Exposure
ID
MATIS.2025-07-10T09:16:09.870_1
Header ID
MATIS.2025-07-10T09:16:09.870
Date updated
2025-07-10 09:25:44 UTC+0000
Release date
2026-07-10 09:25:44 UTC+0000
UTC Start
2025-07-10 09:16:09.870
UTC End
2025-07-10 09:17:16.314
MJD Start
60866.38622535
MJD End
60866.386994377775
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.00611
Ambient temperature (°C)
12.81
Seeing (arcsec)
0.71
Observation
ID
68557
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
50991
Name
HD 218396
RA
346.870959
DEC
21.13427
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 46.5160 46.6060 37.2000 37.2000
U1-U3 87.8170 87.9840 43.3000 43.3000
U1-U4 127.2800 127.3950 65.8740 65.7940
U2-U3 41.8650 41.9380 50.2000 50.1000
U2-U4 89.3050 89.2820 80.3500 80.2450
U3-U4 57.1320 57.0170 101.9660 101.8880
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 60866.38622535
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.870959
DEC 21.13427
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 46.516
HIERARCH ESO ISS PBL12 END 46.606
HIERARCH ESO ISS PBLA12 START 37.2
HIERARCH ESO ISS PBLA12 END 37.2
HIERARCH ESO ISS PBL13 START 87.817
HIERARCH ESO ISS PBL13 END 87.984
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 127.28
HIERARCH ESO ISS PBL14 END 127.395
HIERARCH ESO ISS PBLA14 START 65.874
HIERARCH ESO ISS PBLA14 END 65.794
HIERARCH ESO ISS PBL23 START 41.865
HIERARCH ESO ISS PBL23 END 41.938
HIERARCH ESO ISS PBLA23 START 50.2
HIERARCH ESO ISS PBLA23 END 50.1
HIERARCH ESO ISS PBL24 START 89.305
HIERARCH ESO ISS PBL24 END 89.282
HIERARCH ESO ISS PBLA24 START 80.35
HIERARCH ESO ISS PBLA24 END 80.245
HIERARCH ESO ISS PBL34 START 57.132
HIERARCH ESO ISS PBL34 END 57.017
HIERARCH ESO ISS PBLA34 START 101.966
HIERARCH ESO ISS PBLA34 END 101.888
HIERARCH ESO ISS AMBI TAU0 START 0.00611
HIERARCH ESO ISS AMBI TAU0 END 0.00611
HIERARCH ESO ISS AMBI TEMP 12.81
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.71