Exposure
ID
MATIS.2025-08-06T06:54:02.557_1
Header ID
MATIS.2025-08-06T06:54:02.557
Date updated
2025-08-06 07:05:43 UTC+0000
Release date
2026-08-06 07:05:43 UTC+0000
UTC Start
2025-08-06 06:54:02.557
UTC End
2025-08-06 06:55:09.001
MJD Start
60893.28752959
MJD End
60893.28829861778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.0075745
Ambient temperature (°C)
14.62
Seeing (arcsec)
0.535
Observation
ID
69216
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
51462
Name
HD 218396
RA
346.871591
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 43.5460 43.6420 35.3000 35.4000
U1-U3 82.1120 82.3030 42.5000 42.5000
U1-U4 122.4220 122.6110 68.2030 68.1360
U2-U3 39.2810 39.3700 50.4000 50.4000
U2-U4 89.0470 89.0840 83.6010 83.5000
U3-U4 60.1460 60.0700 104.5460 104.4620
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 60893.28752959
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871591
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 43.546
HIERARCH ESO ISS PBL12 END 43.642
HIERARCH ESO ISS PBLA12 START 35.3
HIERARCH ESO ISS PBLA12 END 35.4
HIERARCH ESO ISS PBL13 START 82.112
HIERARCH ESO ISS PBL13 END 82.303
HIERARCH ESO ISS PBLA13 START 42.5
HIERARCH ESO ISS PBLA13 END 42.5
HIERARCH ESO ISS PBL14 START 122.422
HIERARCH ESO ISS PBL14 END 122.611
HIERARCH ESO ISS PBLA14 START 68.203
HIERARCH ESO ISS PBLA14 END 68.136
HIERARCH ESO ISS PBL23 START 39.281
HIERARCH ESO ISS PBL23 END 39.37
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.047
HIERARCH ESO ISS PBL24 END 89.084
HIERARCH ESO ISS PBLA24 START 83.601
HIERARCH ESO ISS PBLA24 END 83.5
HIERARCH ESO ISS PBL34 START 60.146
HIERARCH ESO ISS PBL34 END 60.07
HIERARCH ESO ISS PBLA34 START 104.546
HIERARCH ESO ISS PBLA34 END 104.462
HIERARCH ESO ISS AMBI TAU0 START 0.007627
HIERARCH ESO ISS AMBI TAU0 END 0.007522
HIERARCH ESO ISS AMBI TEMP 14.62
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.52