Table 1
ALMA Band 7 observations and detected molecular lines in the HD 97048 protoplanetary disk.
| Observations | Cycle 0 (2011.0.00863.S) | Cycle 2 (2013.1.00658.S) | ||||
| Date observed | 14 December 2012 | 22 May 2015 | ||||
| Baselines (m) | 15.1–402 | 21.4–555.5 | ||||
| On source integration time (min,sec) | 23, 59 | 7, 10 | ||||
| Number of antenna | 22 | 36 | ||||
| CLEAN image weighting | Natural | |||||
| Molecule | CO | H13CO+ | HC15N | CO | HCO+ | |
| Transition | J = 3−2 | J = 4−3 | J = 4−3 | J = 3−2 | J = 4−3 | |
| Frequency (GHz) | 345.796 | 346.998 | 344.200 | 345.796 | 356.734 | |
| Einstein A coefficient (s−1) | 2.497e-06 | 3.288e-03 | 1.879e-03 | 2.497e-06 | 3.627e-03 | |
| Eup(K) | 33.19 | 41.63 | 41.30 | 33.19 | 42.80 | |
| Synthesised beam | 0. ′′74 × 0. ′′51 | 0. ′′74 × 0. ′′51 | 0. ′′74 × 0. ′′52 | 0. ′′71 × 0. ′′44 | 0. ′′67 × 0. ′′42 | |
| Beam PA | −26° | − 26° | − 27° | −161° | − 161° | |
| Spectral resolution (km s−1) | 0.21 | 0.21 | 0.21 | 0.10 | 0.10 | |
| σ (Jy beam−1 per channel (a)) | 0.016 | 0.016 | 0.016 | 0.016 | 0.019 | |
Notes. The values for the line frequencies, Einstein A coefficients, and upper energy levels (Eup) are from the Leiden Atomic and Molecular Database: http://home.strw.leidenuniv.nl/~moldata/ (LAMDA; Schöier et al. 2005). (a) At the stated spectral resolution.
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.