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Table A.1.

Blue cF-type absorption lines (from Ca I, Sc II, Ti II, Cr II, Fe I, Fe II, Y II, and Zr II) that were identified in the high-resolution spectra collected during outbursts and used to measure the radial velocities associated with the hot component.

Element λlab (Air) Element λlab (Air) Element λlab (Air)
[Å] [Å] [Å]
Cr II 4242.364 Ti II 4394.051 Fe II 4534.168
Sc II 4246.822 Ti II 4395.031 Fe II 4541.524
Fe I 4271.154 Ti II 4395.839 Fe II 4549.474
Fe I 4271.761 Ti II 4399.765 Ti II 4549.622
Fe II 4273.320 Sc II 4400.389 Fe II 4555.893
Fe II 4273.325 Fe I 4404.750 Cr II 4558.650
Cr II 4275.567 Ti II 4407.672 Ti II 4563.757
Fe I 4282.403 Fe I 4407.709 Ti II 4571.971
Ti II 4287.873 Ti II 4409.235 Fe II 4576.340
Fe II 4296.572 Ti II 4409.516 Fe II 4582.835
Ti II 4300.042 Ti II 4411.072 Fe II 4583.837
Ti II 4301.914 Ti II 4411.929 Cr II 4588.199
Sc II 4305.714 Ti II 4418.330 Ti II 4589.958
Ti II 4307.863 Ti II 4421.938 Cr II 4592.049
Fe I 4307.902 Fe I 4422.568 Fe II 4629.339
Ti II 4312.860 Y II 4422.585 Cr II 4634.070
Sc II 4314.083 Ca I 4434.957 Ti II 4763.883
Fe II 4314.310 Ca I 4435.679 Ti II 4764.526
Ti II 4314.971 Ti II 4441.729 Ti II 4779.985
Fe I 4315.085 Fe I 4442.339 Ti II 4798.521
Sc II 4320.732 Ti II 4443.794 Ti II 4805.085
Ti II 4320.950 Ti II 4444.555 Cr II 4812.337
Sc II 4324.996 Ti II 4450.482 Cr II 4824.127
Fe I 4325.762 Ca I 4454.779 Cr II 4836.229
Ti II 4330.237 Fe I 4461.653 Cr II 4848.235
Ti II 4330.240 Ti II 4464.449 Ti II 4874.010
Ti II 4330.695 Ti II 4468.507 Cr II 4876.399
Ti II 4344.281 Fe II 4489.183 Cr II 4876.410
Sc II 4354.598 Fe II 4491.405 Y II 4900.119
Ti II 4367.652 Ti II 4501.270 Ti II 4911.195
Sc II 4374.457 Fe II 4508.288 Fe II 4923.927
Ti II 4374.816 Fe II 4515.339 Fe II 5018.440
Y II 4374.933 Ti II 4518.327 Sc II 5031.021
Zr II 4379.742 Fe II 4520.224 Ti II 5072.287
Sc II 4384.814 Fe II 4522.634 Ti II 5185.902
Fe II 4385.387 Ti II 4529.480 Ti II 5188.687
Ti II 4391.025 Ti II 4533.960

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