community Lecture • June 15, 2017 12:00 PM EDT - June 15, 2017  02:00 PM EDT • Baltimore STScI Muller S322

The JWST exposure time calculator is a web-based tool for estimating the signal-to-noise ratio that can be obtained on a target using any of the JWST science instruments and their observing modes. Use of the ETC for solar system targets will be reviewed, including strategies for dealing with targets that move and include both reflected and emitted light components to their spectra. The webinar will...

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6
Jun 2017
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JWST Community Lecture Series - Time Series Observations (J. Fraine)

Community Lecture • June 6, 2017 11:00 AM EDT - June 6, 2017  12:00 PM EDT • Baltimore STScI Muller CafeCon

Abstract:   The upcoming James Webb Space Telescope — scheduled to be launched in October of 2018 — is an exciting new frontier for astronomical observations that is full of new possibilities. The field of time series observations (TSO) in particular is expected to have a wealth of instrumental options, with a range of spectral coverage and resolution.  The primary usage of these modes will be transiting...

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23
May 2017
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JWST Community Lecture Series - The Community-Developed Software Model for Astropy and JWST (E. Tollerud)

Community Lecture • May 23, 2017 11:00 AM EDT - May 23, 2017  12:00 PM EDT • Baltimore STScI Muller Auditorium

Abstract: I will describe the community-oriented open approach to developing software that has been growing in popularity in recent years, particularly for tools in the Python programming language. As a case study I will focus on the Astropy Project, the main library for Python in astronomy.  I will describe Astropy's unusual origins, as well as key features of how and why this community-developed...

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9
May 2017
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JWST Community Lecture Series - The Proposal Planning Process for NIRSpec Observations That Use the Micro-Shutter Assembly (MSA) (T. Beck)

Community Lecture • May 9, 2017 11:00 AM EDT - May 9, 2017  12:00 PM EDT • Baltimore STScI Muller Auditorium

Abstract: The Near-Infrared Spectrograph (NIRSpec) is the work-horse spectrograph at 0.6-5μm for the James Webb Space Telescope (JWST). A showcase observing mode of NIRSpec is the Multi- Object Spectroscopy (MOS) mode using configurable shutters in the Micro-Shutter Assembly (MSA). Observations for science or target acquisition that use the MSA are planned and must execute at a specific fixed orient,...

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25
Apr 2017
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JWST Community Lecture Series - The JWST Calibration Pipeline (H. Bushouse)

Community Lecture • April 25, 2017 11:00 AM EDT - April 25, 2017  12:00 PM EDT • Baltimore STScI Muller N420

Abstract:  The JWST calibration pipeline is a modular, flexible collection of processing steps and pipelines that are used to remove detector artifacts, calibrate, and reduce data from all JWST instruments and provide products that are ready for scientific analysis. Unlike the HST calibration pipelines, which were very instrument-specific and mostly monolithic in nature, the JWST calibration pipelines...

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11
Apr 2017
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JWST Community Lecture Series - Wide-Field Slitless Spectroscopy with the James Webb Space Telescope (G. Brammer)

Community Lecture • April 11, 2017 11:00 AM EDT - April 11, 2017  12:00 PM EDT • Baltimore STScI Muller Auditorium

Abstract: I will review the wide-field slitless spectroscopic (WFSS) capabilities of the JWST instruments NIRISS and NIRCam.  Using a grism element and no slits, JWST WFSS will probe parameter space intermediate between standard imaging and IFU and multi-object spectroscopy observing modes, providing uniform spectra of large, unbiased samples of stars and galaxies that can be used to measure spectral...

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28
Mar 2017
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JWST Community Lecture Series - NIRISS Aperture Masking Interferometry Overview (A. Sivaramakrishnan)

Community Lecture • March 28, 2017 11:00 AM EDT - March 28, 2017  12:00 PM EDT • Baltimore STScI Muller Auditorium

Abstract: I will highlight the strengths of JWST NIRISS’ Aperture Masking Interferometry (AMI) mode, and present a few science cases to demonstrate its use.  AMI imaging enables moderate contrast 3-5 micron imaging, at 70-400 mas separations, where JWST’s coronagraphs at comparable wavelengths are blind.  The AMI mode also opens up bright object imaging, bringing GPI and SPHERE extreme AO targets within...

