Exposure
ID
MATIS.2025-08-06T09:10:24.291_1
Header ID
MATIS.2025-08-06T09:10:24.291
Date updated
2025-08-06 09:15:49 UTC+0000
Release date
2026-08-06 09:15:49 UTC+0000
UTC Start
2025-08-06 09:10:24.291
UTC End
2025-08-06 09:11:30.735
MJD Start
60893.38222559
MJD End
60893.38299461778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.0065474999999999995
Ambient temperature (°C)
14.14
Seeing (arcsec)
0.365
Observation
ID
69312
Category
science
Program ID
115.28GN.001
Program Title
MID-INFRARED STUDY OF THE PLANETARY ATMOSPHERES OF THE HR 8799 SYSTEM
Program Type
Normal
PI / COI
HOULLÉ / MILLOUR / SCIGLIUTO / LOPEZ
Target
ID
51512
Name
HD 218396
RA
346.871657
DEC
21.13408
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_MEDIUM
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 53.0640 53.1180 37.7000 37.7000
U1-U3 98.9290 99.0080 41.5000 41.5000
U1-U4 128.7950 128.7220 56.9930 56.8720
U2-U3 46.1140 46.1360 45.9000 45.8000
U2-U4 80.6130 80.4500 69.5220 69.3790
U3-U4 42.5830 42.3780 95.2440 95.1690
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28GN.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT
MJD-OBS 60893.38222559
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871657
DEC 21.13408
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME MED
HIERARCH ESO INS DIL ID MED
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 10.0
HIERARCH ESO DET SEQ1 PERIOD 11.074
HIERARCH ESO DET NDIT 6
HIERARCH ESO ISS PBL12 START 53.064
HIERARCH ESO ISS PBL12 END 53.118
HIERARCH ESO ISS PBLA12 START 37.7
HIERARCH ESO ISS PBLA12 END 37.7
HIERARCH ESO ISS PBL13 START 98.929
HIERARCH ESO ISS PBL13 END 99.008
HIERARCH ESO ISS PBLA13 START 41.5
HIERARCH ESO ISS PBLA13 END 41.5
HIERARCH ESO ISS PBL14 START 128.795
HIERARCH ESO ISS PBL14 END 128.722
HIERARCH ESO ISS PBLA14 START 56.993
HIERARCH ESO ISS PBLA14 END 56.872
HIERARCH ESO ISS PBL23 START 46.114
HIERARCH ESO ISS PBL23 END 46.136
HIERARCH ESO ISS PBLA23 START 45.9
HIERARCH ESO ISS PBLA23 END 45.8
HIERARCH ESO ISS PBL24 START 80.613
HIERARCH ESO ISS PBL24 END 80.45
HIERARCH ESO ISS PBLA24 START 69.522
HIERARCH ESO ISS PBLA24 END 69.379
HIERARCH ESO ISS PBL34 START 42.583
HIERARCH ESO ISS PBL34 END 42.378
HIERARCH ESO ISS PBLA34 START 95.244
HIERARCH ESO ISS PBLA34 END 95.169
HIERARCH ESO ISS AMBI TAU0 START 0.006792
HIERARCH ESO ISS AMBI TAU0 END 0.006303
HIERARCH ESO ISS AMBI TEMP 14.14
HIERARCH ESO ISS AMBI FWHM START 0.34
HIERARCH ESO ISS AMBI FWHM END 0.39