Table of Contents
v255b
Correlation notes
ATCA reference station is W104 (CA04).
Correlation: continuum - 256 spectral channels per 16 MHz subband.
Maser targets G9.62 and G8.68 were observed (interleaved with phase calibrators) in the time ranges UT 05:57:30 - 10:12:00, 13:25:00 - 14:36:00, 15:24:40 - 16:28:20. Output dataset has 2048 spectral channels across the 2 MHz frequency range 6667 - 6669 MHz.
Integration time: 2 seconds for all files. No cross-pols.
The two masers are strong and so should be visible at frequencies of 6668.3 and 6667.4 MHz for G9.62 and G8.68 respectively (with the first about a factor of 30 or more stronger than the second).
Output files:
| File name | Description |
|---|---|
| 1. v255b.0215-0557.rpf | UT time range 0215-0557. 4 IFs, 1 pol, 256 chans per 16 MHz IF |
| 2. v255b.1436-1524.rpf | UT time range 1436-1524. 4 IFs, 1 pol, 256 chans per 16 MHz IF |
| 3. v255b.G8.68.rpf | 1st maser target: dual pol, 2048 channels across 6667-6669 MHz |
| 4. v255b.G9.62.rpf | 2nd maser target: dual pol, 2048 channels across 6667-6669 MHz |
| 5. v255b.1105-1120.fullres.rpf | 15 mins on calibrators with 2048 channels across 6667-6669 MHz |
| 6. v255b.0557.ctm.rpf | 2 IFs (IF3, IF4) dual pol, 256 chans per 16 MHz IF (all sources incl. maser targets) |
| 7. v255b.1524.ctm.rpf | 2 IFs (IF3,IF4) dual pol, 256 chans per 16 MHz IF |
Analysis notes and links to plots
Verified by: Aquib
Date: May 13, 2009
File-1:
Amplitude and Phase against time
Amplitude and Phase against frequency
Comments: The data looks Ok
File-2:
Comments: Bandpass looks alright
Amplitude and Phase against time
Amplitude and Phase against frequency
Comments: Ceduna data lost after 14:36UT due to error in correlation
File-3:
Comments: The bandpass plots require some further analysis
Amplitude and Phase against time
Amplitude and Phase against frequency
File-4:
Comments: Parkes autocorrelation bandpass looks unusual
Amplitude and Phase against time
Amplitude and Phase against frequency
File-6:
Amplitude and Phase against time
Amplitude and Phase against frequency
Plots of Amplitude and Phase against frequency with fringe-fitted solutions applied
Plots of Amplitude and Phase against time with fringe-fitted solutions applied
File-7:
Comments: There seems to be an unusual dip in Parkes bandpass?
Amplitude and Phase against time
Comments: Zero amplitude for some of the baselines e.g. Pks - Cd, Pks - Ho and some others
Amplitude and Phase against frequency
Comments: Same dip observed in baselines to Parkes
