SUMER study #215: Prominence in Lyman continuum
- date, time: 01.May.96, 23:51 UT - 02.May.96, 00:55 UT
- field of view: 908 - 981 arcsec W, 310 arcsec S - 190 arcsec S
- slit: 1.0 arcsec x 120 arcsec, centered (number 4)
- raster step size: 2.26 arcsec (6 elementary steps)
- exposure time: 7.5 seconds
- telemetry: 15(scans)*3(windows)*33 images of 25 spectral x 120 spatial
pixels (format 14)
- compression: quasilog-min-max (method 5)
- wavelengths:
912.00 Å on reference pixel 201 of Detector A
899.00 Å on reference pixel 491 of Detector A
881.00 Å on reference pixel 892 of Detector A
- rotation compensation: standard
- binning: no spectral, no spatial
- on-board flat field correction: no
Remarks: 15 scans were executed in alternating directions. The whole
study (in 912.00 Å) can be downloaded as an animation (see below).
Spectral windows
Average detector image, average profile.
Cont. @ 912.0 (10 000 K)
Animation of scans
When the scans are viewed consecutively, the dynamic of the chromosphere
becomes visible. Please note that each scan takes approximately 4 minutes,
so the whole animation covers 1 hour.
The animation shows the scans enlarged, smoothed, and corrected for the effect
of scanning in alternate directions. Download the IDL/XDR restore file
PR02MAY96_XDR.RST
(520 KB) and the small IDL routine
PR02MAY96_MOVIE.PRO
and then start the animation (10 repetitions) by entering
IDL> .run pr02may96
IED, 30.Sep.99