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information_for_astronomers:rx:p500mm
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information_for_astronomers:rx:p500mm [2020/07/29 15:41] akraus |
information_for_astronomers:rx:p500mm [2024/09/09 08:52] (current) akraus |
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| - | ====== 50cm prime focus receiver (300-900 MHz) ====== | + | ====== P500 - 50cm prime focus receiver (300-900 MHz) ====== |
| - | This is a wide band 2-channel system covering a range from 300 to 900 MHz. The system can be used for continuum, pulsar and VLBI observations. | + | This is a wide band 2-channel system covering a range from 300 to 900 MHz. The system can be used for continuum, pulsar and VLBI observations.\\ |
| - | + | Obviously, there is a lot of RFI in this band. Therefore, some frequency ranges have been blanked out | |
| - | Be aware that there is also a lot of RFI in this band. Therefore, some frequency ranges have been blanked out | + | |
| by filters. Available frequencies are 300 - 505 MHz, 608 - 685 MHz, and 790 - 915 MHz. | by filters. Available frequencies are 300 - 505 MHz, 608 - 685 MHz, and 790 - 915 MHz. | ||
| + | |||
| + | ==== Overview ==== | ||
| + | |||
| + | ^ RX Name ^ [[information_for_astronomers:rx:bands|Band]] ^ Frequency range [GHz] ^ Polarisation^Nr. of Horns ^Horn position relativ to center of focus cabin^ | ||
| + | | **P500mm** | UHF | 0.3-0.9 | dual-circular| 1 | Az: 0 arcsec, Elv: 0 arcsec| | ||
| + | |||
| ==== Calibration Information ==== | ==== Calibration Information ==== | ||
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| ^ Frequency [GHz] ^ Channel ^ Polarisation ^ Tcal [K] ^ Tsys [K] ^ Sensitivity [K/Jy] ^ SEFD [Jy] ^ Aperture Eff. [%] ^ TMB/S [K/Jy] ^ Main Beam Eff. [%] ^ FWHM [arcsec] ^ Last update ^ | ^ Frequency [GHz] ^ Channel ^ Polarisation ^ Tcal [K] ^ Tsys [K] ^ Sensitivity [K/Jy] ^ SEFD [Jy] ^ Aperture Eff. [%] ^ TMB/S [K/Jy] ^ Main Beam Eff. [%] ^ FWHM [arcsec] ^ Last update ^ | ||
| - | |0.61 |A |LCP |12.5 |320 |1.3 |246 |45.8 | | |1600 |May 2011 | | + | |0.611 |A |LCP |12.8 |495 |1.1 |450 |39 |1.5 |72 |1482 |Sep 2021 | |
| ^ normalized Gain curve (G = A0 + A1·Elv + A2·Elv2)^^^ Observed in ^ confirmed ^ | ^ normalized Gain curve (G = A0 + A1·Elv + A2·Elv2)^^^ Observed in ^ confirmed ^ | ||
| |A0 = 1.0|A1 = 0.0|A2 = 0.0|May 2011| | | |A0 = 1.0|A1 = 0.0|A2 = 0.0|May 2011| | | ||
| - | **Comments:** | + | **Comments:** There is a lot of RFI in this band. Narrow bandwidths should be used for observations. Please contact staff, if interested. |
| - | * Preliminary data - more testing needed! | + | |
| + | |||
| + | ** Below: Information is currently being updated.** | ||
| ==== Version description for OBSINP ==== | ==== Version description for OBSINP ==== | ||
information_for_astronomers/rx/p500mm.1596030112.txt.gz · Last modified: 2020/07/29 15:41 by akraus
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