Exposure
ID
MATIS.2025-08-07T09:23:00.178_1
Header ID
MATIS.2025-08-07T09:23:00.178
Date updated
2025-08-07 09:31:09 UTC+0000
Release date
2026-08-07 09:31:09 UTC+0000
UTC Start
2025-08-07 09:23:00.178
UTC End
2025-08-07 09:24:06.622
MJD Start
60894.39097428
MJD End
60894.39174330778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.004147
Ambient temperature (°C)
13.59
Seeing (arcsec)
0.71
Observation
ID
69517
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
51632
Name
HD 218396
RA
346.871693
DEC
21.13409
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 53.8230 53.8720 37.3000 37.3000
U1-U3 100.0100 100.0760 40.7000 40.7000
U1-U4 127.5240 127.4230 55.1080 54.9730
U2-U3 46.3960 46.4110 44.7000 44.7000
U2-U4 78.0300 77.8430 67.2810 67.1210
U3-U4 39.4190 39.1950 94.1030 94.0230
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 60894.39097428
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871693
DEC 21.13409
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 53.823
HIERARCH ESO ISS PBL12 END 53.872
HIERARCH ESO ISS PBLA12 START 37.3
HIERARCH ESO ISS PBLA12 END 37.3
HIERARCH ESO ISS PBL13 START 100.01
HIERARCH ESO ISS PBL13 END 100.076
HIERARCH ESO ISS PBLA13 START 40.7
HIERARCH ESO ISS PBLA13 END 40.7
HIERARCH ESO ISS PBL14 START 127.524
HIERARCH ESO ISS PBL14 END 127.423
HIERARCH ESO ISS PBLA14 START 55.108
HIERARCH ESO ISS PBLA14 END 54.973
HIERARCH ESO ISS PBL23 START 46.396
HIERARCH ESO ISS PBL23 END 46.411
HIERARCH ESO ISS PBLA23 START 44.7
HIERARCH ESO ISS PBLA23 END 44.7
HIERARCH ESO ISS PBL24 START 78.03
HIERARCH ESO ISS PBL24 END 77.843
HIERARCH ESO ISS PBLA24 START 67.281
HIERARCH ESO ISS PBLA24 END 67.121
HIERARCH ESO ISS PBL34 START 39.419
HIERARCH ESO ISS PBL34 END 39.195
HIERARCH ESO ISS PBLA34 START 94.103
HIERARCH ESO ISS PBLA34 END 94.023
HIERARCH ESO ISS AMBI TAU0 START 0.004147
HIERARCH ESO ISS AMBI TAU0 END 0.004147
HIERARCH ESO ISS AMBI TEMP 13.59
HIERARCH ESO ISS AMBI FWHM START 0.73
HIERARCH ESO ISS AMBI FWHM END 0.69