Open Access

Table 1

ALMA observation parameters for the Al-compounds in IK Tau and R Dor.

Species Chana Velb Beam σ rms
(MHz) (km s-1) (mas × mas, PA)c (mJy)

IK Tau

Continuum 15.2 × 103 180 × 160, 27° 0.047
AlCl 1.95 1.7 160 × 130, 43° 1.6
AlCl 5.9 5 200 × 160, 42° 1.4
AlOH 1.95 1.7 150 × 140, 22° 5.0
AlOH 5.9 5 190 × 170, 1° 2.4
AlO 1.95 1.7 160 × 130, 15° 5.0
AlO 5.9 5 190 × 170, 20° 2.6

R Dor

Continuum 11.6 × 103 150 × 140, –5° 0.047
AlCl 0.97 0.9 150 × 130, 20° 2.7
AlCl 2.5 2.2 180 × 180, 10° 1.4
AlOH 0.97 0.9 170 × 120, 48° 3.8
AlOH 2.5 2.2 200 × 160, 48° 2.4
AlO 0.97 0.9 160 × 130, 26° 4.0
AlO 2.5 2.2 190 × 160, 30° 1.8

Notes.

(a)

“Chan” is the channel width for the line cubes, or the total line-free bandwidth (spread between 335–362 GHz) for the continuum.

(b)

“Vel” is the spectral resolution of the image cube.

(c)

PA is the position angle measured from north to east.

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.