Search for trans-iron elements in hot, helium-rich white dwarfs with the HST Cosmic Origins Spectrograph

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Volume 612 (April 2018)

A&A, 612 (2018) A62

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Table A.5

Nickel lines identified in the HST/COS spectra of WD 0111+002 and PG 0109+111.





Wavelength / Å	Ion	Transition		Comment





laboratory		low	up








1357.064	Ni IV	4s ⁶D	4p ⁶P	weak
1231.875	Ni V	4s ³D	4p ³P	weak
1232.524	Ni V	4s ⁵G	4p ⁵F	weak
1232.807	Ni V	4s ¹H	4p ¹H	weak
1232.964	Ni V	4s ³D	4p ³F	weak
1233.257	Ni V	4s ⁵F	4p ⁵F	weak
1233.312	Ni V	4s ⁵G	4p ⁵F	weak
1235.831	Ni V	4s ¹I	4p ⁵G	weak
1242.043	Ni V	4s ¹D	4p ³G
1244.174 ^a	Ni V	4s ⁷S	4p ⁷P
1245.020	Ni V	4s ¹F	4p ³F	weak
1245.074	Ni V	4s ³G	4p ³F	weak
1245.203	Ni V	4s ³D	4p ³F	weak
1249.522	Ni V	4s ⁵G	4p ⁵F
1250.033	Ni V	4s ⁵G	4p ⁵F	weak
1251.812 ^a	Ni V	4s ³G	4p ³G
1252.183 ^a	Ni V	4s ⁵G	4p ⁵F
1253.980	Ni V	4s ³G	4p ³G
1257.626 ^a	Ni V	4s ⁵G	4p ⁵H
1261.327	Ni V	4s ³F	4p ³G
1261.760	Ni V	4s ⁵D	4p ⁵F
1264.501 ^a	Ni V	4s ⁷S	4p ⁷P
1265.671 ^b	Ni V	4s ³H	4p ³I	blend with unid.
1265.725 ^b	Ni V	4s ⁵F	4p ⁵G	blend with unid.
1266.408 ^a	Ni V	4s ⁵G	4p ⁵H
1270.677	Ni V	4s ³I	4p ³K
1273.204	Ni V	4s ⁵G	4p ⁵H
1273.827	Ni V	4s ⁵P	4p ⁵P	weak
1276.428 ^a	Ni V	4s ⁵D	4p ⁵F
1276.958 ^a	Ni V	4s ⁷ S	4p ⁷P
1279.325	Ni V	4s ⁵ P	4p ⁵D	weak
1279.720	Ni V	4s ⁵ G	4p ⁵H
1280.138	Ni V	4s ³ H	4p ³I	weak
1282.201	Ni V	4s ³ I	4p ³I	weak
1282.270	Ni V	4s ³ I	4p ³I	weak
1282.724	Ni V	4s ³ I	4p ³I	weak
1287.553	Ni V	4s ³ D	4p ³F	weak
1287.628	Ni V	4s ¹ D	4p ¹F	weak
1287.808	Ni V	4s ⁵ D	4p ⁵F	weak
1300.979	Ni V	4s ⁵ S	4p ⁵P
1304.870	Ni V	4s ³ I	4p ³I
1305.696	Ni V	4s ³ I	4p ³K	weak
1306.238	Ni V	4s ³ I	4p ³K	weak
1306.624	Ni V	4s ⁵ G	4p ⁵G
1307.603	Ni V	4s ⁵ S	4p ⁵P
1311.106	Ni V	4s ⁵ G	4p ⁵G
1312.718 ^a	Ni V	4s ³ I	4p ³K
1313.280	Ni V	4s ⁵ G	4p ⁵G
1314.330 ^a	Ni V	4s ⁵ G	4p ⁵G
1314.349	Ni V	4s ¹ H	4p ¹I
1314.682	Ni V	4s ⁵ G	4p ⁵G	weak
1317.447	Ni V	4s ¹ I	4p ¹K
1318.327	Ni V	4s ³ D	4p ³F	weak
1318.515 ^a	Ni V	4s ⁵ S	4p ⁵P
1323.562	Ni V	4s ³ H	4p ³H	weak
1323.977	Ni V	4s ³ G	4p ³H
1329.358 ^a	Ni V	4s ³ G	4p ³H
1336.136 ^a	Ni V	4s ³ G	4p ³H
1347.720	Ni V	4s ³ G	4p ³F	weak

Notes. ^(a) Also seen in PG 0109+111. ^(b) Only seen in PG 0109+111.

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