[Fe II] 1.644 µm imaging survey of planetary nebulae with low-ionisation structures

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Table 3

NGC 7009 [Fe II] 1.644 µm+HI 12-4 1.640 µm and [Fe II] 1.644 µm flux and intensity.

Name	RA	Dec	[Fe II] 1.644 µm+	[Fe II] 1.644 µm	Brγ	R(Fe)	Area
	(J2000.0)	(J2000.0)	H I 12-4 1.640 µm				(arcsec pixel⁻¹)
LIS-E	21:04:12.41	−11:21:41.69	1.87e-15 (4)	1.07e-15	4.20e-15	0.25 ± 0.06	1.164 × 1.164
			5.87e-5	3.36e-5	1.32e-4		(10 × 10)
LIS-W	21:04:09.10	−11:21:53.27	5.11e-15 (<)	–	6.09e-15	–	2.095 × 1.396
			7.43e-5	–	8.86e-5		(18 × 12)
LIS-K	21:04:10.12	−11:21:46.98	5.81e-14(9)	1.27e-14	2.39e-13	0.05 ± 0.01	3.491 × 1.745
			4.05e-4	8.85e-5	1.67e-3		(30 × 15)

Notes. Fluxes are in erg s⁻¹ cm⁻² (first row) and intensities in erg s⁻¹ cm⁻² sr⁻¹ (second row). Numbers in parentheses give the S/N for each flux, while the symbol “<” indicates an upper limit.

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