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information_for_astronomers:rx:s45mm
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information_for_astronomers:rx:s45mm [2022/08/11 11:15] akraus [Calibration Information] |
information_for_astronomers:rx:s45mm [2024/11/29 12:25] (current) akraus |
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| - | ====== 4.5cm broad band C/X secondary focus receiver (4000-9300 MHz) ====== | + | ====== S45mm - 4.5cm broad band C/X secondary focus receiver (4000-9300 MHz) ====== |
| This is a broad-band receiver with two orthogonal linear polarizations (at a 45°-angle with the horizon). The receiver (in most setups simultaneously) delivers 4 basebands (each with two polarizations): | This is a broad-band receiver with two orthogonal linear polarizations (at a 45°-angle with the horizon). The receiver (in most setups simultaneously) delivers 4 basebands (each with two polarizations): | ||
| - | ^Baseband^Center Frequency^Bandwidth^Comment^ | + | ==== Overview ==== |
| - | |1|5.250 GHz| 2500 MHz| beware of strong RFI at frequencies < 4.5 GHz!| | + | |
| - | |2|6.750 GHz| 2500 MHz| | | + | ^ RX Name ^ [[information_for_astronomers:rx:bands|Band]] ^ Frequency range [GHz] ^ Polarisation^Nr. of Horns ^Horn position relativ to center of focus cabin^ |
| - | |3|6.668 GHz| 200 MHz| for methanol observations| | + | | **S45mm** | C / X| 4.0-9.3 | dual-linear |1 | Az: xx, arcsec, Elv: xx arcsec| |
| - | |4|4.829 GHz| 200 MHz| for formaldehyde observations| | + | |
| ==== Calibration Information ==== | ==== Calibration Information ==== | ||
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| **Comments:** | **Comments:** | ||
| * The gain curve was corrected for opacity (though it is small, < 0.02 throughout the band). | * The gain curve was corrected for opacity (though it is small, < 0.02 throughout the band). | ||
| + | * See the table below for the list of basebands. | ||
| + | ^Baseband^Center Frequency^Bandwidth^Comment^ | ||
| + | |1|5.250 GHz| 2500 MHz| beware of strong RFI at frequencies < 4.5 GHz!| | ||
| + | |2|6.750 GHz| 2500 MHz| | | ||
| + | |3|6.668 GHz| 200 MHz| for methanol observations| | ||
| + | |4|4.829 GHz| 200 MHz| for formaldehyde observations| | ||
| - | ==== Version description for OBSINP ==== | + | ==== Available receiver versions (for OBSINP) - currently being updated ==== |
| + | ^Version^Description^Details^ | ||
| + | |BB_continuum|standard continuum backend with internal polarimeter|bandwidth 500 MHz| | ||
| + | |EDDPOL_MULTIFIBA | spectro-polarimeter backend | | | ||
| - | ==== Channel assignment in the MBFITS data files ==== | + | **Below here: Information is currently updated.** |
| ==== Spectroscopy modes and resolution ==== | ==== Spectroscopy modes and resolution ==== | ||
information_for_astronomers/rx/s45mm.1660209343.txt.gz · Last modified: 2022/08/11 11:15 by akraus
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