SIMBAD references

2002ApJ...576L.169B - Astrophys. J., 576, L169-L172 (2002/September-2)

Laboratory measurements of the relative intensity of the 3s⟶2p and 3d⟶2p transitions in Fe XVII.

BEIERSDORFER P., BEHAR E., BOYCE K.R., BROWN G.V., CHEN H., GENDREAU K.C., GU M.-F., GYGAX J., KAHN S.M., KELLEY R.L., PORTER F.S., STAHLE C.K. and SZYMKOWIAK A.E.

Abstract (from CDS):

The intensity ratios of the 3s⟶2p and 3d⟶2p lines in Fe XVII were measured on the Livermore electron beam ion trap employing a complementary set of spectrometers, including a high-resolution crystal spectrometer and the Goddard 32 pixel calorimeter. The resulting laboratory data are in agreement with satellite measurements of the Sun and astrophysical sources in collisional equilibrium such as Capella, Procyon, and NGC 4636. The results disagree with earlier laboratory measurements and assertions that processes not accounted for in laboratory measurements must play a role in the formation of the Fe XVII spectra in solar and astrophysical plasmas.

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Journal keyword(s): Atomic Data - Stars: Coronae - Stars: Individual: Name: Capella - Stars: Individual: Name: Procyon - Sun: X-Rays, Gamma Rays - X-Rays: General

Simbad objects: 4

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