VLBI Sensitivity Simulator
Select Antennas
VLBA
τ
el
min
St. Croix
Hancock
North Liberty
Fort Davis
Los Alamos
Pietown
Kitt Peak
Owens Valley
Brewster
Mauna Kea
VLBA Trx multiplier
.
US Large Apertures
GBT
VLA 25m x
1
3
21
22
23
24
25
26
27
Goldstone 70m
EVN West
τ
el
min
Simeiz 22m
Metsahovi 14m
Onsala 20m
Medicina 32m (21.76 GHz min)
Noto 32m (22.16 GHz min)
Jodrell 25m
Cambridge 32m
.
European Large Apertures
Effelsberg 100m
Cass.
Prime
Robledo 70m
.
EVN East
Urumqi 25m
Shanghai 25m
ATLBA
τ
el
min
Tidbinbilla 70m
Ceduna 30m
Parkes 64m
Hobart 26m
ATCA 5x22m
Mopra 22m
Do not reference to outside the atmosphere
(ie. *exp(-τ*secz))
Generate UV data, image and measure RMS:
Time
Elevation limits:
use antenna defaults
10 degrees
20 degrees
30 degrees
Hour angle range at longitude
o
:
hrs to
hrs
Source Coordinates
Source declination:
o
'
''
Duty Cycle
100% for the time being
Frequency
Observing frequency:
22 GHz
Sensitivity will be calculated for a bandwidth of 8 MHz. A future version will include 16 MHz, 250 kHz (3.2 km/s) & 62.5 kHz (0.8 km/s).
Imaging Options
Image size:
512x512
UV gaussian tapper:
No taper
image plane FWHM (arcseconds)
uv plane FWHM (kilowavelengths)
FWHM
UV density weighting:
Uniform
Natural
Robust
Robustness parameter
UV SNR weighting:
1 / integration time
1 / noise variance
Generate UV data, image and measure RMS:
Last modified: 27 May 2006.
Comments or Questions? Contact
dmitchell@cfa.harvard.edu