Exposure
ID
MATIS.2025-08-06T05:56:13.300_1
Header ID
MATIS.2025-08-06T05:56:13.300
Date updated
2025-08-06 06:00:32 UTC+0000
Release date
2026-08-06 06:00:32 UTC+0000
UTC Start
2025-08-06 05:56:13.300
UTC End
2025-08-06 05:57:19.744
MJD Start
60893.24737616
MJD End
60893.248145187776
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.007699
Ambient temperature (°C)
15.15
Seeing (arcsec)
0.57
Observation
ID
69168
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
51438
Name
HD 218396
RA
346.871553
DEC
21.13411
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 38.5900 38.6990 29.8000 30.0000
U1-U3 71.7260 71.9690 38.7000 38.9000
U1-U4 109.7100 110.0610 71.1590 71.1040
U2-U3 34.1370 34.2630 48.9000 48.9000
U2-U4 84.6710 84.8230 88.6860 88.5700
U3-U4 62.3990 62.3840 109.1880 109.0750
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 60893.24737616
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871553
DEC 21.13411
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 38.59
HIERARCH ESO ISS PBL12 END 38.699
HIERARCH ESO ISS PBLA12 START 29.8
HIERARCH ESO ISS PBLA12 END 30.0
HIERARCH ESO ISS PBL13 START 71.726
HIERARCH ESO ISS PBL13 END 71.969
HIERARCH ESO ISS PBLA13 START 38.7
HIERARCH ESO ISS PBLA13 END 38.9
HIERARCH ESO ISS PBL14 START 109.71
HIERARCH ESO ISS PBL14 END 110.061
HIERARCH ESO ISS PBLA14 START 71.159
HIERARCH ESO ISS PBLA14 END 71.104
HIERARCH ESO ISS PBL23 START 34.137
HIERARCH ESO ISS PBL23 END 34.263
HIERARCH ESO ISS PBLA23 START 48.9
HIERARCH ESO ISS PBLA23 END 48.9
HIERARCH ESO ISS PBL24 START 84.671
HIERARCH ESO ISS PBL24 END 84.823
HIERARCH ESO ISS PBLA24 START 88.686
HIERARCH ESO ISS PBLA24 END 88.57
HIERARCH ESO ISS PBL34 START 62.399
HIERARCH ESO ISS PBL34 END 62.384
HIERARCH ESO ISS PBLA34 START 109.188
HIERARCH ESO ISS PBLA34 END 109.075
HIERARCH ESO ISS AMBI TAU0 START 0.007699
HIERARCH ESO ISS AMBI TAU0 END 0.007699
HIERARCH ESO ISS AMBI TEMP 15.15
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57