Exposure
ID
MATIS.2025-08-07T07:50:40.452_1
Header ID
MATIS.2025-08-07T07:50:40.452
Date updated
2025-08-07 08:00:52 UTC+0000
Release date
2026-08-07 08:00:52 UTC+0000
UTC Start
2025-08-07 07:50:40.452
UTC End
2025-08-07 07:51:46.896
MJD Start
60894.32685708
MJD End
60894.32762610778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.0089365
Ambient temperature (°C)
13.42
Seeing (arcsec)
0.71
Observation
ID
69473
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
51610
Name
HD 218396
RA
346.871681
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 48.3940 48.4890 37.9000 37.9000
U1-U3 91.2370 91.4060 43.4000 43.4000
U1-U4 129.2460 129.3200 64.0470 63.9450
U2-U3 43.3160 43.3860 49.6000 49.5000
U2-U4 88.4090 88.3390 78.0020 77.8740
U3-U4 54.3750 54.2140 100.2850 100.1970
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 60894.32685708
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871681
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 48.394
HIERARCH ESO ISS PBL12 END 48.489
HIERARCH ESO ISS PBLA12 START 37.9
HIERARCH ESO ISS PBLA12 END 37.9
HIERARCH ESO ISS PBL13 START 91.237
HIERARCH ESO ISS PBL13 END 91.406
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 129.246
HIERARCH ESO ISS PBL14 END 129.32
HIERARCH ESO ISS PBLA14 START 64.047
HIERARCH ESO ISS PBLA14 END 63.945
HIERARCH ESO ISS PBL23 START 43.316
HIERARCH ESO ISS PBL23 END 43.386
HIERARCH ESO ISS PBLA23 START 49.6
HIERARCH ESO ISS PBLA23 END 49.5
HIERARCH ESO ISS PBL24 START 88.409
HIERARCH ESO ISS PBL24 END 88.339
HIERARCH ESO ISS PBLA24 START 78.002
HIERARCH ESO ISS PBLA24 END 77.874
HIERARCH ESO ISS PBL34 START 54.375
HIERARCH ESO ISS PBL34 END 54.214
HIERARCH ESO ISS PBLA34 START 100.285
HIERARCH ESO ISS PBLA34 END 100.197
HIERARCH ESO ISS AMBI TAU0 START 0.008162
HIERARCH ESO ISS AMBI TAU0 END 0.009711
HIERARCH ESO ISS AMBI TEMP 13.42
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.71