The abundance of interstellar C60 molecules toward BD+31°643 and other stars

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Table A.2

Radial velocities from atomic lines toward HD 37022.

No.	Ca II K	Ca II H	Na I D2	Na I D1
1	+6.9(1)	+6.8(2)	+6.11(8)	+6.6(1)
2	+20.58(7)^a	+21.2(2)	+20.87(5)^a	+20.85(4)^a
3	+31.25(6)	+31.0(1)	+31.6(2)	+32.0(3)
4	+41.2(2)	+40.0(7)	...	+48.3(5)

Notes. Velocities are expressed in the BSR frame in units of km s⁻¹. They correspond to the wavelength shifts of the observed atomic lines relative to the rest values given by Hobbs et al. (2009). Numbers in parentheses are 1σ-errors in units of the last digit quoted. They do not take the spectrometric accuracy of PEPSI into account.

^(a)Velocities used to determine the average value of 20.8 km s⁻¹ (Table A.1) attributed to interstellar atoms and molecules of interest, including $C_{60}^{+}$ $Mathematical equation: $\[\mathrm{C}_{60}^{+}\]$$ , detected toward HD 37022.

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