Exposure
ID
MATIS.2025-08-10T06:43:46.589_1
Header ID
MATIS.2025-08-10T06:43:46.589
Date updated
2025-08-10 06:55:44 UTC+0000
Release date
2026-08-10 06:55:44 UTC+0000
UTC Start
2025-08-10 06:43:46.589
UTC End
2025-08-10 06:44:53.033
MJD Start
60897.28040034
MJD End
60897.28116936778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.005771
Ambient temperature (°C)
12.27
Seeing (arcsec)
0.42
Observation
ID
69723
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
51777
Name
HD 218396
RA
346.871435
DEC
21.13374
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 44.0090 44.1130 35.7000 35.7000
U1-U3 83.0250 83.2290 42.7000 42.7000
U1-U4 123.3110 123.5050 67.8750 67.8000
U2-U3 39.7070 39.8010 50.4000 50.4000
U2-U4 89.2070 89.2380 83.1170 83.0080
U3-U4 59.7680 59.6790 104.1430 104.0530
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 60897.28040034
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871435
DEC 21.13374
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 44.009
HIERARCH ESO ISS PBL12 END 44.113
HIERARCH ESO ISS PBLA12 START 35.7
HIERARCH ESO ISS PBLA12 END 35.7
HIERARCH ESO ISS PBL13 START 83.025
HIERARCH ESO ISS PBL13 END 83.229
HIERARCH ESO ISS PBLA13 START 42.7
HIERARCH ESO ISS PBLA13 END 42.7
HIERARCH ESO ISS PBL14 START 123.311
HIERARCH ESO ISS PBL14 END 123.505
HIERARCH ESO ISS PBLA14 START 67.875
HIERARCH ESO ISS PBLA14 END 67.8
HIERARCH ESO ISS PBL23 START 39.707
HIERARCH ESO ISS PBL23 END 39.801
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.207
HIERARCH ESO ISS PBL24 END 89.238
HIERARCH ESO ISS PBLA24 START 83.117
HIERARCH ESO ISS PBLA24 END 83.008
HIERARCH ESO ISS PBL34 START 59.768
HIERARCH ESO ISS PBL34 END 59.679
HIERARCH ESO ISS PBLA34 START 104.143
HIERARCH ESO ISS PBLA34 END 104.053
HIERARCH ESO ISS AMBI TAU0 START 0.005771
HIERARCH ESO ISS AMBI TAU0 END 0.005771
HIERARCH ESO ISS AMBI TEMP 12.27
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.42