Exposure
ID
MATIS.2025-08-06T08:36:16.629_1
Header ID
MATIS.2025-08-06T08:36:16.629
Date updated
2025-08-06 08:40:53 UTC+0000
Release date
2026-08-06 08:40:52 UTC+0000
UTC Start
2025-08-06 08:36:16.629
UTC End
2025-08-06 08:37:23.073
MJD Start
60893.3585258
MJD End
60893.35929482778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.00697
Ambient temperature (°C)
14.27
Seeing (arcsec)
0.43
Observation
ID
69296
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
51504
Name
HD 218396
RA
346.87165
DEC
21.13407
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 51.1930 51.2720 38.2000 38.2000
U1-U3 96.0190 96.1470 42.8000 42.7000
U1-U4 130.1560 130.1380 60.4640 60.3420
U2-U3 45.1670 45.2120 47.9000 47.8000
U2-U4 85.0070 84.8650 73.6400 73.4940
U3-U4 48.4760 48.2680 97.5200 97.4340
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 60893.3585258
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.87165
DEC 21.13407
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 51.193
HIERARCH ESO ISS PBL12 END 51.272
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 96.019
HIERARCH ESO ISS PBL13 END 96.147
HIERARCH ESO ISS PBLA13 START 42.8
HIERARCH ESO ISS PBLA13 END 42.7
HIERARCH ESO ISS PBL14 START 130.156
HIERARCH ESO ISS PBL14 END 130.138
HIERARCH ESO ISS PBLA14 START 60.464
HIERARCH ESO ISS PBLA14 END 60.342
HIERARCH ESO ISS PBL23 START 45.167
HIERARCH ESO ISS PBL23 END 45.212
HIERARCH ESO ISS PBLA23 START 47.9
HIERARCH ESO ISS PBLA23 END 47.8
HIERARCH ESO ISS PBL24 START 85.007
HIERARCH ESO ISS PBL24 END 84.865
HIERARCH ESO ISS PBLA24 START 73.64
HIERARCH ESO ISS PBLA24 END 73.494
HIERARCH ESO ISS PBL34 START 48.476
HIERARCH ESO ISS PBL34 END 48.268
HIERARCH ESO ISS PBLA34 START 97.52
HIERARCH ESO ISS PBLA34 END 97.434
HIERARCH ESO ISS AMBI TAU0 START 0.00697
HIERARCH ESO ISS AMBI TAU0 END 0.00697
HIERARCH ESO ISS AMBI TEMP 14.27
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.43