Exploring the origin of magnetic fields in massive stars - II. New magnetic field measurements in cluster and field stars

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Table 3

Magnetic field measurements of five O-type stars using SOFIN and HARPS observations.

MJD/HJD	Phase	⟨B_z⟩_all [G]	⟨B_z⟩_n [G]	Instr.

HD 36879
^∗54 345.389		180 ± 52		FORS 2
2 454 723.737		−125 ± 78	53 ± 75	SOFIN
2 455 195.615		−276 ± 89	−64 ± 92	SOFIN

15 Mon
^∗54 609.968		134 ± 52		FORS 2
2 455 201.553		−162 ± 37	−62 ± 42	SOFIN

HD 151804
^∗53 476.369		−151 ± 90		FORS 2
^∗53 571.025		68 ± 65		FORS 2
^∗53 596.096		82 ± 46		FORS 2
55 708.356		−104 ± 38	−31 ± 36	HARPS

9 Sgr
^∗53 520.357		−114 ± 66		FORS 2
^∗53 594.119		211 ± 57		FORS 2
^∗53 595.096		−165 ± 75		FORS 2
2 455 074.387		187 ± 56	−33 ± 60	SOFIN
2 455 075.384		242 ± 74	72 ± 76	SOFIN
2 455 078.396		238 ± 59	66 ± 66	SOFIN
2 455 081.382		−265 ± 65	−42 ± 62	SOFIN
55 707.323		210 ± 42	39 ± 41	HARPS

HD 191612
^∗2 454 721.347	0.43	357 ± 58	67 ± 65	SOFIN
2 455 395.592	0.68	−144 ± 34	−39 ± 36	SOFIN
2 455 407.583	0.68	−154 ± 63	−67 ± 70	SOFIN

Notes. Already published measurements are marked by asterisks. All quoted errors are 1σ uncertainties.

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