Exposure
ID
MATIS.2025-07-10T09:38:21.234_1
Header ID
MATIS.2025-07-10T09:38:21.234
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 09:38:21.234
UTC End
2025-07-10 09:39:27.678
MJD Start
60866.40163465
MJD End
60866.40240367778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.0053295
Ambient temperature (°C)
12.68
Seeing (arcsec)
0.575
Observation
ID
68575
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
51000
Name
HD 218396
RA
346.870972
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 48.2160 48.3120 37.9000 37.9000
U1-U3 90.9200 91.0910 43.4000 43.4000
U1-U4 129.1010 129.1800 64.2370 64.1360
U2-U3 43.1860 43.2560 49.6000 49.6000
U2-U4 88.5350 88.4690 78.2410 78.1140
U3-U4 54.6710 54.5130 100.4510 100.3630
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 60866.40163465
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.870972
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 48.216
HIERARCH ESO ISS PBL12 END 48.312
HIERARCH ESO ISS PBLA12 START 37.9
HIERARCH ESO ISS PBLA12 END 37.9
HIERARCH ESO ISS PBL13 START 90.92
HIERARCH ESO ISS PBL13 END 91.091
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 129.101
HIERARCH ESO ISS PBL14 END 129.18
HIERARCH ESO ISS PBLA14 START 64.237
HIERARCH ESO ISS PBLA14 END 64.136
HIERARCH ESO ISS PBL23 START 43.186
HIERARCH ESO ISS PBL23 END 43.256
HIERARCH ESO ISS PBLA23 START 49.6
HIERARCH ESO ISS PBLA23 END 49.6
HIERARCH ESO ISS PBL24 START 88.535
HIERARCH ESO ISS PBL24 END 88.469
HIERARCH ESO ISS PBLA24 START 78.241
HIERARCH ESO ISS PBLA24 END 78.114
HIERARCH ESO ISS PBL34 START 54.671
HIERARCH ESO ISS PBL34 END 54.513
HIERARCH ESO ISS PBLA34 START 100.451
HIERARCH ESO ISS PBLA34 END 100.363
HIERARCH ESO ISS AMBI TAU0 START 0.005504
HIERARCH ESO ISS AMBI TAU0 END 0.005155
HIERARCH ESO ISS AMBI TEMP 12.68
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.59