Table 8: Projected rotational velocities derived through Fourier and FWHM methods for some metal lines present in the spectrum of $\theta ^1$ Ori C. Values were derived at phase 0.972 (see explanation in text).
Line v sin i (km s^-1)

Fourier FWHM

C III 4056 23 42 $\pm$ 10

N III 3998 23 28 $\pm$ 7

N IV 4057 20 33 $\pm$ 7

N IV 5200 20 32 $\pm$ 10

Si IV 4089 23 62 $\pm$ 14

Si IV 4654 30 47 $\pm$ 10

O III 4081 21 52 $\pm$ 10

O III 4376 26 31 $\pm$ 4

O III 4435 25 32 $\pm$ 5

O III 4454 27 34 $\pm$ 4

O III 5592 25 45 $\pm$ 6

**Table 8:** Projected rotational velocities derived through Fourier and *FWHM* methods for some metal lines present in the spectrum of $\theta ^1$ Ori C. Values were derived at phase 0.972 (see explanation in text).
Line	v sin i (km s^-1)
	Fourier	FWHM
C III 4056	23	42 $\pm$ 10
N III 3998	23	28 $\pm$ 7
N IV 4057	20	33 $\pm$ 7
N IV 5200	20	32 $\pm$ 10
Si IV 4089	23	62 $\pm$ 14
Si IV 4654	30	47 $\pm$ 10
O III 4081	21	52 $\pm$ 10
O III 4376	26	31 $\pm$ 4
O III 4435	25	32 $\pm$ 5
O III 4454	27	34 $\pm$ 4
O III 5592	25	45 $\pm$ 6

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