\begin{table} \caption{\label{tab:flaycet}Chandra/LETG line fluxes of AY Cet$^a$.} \begin{tabular}{lrcrrrl} \hline \hline Ion & {$\lambda_{{\rm model}}$} & log $T_{{\rm max}}$ & $F_{{\rm obs}}$ & $S/N$ & Ratio & Blends \\ % & \AA & \AA & erg cm$^{-2}$ s${-1}$ & & & \\ \hline %------------------------------------------------------ \ion{S}{xv} & 5.1015 & 7.2 & 9.72e-14 & 3.3 & --0.08 & \ion{S}{xv} 5.0387 \\ \ion{Si}{xiv} & 6.1804 & 7.2 & 5.86e-14 & 5.4 & 0.18 & \ion{Si}{xiv} 6.1858 \\ \ion{Si}{xiii} & 6.6479 & 7.0 & 1.11e-13 & 7.9 & --0.06 & \ion{Si}{xiii} 6.6882, 6.7403 \\ \ion{Mg}{xii} & 7.1058 & 7.0 & 4.21e-14 & 4.9 & 0.14 & \ion{Mg}{xii} 7.1069, \ion{Al}{xiii} 7.1710 \\ \ion{Mg}{xi} & 7.8503 & 6.8 & 4.20e-14 & 4.9 & 0.28 & \ion{Al}{xii} 7.8721 \\ \ion{Mg}{xii} & 8.4192 & 7.0 & 9.72e-14 & 7.8 & --0.26 & \ion{Mg}{xii} 8.4246 \\ \ion{Mg}{xi} & 9.1687 & 6.8 & 1.08e-13 & 7.9 & --0.07 & \\ \ion{Mg}{xi} & 9.3143 & 6.8 & 7.06e-14 & 6.4 & --0.03 & \ion{Mg}{xi} 9.2312, \ion{Ni}{xix} 9.2540 \\ \ion{Fe}{xx} & 9.9977 & 7.0 & 2.48e-14 & 3.8 & --0.04 & \ion{Ni}{xix} 9.9770, \ion{Fe}{xxi} 9.9887, \ion{Fe}{xx} 10.0004, 10.0054 \\ \ion{Ne}{x} & 10.2385 & 6.8 & 4.17e-14 & 4.9 & --0.11 & \ion{Ne}{x} 10.2396 \\ \ion{Fe}{xix} & 10.6414 & 6.9 & 3.10e-14 & 4.2 & --0.09 & \ion{Fe}{xviii} 10.5364, \ion{Fe}{xxiv} 10.6190, 10.6630, \ion{Fe}{xix} 10.6295, 10.6491, 10.6840, \ion{Fe}{xvii} 10.6570 \\ \ion{Fe}{xix} & 10.8160 & 6.9 & 2.07e-14 & 3.5 & 0.18 & \ion{Fe}{xvii} 10.7700 \\ \ion{Fe}{xxiii} & 10.9810 & 7.2 & 3.16e-14 & 4.3 & -0.01 & \ion{Ne}{ix} 11.0010, \ion{Fe}{xxiii} 11.0190, \ion{Fe}{xvii} 11.0260, \ion{Fe}{xxiv} 11.0290 \\ \ion{Fe}{xxiv} & 11.1760 & 7.3 & 7.50e-14 & 6.8 & 0.28 & \ion{Fe}{xvii} 11.1310, \ion{Ni}{xxii} 11.1818, 11.1950, 11.2118 \\ \ion{Fe}{xviii} & 11.3260 & 6.9 & 3.83e-14 & 4.9 & 0.11 & \ion{Fe}{xvii} 11.2540, \ion{Ni}{xxi} 11.3180 \\ \ion{Fe}{xviii} & 11.4230 & 6.9 & 2.61e-14 & 4.1 & 0.07 & \ion{Fe}{xxii} 11.4270, \ion{Fe}{xxiv} 11.4320, \ion{Fe}{xviii} 11.4494 \\ \ion{Fe}{xviii} & 11.5270 & 6.9 & 4.42e-14 & 5.4 & 0.05 & \ion{Fe}{xxii} 11.4900, \ion{Ni}{xix} 11.5390, \ion{Ni}{xxi} 11.5390, \ion{Ne}{ix} 11.5440 \\ \ion{Fe}{xxii} & 11.7700 & 7.1 & 9.48e-14 & 7.9 & 0.02 & \ion{Fe}{xxiii} 11.7360, \ion{Ni}{xx} 11.8320, 11.8460 \\ \ion{Fe}{xxii} & 11.9770 & 7.1 & 8.26e-14 & 7.5 & 0.36 & \ion{Fe}{xxii} 11.8810, 11.9320, \ion{Ni}{xx} 11.9617, \ion{Fe}{xxi} 11.9750, 12.0440 \\ \ion{Ne}{x} & 12.1321 & 6.8 & 3.17e-13 & 14.7 & --0.06 & \ion{Fe}{xvii} 12.1240, \ion{Ne}{x} 12.1375 \\ \ion{Fe}{xxi} & 12.2840 & 7.0 & 1.57e-13 & 10.4 & 0.16 & \ion{Fe}{xxii} 12.2100, \ion{Fe}{xvii} 12.2660 \\ \ion{Fe}{xxi} & 12.3930 & 7.0 & 1.05e-13 & 8.5 & 0.02 & \ion{Fe}{xxi} 12.4220, \ion{Ni}{xix} 12.4350 \\ \ion{Fe}{xx} & 12.5260 & 7.0 & 4.46e-14 & 5.6 & 0.16 & \ion{Fe}{xxi} 12.4990, 12.5698, \ion{Fe}{xx} 12.5760, 12.5760 \\ \ion{Ni}{xix} & 12.6560 & 6.9 & 2.36e-14 & 4.1 & 0.00 & \ion{Fe}{xxi} 12.6490 \\ \ion{Fe}{xxii} & 12.7540 & 7.1 & 2.34e-14 & 4.1 & 0.24 & \ion{Fe}{xvii} 12.6950 \\ \ion{Fe}{xx} & 12.8240 & 7.0 & 1.66e-13 & 10.9 & 0.03 & \ion{Fe}{xxi} 12.8220, \ion{Fe}{xx} 12.8460, 12.8640 \\ \ion{Fe}{xx} & 12.9650 & 7.0 & 8.63e-14 & 7.9 & 0.12 & \ion{Fe}{xx} 12.9120, 12.9920, \ion{Ni}{xx} 12.9270, \ion{Fe}{xix} 12.9330, \ion{Fe}{xxii} 12.9530 \\ \ion{Fe}{xx} & 13.0610 & 7.0 & 4.47e-14 & 5.7 & 0.06 & \ion{Fe}{xix} 13.0220, \ion{Fe}{xx} 13.0240, 13.1000, \ion{Fe}{xxi} 13.0444, 13.0831 \\ \ion{Fe}{xx} & 13.2740 & 7.0 & 3.13e-14 & 4.9 & --0.01 & \ion{Fe}{xxii} 13.2360, \ion{Fe}{xxi} 13.2487, \ion{Ni}{xx} 13.2560, \ion{Fe}{xix} 13.2658, \ion{Fe}{xx} 13.2909 \\ \ion{Fe}{xx} & 13.3850 & 7.0 & 3.90e-14 & 5.5 & --0.01 & \ion{Fe}{xx} 13.3089, 13.3470, \ion{Ni}{xx} 13.3090, \ion{Fe}{xviii} 13.3230, 13.3550, 13.3948 \\ \ion{Ne}{ix} & 13.4473 & 6.6 & 2.61e-13 & 14.2 & 0.05 & \ion{Fe}{xix} 13.4620, 13.4970, 13.5180, \ion{Fe}{xxi} 13.5070 \\ \ion{Fe}{xix} & 13.6450 & 6.9 & 2.31e-14 & 4.3 & 0.24 & \ion{Fe}{xx} 13.6124, 13.6150, \ion{Fe}{xix} 13.6481 \\ \ion{Ne}{ix} & 13.6990 & 6.6 & 5.98e-14 & 6.9 & 0.18 & \ion{Fe}{xix} 13.6742, 13.6752, 13.6828 \\ \ion{Fe}{xix} & 13.7950 & 6.9 & 7.46e-14 & 7.7 & --0.06 & \ion{Fe}{xix} 13.7315, 13.7458, \ion{Fe}{xx} 13.7670, \ion{Ni}{xix} 13.7790 \\ \ion{Fe}{xvii} & 13.8250 & 6.8 & 3.24e-14 & 5.1 & 0.05 & \ion{Fe}{xix} 13.8390, \ion{Fe}{xx} 13.8430, \ion{Fe}{xvii} 13.8920 \\ \ion{Fe}{xxi} & 14.0080 & 7.0 & 7.22e-14 & 7.6 & --0.17 & \ion{Ni}{xix} 14.0430, 14.0770 \\ \ion{Fe}{xviii} & 14.2080 & 6.9 & 1.06e-13 & 9.3 & --0.13 & \ion{Fe}{xviii} 14.2560, \ion{Fe}{xx} 14.2670 \\ \ion{Fe}{xviii} & 14.3730 & 6.9 & 8.38e-14 & 8.4 & 0.06 & \ion{Fe}{xx} 14.3318, 14.4207, 14.4600 \ion{Fe}{xviii} 14.3430, 14.4250, 14.4392 \\ \ion{Fe}{xviii} & 14.5340 & 6.9 & 5.83e-14 & 7.0 & 0.14 & \ion{Fe}{xviii} 14.4856, 14.5056, 14.5710, 14.6011 \\ \ion{Fe}{xix} & 14.6640 & 6.9 & 2.94e-14 & 5.0 & 0.22 & \ion{Fe}{xviii} 14.6160, 14.6884 \\ \ion{Fe}{xix} & 14.7250 & 6.9 & 1.34e-14 & 3.4 & --0.24 & \ion{Fe}{xviii} 14.7260, 14.7820, \ion{Fe}{xx} 14.7540 \\ \ion{O}{viii} & 14.8205 & 6.5 & 6.04e-14 & 7.3 & 0.34 & \ion{O}{viii} 14.8207, \ion{Fe}{xx} 14.8276, 14.8526, 14.8651, 14.8785, 14.9196, \ion{Fe}{xix} 14.9170, \ion{Fe}{xviii} 14.9241 \\ \ion{Fe}{xvii} & 15.0140 & 6.7 & 2.04e-13 & 13.5 & --0.01 & \ion{Fe}{xix} 15.0790 \\ \ion{Fe}{xvii} & 15.2610 & 6.7 & 5.70e-14 & 7.2 & --0.16 & \ion{O}{viii} 15.1760, 15.1765, \ion{Fe}{xix} 15.1980 \\ \ion{Fe}{xvii} & 15.4530 & 6.7 & 1.93e-14 & 4.2 & 0.19 & \ion{Fe}{xix} 15.4136, \ion{Fe}{xviii} 15.4940, 15.5199, \ion{Fe}{xx} 15.5170 \\ \ion{Fe}{xviii} & 15.6250 & 6.8 & 1.67e-14 & 3.9 & --0.15 & \\ \ion{Fe}{xviii} & 15.8240 & 6.8 & 3.78e-14 & 6.0 & 0.24 & \ion{Fe}{xviii} 15.8700 \\ \ion{Fe}{xviii} & 16.0710 & 6.8 & 1.50e-13 & 12.0 & 0.06 & \ion{Fe}{xviii} 16.0040, \ion{O}{viii} 16.0055, 16.0067, \ion{Fe}{xix} 16.1100 \\ \ion{Fe}{xviii} & 16.1590 & 6.8 & 1.66e-14 & 4.1 & --0.08 & \ion{Fe}{xvii} 16.2285, \ion{Fe}{xix} 16.2830 \\ \ion{Fe}{xvii} & 16.7800 & 6.7 & 6.92e-14 & 8.3 & --0.03 & \\ \ion{Fe}{xvii} & 