2016MNRAS.455.2969G

Query : 2016MNRAS.455.2969G

2016MNRAS.455.2969G - Mon. Not. R. Astron. Soc., 455, 2969-2979 (2016/January-3)

Stark shift of neutral helium lines in low temperature dense plasma and the influence of Debye shielding.

GAJO T., IVKOVIC M., KONJEVIC N., SAVIC I., DJUROVIC S., MIJATOVIC Z. and KOBILAROV R.

Abstract (from CDS):

In this work, we present the results of an experimental study of the Stark shifts of atomic helium lines at 706.519, 728.135, 471.315, 501.568, 667.815 and 447.148nm in the electron density range (0.6-7)x 1023/m3. Stark shift is always presented together with the corresponding electron density and electron temperature. Best-fitting formulas of experimental data enable plasma electron density diagnostics with an accuracy of (15-20 per cent) in the temperature range (10 000-30 000)K. The influence of Debye shielding on the Stark shifts is carefully examined and the experimental results are compared with other experimental and theoretical data.

Abstract Copyright: © 2015 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2015)

Journal keyword(s): atomic data - line: profiles - plasmas - instrumentation: spectrographs - techni-ques: spectroscopic

Simbad objects: 4

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Number of rows : 4
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 V* CI Cam HXB 04 19 42.1355996520 +55 59 57.706599192 12.13 12.41 11.77 10.79 9.99 B0/2I[e] 271 0
2 Mrk 110 Sy1 09 25 12.8479065576 +52 17 10.386311208   16.82 16.41     ~ 681 1
3 ESO 338-4 EmG 19 27 58.338 -41 34 30.81   13.55 13.21 13.14 13.43 ~ 253 1
4 * P Cyg s*b 20 17 47.2019733389 +38 01 58.549132671 4.66 5.24 4.82 4.28 4.02 B1-2Ia-0ep 1200 1

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