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information_for_astronomers:rx:s60mm
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information_for_astronomers:rx:s60mm [2022/09/16 09:14] akraus |
information_for_astronomers:rx:s60mm [2025/05/28 16:50] (current) akraus |
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| ====== 6-cm secondary focus receiver (4600-5100 MHz) ====== | ====== 6-cm secondary focus receiver (4600-5100 MHz) ====== | ||
| - | This is a 4-channel 2-horn system for sensitive continuum, polarimetry, VLBI, and pulsar observations. | + | This is a 4-channel system for sensitive continuum, polarimetry, VLBI, and pulsar observations. |
| + | |||
| + | ==== Overview ==== | ||
| + | |||
| + | ^ RX Name ^ [[information_for_astronomers:rx:bands|Band]] ^ Frequency range [GHz] ^ Polarisation^Nr. of Horns ^Horn position relativ to center of focus cabin^ | ||
| + | | **S60mm** | C | 4.6-5.1 | dual-circular| 1 | Az: 236.6, arcsec, Elv: -1336.0 arcsec| | ||
| ==== Calibration Information ==== | ==== Calibration Information ==== | ||
| Line 9: | Line 15: | ||
| ^ 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 = 0.9769|A1 = 1.253E-3|A2 = -1.701E-5|Aug 2019|2022 | | + | |A0 = 0.9870|A1 = 8.692E-4|A2 = -1.453E-5|Aug 2023|May 2025 | |
| **Comments:** | **Comments:** | ||
| * The values for LCP and RCP do not differ significantly. | * The values for LCP and RCP do not differ significantly. | ||
| * The opacity is usually very small. Typical zenith tau values are < 0.01. | * The opacity is usually very small. Typical zenith tau values are < 0.01. | ||
| + | |||
| + | ==== Available receiver versions (for OBSINP) ==== | ||
| + | |||
| + | ^Version^Description^Details^ | ||
| + | |BB_continuum|standard continuum backend with internal polarimeter|bandwidth 500 MHz| | ||
| + | |EDDPOL_MULTIFIBA | spectro-polarimeter backend | | | ||
| + | |||
| + | |||
| + | **Below here: Information is currently updated.** | ||
| + | |||
| ==== 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 ^ | ||
| - | | **S60mm Double Beam** | 6 | 4.6-5.1 (4.85) | 2 | | + | | **S60mm Double Beam** | 6 | 4.6-5.1 (4.85) | 1 | |
| | **Version:** | **Comment** ||| | | **Version:** | **Comment** ||| | ||
| |1. Continuum (BW: 500 MHz) | Broad Band Continuum + Polarimeter ||| | |1. Continuum (BW: 500 MHz) | Broad Band Continuum + Polarimeter ||| | ||
information_for_astronomers/rx/s60mm.1663312441.txt.gz · Last modified: 2022/09/16 09:14 by akraus
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