Open Access
Table 1.
Parameters of Circinus galaxy.
| Reference | |||
|---|---|---|---|
| Central position | α, δ (J2000) | 14h13m10 2, −65°20′20″ |
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).
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.