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28
Feb 2017
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JWST Community Lecture Series - Planning MOS Spectroscopy with the NIRSpec Micro-Shutter Array (MSA) (D. Karakla)

Community Lecture • February 28, 2017 11:00 AM EST - February 28, 2017  12:00 PM EST • Baltimore STScI Muller N420

Abstract: I will present an overview of the process for planning multi-object spectroscopy using the NIRSpec MSA, and will demonstrate the software tool to help plan MOS observations using a typical science case. The MSA Planning Tool (MPT) is currently available in APT (apt.stsci.edu).  I will illustrate how parameters used by MPT can be tailored to specific science cases. The case I will highlight...

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21
Feb 2017
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JWST Community Lecture Series - JWST Exposure Time Calculator Tool Demonstration (S. Ravindranath)

Community Lecture • February 21, 2017 11:00 AM EST - February 21, 2017  12:00 PM EST • Baltimore STScI Muller N420

Abstract: The JWST Exposure Time Calculator is an advanced pixel-based ETC which enables the user to model various aspects of the data acquisition and post-processing, and is paired with an interactive graphical user interface that facilitates exploration of parameter space. The JWST ETC supports all the JWST instrument observing modes: imaging, spectroscopy (slitted, slitless, and IFU), coronagraphy,...

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14
Feb 2017
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JWST Community Lecture Series - Observing Solar System Targets with JWST (J. Stansberry)

Community Lecture • February 14, 2017 11:00 AM EST - February 14, 2017  12:00 PM EST • Baltimore STScI Muller CafeCon

Abstract: I will summarize how observers can plan JWST observations of moving targets (objects within the solar system). I'll address limitations on observing geometry, apparent rate of motion, and epoch, as well as brightness limits and sensitivity for the four science instruments in the context of solar system bodies. Initial modeling of the effects of scattered light, relevant for observations of...

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7
Feb 2017
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Solar System Community Webinar: JWST Early Release Science Program

Community Lecture • February 7, 2017 11:00 AM EST - February 7, 2017  01:00 PM EST • Webex

JWST Early Release Science Program: Pre-proposal Webinar Pre-proposal Webinar: Feb. 7, 11a - 1p Eastern Time (US) Notice of Intent Deadline: Mar 3, 2017 (Mandatory) Call for Proposals Finalized: May 2017 Proposal Deadline: Aug 18, 2017 The Space Telescope Science Institute (STScI) is pleased to announce the Call for Proposals for the James Webb Space Telescope (JWST) Director’s Discretionary Early...

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31
Jan 2017
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JWST Community Lecture Series - The JWST Target Visibility Tools and the JWST Flavor of the Astronomer's Proposal Tool (W. Blair)

Community Lecture • January 31, 2017 11:00 AM EST - January 31, 2017  12:00 PM EST • Baltimore STScI Muller Auditorium

Abstract: Proposers with HST experience are no doubt familiar with the Astronomer's Proposal Tool (APT),  which is really a GUI-interface into a suite of tools used to propose for and ultimately schedule observations on the telescope.  Despite the numerous differences between the HST and JWST missions, it has been possible to adapt and/or re-purpose many aspects of APT to handle both HST and JWST proposals. ...

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17
Jan 2017
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JWST Community Lecture Series - Pandeia: The JWST Exposure Time Calculator (K. Pontoppidan)

Community Lecture • January 17, 2017 11:00 AM EST - January 17, 2017  12:00 PM EST • Baltimore STScI Muller Boardroom

Abstract: STScI just released the flight version of the Exposure Time Calculator for the James Webb Space Telescope. The ETC is based on a code called Pandeia. It includes a Python engine, which models astronomical scenes in three dimensions and simulates two-dimensional pixel-by-pixel signal and noise properties of the JWST instruments. This allows for appropriate handling of realistic point spread...

