Properties of bow-shock sources at the Galactic center

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Volume 567 (July 2014)

A&A, 567 (2014) A21

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Table 4

Best-fit parameters of our bow-shock models for IRS 5 (spherically symmetric stellar wind)

Parameter	H	K _s	L ′	σ _rms


R₀ [AU]	445.0	517.0	575.0	± 53.0 ^a
PA [deg]^b	50.0	46.9	47.0	± 1.6 ^a
Inclination [deg]^c	116.0	139.9	144.6	± 12.5 ^a
FWHM [px]^d	2.0	2.23	4.6	–
Bow-shock flux [%]^e	60.0	90.0	100.0	–

Notes.

^(a)

The standard deviation of the measurements obtained in the three filters.

^(b)

Position angle increasing E of N.

^(c)

Angle between the bow-shock symmetry axis and the observer’s line of sight. 0° – the bow-shock apex is toward the observer, 90° – the bow-shock is projected on the plane of the sky.

^(d)

Full width at half maximum of the beam at different wavelengths in pixels. The FWHM reported for the L′-band is fixed and corresponds to the synthesized beam of the SAM observations.

^(e)

Percentage of the total emission that corresponds to the extended emission. The rest of the emission corresponds to the central source.

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