Exposure
ID
MATIS.2024-05-31T03:29:55.044_1
Header ID
MATIS.2024-05-31T03:29:55.044
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 03:29:55.044
UTC End
2024-05-31 03:30:55.008
MJD Start
60461.14577597
MJD End
60461.1464699978
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.003991
Ambient temperature (°C)
16.37
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 55.4470 55.4500 4.5000 4.7000
U1-U3 98.8950 98.9140 9.8000 10.0000
U1-U4 113.3350 113.4910 35.9570 36.1690
U2-U3 43.9790 43.9970 16.5000 16.6000
U2-U4 72.0730 72.2620 59.6060 59.7970
U3-U4 50.0300 50.1840 96.5600 96.6440
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 60461.14577597
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 55.447
HIERARCH ESO ISS PBL12 END 55.45
HIERARCH ESO ISS PBLA12 START 4.5
HIERARCH ESO ISS PBLA12 END 4.7
HIERARCH ESO ISS PBL13 START 98.895
HIERARCH ESO ISS PBL13 END 98.914
HIERARCH ESO ISS PBLA13 START 9.8
HIERARCH ESO ISS PBLA13 END 10.0
HIERARCH ESO ISS PBL14 START 113.335
HIERARCH ESO ISS PBL14 END 113.491
HIERARCH ESO ISS PBLA14 START 35.957
HIERARCH ESO ISS PBLA14 END 36.169
HIERARCH ESO ISS PBL23 START 43.979
HIERARCH ESO ISS PBL23 END 43.997
HIERARCH ESO ISS PBLA23 START 16.5
HIERARCH ESO ISS PBLA23 END 16.6
HIERARCH ESO ISS PBL24 START 72.073
HIERARCH ESO ISS PBL24 END 72.262
HIERARCH ESO ISS PBLA24 START 59.606
HIERARCH ESO ISS PBLA24 END 59.797
HIERARCH ESO ISS PBL34 START 50.03
HIERARCH ESO ISS PBL34 END 50.184
HIERARCH ESO ISS PBLA34 START 96.56
HIERARCH ESO ISS PBLA34 END 96.644
HIERARCH ESO ISS AMBI TAU0 START 0.004015
HIERARCH ESO ISS AMBI TAU0 END 0.003967
HIERARCH ESO ISS AMBI TEMP 16.37
HIERARCH ESO ISS AMBI FWHM START 0.69
HIERARCH ESO ISS AMBI FWHM END 0.74