Exposure
ID
MATIS.2025-07-10T09:43:35.200_1
Header ID
MATIS.2025-07-10T09:43:35.200
Date updated
2025-07-10 09:50:45 UTC+0000
Release date
2026-07-10 09:50:45 UTC+0000
UTC Start
2025-07-10 09:43:35.200
UTC End
2025-07-10 09:44:41.644
MJD Start
60866.40526852
MJD End
60866.40603754778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.004732
Ambient temperature (°C)
12.71
Seeing (arcsec)
0.57
Observation
ID
68578
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
51002
Name
HD 218396
RA
346.87097
DEC
21.13428
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 48.6000 48.6890 38.0000 38.0000
U1-U3 91.6020 91.7600 43.4000 43.4000
U1-U4 129.4020 129.4660 63.8270 63.7290
U2-U3 43.4660 43.5300 49.5000 49.4000
U2-U4 88.2530 88.1810 77.7270 77.6050
U3-U4 54.0240 53.8680 100.0990 100.0160
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 60866.40526852
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.87097
DEC 21.13428
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 48.6
HIERARCH ESO ISS PBL12 END 48.689
HIERARCH ESO ISS PBLA12 START 38.0
HIERARCH ESO ISS PBLA12 END 38.0
HIERARCH ESO ISS PBL13 START 91.602
HIERARCH ESO ISS PBL13 END 91.76
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 129.402
HIERARCH ESO ISS PBL14 END 129.466
HIERARCH ESO ISS PBLA14 START 63.827
HIERARCH ESO ISS PBLA14 END 63.729
HIERARCH ESO ISS PBL23 START 43.466
HIERARCH ESO ISS PBL23 END 43.53
HIERARCH ESO ISS PBLA23 START 49.5
HIERARCH ESO ISS PBLA23 END 49.4
HIERARCH ESO ISS PBL24 START 88.253
HIERARCH ESO ISS PBL24 END 88.181
HIERARCH ESO ISS PBLA24 START 77.727
HIERARCH ESO ISS PBLA24 END 77.605
HIERARCH ESO ISS PBL34 START 54.024
HIERARCH ESO ISS PBL34 END 53.868
HIERARCH ESO ISS PBLA34 START 100.099
HIERARCH ESO ISS PBLA34 END 100.016
HIERARCH ESO ISS AMBI TAU0 START 0.004732
HIERARCH ESO ISS AMBI TAU0 END 0.004732
HIERARCH ESO ISS AMBI TEMP 12.71
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57