Table 4.
Structural parameters of the LSB galaxy candidates in Pegasus I, obtained from the fit of Sérsic laws to their brightness profiles.
| Object | Filter | rint (arcsec) | rext (arcsec) | μ0 (mag arcsec−2) | r0 (arcsec) | N | μeff (mag arcsec−2) | rSeff (arcsec) | n | mStot (mag) |
|---|---|---|---|---|---|---|---|---|---|---|
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | (8) | (9) | (10) | (11) |
| g′ | 0.8 | 25.90 ± 0.03 | 2.97 ± 0.05 | 1.80 ± 0.07 | 26.75 | 2.60 | 0.56 | 22.23 | ||
| PEG J231956+081253.7 | r′ | 0.7 | 5 | 25.44 ± 0.03 | 3.34 ± 0.07 | 1.97 ± 0.13 | 26.19 | 2.77 | 0.51 | 21.57 |
| i′ | 0.8 | 25.17 ± 0.02 | 3.30 ± 0.05 | 1.95 ± 0.09 | 25.93 | 2.74 | 0.51 | 21.33 | ||
| g′ | 0.8 | 26.82 ± 0.05 | 8.60 ± 0.35 | 1.36 ± 0.10 | 28.05 | 9.46 | 0.73 | 20.62 | ||
| PEG J232023+081331.4 | r′ | 0.8 | 15 | 26.18 ± 0.03 | 10.61 ± 0.24 | 1.81 ± 0.12 | 27.03 | 9.24 | 0.55 | 19.76 |
| i′ | 0.9 | 25.73 ± 0.02 | 9.93 ± 0.17 | 1.88 ± 0.09 | 26.53 | 8.43 | 0.53 | 19.48 | ||
| g′ | 0.9 | 26.27 ± 0.02 | 11.24 ± 0.16 | 1.63 ± 0.08 | 27.25 | 10.52 | 0.64 | 19.69 | ||
| PEG J232024+081209.0 | r′ | 1.0 | 14 | 25.51 ± 0.02 | 10.04 ± 0.16 | 1.69 ± 0.08 | 26.44 | 9.16 | 0.59 | 19.19 |
| i′ | 0.7 | 25.64 ± 0.03 | 10.35 ± 0.27 | 1.74 ± 0.14 | 26.53 | 9.25 | 0.57 | 19.31 | ||
| g′ | 1.0 | 25.28 ± 0.02 | 5.30 ± 0.09 | 1.37 ± 0.04 | 26.51 | 5.81 | 0.73 | 20.13 | ||
| PEG J232037+080934.3 | r′ | 0.9 | 10 | 24.80 ± 0.02 | 4.93 ± 0.10 | 1.36 ± 0.04 | 26.04 | 5.42 | 0.73 | 19.82 |
| i′ | 0.9 | 24.51 ± 0.02 | 4.89 ± 0.10 | 1.33 ± 0.04 | 25.79 | 5.52 | 0.75 | 19.51 | ||
| g′ | 0.8 | 25.55 ± 0.03 | 2.78 ± 0.05 | 1.92 ± 0.09 | 26.32 | 2.33 | 0.52 | 22.06 | ||
| PEG J232037+081336.6 | r′ | 0.8 | 4 | 25.08 ± 0.02 | 2.98 ± 0.03 | 2.26 ± 0.08 | 25.69 | 2.30 | 0.44 | 21.48 |
| i′ | 0.9 | 24.65 ± 0.03 | 2.84 ± 0.06 | 1.62 ± 0.09 | 25.63 | 2.68 | 0.62 | 21.03 | ||
| g′ | 0.8 | 24.95 ± 0.05 | 2.77 ± 0.10 | 1.43 ± 0.07 | 26.11 | 2.91 | 0.70 | 21.20 | ||
| PEG J232038+081046.9 | r′ | 0.8 | 6 | 24.42 ± 0.04 | 2.53 ± 0.08 | 1.25 ± 0.05 | 25.80 | 3.07 | 0.80 | 20.74 |
| i′ | 0.9 | 24.13 ± 0.06 | 2.58 ± 0.13 | 1.19 ± 0.07 | 25.60 | 3.34 | 0.84 | 20.30 | ||
| g′ | 0.6 | 25.96 ± 0.03 | 3.59 ± 0.11 | 1.26 ± 0.07 | 27.32 | 4.30 | 0.79 | 21.63 | ||
| PEG J232049+080806.2 | r′ | 0.6 | 6 | 25.50 ± 0.03 | 3.64 ± 0.09 | 1.52 ± 0.08 | 26.57 | 3.62 | 0.66 | 21.47 |
| i′ | 0.5 | 24.94 ± 0.03 | 3.35 ± 0.17 | 1.03 ± 0.07 | 26.69 | 5.36 | 0.97 | 20.66 | ||
| g′ | 24.32 ± 0.01 | 0.45 ± 0.01 | 2.11 ± 0.11 | 24.99 | 0.36 | 0.47 | 24.83 | |||
| PEG J232054+080838.8 (int) | r′ | 0.0 | 6.5 | 23.46 ± 0.01 | 0.44 ± 0.01 | 2.18 ± 0.10 | 24.10 | 0.34 | 0.46 | 24.07 |
| i′ | 22.68 ± 0.01 | 0.33 ± 0.01 | 1.89 ± 0.06 | 23.48 | 0.28 | 0.53 | 23.82 | |||
| g′ | 25.13 ± 0.01 | 1.86 ± 0.30 | 0.80 ± 0.08 | 27.48 | 4.88 | 1.25 | 21.24 | |||
| PEG J232054+080838.8 (out) | r′ | 0.0 | 6.5 | 24.89 ± 0.01 | 2.48 ± 0.44 | 0.92 ± 0.13 | 26.89 | 5.74 | 1.08 | 20.37 |
| i′ | 24.50 ± 0.02 | 2.14 ± 0.48 | 0.80 ± 0.12 | 26.87 | 5.67 | 1.29 | 20.30 | |||
Notes.rint and rext denote the internal and external radii considered to perform the fits. In the case of the last object in the list, which displays two components in its brightness profile, a combination of two Sérsic functions was fitted to the entire profile (see text).
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