Free Access

Table 1

Summary of the observations.

SMA
Centre of the map
Beam size , PA 16°
Central frequency 217 104.980 MHz
Velocity resolution 2 km s-1
Bandwidth 2 GHz

APEX
Centre of the map
Beam size 305
Central frequencya 217 104.9800 MHz, 347 330.5786 MHz
Velocity resolutiona 0.3 km s-1, 0.2 km s-1
Bandwidth 1 GHz

Notes.

(a)

for SiO(5−4) and (8–7), respectively.

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.