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NIST Atomic Spectra Database Lines Data

Mg II: 12 Lines of Data Found
Z = 12, Na isoelectronic sequence 

Example of how to reference these results:
Kramida, A., Ralchenko, Yu., Reader, J., and NIST ASD Team (2018). NIST Atomic Spectra Database (ver. 5.6.1), [Online]. Available: https://physics.nist.gov/asd [2019, July 21]. National Institute of Standards and Technology, Gaithersburg, MD. DOI: https://doi.org/10.18434/T4W30F
BibTex Citation (new window)
 
No explicit information on uncertainties of observed or Ritz wavelengths is available in ASD for this selection of lines.
Wavelength range: 2790 - 2805 Å
Wavelength in: vacuum below 2000 Å, air between 2000 and 20000 Å, vacuum above 20000 Å
Highest relative intensity: 13
Some data for neutral and singly-charged ions are available in the Handbook of Basic Atomic Spectroscopic Data

Primary data sources
Query NIST Bibliographic Databases for
Mg II (new window)
Energy Levels:  Martin and Zalubas 1980  Mg II Energy Levels
Lines:  Kaufman and Martin 1991  Mg II Line Wavelengths and Classification
Transition Probabilities:  Kelleher and Podobedova 2008  Mg II Transition Probabilities


 Observed 
 Wavelength 
 Air (Å) 
 Ritz 
 Wavelength 
 Air (Å) 
 Rel. 
 Int. 
(?)
 Aki
 (s-1
 Acc.   Ei 
 (eV) 
   Ek 
 (eV) 
 Lower Level 
 Conf., Term, J 
 Upper Level 
 Conf., Term, J 
 gi   -   gk   Type   TP
Ref.
 Line
Ref.
                                       
  2 790.542     3.20e+04    C+ 8.654711  13.096416   2p64s   2  1/2   2p66p   2P°   3/2   2 - c31  
2 790.776  2 790.777   9  4.01e+08    A 4.422431  8.863762   2p63p   2P°   1/2   2p63d   2  3/2   2 - c31,T6870,c23 L7414
  2 790.777     2.29e-04    B 4.422431  8.863762   2p63p   2P°   1/2   2p63d   2  3/2   2 - M2 c28  
  2 790.845     1.63e-03    B+ 4.422431  8.863654   2p63p   2P°   1/2   2p63d   2  5/2   2 - M2 c28  
  2 791.117     4.02e+04    C+ 8.654711  13.095501   2p64s   2  1/2   2p66p   2P°   1/2   2 - c31  
                                       
2 795.528  2 795.528   13g  2.60e+08    A+ 0.000000  4.433784   2p63s   2  1/2   2p63p   2P°   3/2   2 - c31,T6870,T5467,T6659,c23 L7414
  2 795.528     3.80e-03    B+ 0.000000  4.433784   2p63s   2  1/2   2p63p   2P°   3/2   2 - M2 c28  
  2 797.930     7.98e+07    A 4.433784  8.863762   2p63p   2P°   3/2   2p63d   2  3/2   4 - c31,T6870,c23  
  2 797.930     2.19e-10    E 4.433784  8.863762   2p63p   2P°   3/2   2p63d   2  3/2   4 - M2 c28  
2 797.998  2 797.998   10  4.79e+08    A 4.433784  8.863654   2p63p   2P°   3/2   2p63d   2  5/2   4 - c31,T6870,c23 L7414
                                       
  2 797.998     8.82e-03    B+ 4.433784  8.863654   2p63p   2P°   3/2   2p63d   2  5/2   4 - M2 c28  
2 802.704  2 802.705   12g  2.57e+08    A+ 0.000000  4.422431   2p63s   2  1/2   2p63p   2P°   1/2   2 - c31,T6870,T5467,T6659,c23 L7414

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