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| The data obtained during the N2R67 tests (i.e. calibration scans & beam maps on Uranus, Neptune, Mars, Mercury and the secondary flux standards NGC7027, MWC349, CRL618, CRL2688) after recoating M1 were reprocessed with PIIC-QL and the DAFs version in force for the dates indicated above. Likewise, we have reprocessed the same kind of maps of the cited sources, observed during the runs N2R66 (2024/03/5-19; Winter 23; after servo-control upgrading and before painting works) and N2R63 (2023/01/10-31; Winter 22; it was the last NIKA2 pool week before servo-control upgrading) to make some comparisons. | The data obtained during the '''N2R67''' tests (i.e. calibration scans & beam maps on Uranus, Neptune, Mars, and Mercury, as well as the secondary flux standards NGC7027, MWC349, CRL618, and CRL2688) after recoating M1 were reprocessed with PIIC-QL and the DAFs version in force for the dates indicated above. More accurate flux fractions will be obtained after analysis leading to new DAF sets based on these data and those that can be gathered before the start of scientific operations on August 27. |
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| Plots of main beam retrieved flux fraction [%] vs. MJD [days], UT time of day [h], elevation of the source [deg] and FWHM [arcsec] (as sqrt[FWHM(minor axis)*FWHM(major axis)]) are given below. | Likewise, we have reprocessed the same kind of maps for the cited sources only, observed during the runs '''N2R66''' (2024/03/5-19; Winter 23; after servo-control upgrading and before painting works) and '''N2R63''' (2023/01/10-31; Winter 22; it was the last NIKA2 pool week before servo-control upgrading) to make some comparisons. Comprehensive main beam (MB) retrieved flux fraction plots, containing pointing and in-focus scans of the selected and other flux calibration sources for these runs in particular can be found in the PIIC calibration summary and figures. Plots of main beam retrieved flux fraction [%] vs. MJD [days], UT time of day [h], elevation of the source [deg], and FWHM [arcsec] (as sqrt[FWHM(minor axis)*FWHM(major axis)]) for the recent tests and previous runs are given below. |
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First analysis from data obtained on Aug 12 - 17
The data obtained during the N2R67 tests (i.e. calibration scans & beam maps on Uranus, Neptune, Mars, and Mercury, as well as the secondary flux standards NGC7027, MWC349, CRL618, and CRL2688) after recoating M1 were reprocessed with PIIC-QL and the DAFs version in force for the dates indicated above. More accurate flux fractions will be obtained after analysis leading to new DAF sets based on these data and those that can be gathered before the start of scientific operations on August 27.
Likewise, we have reprocessed the same kind of maps for the cited sources only, observed during the runs N2R66 (2024/03/5-19; Winter 23; after servo-control upgrading and before painting works) and N2R63 (2023/01/10-31; Winter 22; it was the last NIKA2 pool week before servo-control upgrading) to make some comparisons. Comprehensive main beam (MB) retrieved flux fraction plots, containing pointing and in-focus scans of the selected and other flux calibration sources for these runs in particular can be found in the PIIC calibration summary and figures.
Plots of main beam retrieved flux fraction [%] vs. MJD [days], UT time of day [h], elevation of the source [deg], and FWHM [arcsec] (as sqrt[FWHM(minor axis)*FWHM(major axis)]) for the recent tests and previous runs are given below.
