Exposure
ID
MATIS.2024-05-31T03:22:31.668_1
Header ID
MATIS.2024-05-31T03:22:31.668
Date updated
2024-05-31 03:30:31 UTC+0000
Release date
2025-05-31 03:30:31 UTC+0000
UTC Start
2024-05-31 03:22:31.668
UTC End
2024-05-31 03:23:31.632
MJD Start
60461.1406443
MJD End
60461.1413383278
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.0045205
Ambient temperature (°C)
16.45
Seeing (arcsec)
0.715
Observation
ID
59461
Category
science
Program ID
113.26KD.004
Program Title
IMAGING THE SUB-AU DETAILS OF THE EXTREME DEBRIS DISK AROUND HD 166191
Program Type
Normal
PI / COI
CHEN / VARGA / LYKOU / MOOR / ABRAHAM / KOSPAL / CRUZ-SAENZ DE MIERA / WEIGELT / KOBUS / HOGERHEIJDE / WOLF / AUGEREAU / PRIOLET / LEINHARDT / CARTER / LOPEZ / DANCHI / HENNING / HOFMANN / MATTER / PANTIN / PETROV / SCHERTL / VAN BOEKEL
Target
ID
44084
Name
HD_166191
RA
272.627547
DEC
-23.56706
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_LOW
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 55.4240 55.4260 3.5000 3.6000
U1-U3 98.7670 98.7840 8.6000 8.8000
U1-U4 112.2240 112.3770 34.4160 34.6320
U2-U3 43.8520 43.8700 15.1000 15.3000
U2-U4 70.7070 70.8980 58.2040 58.4020
U3-U4 48.9060 49.0650 95.9620 96.0460
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26KD.004
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 60461.1406443
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD_166191
RA 272.627547
DEC -23.56706
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME LOW
HIERARCH ESO INS DIL ID LOW
HIERARCH ESO INS MODE HYBRID
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 0.111056
HIERARCH ESO DET SEQ1 PERIOD 0.263
HIERARCH ESO DET NDIT 228
HIERARCH ESO ISS PBL12 START 55.424
HIERARCH ESO ISS PBL12 END 55.426
HIERARCH ESO ISS PBLA12 START 3.5
HIERARCH ESO ISS PBLA12 END 3.6
HIERARCH ESO ISS PBL13 START 98.767
HIERARCH ESO ISS PBL13 END 98.784
HIERARCH ESO ISS PBLA13 START 8.6
HIERARCH ESO ISS PBLA13 END 8.8
HIERARCH ESO ISS PBL14 START 112.224
HIERARCH ESO ISS PBL14 END 112.377
HIERARCH ESO ISS PBLA14 START 34.416
HIERARCH ESO ISS PBLA14 END 34.632
HIERARCH ESO ISS PBL23 START 43.852
HIERARCH ESO ISS PBL23 END 43.87
HIERARCH ESO ISS PBLA23 START 15.1
HIERARCH ESO ISS PBLA23 END 15.3
HIERARCH ESO ISS PBL24 START 70.707
HIERARCH ESO ISS PBL24 END 70.898
HIERARCH ESO ISS PBLA24 START 58.204
HIERARCH ESO ISS PBLA24 END 58.402
HIERARCH ESO ISS PBL34 START 48.906
HIERARCH ESO ISS PBL34 END 49.065
HIERARCH ESO ISS PBLA34 START 95.962
HIERARCH ESO ISS PBLA34 END 96.046
HIERARCH ESO ISS AMBI TAU0 START 0.005246
HIERARCH ESO ISS AMBI TAU0 END 0.003795
HIERARCH ESO ISS AMBI TEMP 16.45
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.68