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information_for_astronomers:rx:p170mm
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information_for_astronomers:rx:p170mm [2013/03/12 14:05] 127.0.0.1 external edit |
information_for_astronomers:rx:p170mm [2019/02/20 13:39] akraus |
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| ====== 17cm prime focus receiver, UBB (600-3000 MHz) ====== | ====== 17cm prime focus receiver, UBB (600-3000 MHz) ====== | ||
| - | This is a new ultra broad band (UBB) 2-channel system covering a range from 600 to 3000 MHz. Be aware that there is also a lot of RFI in this range. The system is mainly used for pulsar observations. | + | This is an ultra broad band (UBB) 2-channel system covering a range from 1200 to 3000 MHz. The band used to be |
| + | 0.6 - 3.0 GHz, but that was changed due to RFI issues. Be aware that there is still a lot of RFI in the current | ||
| + | frequency range. The system is mainly used for pulsar observations. | ||
| ==== Calibration Information ==== | ==== Calibration Information ==== | ||
| ^ 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 ^ | ||
| - | |0.85 |A+B |LCP+RCP |97.0 |48 |1.25 |38 |44 | | |930 |Sep 2012 | | + | |0.85 (not available any more) |A+B |2x lin |97.0 |48 |1.25 |38 |44 | | |930 |Sep 2012 | |
| - | |1.4 |A+B |LCP+RCP |188.0 |56 |1.25 |45 |44 | | |650 |Sep 2012 | | + | |1.4 |A+B |2x lin |188.0 |56 |1.25 |45 |44 | | |650 |Sep 2012 | |
| - | |2.35 |A+B |LCP+RCP |156.0 |53 |1.25 |42 |44 | | |400 |Sep 2012 | | + | |2.35 |A+B |2x lin |156.0 |53 |1.25 |42 |44 | | |400 |Sep 2012 | |
| ^ normalized Gain curve (G = A0 + A1·Elv + A2·Elv2)^^^ Observed in ^ confirmed ^ | ^ normalized Gain curve (G = A0 + A1·Elv + A2·Elv2)^^^ Observed in ^ confirmed ^ | ||
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| **Comments:** | **Comments:** | ||
| - | * New receiver, from 2012, preliminary data - more testing needed! | + | * Receiver has been modified in 2016 due to RFI issues. The frequency range was originally 0.6 - 3.0 GHz, now the lower band edge is as 1.2 GHz. |
| ==== Version description for OBSINP ==== | ==== Version description for OBSINP ==== | ||
| ^ RX Name ^ Wavelength [cm] ^ Frequency (center) [GHz] ^ Nr. of Horns ^ | ^ RX Name ^ Wavelength [cm] ^ Frequency (center) [GHz] ^ Nr. of Horns ^ | ||
| - | | **P170mm UBB (0.6-3 GHz) ** | 50.0-10.0 | 0.6-3.0 (1.8) | 1 | | + | | **P170mm UBB (1.2-3 GHz) ** | 25.0-10.0 | 1.2-3.0 (1.8) | 1 | |
| | **Version:** | **Comment** ||| | | **Version:** | **Comment** ||| | ||
| |1. Continuum/Line | Continuum and spectroscopy version ||| | |1. Continuum/Line | Continuum and spectroscopy version ||| | ||
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| TP: total power | TP: total power | ||
| - | ^ P170mm UBB (0.6-3 GHz) ^^^^ | + | ^ P170mm UBB (1.2-3 GHz) ^^^^ |
| ^ Channel ^ IF ^ Pol. ^ Comment ^ | ^ Channel ^ IF ^ Pol. ^ Comment ^ | ||
| | 1 | optical | LCP | TP A | | | 1 | optical | LCP | TP A | | ||
information_for_astronomers/rx/p170mm.txt · Last modified: 2024/01/17 18:36 by akraus
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