Table 1.
Photometric properties of Malin 2 along different wedge directions.
| Wedge angle | R1 | Mean photometry of the extended disk at R > 70 kpc | |||
|---|---|---|---|---|---|
| (deg) | (kpc) | ⟨μg⟩ | ⟨μr⟩ | ⟨g − r⟩ | ⟨Σ⋆⟩ |
| (mag arcsec−2) | (mag arcsec−2) | (mag) | (M⊙ pc−2) | ||
| 0 | 53.4 ± 0.2 | 28.60 ± 0.04 | 28.10 ± 0.05 | 0.50 ± 0.07 | 0.24 ± 0.03 |
| 60 | 63.3 ± 0.4 | 28.30 ± 0.02 | 27.88 ± 0.03 | 0.42 ± 0.03 | 0.20 ± 0.02 |
| 120 | 62.6 ± 0.5 | 29.16 ± 0.05 | 28.78 ± 0.07 | 0.39 ± 0.09 | 0.15 ± 0.05 |
| 180 | 54.9 ± 2.6 | 28.26 ± 0.03 | 27.75 ± 0.04 | 0.51 ± 0.05 | 0.28 ± 0.05 |
| 240 | 54.3 ± 0.5 | 29.18 ± 0.05 | 28.78 ± 0.09 | 0.40 ± 0.10 | 0.13 ± 0.04 |
| 300 | 57.9 ± 0.4 | – | – | – | – |
Notes. (1) Wedge angle; (2) R1 radius corresponding to the radius at which the stellar mass surface density reaches 1 M⊙ pc−2; (3)–(6) Mean photometry of the extended disk between a radial range of 70 kpc to about 110 kpc. The columns mark the mean g- and r-band surface brightness levels, mean g − r color, and the mean stellar mass surface density, respectively.
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