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13
Dec 2016
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JWST Community Lecture Series - The NIRSpec MSA: Multi-object Spectroscopy with JWST (J. Muzerolle)

Community Lecture • December 13, 2016 03:00 PM EST - December 13, 2016  04:00 PM EST • Baltimore STScI Rotunda 2W

Multi-object spectroscopy (MOS) is a crucial capability for measuring the properties of statistically significant samples of stellar or galaxy populations.  Such a capability has become more common on ground-based facilities via fiber-fed or slit mask spectrographs.  For the first time, the multiplexing advantage of MOS will be combined with the superior sensitivity of a space-based mission thanks...

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29
Nov 2016
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JWST Community Lecture Series - JWST Astrometric Calibration (J. Anderson)

Community Lecture • November 29, 2016 03:00 PM EST - November 29, 2016  04:00 PM EST • Baltimore STScI Muller Bahcall Auditorium

Abstract: It took longer than people expected to get good distortion solutions for Hubble, but JWST will need a high-precision solution from day 1.  For this reason, in 2006, we constructed an astrometric standard field in the LMC (in the CVZ) in order to enable an immediate solution during commissioning and to allow a long-term monitoring program.  I have written a Technical Report that describes...

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15
Nov 2016
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JWST Community Lecture Series - JWST Absolute Flux Calibration Program (K. Gordon)

Community Lecture • November 15, 2016 03:00 PM EST - November 15, 2016  04:00 PM EST • Webex Only

Abstract: The JWST absolute flux calibration program is based on observing a set of stars to provide a unified, robust flux calibration across all JWST instruments.  The set of calibration stars has been chosen to include the three categories: hot stars, A-type stars, and G-type stars.  All three categories have pedigree in past flux calibration programs as their flux density distributions can be predicted...

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1
Nov 2016
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JWST Community Lecture Series - IFU Spectroscopy with the James Webb Space Telescope (D. Law)

Community Lecture • November 1, 2016 11:00 AM EDT - November 1, 2016  12:00 PM EDT • Baltimore STScI Muller Boardroom

Abstract: Integral-field unit (IFU) spectrographs are becoming common tools for major astronomical facilities, and have begun to open new scientific regimes to study through spatially resolved spectroscopy.  JWST will include two such instruments (as part of MIRI and NIRSpec) that will jointly cover the entire wavelength range from 0.6 - 28 microns at moderate spectral resolution.  I will review the...

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18
Oct 2016
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JWST Community Lecture Series - Preparing a JWST Coronagraph Proposal (L. Pueyo)

Community Lecture • October 18, 2016 03:00 PM EDT - October 18, 2016  04:00 PM EDT • Baltimore STScI Muller Bahcall Auditorium

JWST has a suite of coronagraphs designed to provide high contrast observations of astrophysical objects from 2 to 23 microns at unprecedented sensitivities. To plan observations, users will have decide how to read out the detector, how long exposures should last, and what is the optimal calibration plan to enhance contrast with post-processing. In this talk we will discuss the general science trades...

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4
Oct 2016
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JWST Community Lecture Series - Imaging with the James Webb Space Telescope (C. Chen)

Community Lecture • October 4, 2016 11:00 AM EDT - October 4, 2016  12:00 PM EDT • Baltimore STScI Muller Bahcall Auditorium

Abstract: JWST has a suite of instruments designed to provide high angular resolution images of the infrared sky at unprecedented sensitivities. To plan observations, users must specify the how the telescope is dithered, how the detector is read out, how long exposures should last, and the size of the subarrays to be used. We will describe the dither patterns, readout patterns, sensitivities, saturation...

