Exposure
ID
MATIS.2025-08-11T08:33:12.612_1
Header ID
MATIS.2025-08-11T08:33:12.612
Date updated
2025-08-11 08:40:42 UTC+0000
Release date
2026-08-11 08:40:42 UTC+0000
UTC Start
2025-08-11 08:33:12.612
UTC End
2025-08-11 08:34:19.056
MJD Start
60898.35639597
MJD End
60898.357164997775
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.005085
Ambient temperature (°C)
14.96
Seeing (arcsec)
0.4
Observation
ID
69940
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
51901
Name
HD 218396
RA
346.871657
DEC
21.13371
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 52.1540 52.2160 38.1000 38.1000
U1-U3 97.5500 97.6470 42.2000 42.2000
U1-U4 129.7170 129.6710 58.8430 58.7280
U2-U3 45.6900 45.7220 47.0000 46.9000
U2-U4 83.0370 82.8910 71.7130 71.5770
U3-U4 45.7210 45.5250 96.4220 96.3460
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 60898.35639597
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871657
DEC 21.13371
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 52.154
HIERARCH ESO ISS PBL12 END 52.216
HIERARCH ESO ISS PBLA12 START 38.1
HIERARCH ESO ISS PBLA12 END 38.1
HIERARCH ESO ISS PBL13 START 97.55
HIERARCH ESO ISS PBL13 END 97.647
HIERARCH ESO ISS PBLA13 START 42.2
HIERARCH ESO ISS PBLA13 END 42.2
HIERARCH ESO ISS PBL14 START 129.717
HIERARCH ESO ISS PBL14 END 129.671
HIERARCH ESO ISS PBLA14 START 58.843
HIERARCH ESO ISS PBLA14 END 58.728
HIERARCH ESO ISS PBL23 START 45.69
HIERARCH ESO ISS PBL23 END 45.722
HIERARCH ESO ISS PBLA23 START 47.0
HIERARCH ESO ISS PBLA23 END 46.9
HIERARCH ESO ISS PBL24 START 83.037
HIERARCH ESO ISS PBL24 END 82.891
HIERARCH ESO ISS PBLA24 START 71.713
HIERARCH ESO ISS PBLA24 END 71.577
HIERARCH ESO ISS PBL34 START 45.721
HIERARCH ESO ISS PBL34 END 45.525
HIERARCH ESO ISS PBLA34 START 96.422
HIERARCH ESO ISS PBLA34 END 96.346
HIERARCH ESO ISS AMBI TAU0 START 0.005085
HIERARCH ESO ISS AMBI TAU0 END 0.005085
HIERARCH ESO ISS AMBI TEMP 14.96
HIERARCH ESO ISS AMBI FWHM START 0.37
HIERARCH ESO ISS AMBI FWHM END 0.43