Exposure
ID
MATIS.2025-07-10T09:46:51.300_1
Header ID
MATIS.2025-07-10T09:46:51.300
Date updated
2025-07-10 09:55:49 UTC+0000
Release date
2026-07-10 09:55:49 UTC+0000
UTC Start
2025-07-10 09:46:51.300
UTC End
2025-07-10 09:47:57.744
MJD Start
60866.40753819
MJD End
60866.408307217775
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.006485
Ambient temperature (°C)
12.64
Seeing (arcsec)
0.49
Observation
ID
68582
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
51004
Name
HD 218396
RA
346.870973
DEC
21.13428
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 48.8350 48.9280 38.0000 38.0000
U1-U3 92.0170 92.1810 43.4000 43.4000
U1-U4 129.5660 129.6260 63.5660 63.4610
U2-U3 43.6350 43.7010 49.4000 49.3000
U2-U4 88.0580 87.9760 77.4020 77.2720
U3-U4 53.6080 53.4400 99.8800 99.7930
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 60866.40753819
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.870973
DEC 21.13428
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 48.835
HIERARCH ESO ISS PBL12 END 48.928
HIERARCH ESO ISS PBLA12 START 38.0
HIERARCH ESO ISS PBLA12 END 38.0
HIERARCH ESO ISS PBL13 START 92.017
HIERARCH ESO ISS PBL13 END 92.181
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 129.566
HIERARCH ESO ISS PBL14 END 129.626
HIERARCH ESO ISS PBLA14 START 63.566
HIERARCH ESO ISS PBLA14 END 63.461
HIERARCH ESO ISS PBL23 START 43.635
HIERARCH ESO ISS PBL23 END 43.701
HIERARCH ESO ISS PBLA23 START 49.4
HIERARCH ESO ISS PBLA23 END 49.3
HIERARCH ESO ISS PBL24 START 88.058
HIERARCH ESO ISS PBL24 END 87.976
HIERARCH ESO ISS PBLA24 START 77.402
HIERARCH ESO ISS PBLA24 END 77.272
HIERARCH ESO ISS PBL34 START 53.608
HIERARCH ESO ISS PBL34 END 53.44
HIERARCH ESO ISS PBLA34 START 99.88
HIERARCH ESO ISS PBLA34 END 99.793
HIERARCH ESO ISS AMBI TAU0 START 0.006936
HIERARCH ESO ISS AMBI TAU0 END 0.006034
HIERARCH ESO ISS AMBI TEMP 12.64
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.51