Barium (Ba)
![](../Images/spacer.gif)
![](../Images/otherelements.gif)
![](../Images/spacer.gif)
![](../Images/neutralatom.gif)
![](../Images/singlyionized.gif)
![Homepage - Introduction Homepage - Introduction](../Images/mainPage.jpg)
![Finding list Finding list](../Images/findinglist.gif)
![Select element by name. Select element by name.](../Images/element_name_G.gif)
![Select element by atomic number. Select element by atomic number.](../Images/atomic_number_G.gif)
![Select element from periodic table Select element from periodic table](../Images/periodic_table_G.gif)
![](../Images/spacer.gif)
![Barium Atomic Data Barium Atomic Data](../Images/general_Y.gif)
![Barium Strong Lines Barium Strong Lines](../Images/strong_Y.gif)
![Barium Neutral Atom Persistent Lines Barium Neutral Atom Persistent Lines](../Images/persistent_B.gif)
![Barium Neutral Atom Energy Levels Barium Neutral Atom Energy Levels](../Images/energy_Y.gif)
![Barium Singly Ionized Persistent Lines Barium Singly Ionized Persistent Lines](../Images/persistent_O.gif)
![Barium Singly Ionized Energy Levels Barium Singly Ionized Energy Levels](../Images/energy_O.gif)
Persistent Lines of Neutral Barium ( Ba I )
Int. Wavelength Aki Energy Configuration Term J Line Aki
(Å) (108s-1) Levels (cm-1) Ref. Ref.
30 3071.584 0.41 0.000 6s2 1S 0 KL99 KFW02
32547.033 6s7p 1P° 1
80 3501.108 0.35 0.000 6s2 1S 0 KL99 KFW02
28554.221 5d6p 1P° 1
1000 5535.481 1.19 0.000 6s2 1S 0 KL99 KFW02
18060.261 6s6p 1P° 1
250 6498.760 0.54 9596.533 6s5d 3D 3 KL99 KFW02
24979.834 5d6p 3D° 3
110 6527.312 0.33 9215.501 6s5d 3D 2 KL99 KFW02
24531.513 5d6p 3D° 2
100 6595.325 0.38 9033.966 6s5d 3D 1 KL99 KFW02
24192.033 5d6p 3D° 1
50 6693.842 0.146 9596.533 6s5d 3D 3 KL99 KFW02
24531.513 5d6p 3D° 2
200 7059.943 0.50 9596.533 6s5d 3D 3 KL99 KFW02
23757.049 5d6p 3F° 4
150 7280.296 0.32 9215.501 6s5d 3D 2 KL99 KFW02
22947.423 5d6p 3F° 3
80 7672.085 0.15 9033.966 6s5d 3D 1 KL99 KFW02
22064.645 5d6p 3F° 2
60 8559.998 0.20 11395.350 6s5d 1D 2 KL99 KFW02
23074.387 5d6p 1D° 2
60 14999.852 0.0025 11395.350 6s5d 1D 2 KL99 KFW02
18060.261 6s6p 1P° 1
50 23253.56 9215.501 6s5d 3D 2 KL99
13514.745 6s6p 3P° 2
60 25514.88 9596.533 6s5d 3D 3 KL99
13514.745 6s6p 3P° 2
![](../Images/spacer.gif)
![](../Images/otherelements.gif)
![](../Images/spacer.gif)
![](../Images/neutralatom.gif)
![](../Images/singlyionized.gif)
![Homepage - Introduction Homepage - Introduction](../Images/mainPage.jpg)
![Finding list Finding list](../Images/findinglist.gif)
![Select element by name. Select element by name.](../Images/element_name_G.gif)
![Select element by atomic number. Select element by atomic number.](../Images/atomic_number_G.gif)
![Select element from periodic table Select element from periodic table](../Images/periodic_table_G.gif)
![](../Images/spacer.gif)
![Barium Atomic Data Barium Atomic Data](../Images/general_Y.gif)
![Barium Strong Lines Barium Strong Lines](../Images/strong_Y.gif)
![Barium Neutral Atom Persistent Lines Barium Neutral Atom Persistent Lines](../Images/persistent_B.gif)
![Barium Neutral Atom Energy Levels Barium Neutral Atom Energy Levels](../Images/energy_Y.gif)
![Barium Singly Ionized Persistent Lines Barium Singly Ionized Persistent Lines](../Images/persistent_O.gif)
![Barium Singly Ionized Energy Levels Barium Singly Ionized Energy Levels](../Images/energy_O.gif)