Exposure
ID
MATIS.2025-08-09T08:26:28.685_1
Header ID
MATIS.2025-08-09T08:26:28.685
Date updated
2025-08-09 08:35:37 UTC+0000
Release date
2026-08-09 08:35:36 UTC+0000
UTC Start
2025-08-09 08:26:28.685
UTC End
2025-08-09 08:27:35.129
MJD Start
60896.35172089
MJD End
60896.35248991778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.005567
Ambient temperature (°C)
12.62
Seeing (arcsec)
0.485
Observation
ID
69655
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
51721
Name
HD 218396
RA
346.871655
DEC
21.13389
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 51.3130 51.3890 38.2000 38.2000
U1-U3 96.2140 96.3360 42.7000 42.7000
U1-U4 130.1270 130.1050 60.2740 60.1540
U2-U3 45.2360 45.2790 47.8000 47.7000
U2-U4 84.7890 84.6480 73.4140 73.2710
U3-U4 48.1580 47.9550 97.3860 97.3030
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 60896.35172089
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871655
DEC 21.13389
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 51.313
HIERARCH ESO ISS PBL12 END 51.389
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 96.214
HIERARCH ESO ISS PBL13 END 96.336
HIERARCH ESO ISS PBLA13 START 42.7
HIERARCH ESO ISS PBLA13 END 42.7
HIERARCH ESO ISS PBL14 START 130.127
HIERARCH ESO ISS PBL14 END 130.105
HIERARCH ESO ISS PBLA14 START 60.274
HIERARCH ESO ISS PBLA14 END 60.154
HIERARCH ESO ISS PBL23 START 45.236
HIERARCH ESO ISS PBL23 END 45.279
HIERARCH ESO ISS PBLA23 START 47.8
HIERARCH ESO ISS PBLA23 END 47.7
HIERARCH ESO ISS PBL24 START 84.789
HIERARCH ESO ISS PBL24 END 84.648
HIERARCH ESO ISS PBLA24 START 73.414
HIERARCH ESO ISS PBLA24 END 73.271
HIERARCH ESO ISS PBL34 START 48.158
HIERARCH ESO ISS PBL34 END 47.955
HIERARCH ESO ISS PBLA34 START 97.386
HIERARCH ESO ISS PBLA34 END 97.303
HIERARCH ESO ISS AMBI TAU0 START 0.005461
HIERARCH ESO ISS AMBI TAU0 END 0.005673
HIERARCH ESO ISS AMBI TEMP 12.62
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.5