Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21942301s&link_type=abstract
American Astronomical Society, AAS Meeting #219, #423.01
Astronomy and Astrophysics
Astrophysics
Scientific paper
Charge Exchange (CX) X-ray emission from geocoronal and heliospheric sources is no longer in doubt, and there are hints of its prevalence elsewhere in the Universe. However, there does not exist a general model of what an astrophysical CX spectrum might like look, even in an approximate way. We present an enhanced version of the basic method described by Wegmann et al. (1998), which uses a hydrogenic model for the CX cross section into the highly-excited state. The atomic structure and radiative transitions data available in the AtomDB is used to determine the spectrum emitted as the ion stabilizes by radiative decay. One uncertainty in the process is the angular momentum of the exchanged electron. This will be addressed by providing three options for the model: (1) distributing the electrons by the relative statistical weight of each level, (2) assuming the angular momentum of the electron is zero, or (3) assuming the angular momentum of the electron is the largest possible value for the ion. Sample X-ray spectra will be shown for typical situations.
Brickhouse Nancy
Foster Adam
Smith Randall K.
No associations
LandOfFree
Charge Exchange Models with AtomDB v2.0 does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Charge Exchange Models with AtomDB v2.0, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Charge Exchange Models with AtomDB v2.0 will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1583076