SST/LA Palma + IRIS campaing of J. Koza

2016/05/11-19

Notes/Logs:

common notes, notes of JK, notes of JR, daily logs

Sun:

Solar Monitor, Sun today - SDO/AIA,HMI

ORM:

ORM, ORM-meteo, ORM-residencia

SST:

SST/ORM web page
SST/ORM wiki
SST/ORM PIG
SST/ORM Shahin's weather page
SST/ORM live seeing data

SST request notes:

- sequential scanning of the Halpha and Ca II 8542 line profiles (jk):
  H alpha 656: 15 steps, 0.2 A, T=12s (jk) -> T=3.5s (vdvlr)
  Ca II 854 : 25 steps, 0.1 A, T=12s (jk) -> T=6.0s (vdvlr)
  -> program cadence: ~13s (ps)
  - at least one point in very far wing or continuum

- an fast alternative:
- sequential scanning of ONLY the Ca II 8542 line profile:
  Ca II 854 : 13 steps, 0.2 A, + 1 conti point -> T=~4s (ps)
  -> program cadence: ~3s

SST notes:

- "good data" - bright points between the granulation in the blue continuum -> good data after reconstruction (vdvlr)
- "good data" - r0 > 15 cm -> usually good reconstructed CRISP dat (>20/25 cm in blue) (vdvlr)
- note: very early in the morning rather high r0 values - bad quality (vdvlr)
- tool: the crispred pipeline quicklook movies (vdvlr)
- co-alignment with IRIS: quiet Sun targets - IRIS Mg k slitjaw (SJI 2796) + Ca 8542 wing active region targets- IRIS Mg h wing (SJI 2832) and Halpha far wing

IRIS:

IRIS proposal/request
IRIS coordination
IRIS Observations (most recent first) (~1day delay, DC removal uncorrect)
IRIS level ? data download (~7 days delay)

IRIS request notes:

All: spectra binning in Y =2, 1400+2796 fast cadence + 2830 low cadence

Modes:
1/ Narrow raster: 16 positions, dx=0.35, X=5, Y=120, dt=5.4, T=86.24s, small linelist
2/ Sparse raster: 4 positions, dx=2.00, X=6, Y=120, dt=1.00, T=21.0s, small linelist
3/ Sit-and-stare: 1 position, Y=175, dt=16.5, large linelist

Target:
an enhanced network in the vicinity of small sunspots or evolved pores providing adequate contrast for AO of SST and facilitating co-alignment of Mg II w SJIs with SST and SDO data. Our objectives need targets not obscured by coronal loops or a thick coronal haze.

Day/time and duration:
- the period from 11 to 19 May 2016
- IRIS support in preferably from 07:30 UT till 12:00 UT

OBS-IDs:

07:30 - 09:00 UT: 3640086436
Description : Large dense 16-step raster 5x120 Si IV Mg II h/k Mg II w s Deepx4, Spatialx2, Spectralx1, Small Linelist
DataRate : 0.6 (Mbit/s)
Step (s) : 5.2 +/- 0.1
Raster (s) : 82.4 +/- 0.1
SJI 1400 (s) : 14.1 +/- 5.4
SJI 2796 (s) : 10.3 +/- 0.1
SJI wing s(s): 41.2 +/- 0.04

09:00 - 10:30 UT: 3640086423
Description : Large coarse 4-step raster 6x120 Si IV Mg II h/k Mg II w s Deepx4, Spatialx2, Spectralx1, Small Linelist
DataRate : 0.6
Step (s) : 5.1 +/- 0.1
Raster (s) : 20.5 +/- 0.2
SJI 1400 (s) : 12.5 +/- 4.7
SJI 2796 (s) : 10.2 +/- 0.1
SJI wing s(s): 61.5 +/- 0.0

10:30 - 12:00 UT: 3600090404
Description : Very large sit-and-stare 0.3x175 Si IV Mg II h/k Mg II w s Deepx15, Spatialx2, Spectralx1, Large Linelist
DataRate : 0.6
Step (s) : 16.5 +/- 0.1
Raster (s) : 16.5 +/- 0.1
SJI 1400 (s) : 40.2 +/- 14.6
SJI 2796 (s) : 32.9 +/- 0.1
SJI wing s(s): 197.5 +/- 0.0

