Exposure
ID
MATIS.2025-08-10T07:50:19.899_1
Header ID
MATIS.2025-08-10T07:50:19.899
Date updated
2025-08-10 08:00:43 UTC+0000
Release date
2026-08-10 08:00:43 UTC+0000
UTC Start
2025-08-10 07:50:19.899
UTC End
2025-08-10 07:51:26.343
MJD Start
60897.3266192
MJD End
60897.32738822778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.0039325
Ambient temperature (°C)
11.93
Seeing (arcsec)
0.5
Observation
ID
69782
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
51807
Name
HD 218396
RA
346.871484
DEC
21.13373
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 49.2150 49.2950 38.1000 38.1000
U1-U3 92.6830 92.8210 43.3000 43.3000
U1-U4 129.7940 129.8360 63.1270 63.0340
U2-U3 43.9020 43.9570 49.2000 49.2000
U2-U4 87.7050 87.6250 76.8600 76.7450
U3-U4 52.9030 52.7510 99.5190 99.4440
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 60897.3266192
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871484
DEC 21.13373
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 49.215
HIERARCH ESO ISS PBL12 END 49.295
HIERARCH ESO ISS PBLA12 START 38.1
HIERARCH ESO ISS PBLA12 END 38.1
HIERARCH ESO ISS PBL13 START 92.683
HIERARCH ESO ISS PBL13 END 92.821
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 129.794
HIERARCH ESO ISS PBL14 END 129.836
HIERARCH ESO ISS PBLA14 START 63.127
HIERARCH ESO ISS PBLA14 END 63.034
HIERARCH ESO ISS PBL23 START 43.902
HIERARCH ESO ISS PBL23 END 43.957
HIERARCH ESO ISS PBLA23 START 49.2
HIERARCH ESO ISS PBLA23 END 49.2
HIERARCH ESO ISS PBL24 START 87.705
HIERARCH ESO ISS PBL24 END 87.625
HIERARCH ESO ISS PBLA24 START 76.86
HIERARCH ESO ISS PBLA24 END 76.745
HIERARCH ESO ISS PBL34 START 52.903
HIERARCH ESO ISS PBL34 END 52.751
HIERARCH ESO ISS PBLA34 START 99.519
HIERARCH ESO ISS PBLA34 END 99.444
HIERARCH ESO ISS AMBI TAU0 START 0.003809
HIERARCH ESO ISS AMBI TAU0 END 0.004056
HIERARCH ESO ISS AMBI TEMP 11.93
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.52