Table 1.
Coordinates, H- and K-band flux densities, H − K colour, and extinction calculated from the H − K colour for the apertures in the ILR ring and at the centre of NGC 1672.
| Aperture | (X-offset, Y-offset) | H-band | K-band | H − K | AV |
|---|---|---|---|---|---|
| [arcsec, arcsec] | 10−15 W m−2 μm−1 | 10−15 W m−2 μm−1 | [mag] | [mag] | |
| N | (0.0, 0.0) | 14.53 | 9.21 | 0.56 | 5.0 |
| 1 | (−3.75, −1.25) | 2.33 | 1.38 | 0.49 | 3.9 |
| 2 | (−3.75, 2.625) | 2.17 | 1.26 | 0.47 | 3.6 |
| 3 | (−1.875, 4.125) | 2.24 | 1.3 | 0.46 | 3.5 |
| 4 | (0.25, 4.125) | 2.02 | 1.2 | 0.49 | 3.9 |
| 5 | (3.625, 3.75) | 1.64 | 0.97 | 0.48 | 3.8 |
| 6 | (4.125, −0.25) | 1.79 | 1.08 | 0.51 | 4.2 |
| 7 | (3.875, −4.125) | 1.65 | 1.05 | 0.56 | 5.0 |
| 8 | (0.125, −4.125) | 2.39 | 1.46 | 0.52 | 4.4 |
| 9 | (−1.375, −4.125) | 1.95 | 1.22 | 0.55 | 4.8 |
| 10 | (−1.0, 1.0) | 6.46 | 3.76 | 0.47 | 3.6 |
| 11 | (1.0, −1.0) | 6.42 | 3.7 | 0.46 | 3.5 |
Notes. The H- and K-band flux densities are extracted from the H + K data cube by taking a median of the spectrum around λ ∼ 1.6 μm and λ ∼ 2.15 μm, respectively.
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