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information_for_astronomers:rx:s7mm [2013/03/12 14:10] 127.0.0.1 external edit |
information_for_astronomers:rx:s7mm [2016/05/12 09:57] (current) ubach [7mm secondary focus receiver (41600-44400 MHz)] |
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This is a 2-channel system for VLBI observations. The whole receiver was reconditioned in late 2012.\\ | This is a 2-channel system for VLBI observations. The whole receiver was reconditioned in late 2012.\\ | ||
- | A new double-horn system is under construction. It should become operational in 2014. | + | A new double-horn system is under construction. It should become operational in 2016. |
==== Calibration Information ==== | ==== Calibration Information ==== | ||
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| 9 | BB | LCP | TP A | | | 9 | BB | LCP | TP A | | ||
| 10 | BB | RCP | TP B | | | 10 | BB | RCP | TP B | | ||
+ | |||
+ | ==== Spectroscopy modes and resolution ==== | ||
+ | ^ BW ^ nchan ^ nu ^ Df ^ Dv ^ dv ^ | ||
+ | ^ MHz ^ ^ MHz ^ kHz ^ km/s ^ km/s ^ | ||
+ | | 100 | 32768 | 41500 | 3.1 | 0.022 | 0.026 | | ||
+ | | 100 | 32768 | 42500 | 3.1 | 0.022 | 0.025 | | ||
+ | | 100 | 32768 | 43500 | 3.1 | 0.021 | 0.024 | | ||
+ | | 100 | 32768 | 44500 | 3.1 | 0.021 | 0.024 | | ||
+ | | 500 | 32768 | 41500 | 15.3 | 0.110 | 0.128 | | ||
+ | | 500 | 32768 | 42500 | 15.3 | 0.108 | 0.125 | | ||
+ | | 500 | 32768 | 43500 | 15.3 | 0.105 | 0.122 | | ||
+ | | 500 | 32768 | 44500 | 15.3 | 0.103 | 0.119 | | ||
+ | |||
+ | 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 ==== | ||
- | TODO | + | |
+ | {{:information_for_astronomers:rx:s7mm_2015aug7_ngc7027_aatm_tsys0_from_specpointing_using_tau_spec.png?675|}} | ||
+ | |||
+ | {{:information_for_astronomers:rx:s7mm_2015aug7_ngc7027_aatm_tcal_from_specpointing_using_tau_spec.png?675|}} | ||
+ | |||
+ | {{:information_for_astronomers:rx:s7mm_2015aug7_ngc7027_aatm_tau_from_specpointing_using_tau_spec.png?675|}} | ||
+ | |||
+ | {{:information_for_astronomers:rx:s7mm_2015aug7_ngc7027_aatm_hpbw_from_specpointing.png?350|}} | ||
+ | {{:information_for_astronomers:rx:s7mm_2015aug7_ngc7027_aatm_taper_from_specpointing.png?350|}} | ||
+ | |||
+ | {{:information_for_astronomers:rx:s7mm_2015aug7_ngc7027_aatm_eta_from_specpointing.png?350|}} | ||
+ | {{:information_for_astronomers:rx:s7mm_2015aug7_ngc7027_aatm_etamb_from_specpointing.png?350|}} | ||
+ | |||
+ | {{:information_for_astronomers:rx:s7mm_2015aug7_ngc7027_aatm_gamma_from_specpointing.png?350|}} | ||
+ | {{:information_for_astronomers:rx:s7mm_2015aug7_ngc7027_aatm_gammamb_from_specpointing.png?350|}} | ||
+ | |||
+ | (No correction for angular size of NGC7027 was applied!) |