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Useful information for observations
Contents
List of Astronomical Target
1. Planets and Asteroids
Mars, Uranus, Neptune for photometric calibration (primary calibrators) and beam maps.
(Venus, Jupiter, Saturn) too hot too big
Name |
Right Ascension |
Declination |
Diam (arcsec) |
Flux @ 1.15 mm Jy |
Flux @ 2.00 mm |
TB K |
MARS |
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URANUS |
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NEPTUNE |
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BELOW IS JUST A COPY FROM NIKA RUN 7, NEED EDITING
Here are the ephemeris for all planets The near and far sidelobes could be measured with Jupiter and Saturn.
2. Usual bright quasars, secondary calibrators and strong galactic sources (end of the list is dedicated to polarisation)
- for image quality, linearity checks, and pointing sessions
Here is IRAM old published report: Secondary Calibrators Lisenfeld report, and, more recent list updated till the end of the MAMBO pool in 2010: Secondary Calibrators MAMBO pool database.
3. Weak Galactic sources
- for photometric calibration checks
4. External extended galaxies
- for Science demonstration (mapping)
5. High redshift sources
- for Science demonstration (sensitivity)
Here is the full detailed formatted list Full list with fluxes.
Here is the catalog for Pako has to be RENAMED to NIKA2014R7.sou on the pako computer.
Here is a list of IRAM pointing sources with fluxes at 3mm and 2mm (I miss fluxes at 1mm, SL) FluxForPointingSources
Interface with the telescope: Pako
Short manual on useful "Pako for Nika" see on Granada computers on the NIKA directory Pako_helpv17.txt
- Pako scripts are in the Pako subdirectory
- Before starting the pointing session, we may be requested to move the azimuth by 60deg to reset the inclinometer of the az axis.
- Always stay at more that 1 deg from the Sun. There are internal safeties that prevent the antenna to point to the Sun, but we may not get error messages.
- try to get sources uniformly distributed on the sky, hence give priority to high elevation sources that are usually harder to reach.
- Do one focus at the beginning. No need to do more focus than one every 2-3hours.
The antenna can point between 60 and 460 degrees in azimuth, between 20 and 80 degrees in elevation.
- If a source is available both at low and high azimuth, use command SET TOPO LOW (or SET TOPO HIGH) to stay on the source without moving.
- The minimum number of sources to observe for the pointing model is 15. 30 is good enough.
- the pointing sources should be observed on 'short' period, e.g. 3-4 hours to avoid daily pointing variations