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This is a 4-horn system for sensitive continuum measurement, polarimetry, VLBI, and pulsar observations.
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 |
---|---|---|---|---|---|---|---|---|---|---|---|
10.45 | A (BB) | LCP | 7.5 | 51 | 1.35 | 38 | 47 | 2.4 | 56 | 68 | Jul 2008 |
10.45 | B (BB) | RCP | 7.5 | 53 | 1.35 | 40 | 46 | 2.4 | 57 | 68 | Jul 2008 |
normalized Gain curve (G = A0 + A1·Elv + A2·Elv2) | Observed in | confirmed | ||
---|---|---|---|---|
A0 = 0.99000 | A1 = 8.2490e-04 | A2 =-1.7433e-05 | Feb 2007 | Dec 2012 |
Comments:
RX Name | Wavelength [cm] | Frequency (center) [GHz] | Nr. of Horns |
---|---|---|---|
S28mm 4-beam | 2.8 | 10.3-10.6 (10.45) | 4 |
Version: | Comment | ||
1. Continuum/Line (BW: 300 MHz) | Continuum/Spectroscopy + Polarimeter | ||
2. Pulsar (BW: 100 MHz) | Pulsar narrow band | ||
Horn offsets [arcsec] | Horn 1: 0.0,-450.0, 2: 186.0,-450.0, 3: -825.0,-450.0, 4: -535.0,-450.0 |
2.8cm SFK multi horn receiver with polarimeter, 4 horns | |||
---|---|---|---|
Module 1 (2 horns) and Module 2 (2 horns) | |||
Channel | IF | Pol. | Comment |
1 | BB | LCP | M1, Horn 1, TP A |
2 | BB | RCP | M1, Horn 1, TP B |
3 | BB | cross | M1, Horn 1, cos AB |
4 | BB | cross | M1, Horn 1, sin AB |
5 | BB | LCP | M1, Horn 2, TP A |
6 | BB | RCP | M1, Horn 2, TP B |
7 | BB | cross | M1, Horn 2, cos AB |
8 | BB | cross | M1, Horn 2, sin AB |
9 | BB | LCP | M2, Horn 3, TP A |
10 | BB | RCP | M2, Horn 3, TP B |
11 | BB | cross | M2, Horn 3, cos AB |
12 | BB | cross | M2, Horn 3, sin AB |
13 | BB | LCP | M2, Horn 4, TP A |
14 | BB | RCP | M2, Horn 4, TP B |
15 | BB | cross | M2, Horn 4, cos AB |
16 | BB | cross | M2, Horn 4, sin AB |
BW | nchan | nu | Df | Dv | dv |
---|---|---|---|---|---|
MHz | MHz | kHz | km/s | km/s | |
100 | 32768 | 10300 | 3.1 | 0.089 | 0.103 |
100 | 32768 | 10400 | 3.1 | 0.088 | 0.102 |
100 | 32768 | 10500 | 3.1 | 0.087 | 0.101 |
100 | 32768 | 10600 | 3.1 | 0.086 | 0.100 |
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)
TODO