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l= Useful information for observations =
Back to the NIKA2 Run 7 main page
Go to the NIKA2 Run 6 main page
Go to the NIKA2 Run 5 main page
last edited by LP, 2-Dec-16, copy of the Run 6 page
Contents
List of Astronomical Targets for NIKA2 (from NIKA2R6.sou)
last edited by CK 1-Mar-2016, FXD 14-SEP-2016, JFMP 4-Dec-2016
For Run6 onward, there is the detailed list file which is converted to a source file in the pako directory as NIKA2R6.sou .
LST coverage created for 10-OCT-2016 [To Be Updated]
Planets planets
Strong Galactic sources Strong Gal. Sources
Strong pointing sources Strong Pointing Sources
Secondary Calibrators (from Lisenfeld+2000) Secondary_calibrators.pdf
From previous runs (created with nika2.astro for 10-Mar-2016):
Radio sources from IRAM catalog nika2-radio.pdf.
Planets, Asteroids, and Secondary Calibrators (from Lisenfeld+2000) nika2-secondaries.pdf
Strong Galactic sources nika2-galactic.pdf
Weak Galactic sources nika2-weak-galactic.pdf
Nearby galaxies nika2-nearby-galaxies.pdf
Distant galaxies or faint quasars nika2-distant.pdf
Details on planets and asteroids
Mars, Uranus and Neptune are well known primary calibrators for photometric calibration and for beam maps. Jupiter, Saturn can be used for the errorbeams or to map the satellites.
Rough fluxes from Gildas (as for the 7th of December FXD 2/12/2016
The following table gives only rough numbers for the fluxes. Note that some are varying in R.A./Dec, distance, flux and brightness temperature.
Name |
Right Ascension |
Declination |
Diam (arcsec) |
Flux @ 1.15 mm Jy |
Flux @ 2.00 mm |
TB K |
MERCURY |
18:26:20.1257 |
-25:34:41.740 |
6.15 x 6.15 |
643 |
215 |
450 |
VENUS |
20:09:54.7679 |
-22:31:24.149 |
17.63 x 17.63 |
5281 |
1768 |
350 |
MARS |
21:35:10.4344 |
-15:44:34.789 |
6.33 x 6.29 |
320.7 |
108.1 |
216.19 |
JUPITER |
13:07:45.6967 |
-05:53:57.603 |
33.29 x 31.13 |
|
|
170 |
SATURN |
17:10:26.8940 |
-21:38:30.313 |
15.00 x 13.39 |
|
|
150 |
URANUS |
01:17:39.2647 |
07:31:53.826 |
3.62 x 3.51 |
42.28 |
17.721 |
93 @1mm, 113 @2mm |
NEPTUNE |
22:44:55.5214 |
-08:52:09.05 |
2.23 x 2.17 |
16.101 |
6.749 |
93 @1mm, 113 @2mm (yes, same as Uranus) |
Accurate fluxes
For accurate fluxes, use the following predictions from recent planetary models:
- For Uranus and Neptune:
Download the ESA2 templates of the model of Moreno 2010 ("Neptune and Uranus planetary brightness temperature tabulation. Technical report, ESA Herschel Science Center).
Download the ESA4 templates of the models of Moreno and Orton described by Bendo et al. 2013 (Flux calibration of the Herschel-SPIRE photometer, MNRAS 433, 3062, 2013).
- For Mars:
Visit the web page of Emmanuel Lelloche. It will ask for the HPBW at 300 GHz which is ~8" at the 30m.
For asteroids, please check the information compiled here on the Pointing sources and calibrators wiki page by IH.
Fluxes of quasars used as pointing source
IRAM conducts several observatory programs at the 30-m Pico Veleta telescope to monitor the time variability of extragalactic continuum sources. A webpage dedicated to these flux monitoring programs has been created. The fluxes are mainly monitored at 3 and 2 mm, but there's also several 1 mm measurements.
NIKA Fluxes of faint sources
From Catalano et al. 2014
Name |
Right Ascension |
Declination |
Diam (arcsec) |
Flux @ 1.15 mm Jy |
Flux @ 2.00 mm |
TB K |
|| Source name || RA || Dec || F1MM || F2MM ||
|| HLS091828 || 09:18:28.600 || +51:42:23.300 || 36.7 (4.6) || 8.3 (0.7) || || MM18423 || 18:42:22.500 || +59:38:30.000 || 33.6 (3) || 6.3 (0.8) || || SXDF || 02:18:30.600 || -05:31:30.000 || 28 (1.5) || 4.1 (0.4) || || HFLS3 || 17:06:47.800 || +58:46:23.000 || 16 (2) || 4.0 (0.6) || || Arp220 || 15:34:57.100 || +23:30:11.000 || 243 (3) || 52.8 (0.8) || || HAT084933 || 08:49:33.400 || +02:14:43.000 || 13 (3) || 1.3 (0.8) || || HAT133008 || 13:30:08.560 || +24:58:58.300 || 16 (3) || 4.5 (0.8) ||
PSS2322+1944 |
23:22:07.200 |
+19:44:23.000 |
<4.6 ( ) |
<1.7 |
GRB121123A |
20:29:16.290 |
-11:51:35.900 |
<15 ( ) |
<1.7 |
|| 4C05.19 || 04:14:37.800 || +05:34:42.000 || <6.2 ( ) || 26.3 (0.8) ||
ZZTauIRS |
04:30:51.714 |
+24:41:47.510 |
77 (2) |
16.2 (0.8) |
|| CXTau || 04:14:47.865 || +26:28:11.010 || <4.6 ( ) || <1.7 ||
Interface with the telescope: Pako
Short manual on useful "Pako for Nika" see on Granada computers on the NIKA directory Pako_helpv??.txt ==> Obsolete. Has been replaced by much simpler procedures listed on the control computers screen wallpaper:
- 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.
- 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.
Commissioning requirements and observations plan
see the private wiki