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information_for_astronomers:rx:p170mm

P170mm - ultra broad-band prime focus receiver (1300-6000 MHz)

This is an ultra broad band (UBB) 2-channel system covering a range from 1300 to 6000 MHz.

Overview

RX Name Band Frequency range [GHz] PolarisationNr. of Horns Horn position relativ to center of focus cabin
P170mm L/S/C 1.3-6.0 dual-linear 1 Az: 0 arcsec, Elv: 0 arcsec

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
1.41 A+B 2x lin 5.7 19.8 1.3 15.2 46 1.90 68 569 first observations
1.665A+B 2x lin 6.7 20.6 1.3 15.8 46 1.78 73 497 first observations
2.35 A+B 2x lin 8.8 16.1 1.3 12.4 46 1.68 77 363 first observations
3.35 A+B 2x lin 11.016.5 1.3 12.7 46 1.66 78 256 first observations
4.85 A+B 2x lin 12.518.8 1.3 14.5 46 1.71 76 174 first observations
5.54 A+B 2x lin 11.619.0 1.3 14.6 46 1.64 79 156 first observations
normalized Gain curve (G = A0 + A1·Elv + A2·Elv2) Observed in confirmed
A0 = 1.0A1 = 0.0A2 = 0.0

Comments:

  • The system delivers two basebands, 1.3-2.6 GHz and 3.0-6.0 GHz. Currently, it is only possible to record both bands in parallel for pulsar observations (timing and search mode), but not yet for continuum or spectroscopic observations.
  • Usable / useful continuum bands are e.g. 1.405-1.415 GHz, 1.66-1.67 GHz, 4.7-5.0 GHz, 5.3-5.6 GHz.

Available receiver versions (for OBSINP)

VersionDescriptionDetails
EDDPOL spectro-polarimeter backend for continuum observations in the lower bandwith 64k channels
EDDPOL3G spectro-polarimeter backend for continuum observations in the upper bandwith 64k channels
EDD_PULSAR_TIMING pulsar folding mode observations coherent dedispersion, configurable channels and subints
EDD_PULSAR_SEARCH pulsar search mode observations coherent filterbank, configurable channels and time samples (down to 32$\mu$s)
information_for_astronomers/rx/p170mm.txt · Last modified: 2025/06/04 18:19 by akraus