Exposure
ID
MATIS.2024-05-31T03:27:28.778_1
Header ID
MATIS.2024-05-31T03:27:28.778
Date updated
2024-05-31 03:35:31 UTC+0000
Release date
2025-05-31 03:35:31 UTC+0000
UTC Start
2024-05-31 03:27:28.778
UTC End
2024-05-31 03:28:28.742
MJD Start
60461.14408308
MJD End
60461.1447771078
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004338
Ambient temperature (°C)
16.37
Seeing (arcsec)
0.71
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 55.4380 55.4420 4.2000 4.3000
U1-U3 98.8510 98.8690 9.4000 9.6000
U1-U4 112.9680 113.1200 35.4550 35.6640
U2-U3 43.9370 43.9540 16.0000 16.2000
U2-U4 71.6260 71.8120 59.1510 59.3410
U3-U4 49.6650 49.8170 96.3640 96.4450
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 60461.14408308
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 55.438
HIERARCH ESO ISS PBL12 END 55.442
HIERARCH ESO ISS PBLA12 START 4.2
HIERARCH ESO ISS PBLA12 END 4.3
HIERARCH ESO ISS PBL13 START 98.851
HIERARCH ESO ISS PBL13 END 98.869
HIERARCH ESO ISS PBLA13 START 9.4
HIERARCH ESO ISS PBLA13 END 9.6
HIERARCH ESO ISS PBL14 START 112.968
HIERARCH ESO ISS PBL14 END 113.12
HIERARCH ESO ISS PBLA14 START 35.455
HIERARCH ESO ISS PBLA14 END 35.664
HIERARCH ESO ISS PBL23 START 43.937
HIERARCH ESO ISS PBL23 END 43.954
HIERARCH ESO ISS PBLA23 START 16.0
HIERARCH ESO ISS PBLA23 END 16.2
HIERARCH ESO ISS PBL24 START 71.626
HIERARCH ESO ISS PBL24 END 71.812
HIERARCH ESO ISS PBLA24 START 59.151
HIERARCH ESO ISS PBLA24 END 59.341
HIERARCH ESO ISS PBL34 START 49.665
HIERARCH ESO ISS PBL34 END 49.817
HIERARCH ESO ISS PBLA34 START 96.364
HIERARCH ESO ISS PBLA34 END 96.445
HIERARCH ESO ISS AMBI TAU0 START 0.004906
HIERARCH ESO ISS AMBI TAU0 END 0.00377
HIERARCH ESO ISS AMBI TEMP 16.37
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.77