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Table 6
Comparison of the element abundances (number fractions relatively to H) of SAO 244567 (CS) as derived by our analysis and of its PN as derived by analysis of the spectrum in 1990 (Parthasarathy et al. 1993), 1992, and 2011 (Arkhipova et al. 2013).
| CS | PN | |||||||
| 2011 | 1992 | 1990 | ||||||
|
|
||||||||
| He/H | 8.50 ×10-2 | 9.60 ×10-2 | 9.30 ×10-2 | 1.03 ×10-1 | ||||
| C/H | 5.69 ×10-5 | 7.59 ×10-5 | ||||||
| N/H | 6.69 ×10-5 | 5.75 ×10-5 | 6.45 ×10-5 | 6.50 ×10-5 | ||||
| O/H | 4.84 ×10-4 | 1.91 ×10-4 | 2.46 ×10-4 | 3.00 ×10-4 | ||||
| Ne/H | < 3.59 ×10-4 | 3.47 ×10-5 | 5.75 ×10-5 | 9.20 ×10-5 | ||||
| S/H | 6.03 ×10-6 | 2.40 ×10-6 | 6.03 ×10-6 | 2.20 ×10-6 | ||||
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