|
Size: 1598
Comment:
|
Size: 2555
Comment:
|
| Deletions are marked like this. | Additions are marked like this. |
| Line 1: | Line 1: |
| #format jsmath | |
| Line 22: | Line 23: |
| ==== What can JWST resolve? ==== A [[ https://en.wikipedia.org/wiki/Jansky | Jansky ]] is 1e-26 W / m^2^-Hz. The Hz bandwidth can be estimated from the wavelength and wavelength window: Hz = c Δλ / λ^2^ . Two pixels needed for Nyquist deconvolution of point spread function. 0.11 arcsecond (as) pixels means 0.22 as minimum for estimating size (more is better) A 100 AU round shell is 0.22 as across at 450 pc. The galactic disk is 300 pc thick, G stars ------ == SOFIA airborne observatory, DLR/NASA == https://www.sofia.usra.edu/Science/ObserversHandbook/FORCAST.html [[ attachment:FORCAST_Sensitivity_v3.jpg | {{ attachment:FORCAST_Sensitivity_v3.jpg | height=200 }} ]] ==== What SOFIA can resolve? ==== ------ == Spitzer Infrared Satellite, NASA == ==== What can Spitzer resolve? ==== ------ == Herschel Infrared Satellite, ESA == ==== What can Herschel resolve? ==== ------ |
James Webb Space Telescope
http://ircamera.as.arizona.edu/MIRI/performance.htm
Frontier Science with the James Webb Space Telescope - great slides!
search http://www.stsci.edu for point spread function:
Point spread function modeling software paper
Hubble Exposure Time Calculators
GSMT AND JWST: Looking Back to the Future of the Universe
A GIANT SEGMENTED MIRROR TELESCOPE: SYNERGY WITH JWST
What can JWST resolve?
A Jansky is 1e-26 W / m2-Hz. The Hz bandwidth can be estimated from the wavelength and wavelength window: Hz = c Δλ / λ2 .
Two pixels needed for Nyquist deconvolution of point spread function. 0.11 arcsecond (as) pixels means 0.22 as minimum for estimating size (more is better) A 100 AU round shell is 0.22 as across at 450 pc. The galactic disk is 300 pc thick, G stars
SOFIA airborne observatory, DLR/NASA
https://www.sofia.usra.edu/Science/ObserversHandbook/FORCAST.html
What SOFIA can resolve?
Spitzer Infrared Satellite, NASA
What can Spitzer resolve?
Herschel Infrared Satellite, ESA
What can Herschel resolve?
balloon
PIROG 4 (Pointing InfraRed Observing Gondola)
THE BALLOON-BORNE LARGE APERTURE SUBMILLIMETER TELESCOPE: BLAST