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14
Sep 2016
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JWST Community Lecture Series - Director's Discretionary Early Release Science Program (J. Lee)

Community Lecture • September 14, 2016 03:00 PM EDT - September 14, 2016  04:00 PM EDT • Webex Only

Abstract: The launch of JWST is scheduled for October 2018, and proposal deadlines for the first cycle of observations are quickly approaching in the next 18 months.  This talk provides an overview of the JWST science timeline, with special focus on the Director's Discretionary Early Release Science program (DD-ERS).  The overall goals of the DD-ERS program are to accelerate the diffusion of JWST know-how,...

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21
Jun 2016
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JWST Community Lecture Series - The Mid-Infrared Instrument (MIRI) for JWST (G. Rieke)

Community Lecture • June 21, 2016 03:00 PM EDT - June 21, 2016  04:00 PM EDT • Pasadena CA

Abstract: Mid-infrared astronomy from the ground is severely limited by huge thermal backgrounds. Sensitive measurements have depended on space missions, which have been limited in aperture and hence in angular resolution. For the first time, MIRI with JWST provides:  1.) fantastic sensitivity; 2.) high angular resolution; 3.) no atmospheric interference; 4.) high stability operation in space; and...

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17
May 2016
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JWST Community Lecture Series - JWST Data Analysis Tools (S. Kassin)

Community Lecture • May 17, 2016 03:00 PM EDT - May 17, 2016  04:00 PM EDT • Pasadena CA

Abstract: The JWST Data Analysis tools development effort centers on making it convenient for JWST users to inspect, manipulate, and model their data. Basic capabilities familiar to users of IRAF, STSDAS and IDL will be available (many already are) in the python/astropy software ecosystem. The tools are being built to understand JWST data structures, including uncertainties, detector geometries, data...

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19
Apr 2016
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JWST Community Lecture Series - NIRISS Overview (R. Doyon)

Community Lecture • April 19, 2016 03:00 PM EDT - April 19, 2016  04:00 PM EDT • Pasadena CA

Abstract: The Near-Infrared Imager and Slitless Spectrograph (NIRISS) is one of the four JWST science instruments integrated together with the Fine Guidance Sensor (FGS). Both FGS and NIRISS are provided by the Canadian Space Agency. NIRISS is a near-infrared (0.8-5 um) camera featuring four observing modes: imaging, single-object and wide-field slitless spectroscopy and aperture masking interferometry....

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15
Mar 2016
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JWST Community Lecture Series - NIRSpec Overview (P. Ferruit)

Community Lecture • March 15, 2016 03:00 PM EDT - March 15, 2016  04:00 PM EDT • Pasadena CA

Abstract: The Near-Infrared Spectrograph (NIRSpec) is one of the four instruments on the James Webb Space Telescope (JWST), scheduled for launch in 2018. NIRSpec has been designed and built by the European Space Agency (ESA) with Airbus Defence and Space Germany as prime contractor and contributions from NASA. The instrument covers the wavelength range from 0.6 to 5.3 micron and features a multi-object...

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16
Feb 2016
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JWST Community Lecture Series - NIRCam: Your Next Near-Infrared Camera (M. Rieke)

Community Lecture • February 16, 2016 03:00 PM EST - February 16, 2016  04:00 PM EST • Pasadena CA

Abstract: NIRCam is a very flexible imager that includes features that will enable transit spectroscopy as well as converting NIRCam into the facility wavefront sensor.  The capabilities of NIRCam will be presented in the context of examples drawn from the NIRCam team's guaranteed time observing program.  This program ranges from deep surveys searching for the first galaxies to studies of KBOs in the...

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19
Jan 2016
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JWST Community Lecture Series - Preparing for JWST: An Overview (J. Kalirai)

Community Lecture • January 19, 2016 • Pasadena Caltech Hameetman Auditorium

Abstract: The James Webb Space Telescope (JWST) will be the most powerful space telescope that we've ever constructed, and it is a critical step towards answering the top science questions outlined in the Astronomy & Astrophysics 2010 and 2020 Decadal Surveys.  2016 marks the <2 year countdown before the JWST Cycle 1 Call for Proposals; the conversation is now changing from development progress to...

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