Observed molecular transitions and line frequencies, telescope beam sizes and beam efficiencies for the EMIR and HERA receivers at the IRAM 30-m telescope.
| Transition . | Frequency (MHz) . | Beam size (arcsec) . | Beam eff. . |
|---|---|---|---|
| SiO J= 2→1 | 86846.96 | 28 | 0.81 |
| SiO J= 3→2 | 130268.61 | 19 | 0.74 |
| CO J= 2→1 | 230538.00 | 11 | 0.63 |
| 13CO J= 2→1 | 220398.68 | 11 | 0.52 |
| C18O J= 2→1 | 219560.36 | 11 | 0.52 |
| Transition . | Frequency (MHz) . | Beam size (arcsec) . | Beam eff. . |
|---|---|---|---|
| SiO J= 2→1 | 86846.96 | 28 | 0.81 |
| SiO J= 3→2 | 130268.61 | 19 | 0.74 |
| CO J= 2→1 | 230538.00 | 11 | 0.63 |
| 13CO J= 2→1 | 220398.68 | 11 | 0.52 |
| C18O J= 2→1 | 219560.36 | 11 | 0.52 |
Observed molecular transitions and line frequencies, telescope beam sizes and beam efficiencies for the EMIR and HERA receivers at the IRAM 30-m telescope.
| Transition . | Frequency (MHz) . | Beam size (arcsec) . | Beam eff. . |
|---|---|---|---|
| SiO J= 2→1 | 86846.96 | 28 | 0.81 |
| SiO J= 3→2 | 130268.61 | 19 | 0.74 |
| CO J= 2→1 | 230538.00 | 11 | 0.63 |
| 13CO J= 2→1 | 220398.68 | 11 | 0.52 |
| C18O J= 2→1 | 219560.36 | 11 | 0.52 |
| Transition . | Frequency (MHz) . | Beam size (arcsec) . | Beam eff. . |
|---|---|---|---|
| SiO J= 2→1 | 86846.96 | 28 | 0.81 |
| SiO J= 3→2 | 130268.61 | 19 | 0.74 |
| CO J= 2→1 | 230538.00 | 11 | 0.63 |
| 13CO J= 2→1 | 220398.68 | 11 | 0.52 |
| C18O J= 2→1 | 219560.36 | 11 | 0.52 |
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