17.0510 & 6.7 & 1.82e-13 & 12.5 & 0.11 & \ion{Fe}{xvii} 17.0960 \\ \ion{O}{viii} & 18.9671 & 6.5 & 2.13e-13 & 14.6 & --0.09 & \ion{O}{viii} 18.9725 \\ \ion{S}{xiv} & 24.2850 & 6.5 & 1.68e-14 & 3.7 & 0.40 & \ion{S}{xiv} 24.2000, 24.2890 \\ \ion{N}{vii} & 24.7792 & 6.3 & 5.34e-14 & 6.6 & 0.00 & \ion{N}{vii} 24.7846 \\ \ion{C}{vi} & 28.4652 & 6.2 & 2.11e-14 & 4.3 & 0.00 & \ion{C}{vi} 28.4663 \\ \ion{S}{xiv} & 30.4270 & 6.5 & 1.66e-14 & 3.5 & --0.32 & \ion{S}{xiv} 30.4690 \\ No id. & 36.3980 & & 4.30e-14 & 6.0 & \ldots & (\ion{Ne}{x} 12.132, 3${\rm rd}$ order) \\ \ion{Si}{xii} & 44.1650 & 6.3 & 9.40e-15 & 4.5 & --0.12 & \ion{Si}{xii} 44.0190, 44.1780 \\ \ion{Fe}{xvii} & 50.6861 & 6.8 & 3.99e-15 & 3.7 & 0.32 & \ion{Fe}{xvi} 50.5550, \ion{Fe}{xvii} 50.8544 \\ No id. & 56.9000 & & 1.07e-14 & 4.1 & \ldots & (\ion{O}{viii} 18.97, 3${\rm rd}$ order) \\ \ion{Fe}{xviii} & 93.9230 & 6.8 & 2.87e-14 & 8.6 & --0.29 & \ion{Fe}{xx} 93.7800 \\ \ion{Fe}{xix} & 101.5500 & 6.9 & 1.30e-14 & 3.7 & --0.21 & \\ \ion{Fe}{xxi} & 102.2200 & 7.0 & 1.01e-14 & 3.3 & --0.43 & \\ \ion{Fe}{xix} & 108.3700 & 6.9 & 3.99e-14 & 6.4 & --0.15 & \\ \ion{Fe}{xxii} & 117.1700 & 7.1 & 1.92e-14 & 4.4 & --0.54 & \\ \ion{Fe}{xxi} & 128.7300 & 7.0 & 4.25e-14 & 4.9 & --0.31 & \\ \ion{Fe}{xx} & 132.8500 & 7.0 & 7.64e-14 & 6.6 & --0.38 & \ion{Fe}{xxiii} 132.8500 \\ \ion{Fe}{xxii} & 135.7800 & 7.1 & 5.89e-14 & 5.8 & 0.14 & \\ %----------------- \hline \end{tabular} \smallskip {$^a$ Line fluxes (in erg cm$^{-2}$ s$^{-1}$) measured in Chandra/LETG AY Cet summed spectra, and corrected by the ISM absorption. log $T_{{\rm max}}$ indicates the maximum temperature (K) of formation of the line (unweighted by the EMD). ``Ratio'' is the log~($F_{{\rm obs}}$/$F_{{\rm pred}}$) of the line. Blends amounting to more than 5\% of the total flux for each line are indicated. For some lines not identified in APED, a tentative identification as 3${\rm rd}$ order emission of intense lines is suggested in the ``Blends'' column.} \end{table}