Exposure
ID
MATIS.2025-08-07T07:44:14.831_1
Header ID
MATIS.2025-08-07T07:44:14.831
Date updated
2025-08-07 07:50:45 UTC+0000
Release date
2026-08-07 07:50:44 UTC+0000
UTC Start
2025-08-07 07:44:14.831
UTC End
2025-08-07 07:45:21.275
MJD Start
60894.32239388
MJD End
60894.32316290778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.0073025
Ambient temperature (°C)
13.41
Seeing (arcsec)
0.76
Observation
ID
69467
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
51607
Name
HD 218396
RA
346.871676
DEC
21.13408
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 47.9170 48.0120 37.8000 37.8000
U1-U3 90.3830 90.5530 43.4000 43.4000
U1-U4 128.8370 128.9230 64.5440 64.4470
U2-U3 42.9620 43.0330 49.8000 49.7000
U2-U4 88.7260 88.6680 78.6290 78.5060
U3-U4 55.1500 55.0000 100.7190 100.6330
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 60894.32239388
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871676
DEC 21.13408
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 47.917
HIERARCH ESO ISS PBL12 END 48.012
HIERARCH ESO ISS PBLA12 START 37.8
HIERARCH ESO ISS PBLA12 END 37.8
HIERARCH ESO ISS PBL13 START 90.383
HIERARCH ESO ISS PBL13 END 90.553
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.837
HIERARCH ESO ISS PBL14 END 128.923
HIERARCH ESO ISS PBLA14 START 64.544
HIERARCH ESO ISS PBLA14 END 64.447
HIERARCH ESO ISS PBL23 START 42.962
HIERARCH ESO ISS PBL23 END 43.033
HIERARCH ESO ISS PBLA23 START 49.8
HIERARCH ESO ISS PBLA23 END 49.7
HIERARCH ESO ISS PBL24 START 88.726
HIERARCH ESO ISS PBL24 END 88.668
HIERARCH ESO ISS PBLA24 START 78.629
HIERARCH ESO ISS PBLA24 END 78.506
HIERARCH ESO ISS PBL34 START 55.15
HIERARCH ESO ISS PBL34 END 55.0
HIERARCH ESO ISS PBLA34 START 100.719
HIERARCH ESO ISS PBLA34 END 100.633
HIERARCH ESO ISS AMBI TAU0 START 0.0071
HIERARCH ESO ISS AMBI TAU0 END 0.007505
HIERARCH ESO ISS AMBI TEMP 13.41
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.77