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information_for_astronomers:rx:p50mm [2013/03/12 14:05] 127.0.0.1 external edit |
information_for_astronomers:rx:p50mm [2014/01/28 14:09] (current) bwinkel [Tcal and Tsys measurements] |
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| 1 | SB | LCP | TP A | | | 1 | SB | LCP | TP A | | ||
| 2 | SB | RCP | TP B | | | 2 | SB | RCP | TP B | | ||
+ | |||
+ | ==== Spectroscopy modes and resolution ==== | ||
+ | ^ BW ^ nchan ^ nu ^ Df ^ Dv ^ dv ^ | ||
+ | ^ MHz ^ ^ MHz ^ kHz ^ km/s ^ km/s ^ | ||
+ | | 100 | 32768 | 5800 | 3.1 | 0.158 | 0.183 | | ||
+ | | 100 | 32768 | 6000 | 3.1 | 0.152 | 0.177 | | ||
+ | | 100 | 32768 | 6200 | 3.1 | 0.148 | 0.171 | | ||
+ | | 100 | 32768 | 6400 | 3.1 | 0.143 | 0.166 | | ||
+ | | 100 | 32768 | 6600 | 3.1 | 0.139 | 0.161 | | ||
+ | | 500 | 32768 | 5800 | 15.3 | 0.789 | 0.915 | | ||
+ | | 500 | 32768 | 6000 | 15.3 | 0.762 | 0.884 | | ||
+ | | 500 | 32768 | 6200 | 15.3 | 0.738 | 0.856 | | ||
+ | | 500 | 32768 | 6400 | 15.3 | 0.715 | 0.829 | | ||
+ | | 500 | 32768 | 6600 | 15.3 | 0.693 | 0.804 | | ||
+ | |||
+ | BW ... band width\\ | ||
+ | nchan ... number of spectral channels\\ | ||
+ | nu ... center frequency\\ | ||
+ | Df ... Channel separation (in frequency)\\ | ||
+ | Dv ... Channel separation (in velocity)\\ | ||
+ | dv ... Velocity resolution (dv=1.16*Dv) | ||
==== Tcal and Tsys measurements ==== | ==== Tcal and Tsys measurements ==== | ||
- | {{:information_for_astronomers:rx:p50mm-xffts-tcal.png?900|Tcal}} | + | === Januar 2014 === |
- | {{:information_for_astronomers:rx:p50mm-xffts-tsys.png?900|Tsys}} | + | == Tcal and Tsys == |
+ | {{:information_for_astronomers:rx:p50mmjan2014_ngc7027_tcal_from_specpointing_using_tau_spec.png?365 |}} | ||
+ | {{:information_for_astronomers:rx:p50mmjan2014_ngc7027_tsys0_from_specpointing_using_tau_spec.png?365 |}} | ||
+ | == Opacity and beam width == | ||
+ | {{:information_for_astronomers:rx:p50mmjan2014_ngc7027_tau_from_specpointing_using_tau_spec.png?365 |}} | ||
+ | {{:information_for_astronomers:rx:p50mmjan2014_ngc7027_hpbw_from_specpointing.png?365 |}} | ||
- | {{:information_for_astronomers:rx:p50mm-xffts-trms.png?900|Tsys}} | ||