Si
atomic silicon, 3P ground state
Species tag 028517
Version1*
Date of EntryAug. 2010
ContributorH. S. P. Müller

The lines of atomic silicon have been measured by
(1) M. Inguscio, K. M. Evenson, V. Beltrán-López, E. Ley-Koo, 1984, Astrophys. J. 278, L127;
and by
(2) J. M. Brown, L. R. Zink, and K. M. Evenson, 1994, Astrophys. J. 423, L151.
The data in (1) were reanalyzed in (2), where also A values have been given.
Lines Listed2
Frequency / GHz< 4379
Max. J2
log STR0-4.0
log STR1-4.0
Isotope Corr.-0.0352
Egy / cm–10.0
 µa / D 
 µb / D 
 µc / D 
 A / MHz 
 B / MHz 
 C / MHz 
 Q(1000.)7.3118
 Q(500.0)6.0338
 Q(300.0)4.7872
 Q(225.0)4.0323
 Q(150.0)3.0198
 Q(75.00)1.7525
 Q(37.50)1.1566
 Q(18.75)1.0081
 Q(9.375)1.0000
 Q(5.000)1.0000
 Q(2.725)1.0000
detected in ISM/CSMyes

Database maintained by Holger S. P. Müller and Sven Thorwirth, programming by D. Roth and F. Schlöder