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information_for_astronomers:rx:p13mm
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information_for_astronomers:rx:p13mm [2013/03/12 14:09] 127.0.0.1 external edit |
information_for_astronomers:rx:p13mm [2013/12/17 21:07] (current) bwinkel [Tcal and Tsys measurements] |
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| | 5 | VLBA | cross | cos AB | | | 5 | VLBA | cross | cos AB | | ||
| | 6 | VLBA | cross | sin AB | | | 6 | VLBA | cross | sin AB | | ||
| + | |||
| + | ==== Spectroscopy modes and resolution ==== | ||
| + | ^ BW ^ nchan ^ nu ^ Df ^ Dv ^ dv ^ | ||
| + | ^ MHz ^ ^ MHz ^ kHz ^ km/s ^ km/s ^ | ||
| + | | 100 | 32768 | 18000 | 3.1 | 0.051 | 0.059 | | ||
| + | | 100 | 32768 | 20000 | 3.1 | 0.046 | 0.053 | | ||
| + | | 100 | 32768 | 22000 | 3.1 | 0.042 | 0.048 | | ||
| + | | 100 | 32768 | 24000 | 3.1 | 0.038 | 0.044 | | ||
| + | | 100 | 32768 | 26000 | 3.1 | 0.035 | 0.041 | | ||
| + | | 500 | 32768 | 18000 | 15.3 | 0.254 | 0.295 | | ||
| + | | 500 | 32768 | 20000 | 15.3 | 0.229 | 0.265 | | ||
| + | | 500 | 32768 | 22000 | 15.3 | 0.208 | 0.241 | | ||
| + | | 500 | 32768 | 24000 | 15.3 | 0.191 | 0.221 | | ||
| + | | 500 | 32768 | 26000 | 15.3 | 0.176 | 0.204 | | ||
| + | | 2000 | 32768 | 18000 | 61.0 | 1.017 | 1.179 | | ||
| + | | 2000 | 32768 | 20000 | 61.0 | 0.915 | 1.061 | | ||
| + | | 2000 | 32768 | 22000 | 61.0 | 0.832 | 0.965 | | ||
| + | | 2000 | 32768 | 24000 | 61.0 | 0.762 | 0.884 | | ||
| + | | 2000 | 32768 | 26000 | 61.0 | 0.704 | 0.816 | | ||
| + | |||
| + | 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:p13mm-xffts-tcal.png?900|Tcal}} | ||
| - | {{:information_for_astronomers:rx:p13mm-xffts-tsys.png?900|Tsys}} | + | === December 2013 === |
| + | |||
| + | == Tcal and Tsys == | ||
| + | {{:information_for_astronomers:rx:p13mm_dec13_ngc7027_tcal_from_specpointing_using_tau_spec.png?365 |}} | ||
| + | {{:information_for_astronomers:rx:p13mm_dec13_ngc7027_tsys0_from_specpointing_using_tau_spec.png?365 |}} | ||
| + | == Opacity and beam width == | ||
| + | {{:information_for_astronomers:rx:p13mm_dec13_ngc7027_tau_from_specpointing_using_tau_spec.png?365 |}} | ||
| + | {{:information_for_astronomers:rx:p13mm_dec13_ngc7027_hpbw_from_specpointing.png?365 |}} | ||
| + | |||
| + | == Tcal and Tsys == | ||
| + | {{:information_for_astronomers:rx:p13mm_dec13_3c48_tcal_from_specpointing_using_tau_spec.png?365 |}} | ||
| + | {{:information_for_astronomers:rx:p13mm_dec13_3c48_tsys0_from_specpointing_using_tau_spec.png?365 |}} | ||
| + | == Opacity and beam width == | ||
| + | {{:information_for_astronomers:rx:p13mm_dec13_3c48_tau_from_specpointing_using_tau_spec.png?365 |}} | ||
| + | {{:information_for_astronomers:rx:p13mm_dec13_3c48_hpbw_from_specpointing.png?365 |}} | ||
| - | {{:information_for_astronomers:rx:p13mm-xffts-trms.png?900|Tsys}} | + | === March 2013 === |
| + | == Tcal and Tsys == | ||
| + | {{:information_for_astronomers:rx:p13mm_tcal_from_specpointing_using_tau_spec.png?365 |}} | ||
| + | {{:information_for_astronomers:rx:p13mm_tsys0_from_specpointing_using_tau_spec.png?365 |}} | ||
| + | == Opacity and beam width == | ||
| + | {{:information_for_astronomers:rx:p13mm_tau_from_specpointing_using_tau_spec.png?365 |}} | ||
| + | {{:information_for_astronomers:rx:p13mm_hpbw_from_specpointing.png?365 |}} | ||
information_for_astronomers/rx/p13mm.1363093786.txt.gz · Last modified: 2013/09/30 11:48 (external edit)
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