Exposure
ID
MATIS.2024-05-31T03:16:22.047_1
Header ID
MATIS.2024-05-31T03:16:22.047
Date updated
2024-05-31 03:25:29 UTC+0000
Release date
2025-05-31 03:25:29 UTC+0000
UTC Start
2024-05-31 03:16:22.047
UTC End
2024-05-31 03:17:22.055
MJD Start
60461.13636628
MJD End
60461.137060817
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.005536
Ambient temperature (°C)
16.48
Seeing (arcsec)
0.84
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 55.4090 55.4110 2.5000 2.7000
U1-U3 98.6720 98.6870 7.6000 7.8000
U1-U4 111.3060 111.4630 33.0940 33.3230
U2-U3 43.7530 43.7690 14.0000 14.2000
U2-U4 69.5490 69.7480 56.9850 57.1970
U3-U4 47.9360 48.1040 95.4590 95.5460
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 60461.13636628
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 55.409
HIERARCH ESO ISS PBL12 END 55.411
HIERARCH ESO ISS PBLA12 START 2.5
HIERARCH ESO ISS PBLA12 END 2.7
HIERARCH ESO ISS PBL13 START 98.672
HIERARCH ESO ISS PBL13 END 98.687
HIERARCH ESO ISS PBLA13 START 7.6
HIERARCH ESO ISS PBLA13 END 7.8
HIERARCH ESO ISS PBL14 START 111.306
HIERARCH ESO ISS PBL14 END 111.463
HIERARCH ESO ISS PBLA14 START 33.094
HIERARCH ESO ISS PBLA14 END 33.323
HIERARCH ESO ISS PBL23 START 43.753
HIERARCH ESO ISS PBL23 END 43.769
HIERARCH ESO ISS PBLA23 START 14.0
HIERARCH ESO ISS PBLA23 END 14.2
HIERARCH ESO ISS PBL24 START 69.549
HIERARCH ESO ISS PBL24 END 69.748
HIERARCH ESO ISS PBLA24 START 56.985
HIERARCH ESO ISS PBLA24 END 57.197
HIERARCH ESO ISS PBL34 START 47.936
HIERARCH ESO ISS PBL34 END 48.104
HIERARCH ESO ISS PBLA34 START 95.459
HIERARCH ESO ISS PBLA34 END 95.546
HIERARCH ESO ISS AMBI TAU0 START 0.005536
HIERARCH ESO ISS AMBI TAU0 END 0.005536
HIERARCH ESO ISS AMBI TEMP 16.48
HIERARCH ESO ISS AMBI FWHM START 0.84
HIERARCH ESO ISS AMBI FWHM END 0.84