Source |
#Valid scans |
Array |
MB flux [%] |
AP flux [%] |
FWHM_min ["] |
FWHM_maj ["] |
Map RMS [mJy/b] |
Uranus |
10 |
2 |
97.7 ± 2.9 |
100.3 ± 3.3 |
17.5 ± 0.2 |
18.2 ± 0.4 |
62.4 ± 12.8 |
|
|
1 |
94.4 ± 6.6 |
112.1 ± 8.2 |
11.8 ± 0.4 |
12.5 ± 0.8 |
288.6 ± 75.5 |
|
|
3 |
95.8 ± 6.6 |
112.0 ± 7.9 |
11.3 ± 0.3 |
12.6 ± 0.7 |
219.1 ± 59.0 |
Neptune |
7 |
2 |
95.2 ± 4.5 |
96.8 ± 4.6 |
17.7 ± 0.2 |
18.2 ± 0.3 |
66.8 ± 8.7 |
|
|
1 |
91.6 ± 8.0 |
104.6 ± 9.9 |
11.9 ± 0.4 |
12.6 ± 0.7 |
339.3 ± 59.9 |
|
|
3 |
93.5 ± 7.9 |
105.2 ± 9.5 |
11.7 ± 0.5 |
12.4 ± 0.7 |
256.8 ± 45.4 |
NGC7027 |
7 |
2 |
93.8 ± 6.0 |
96.1 ± 6.7 |
18.7 ± 0.3 |
19.4 ± 0.4 |
66.6 ± 14.0 |
|
|
1 |
89.6 ± 12.1 |
100.5 ± 12.9 |
14.1 ± 0.6 |
14.8 ± 1.0 |
363.9 ± 118.9 |
|
|
3 |
92.3 ± 12.3 |
103.8 ± 13.7 |
13.5 ± 0.5 |
14.9 ± 1.1 |
272.1 ± 86.4 |
Mercury |
2 |
2 |
41.0 ± 0.3 |
41.6 ± 0.2 |
19.0 ± 0.1 |
20.5 ± 0.1 |
230.4 ± 14.4 |
|
|
1 |
33.5 ± 0.6 |
33.9 ± 0.4 |
13.8 ± 0.2 |
16.0 ± 0.2 |
507.3 ± 6.9 |
|
|
3 |
33.7 ± 0.5 |
36.5 ± 0.4 |
13.2 ± 0.2 |
17.2 ± 0.3 |
466.3 ± 20.9 |
Mars |
6 |
2 |
97.4 ± 2.6 |
100.3 ± 2.6 |
18.1 ± 0.2 |
18.7 ± 0.3 |
81.1 ± 9.7 |
|
|
1 |
95.8 ± 4.3 |
112.0 ± 6.3 |
12.6 ± 0.3 |
13.3 ± 0.4 |
308.3 ± 65.6 |
|
|
3 |
95.6 ± 3.3 |
110.5 ± 5.4 |
12.0 ± 0.4 |
13.6 ± 0.5 |
236.8 ± 50.4 |
MWC349 |
5 |
2 |
97.7 ± 6.4 |
100.1 ± 6.6 |
17.7± 0.3 |
17.9± 0.2 |
67.5 ± 17.0 |
|
|
1 |
85.2 ± 11.3 |
102.7 ± 12.1 |
11.5± 0.2 |
12.3± 0.6 |
388.0 ± 164.6 |
|
|
3 |
88.3 ± 11.7 |
105.7 ± 11.6 |
11.4± 0.3 |
11.8± 0.4 |
279.5 ± 108.3 |
CRL618 |
1 |
2 |
88.9 |
91.6 |
19.1 |
19.2 |
51.3 |
|
|
1 |
105.7 |
119.3 |
13.7 |
14.3 |
241.4 |
|
|
3 |
106.0 |
119.2 |
13.5 |
14.7 |
179.1 |
CRL2688 |
5 |
2 |
91.1 ± 5.8 |
93.2 ± 6.4 |
18.1 ± 0.2 |
18.4 ± 0.3 |
64.7 ± 13.2 |
|
|
1 |
86.4 ± 10.0 |
100.7 ± 10.5 |
12.4 ± 0.4 |
13.5 ± 0.6 |
359.3 ± 117.3 |
|
|
3 |
86.4 ± 10.3 |
100.6 ± 12.3 |
12.3 ± 0.3 |
12.9 ± 0.4 |
258.7 ± 81.5 |