Exposure
ID
MATIS.2024-05-31T03:23:44.004_1
Header ID
MATIS.2024-05-31T03:23:44.004
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 03:23:44.004
UTC End
2024-05-31 03:24:44.012
MJD Start
60461.14148153
MJD End
60461.142176067
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.004132
Ambient temperature (°C)
16.42
Seeing (arcsec)
0.705
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 55.4270 55.4300 3.6000 3.8000
U1-U3 98.7870 98.8040 8.8000 9.0000
U1-U4 112.4030 112.5620 34.6690 34.8920
U2-U3 43.8730 43.8900 15.4000 15.5000
U2-U4 70.9300 71.1270 58.4360 58.6390
U3-U4 49.0920 49.2540 96.0600 96.1460
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 60461.14148153
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 55.427
HIERARCH ESO ISS PBL12 END 55.43
HIERARCH ESO ISS PBLA12 START 3.6
HIERARCH ESO ISS PBLA12 END 3.8
HIERARCH ESO ISS PBL13 START 98.787
HIERARCH ESO ISS PBL13 END 98.804
HIERARCH ESO ISS PBLA13 START 8.8
HIERARCH ESO ISS PBLA13 END 9.0
HIERARCH ESO ISS PBL14 START 112.403
HIERARCH ESO ISS PBL14 END 112.562
HIERARCH ESO ISS PBLA14 START 34.669
HIERARCH ESO ISS PBLA14 END 34.892
HIERARCH ESO ISS PBL23 START 43.873
HIERARCH ESO ISS PBL23 END 43.89
HIERARCH ESO ISS PBLA23 START 15.4
HIERARCH ESO ISS PBLA23 END 15.5
HIERARCH ESO ISS PBL24 START 70.93
HIERARCH ESO ISS PBL24 END 71.127
HIERARCH ESO ISS PBLA24 START 58.436
HIERARCH ESO ISS PBLA24 END 58.639
HIERARCH ESO ISS PBL34 START 49.092
HIERARCH ESO ISS PBL34 END 49.254
HIERARCH ESO ISS PBLA34 START 96.06
HIERARCH ESO ISS PBLA34 END 96.146
HIERARCH ESO ISS AMBI TAU0 START 0.003795
HIERARCH ESO ISS AMBI TAU0 END 0.004469
HIERARCH ESO ISS AMBI TEMP 16.42
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.73