Free Access
Table 2
SMA observational parameters
| Parameter | Value |
|
|
|
| Configurations | 3 × compact and |
| 1 × subcompact | |
| Primary beam HPBW (arcsec) | 55 |
| Grid spacing (arcsec) | 25 |
| Synthesized beam HPBW (arcsec) | 3.0 |
| Equivalent frequency (GHz) | 225 |
| Total continuum bandwidth (GHz) | 3.6 |
| Projected base line range (kλ) | 5.1–56.0 |
| Maximum detectable structure (arcsec)a | 32 |
| Gain calibrators | 0530+135, 0541-056 |
| and 0607-085 | |
| Bandpass calibrator | 3C 454.3 and 3C 273 |
| Flux calibrators | Uranus |
| rms noise level (mJy beam-1) | ~11 |
Notes.
(a)
Our observations were insensitive to more extended emission than this size-scale structure at the 10% level (Wilner & Welch 1994).
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.