2002A&A...385..724Z

Query : 2002A&A...385..724Z

2002A&A...385..724Z - Astronomy and Astrophysics, volume 385, 724-732 (2002/4-2)

Measurement of lifetimes by laser-induced fluorescence and determination of transition probabilities of astrophysical interest in Nd III.

ZHANG Z.G., SVANBERG S., PALMERI P., QUINET P. and BIEMONT E.

Abstract (from CDS):

Selective lifetime measurements by time-resolved laser-induced fluorescence spectroscopy for 5 levels belonging to the 4f³5d configuration of doubly ionized neodymium provide a first and useful experimental test of the relativistic Hartree-Fock calculations in this ion of astrophysical interest. As a consequence, the accuracy of the transition probabilities deduced in the present work is well assessed. These new data are expected to help astrophysicists in the future to refine the analysis of the composition of chemically peculiar stars which frequently show large overabundances of lanthanides when compared to the solar system standards.

Abstract Copyright: ∼

Journal keyword(s): atomic data - atomic processes - stars: chemically peculiar

Simbad objects: 8

Full paper

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Number of rows : 8

N	Identifier	Otype	ICRS (J2000) RA	ICRS (J2000) DEC	Mag U	Mag B	Mag V	Sp type	#ref 1850 - 2023
1	V* GY And	a2*	01 38 31.8255225672	+45 23 58.935650100		6.343	6.380	A2:VpSiSrCrEu	253
2	V* V1155 Ori	a2*	06 19 01.8426917616	+17 19 30.943758540	5.95	6.25	6.32	B9IIIpSi(Cr)	142
3	V* NY Aur	a2*	06 59 20.1281774064	+42 18 53.114696892		6.76	6.67	~	102
4	V* V816 Cen	dS*	11 37 37.0409608152	-46 42 34.877876832	8.99	8.79	8.03	F8/G0p	314
5	V* PP Vir	a2*	14 04 48.9376773456	+05 24 51.459774732		8.70	8.29	F0	79
6	V* V4050 Sgr	a2*	18 22 53.0754352224	-36 40 10.400061108		5.20	5.34	B7Ib/II	165
7	V* MW Vul	a2*	20 16 27.2010465744	+27 46 33.847187736		6.585	6.645	A0p	120
8	V* V2200 Cyg	a2*	21 01 14.3203959696	+43 43 18.402894444		7.60	7.68	B9p	127

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