Exposure
ID
MATIS.2025-07-10T09:35:10.107_1
Header ID
MATIS.2025-07-10T09:35:10.107
Date updated
2025-07-10 09:45:46 UTC+0000
Release date
2026-07-10 09:45:45 UTC+0000
UTC Start
2025-07-10 09:35:10.107
UTC End
2025-07-10 09:36:16.551
MJD Start
60866.39942253
MJD End
60866.400191557776
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.006794
Ambient temperature (°C)
12.69
Seeing (arcsec)
0.485
Observation
ID
68569
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
50997
Name
HD 218396
RA
346.87097
DEC
21.13427
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 47.9810 48.0680 37.8000 37.8000
U1-U3 90.4980 90.6540 43.4000 43.4000
U1-U4 128.8950 128.9730 64.4810 64.3920
U2-U3 43.0100 43.0750 49.7000 49.7000
U2-U4 88.6880 88.6330 78.5490 78.4360
U3-U4 55.0500 54.9110 100.6650 100.5860
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 60866.39942253
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.87097
DEC 21.13427
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 47.981
HIERARCH ESO ISS PBL12 END 48.068
HIERARCH ESO ISS PBLA12 START 37.8
HIERARCH ESO ISS PBLA12 END 37.8
HIERARCH ESO ISS PBL13 START 90.498
HIERARCH ESO ISS PBL13 END 90.654
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.895
HIERARCH ESO ISS PBL14 END 128.973
HIERARCH ESO ISS PBLA14 START 64.481
HIERARCH ESO ISS PBLA14 END 64.392
HIERARCH ESO ISS PBL23 START 43.01
HIERARCH ESO ISS PBL23 END 43.075
HIERARCH ESO ISS PBLA23 START 49.7
HIERARCH ESO ISS PBLA23 END 49.7
HIERARCH ESO ISS PBL24 START 88.688
HIERARCH ESO ISS PBL24 END 88.633
HIERARCH ESO ISS PBLA24 START 78.549
HIERARCH ESO ISS PBLA24 END 78.436
HIERARCH ESO ISS PBL34 START 55.05
HIERARCH ESO ISS PBL34 END 54.911
HIERARCH ESO ISS PBLA34 START 100.665
HIERARCH ESO ISS PBLA34 END 100.586
HIERARCH ESO ISS AMBI TAU0 START 0.006794
HIERARCH ESO ISS AMBI TAU0 END 0.006794
HIERARCH ESO ISS AMBI TEMP 12.69
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.48