2007A&A...475..393A


Query : 2007A&A...475..393A

2007A&A...475..393A - Astronomy and Astrophysics, volume 475, 393-399 (2007/11-3)

Energy levels, radiative rates and excitation rates for transitions in Ni XI.

AGGARWAL K.M. and KEENAN F.P.

Abstract (from CDS):

In this paper we report calculations for energy levels, radiative rates and excitation rates for transitions in Ni XI. The grasp (General-purpose Relativistic Atomic Structure Package) and fac (Flexible Atomic Code) have been adopted for calculating energy levels and radiative rates, and the Dirac Atomic R-matrix Code (darc) has been used to determine the excitation rates. Oscillator strengths, radiative rates and line strengths are reported for all E1, E2, M1 and M2 transitions among the lowest 250 levels of Ni XI. Additionally, lifetimes are also reported for all levels. However, results for excitation rates are presented only for transitions among the lowest 17 levels.

Abstract Copyright:

Journal keyword(s): atomic data, atomic processes

VizieR on-line data: <Available at CDS (J/A+A/475/393): table1.dat table3.dat table4.dat table7.dat tables.tex>

Simbad objects: 2

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Number of rows : 2
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023
#notes
1 * alf CMi SB* 07 39 18.11950 +05 13 29.9552 0.82 0.79 0.37 -0.05 -0.28 F5IV-V+DQZ 1846 0
2 * alf Cen ** 14 39 29.71993 -60 49 55.9990   0.4 -0.1     G2V+K1V 930 0

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2023.06.04-09:05:10

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