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Table 2.
H I properties of LSB-D.
| Parameter | Value |
|---|---|
| Right Ascension [J2000] | 04h23m26s |
| Declination [J2000] | −55d16m29s |
| D [Mpc] | 17.69 |
| H I systemic velocity [radio, km s−1] | 1214 |
| Total flux density [mJy km s−1] | 22.9 ± 10% |
 [M⊙] |
1.68 × 106 |
| Mbar [M⊙] | 4.68 × 106 |
| vrot [km s−1] | 9.0 ± 3.5 |
| σH I( † ) [km s−1] | 3 ± 1.4 |
| PA (H I disk position angle, °) | 141 ± 5 |
| i (H I disk inclination, °) | 50 ± 15 |
| a/2 (H I semi-major axis) [kpc] | 1.4 ± 0.8 |
| b/2 (H I semi-minor axis) [kpc] | 0.94 ± 0.8 |
| fgas (gas fraction) | 0.48 |
Notes. ( † ): average value across the H I disk, in the centre σ = 5.5 ± 1 km s−1.
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