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Table 1
Observed lines and corresponding telescope parameters for the APEX and SOFIA observations of BHR71.
| Species | 12CO | 12CO | 12CO | 12CO | 12CO | 12CO | 13CO |
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| Line | (3–2) | (4–3) | (6–5) | (7–6) | (11–10) | (16–15) | (3–2) |
| Telescope | APEX | APEX | APEX | APEX | SOFIA | SOFIA | APEX |
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| ν (GHz) | 345.796 | 461.041 | 691.473 | 806.652 | 1267.014 | 1841.346 | 330.588 |
| FWHM (′′) | 18.1 | 13.5 | 9.0 | 7.7 | 24 | 16.3 | 18.9 |
| Sampling (′′) | 6 | 6 | 4 | 4 | pointed | pointed | 6 |
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| Receiver | FLASH345 | FLASH460 | CHAMP+ | CHAMP+ | GREAT | GREAT | FLASH345 |
| Observing days | 2013-06-03 | 2013-06-03 | 2013-06-04 | 2013-06-04 | 2013-07-23 | 2013-07-23 | 2013-06-03 |
| 2013-06-04 | 2013-06-04 | 2014-06-28 | 2014-06-28 | 2013-07-23 | 2013-07-23 | 2013-06-04 | |
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| Feff | 0.95 | 0.95 | 0.95 | 0.95 | 0.97 | 0.97 | 0.95 |
| Beff | 0.69 | 0.60 | 0.42 | 0.35 | 0.67 | 0.67 | 0.69 |
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| Tsys (K) | 169−193 | 408−610 | 3650−10 000 | 12 000−34 000 | 3274–3307 | 3160–3207 | 182-224 |
| Δν (km s-1) | 0.331 | 0.496 | 0.635 | 0.544 | 0.018 | 0.012 | 0.346 |
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| Reference offset (′′) | (–120, 260) | (–120, 260) | (–120, 260) | (–120, 260) | beamswitch | beamswitch | (–120, 260) |
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