Exposure
ID
MATIS.2024-05-31T03:29:55.541_1
Header ID
MATIS.2024-05-31T03:29:55.541
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 03:29:55.541
UTC End
2024-05-31 03:30:55.549
MJD Start
60461.14578173
MJD End
60461.146476267
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
59462
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
HIGH_SENS_N_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 113.3360 113.4920 35.9590 36.1710
U2-U3 43.9790 43.9980 16.5000 16.6000
U2-U4 72.0750 72.2640 59.6080 59.7990
U3-U4 50.0310 50.1850 96.5610 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 60461.14578173
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD_166191
RA 272.627547
DEC -23.56706
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME LOW
HIERARCH ESO INS DIN 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 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2308
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 113.336
HIERARCH ESO ISS PBL14 END 113.492
HIERARCH ESO ISS PBLA14 START 35.959
HIERARCH ESO ISS PBLA14 END 36.171
HIERARCH ESO ISS PBL23 START 43.979
HIERARCH ESO ISS PBL23 END 43.998
HIERARCH ESO ISS PBLA23 START 16.5
HIERARCH ESO ISS PBLA23 END 16.6
HIERARCH ESO ISS PBL24 START 72.075
HIERARCH ESO ISS PBL24 END 72.264
HIERARCH ESO ISS PBLA24 START 59.608
HIERARCH ESO ISS PBLA24 END 59.799
HIERARCH ESO ISS PBL34 START 50.031
HIERARCH ESO ISS PBL34 END 50.185
HIERARCH ESO ISS PBLA34 START 96.561
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