Exposure
ID
MATIS.2025-08-05T08:26:06.036_1
Header ID
MATIS.2025-08-05T08:26:06.036
Date updated
2025-08-05 08:35:46 UTC+0000
Release date
2026-08-05 08:35:46 UTC+0000
UTC Start
2025-08-05 08:26:06.036
UTC End
2025-08-05 08:27:12.480
MJD Start
60892.35145875
MJD End
60892.35222777778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.005845
Ambient temperature (°C)
14.04
Seeing (arcsec)
0.63
Observation
ID
69055
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
51376
Name
HD 218396
RA
346.871671
DEC
21.13365
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 50.3050 50.3790 38.2000 38.2000
U1-U3 94.5480 94.6730 43.1000 43.1000
U1-U4 130.1790 130.1890 61.7510 61.6500
U2-U3 44.6260 44.6730 48.5000 48.5000
U2-U4 86.4150 86.3100 75.1840 75.0620
U3-U4 50.6400 50.4710 98.4500 98.3750
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 60892.35145875
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871671
DEC 21.13365
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 50.305
HIERARCH ESO ISS PBL12 END 50.379
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 94.548
HIERARCH ESO ISS PBL13 END 94.673
HIERARCH ESO ISS PBLA13 START 43.1
HIERARCH ESO ISS PBLA13 END 43.1
HIERARCH ESO ISS PBL14 START 130.179
HIERARCH ESO ISS PBL14 END 130.189
HIERARCH ESO ISS PBLA14 START 61.751
HIERARCH ESO ISS PBLA14 END 61.65
HIERARCH ESO ISS PBL23 START 44.626
HIERARCH ESO ISS PBL23 END 44.673
HIERARCH ESO ISS PBLA23 START 48.5
HIERARCH ESO ISS PBLA23 END 48.5
HIERARCH ESO ISS PBL24 START 86.415
HIERARCH ESO ISS PBL24 END 86.31
HIERARCH ESO ISS PBLA24 START 75.184
HIERARCH ESO ISS PBLA24 END 75.062
HIERARCH ESO ISS PBL34 START 50.64
HIERARCH ESO ISS PBL34 END 50.471
HIERARCH ESO ISS PBLA34 START 98.45
HIERARCH ESO ISS PBLA34 END 98.375
HIERARCH ESO ISS AMBI TAU0 START 0.005845
HIERARCH ESO ISS AMBI TAU0 END 0.005845
HIERARCH ESO ISS AMBI TEMP 14.04
HIERARCH ESO ISS AMBI FWHM START 0.63
HIERARCH ESO ISS AMBI FWHM END 0.63