Exposure
ID
MATIS.2025-07-10T09:23:57.434_1
Header ID
MATIS.2025-07-10T09:23:57.434
Date updated
2025-07-10 09:35:44 UTC+0000
Release date
2026-07-10 09:35:44 UTC+0000
UTC Start
2025-07-10 09:23:57.434
UTC End
2025-07-10 09:25:03.878
MJD Start
60866.39163697
MJD End
60866.39240599778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.004102
Ambient temperature (°C)
12.75
Seeing (arcsec)
0.56
Observation
ID
68563
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
50994
Name
HD 218396
RA
346.870962
DEC
21.13427
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 47.1280 47.2260 37.5000 37.5000
U1-U3 88.9470 89.1270 43.4000 43.4000
U1-U4 128.0220 128.1320 65.3160 65.2240
U2-U3 42.3540 42.4310 50.0000 50.0000
U2-U4 89.1140 89.0740 79.6200 79.5000
U3-U4 56.3180 56.1800 101.4280 101.3410
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 60866.39163697
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.870962
DEC 21.13427
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 47.128
HIERARCH ESO ISS PBL12 END 47.226
HIERARCH ESO ISS PBLA12 START 37.5
HIERARCH ESO ISS PBLA12 END 37.5
HIERARCH ESO ISS PBL13 START 88.947
HIERARCH ESO ISS PBL13 END 89.127
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.022
HIERARCH ESO ISS PBL14 END 128.132
HIERARCH ESO ISS PBLA14 START 65.316
HIERARCH ESO ISS PBLA14 END 65.224
HIERARCH ESO ISS PBL23 START 42.354
HIERARCH ESO ISS PBL23 END 42.431
HIERARCH ESO ISS PBLA23 START 50.0
HIERARCH ESO ISS PBLA23 END 50.0
HIERARCH ESO ISS PBL24 START 89.114
HIERARCH ESO ISS PBL24 END 89.074
HIERARCH ESO ISS PBLA24 START 79.62
HIERARCH ESO ISS PBLA24 END 79.5
HIERARCH ESO ISS PBL34 START 56.318
HIERARCH ESO ISS PBL34 END 56.18
HIERARCH ESO ISS PBLA34 START 101.428
HIERARCH ESO ISS PBLA34 END 101.341
HIERARCH ESO ISS AMBI TAU0 START 0.003969
HIERARCH ESO ISS AMBI TAU0 END 0.004235
HIERARCH ESO ISS AMBI TEMP 12.75
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.54