Exposure
ID
MATIS.2025-08-07T07:39:27.768_1
Header ID
MATIS.2025-08-07T07:39:27.768
Date updated
2025-08-07 07:50:45 UTC+0000
Release date
2026-08-07 07:50:44 UTC+0000
UTC Start
2025-08-07 07:39:27.768
UTC End
2025-08-07 07:40:34.212
MJD Start
60894.31907139
MJD End
60894.319840417775
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.0072005
Ambient temperature (°C)
13.39
Seeing (arcsec)
0.74
Observation
ID
69465
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
51606
Name
HD 218396
RA
346.871677
DEC
21.13408
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 47.5540 47.6500 37.6000 37.7000
U1-U3 89.7310 89.9010 43.4000 43.4000
U1-U4 128.4860 128.5800 64.9030 64.8110
U2-U3 42.6880 42.7600 49.9000 49.9000
U2-U4 88.9230 88.8750 79.0870 78.9690
U3-U4 55.6990 55.5590 101.0430 100.9590
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 60894.31907139
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871677
DEC 21.13408
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 47.554
HIERARCH ESO ISS PBL12 END 47.65
HIERARCH ESO ISS PBLA12 START 37.6
HIERARCH ESO ISS PBLA12 END 37.7
HIERARCH ESO ISS PBL13 START 89.731
HIERARCH ESO ISS PBL13 END 89.901
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.486
HIERARCH ESO ISS PBL14 END 128.58
HIERARCH ESO ISS PBLA14 START 64.903
HIERARCH ESO ISS PBLA14 END 64.811
HIERARCH ESO ISS PBL23 START 42.688
HIERARCH ESO ISS PBL23 END 42.76
HIERARCH ESO ISS PBLA23 START 49.9
HIERARCH ESO ISS PBLA23 END 49.9
HIERARCH ESO ISS PBL24 START 88.923
HIERARCH ESO ISS PBL24 END 88.875
HIERARCH ESO ISS PBLA24 START 79.087
HIERARCH ESO ISS PBLA24 END 78.969
HIERARCH ESO ISS PBL34 START 55.699
HIERARCH ESO ISS PBL34 END 55.559
HIERARCH ESO ISS PBLA34 START 101.043
HIERARCH ESO ISS PBLA34 END 100.959
HIERARCH ESO ISS AMBI TAU0 START 0.007147
HIERARCH ESO ISS AMBI TAU0 END 0.007254
HIERARCH ESO ISS AMBI TEMP 13.39
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.71