Exposure
ID
MATIS.2025-08-06T09:08:54.932_1
Header ID
MATIS.2025-08-06T09:08:54.932
Date updated
2025-08-06 09:15:49 UTC+0000
Release date
2026-08-06 09:15:49 UTC+0000
UTC Start
2025-08-06 09:08:54.932
UTC End
2025-08-06 09:10:01.376
MJD Start
60893.38119134
MJD End
60893.38196036778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.007259
Ambient temperature (°C)
14.13
Seeing (arcsec)
0.345
Observation
ID
69314
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
51513
Name
HD 218396
RA
346.871656
DEC
21.13408
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 52.9910 53.0460 37.8000 37.8000
U1-U3 98.8210 98.9030 41.6000 41.6000
U1-U4 128.8910 128.8190 57.1570 57.0330
U2-U3 46.0830 46.1060 46.0000 45.9000
U2-U4 80.8330 80.6670 69.7170 69.5700
U3-U4 42.8600 42.6510 95.3450 95.2690
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 60893.38119134
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871656
DEC 21.13408
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 52.991
HIERARCH ESO ISS PBL12 END 53.046
HIERARCH ESO ISS PBLA12 START 37.8
HIERARCH ESO ISS PBLA12 END 37.8
HIERARCH ESO ISS PBL13 START 98.821
HIERARCH ESO ISS PBL13 END 98.903
HIERARCH ESO ISS PBLA13 START 41.6
HIERARCH ESO ISS PBLA13 END 41.6
HIERARCH ESO ISS PBL14 START 128.891
HIERARCH ESO ISS PBL14 END 128.819
HIERARCH ESO ISS PBLA14 START 57.157
HIERARCH ESO ISS PBLA14 END 57.033
HIERARCH ESO ISS PBL23 START 46.083
HIERARCH ESO ISS PBL23 END 46.106
HIERARCH ESO ISS PBLA23 START 46.0
HIERARCH ESO ISS PBLA23 END 45.9
HIERARCH ESO ISS PBL24 START 80.833
HIERARCH ESO ISS PBL24 END 80.667
HIERARCH ESO ISS PBLA24 START 69.717
HIERARCH ESO ISS PBLA24 END 69.57
HIERARCH ESO ISS PBL34 START 42.86
HIERARCH ESO ISS PBL34 END 42.651
HIERARCH ESO ISS PBLA34 START 95.345
HIERARCH ESO ISS PBLA34 END 95.269
HIERARCH ESO ISS AMBI TAU0 START 0.007726
HIERARCH ESO ISS AMBI TAU0 END 0.006792
HIERARCH ESO ISS AMBI TEMP 14.13
HIERARCH ESO ISS AMBI FWHM START 0.35
HIERARCH ESO ISS AMBI FWHM END 0.34