Analysis:
- SJ+prominent lines of C II, Mg II, Si IV
- photospheric line dynamics Ti II, O I
- chromospheric line dynamics, density variation & not-thermal broadening O I 1335.6
- chromosperic density 1399/1401

Transfer SST~TL: max 12.5 MB/s, tests ~10.X MB/s (OND-TL)
100s/1GB, 1h/36GB, 28h/1TB
SST technical details: - Finder telescopes - log into royac24 as obs - Primary Image Guider (PIG) - - Correlation tracker (CT) - "CT daemon" + "CT GUI" - AO: - "AO daemon" + "AO GUI" - exposure, dark, flat regularly - other items in case of problems only - CRISP instrument. - Two Sarnoff 1K×1K cameras: narrow-band light through the filter and a polarizing beam splitter - 1024×1024, 16.0 μm - The frame rate for each Sarnoff camera is about 37/s. - 10% of the light from the CRISP pre-filter is split off to another Sarnoff camera used for wide-band context and for MOMFBD image restoration. - pre-filter wheel has room for 10 filters, switch from one filter to another in 0.6 sec or less, minimum 250ms - Starting comp/cams/crisp: - server: sysman with database, GUI configurator to database - sysman.cfg - definition of database - database directory: 3 subdirectories - devices, sequences and sets, each subdirectory contains subdirectories for each defined device, sequence or set. configuration files: device.cfg, sequence.cfg and set.cfg CRISP: definition of states and a definition of a sequence - device.cfg and sequence.cfg Setting up an observing sequence - start sequence: camwins 1 2 3 server sequencer (gconfig) Server XTerm: sysman all camera computers: start camsrv: cd /usr/src/sst/test ../src/apps/newcamsrv/camsrv -v Sequencer XTerm: start sequencer: /usr/src/sst/src/apps/newseq/sequencer -dio parport0,parport2 -hws 0xec00 CAMs: control? machine: cd ~/cameras/camctrl/ bin/camctrl -cfg XXX.cfg Wavelength centering/alignment of the etalons: 1st line: HRE,LRE -> .cnf 2nd line: no need ? Recording and processing cavity maps: observing? processing? - Calibrations: - Sun elevation > 20 degrees. - FF, DC, PH - cavity error (=wavelength shifts of peak transmission) - reflectivities (=FWHM's of the transmission profiles at every pixel within the FOV). SST ? - The CRISP prefilters acting as weak lenses: changing the focus slightly depending on the selected wavelength band, remains. This can be corrected by adding focus corrections with the adaptive optics, but this will affect simultaneous blue data. SOLVED! - tuning problems: the first one or two frames after a tuning event should be discarded because the etalons appear not to have settled yet. Inspect your data in order to decide for yourselves the proper number of frames to skip. SOLVED! data taken but later removed when transfered to ... - Wavelength centering/alignment of the etalons: 1st line: HRE,LRE -> .cnf, 2nd line: no need ? NEEDED! - AO FoV ? When r0>15cm then full FoV corrected - AO pointing 0-8? better kepping central position 4 (this options are for LIMB obs) - at least one point in very far wing or continuum, the most extreme positions: PS will check this for us... - H alpha prefilter : takec filter calibration measurements and write own software for final calibration - cavity/reflectivity maps: special data acquisition? NOT NEEDED! - focusing of cameras: NOT NEEDED! SST todo: - PIG screenshots to store ! - PH calibration across both lines SST~IRIS: Park et al, A&A 586, A25 (2016): The SST/CRISP and IRIS data were co-aligned by (1) correcting the drift in the IRIS pointing using cross-correlation between successive IRIS 1400 Å SJIs; (2) degrading the spatial resolution of the CRISP Hα and Ca II 8542 Å images to the IRIS spatial pixel size of 0.166 ; and (3) comparing the Ca II−0.5 Å far blue wing images with the Hα−1.03 Å far blue wing images and the 1400 Å SJIs, respectively, for similar network and inter-network features. This co-alignment process proved to be accurate down to the level of the IRIS pixel scale. The co-alignment between SST/CRISP and IRIS was double-checked using full-disk 1600 Å images from the Atmospheric Imaging Assembly (AIA; Lemen et al. 2012) on board SDO, as a common reference.