SUMER study #2116: Coronal hole scan around 1032 Å

Remarks: The scan was performed in east-west direction. Therefore, considering the Solar rotation, it covers less space (126 arcsec) than the nominal pointing indicates.

Spectral window

Field of view (EIT image of 19:19 UT)



line = *, continuum = +

O VI 1031.9 (288 000 K)


continuum and line intensity, line shift and width



line = *, continuum = +

C II 1036.3 (23 000 K)


continuum and line intensity, line shift and width



line = *, continuum = +

H I Ly b 1025.7 (10 000 K)


continuum and line intensity, line shift and width


IED, 08.Nov.99