Exposure
ID
MATIS.2025-08-06T07:08:53.856_1
Header ID
MATIS.2025-08-06T07:08:53.856
Date updated
2025-08-06 07:15:49 UTC+0000
Release date
2026-08-06 07:15:49 UTC+0000
UTC Start
2025-08-06 07:08:53.856
UTC End
2025-08-06 07:10:00.300
MJD Start
60893.29784556
MJD End
60893.29861458778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.0047740000000000005
Ambient temperature (°C)
14.5
Seeing (arcsec)
0.525
Observation
ID
69230
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
51469
Name
HD 218396
RA
346.871598
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 44.7980 44.9000 36.2000 36.3000
U1-U3 84.5600 84.7580 42.9000 43.0000
U1-U4 124.7160 124.8880 67.2870 67.2080
U2-U3 40.4120 40.5020 50.4000 50.4000
U2-U4 89.3820 89.3950 82.2760 82.1650
U3-U4 59.0500 58.9500 103.4570 103.3680
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 60893.29784556
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871598
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 44.798
HIERARCH ESO ISS PBL12 END 44.9
HIERARCH ESO ISS PBLA12 START 36.2
HIERARCH ESO ISS PBLA12 END 36.3
HIERARCH ESO ISS PBL13 START 84.56
HIERARCH ESO ISS PBL13 END 84.758
HIERARCH ESO ISS PBLA13 START 42.9
HIERARCH ESO ISS PBLA13 END 43.0
HIERARCH ESO ISS PBL14 START 124.716
HIERARCH ESO ISS PBL14 END 124.888
HIERARCH ESO ISS PBLA14 START 67.287
HIERARCH ESO ISS PBLA14 END 67.208
HIERARCH ESO ISS PBL23 START 40.412
HIERARCH ESO ISS PBL23 END 40.502
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.382
HIERARCH ESO ISS PBL24 END 89.395
HIERARCH ESO ISS PBLA24 START 82.276
HIERARCH ESO ISS PBLA24 END 82.165
HIERARCH ESO ISS PBL34 START 59.05
HIERARCH ESO ISS PBL34 END 58.95
HIERARCH ESO ISS PBLA34 START 103.457
HIERARCH ESO ISS PBLA34 END 103.368
HIERARCH ESO ISS AMBI TAU0 START 0.004522
HIERARCH ESO ISS AMBI TAU0 END 0.005026
HIERARCH ESO ISS AMBI TEMP 14.5
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.5