Exposure
ID
MATIS.2025-07-10T09:27:16.041_1
Header ID
MATIS.2025-07-10T09:27:16.041
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 09:27:16.041
UTC End
2025-07-10 09:28:22.485
MJD Start
60866.39393566
MJD End
60866.39470468778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.004344
Ambient temperature (°C)
12.73
Seeing (arcsec)
0.5700000000000001
Observation
ID
68567
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
50996
Name
HD 218396
RA
346.870963
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 47.3820 47.4660 37.6000 37.6000
U1-U3 89.4130 89.5670 43.4000 43.4000
U1-U4 128.3030 128.3920 65.0740 64.9930
U2-U3 42.5530 42.6180 49.9000 49.9000
U2-U4 89.0060 88.9670 79.3070 79.2030
U3-U4 55.9560 55.8330 101.2020 101.1270
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 60866.39393566
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.870963
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 47.382
HIERARCH ESO ISS PBL12 END 47.466
HIERARCH ESO ISS PBLA12 START 37.6
HIERARCH ESO ISS PBLA12 END 37.6
HIERARCH ESO ISS PBL13 START 89.413
HIERARCH ESO ISS PBL13 END 89.567
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.303
HIERARCH ESO ISS PBL14 END 128.392
HIERARCH ESO ISS PBLA14 START 65.074
HIERARCH ESO ISS PBLA14 END 64.993
HIERARCH ESO ISS PBL23 START 42.553
HIERARCH ESO ISS PBL23 END 42.618
HIERARCH ESO ISS PBLA23 START 49.9
HIERARCH ESO ISS PBLA23 END 49.9
HIERARCH ESO ISS PBL24 START 89.006
HIERARCH ESO ISS PBL24 END 88.967
HIERARCH ESO ISS PBLA24 START 79.307
HIERARCH ESO ISS PBLA24 END 79.203
HIERARCH ESO ISS PBL34 START 55.956
HIERARCH ESO ISS PBL34 END 55.833
HIERARCH ESO ISS PBLA34 START 101.202
HIERARCH ESO ISS PBLA34 END 101.127
HIERARCH ESO ISS AMBI TAU0 START 0.004344
HIERARCH ESO ISS AMBI TAU0 END 0.004344
HIERARCH ESO ISS AMBI TEMP 12.73
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.51