Instrumentation Overview

The WHSF Spectrometer

Updated on February 20, 2015

Specifications

The WHSF is an FX-type spectrometer. Two observing modes, i.e., 4,096 MHz width mode and 2,048 MHz width mode, are available. See Table 1 for a summary of the correlator specification. If you have any questions about the WHSF, please contact the helpdesk.

Table 1. Specification of the WHSF spectrometer.
Instrument Type # of IF IF Freq.
(MHz)
Bandwidth
(MHz)
Nchan Spectral
resolution
Velocity
resolution
at 350 GHz
Velocity
coverage
at 350 GHz
WHSF FX 4 4096-6144 2048 2048 1.0 MHz 0.86km/s 1750 km/s
2 4096-8192 4096 2.0 MHz 1.7 km/s 3500 km/s
Table 2. Available IF Configurations of the WHSF.
Bandwidth
(MHz)
# of IF IF#1 IF#2 IF#3 IF#4
2048 4 P0USB P1LSB P1USB P0LSB
P0USB P0USB P0LSB P0LSB
P1LSB P1LSB P1USB P1USB
4096 2 P0USB P0LSB N/A N/A
P1LSB P1USB N/A N/A