Exposure
ID
MATIS.2024-05-31T03:19:04.078_1
Header ID
MATIS.2024-05-31T03:19:04.078
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 03:19:04.078
UTC End
2024-05-31 03:20:04.086
MJD Start
60461.13824164
MJD End
60461.138936177
Exposure time (s)
60.0
Validation level
1
Tau 0: Coherence time (s)
0.006245
Ambient temperature (°C)
16.46
Seeing (arcsec)
0.745
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 55.4150 55.4170 2.9000 3.1000
U1-U3 98.7120 98.7280 8.0000 8.2000
U1-U4 111.7070 111.8640 33.6770 33.9030
U2-U3 43.7960 43.8130 14.5000 14.7000
U2-U4 70.0620 70.2560 57.5290 57.7330
U3-U4 48.3680 48.5310 95.6820 95.7660
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 60461.13824164
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 55.415
HIERARCH ESO ISS PBL12 END 55.417
HIERARCH ESO ISS PBLA12 START 2.9
HIERARCH ESO ISS PBLA12 END 3.1
HIERARCH ESO ISS PBL13 START 98.712
HIERARCH ESO ISS PBL13 END 98.728
HIERARCH ESO ISS PBLA13 START 8.0
HIERARCH ESO ISS PBLA13 END 8.2
HIERARCH ESO ISS PBL14 START 111.707
HIERARCH ESO ISS PBL14 END 111.864
HIERARCH ESO ISS PBLA14 START 33.677
HIERARCH ESO ISS PBLA14 END 33.903
HIERARCH ESO ISS PBL23 START 43.796
HIERARCH ESO ISS PBL23 END 43.813
HIERARCH ESO ISS PBLA23 START 14.5
HIERARCH ESO ISS PBLA23 END 14.7
HIERARCH ESO ISS PBL24 START 70.062
HIERARCH ESO ISS PBL24 END 70.256
HIERARCH ESO ISS PBLA24 START 57.529
HIERARCH ESO ISS PBLA24 END 57.733
HIERARCH ESO ISS PBL34 START 48.368
HIERARCH ESO ISS PBL34 END 48.531
HIERARCH ESO ISS PBLA34 START 95.682
HIERARCH ESO ISS PBLA34 END 95.766
HIERARCH ESO ISS AMBI TAU0 START 0.006245
HIERARCH ESO ISS AMBI TAU0 END 0.006245
HIERARCH ESO ISS AMBI TEMP 16.46
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 0.69