Exposure
ID
MATIS.2025-08-06T07:12:11.720_1
Header ID
MATIS.2025-08-06T07:12:11.720
Date updated
2025-08-06 07:20:47 UTC+0000
Release date
2026-08-06 07:20:47 UTC+0000
UTC Start
2025-08-06 07:12:11.720
UTC End
2025-08-06 07:13:18.164
MJD Start
60893.30013565
MJD End
60893.30090467778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.006311
Ambient temperature (°C)
14.43
Seeing (arcsec)
0.53
Observation
ID
69232
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
51470
Name
HD 218396
RA
346.871604
DEC
21.13407
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 45.0710 45.1760 36.4000 36.5000
U1-U3 85.0870 85.2870 43.0000 43.1000
U1-U4 125.1710 125.3400 67.0750 66.9930
U2-U3 40.6510 40.7420 50.4000 50.4000
U2-U4 89.4130 89.4200 81.9790 81.8640
U3-U4 58.7780 58.6710 103.2200 103.1290
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 60893.30013565
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871604
DEC 21.13407
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 45.071
HIERARCH ESO ISS PBL12 END 45.176
HIERARCH ESO ISS PBLA12 START 36.4
HIERARCH ESO ISS PBLA12 END 36.5
HIERARCH ESO ISS PBL13 START 85.087
HIERARCH ESO ISS PBL13 END 85.287
HIERARCH ESO ISS PBLA13 START 43.0
HIERARCH ESO ISS PBLA13 END 43.1
HIERARCH ESO ISS PBL14 START 125.171
HIERARCH ESO ISS PBL14 END 125.34
HIERARCH ESO ISS PBLA14 START 67.075
HIERARCH ESO ISS PBLA14 END 66.993
HIERARCH ESO ISS PBL23 START 40.651
HIERARCH ESO ISS PBL23 END 40.742
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.413
HIERARCH ESO ISS PBL24 END 89.42
HIERARCH ESO ISS PBLA24 START 81.979
HIERARCH ESO ISS PBLA24 END 81.864
HIERARCH ESO ISS PBL34 START 58.778
HIERARCH ESO ISS PBL34 END 58.671
HIERARCH ESO ISS PBLA34 START 103.22
HIERARCH ESO ISS PBLA34 END 103.129
HIERARCH ESO ISS AMBI TAU0 START 0.005077
HIERARCH ESO ISS AMBI TAU0 END 0.007545
HIERARCH ESO ISS AMBI TEMP 14.43
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.47