SUMER study #2151: Raster scan at coronal hole

Remarks: The scan was performed in west-east direction, therefore the effective field of view becomes approx. 191 arcsec. - The scan was started once before (28.Oct.99, 23:23 UT), but interrupted in the middle.

Complete spectral window

SUMER field of view in EIT image (28.Oct.99, 19:33)

SUMER field of view in EIT image (28.Oct.99, 23:24)



line = *, continuum = +

Ne VIII 707.4 (630 000 K)


continuum and line intensity, line shift and width



line = *, continuum = +

O V 760.4 (230 000 K)


continuum and line intensity, line shift and width



line = *, continuum = +

N IV 765.1 (140 000 K)


continuum and line intensity, line shift and width



line = *, continuum = +

Si II 1526.7 (14 000 K) [+ N III 763.3 (77 000 K)]


continuum and line intensity, line shift and width



line = *, continuum = +

Si II 1533.4 (14 000 K)


continuum and line intensity, line shift and width


IED, 04.Aug.00