Open Access
Table 1.
Parameters of Circinus galaxy.
Reference | |||
---|---|---|---|
Central position | α, δ (J2000) | 14h13m10![]() |
1 |
l, b |
![]() ![]() |
1, 3 | |
Type | Sb | 1 | |
Distance | D | 4.0±0.8 Mpc | 1, 2 |
Optical extent at B25 |
![]() |
1 | |
H I extent ( * *) | 32′×15′ | 2 | |
Position angle | PAHI | 210 ° ±5° | 2 |
Inclination angle | iHI | 65 ° ±2° | 1 |
Systemic velocity | υsys | 439±2 km s−1 (H I) | 1 |
Heliocentric velocity | 380±47 km s−1 (optical) | 1 | |
Velocity width | Δυ20 | 290±10 km s−1 (H I) | 1 |
Rotation velocity | υrot | 152±7 km s−1 (H I) | 1 |
Far-infrared luminosity | LFIR | 6×109 L⊙ | 1 |
H I mass | MHI | 7.2±0.5×109 M⊙ | 2 |
9×109 M⊙ | 3 | ||
Total mass | Mtot | 1.2±0.2×1011 M⊙ | 1 |
Global star formation rate | SFR | 3−8 M⊙ yr−1 | 3 |
Notes. ( * *)The half width of the H I column density distribution after Gaussian correction.
References. [1] Jones et al. (1999); [2] Freeman et al. (1977); [3] For et al. (2012).
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