Exposure
ID
MATIS.2025-07-10T09:54:51.311_1
Header ID
MATIS.2025-07-10T09:54:51.311
Date updated
2025-07-10 10:06:11 UTC+0000
Release date
2026-07-10 10:06:11 UTC+0000
UTC Start
2025-07-10 09:54:51.311
UTC End
2025-07-10 09:55:57.755
MJD Start
60866.41309388
MJD End
60866.41386290778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.006531
Ambient temperature (°C)
12.52
Seeing (arcsec)
0.515
Observation
ID
68585
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
51006
Name
HD 218396
RA
346.870977
DEC
21.13428
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 49.3990 49.4840 38.1000 38.1000
U1-U3 93.0020 93.1490 43.3000 43.3000
U1-U4 129.8880 129.9270 62.9110 62.8070
U2-U3 44.0280 44.0860 49.1000 49.1000
U2-U4 87.5180 87.4270 76.5940 76.4680
U3-U4 52.5500 52.3810 99.3460 99.2640
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 60866.41309388
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.870977
DEC 21.13428
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 49.399
HIERARCH ESO ISS PBL12 END 49.484
HIERARCH ESO ISS PBLA12 START 38.1
HIERARCH ESO ISS PBLA12 END 38.1
HIERARCH ESO ISS PBL13 START 93.002
HIERARCH ESO ISS PBL13 END 93.149
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 129.888
HIERARCH ESO ISS PBL14 END 129.927
HIERARCH ESO ISS PBLA14 START 62.911
HIERARCH ESO ISS PBLA14 END 62.807
HIERARCH ESO ISS PBL23 START 44.028
HIERARCH ESO ISS PBL23 END 44.086
HIERARCH ESO ISS PBLA23 START 49.1
HIERARCH ESO ISS PBLA23 END 49.1
HIERARCH ESO ISS PBL24 START 87.518
HIERARCH ESO ISS PBL24 END 87.427
HIERARCH ESO ISS PBLA24 START 76.594
HIERARCH ESO ISS PBLA24 END 76.468
HIERARCH ESO ISS PBL34 START 52.55
HIERARCH ESO ISS PBL34 END 52.381
HIERARCH ESO ISS PBLA34 START 99.346
HIERARCH ESO ISS PBLA34 END 99.264
HIERARCH ESO ISS AMBI TAU0 START 0.006531
HIERARCH ESO ISS AMBI TAU0 END 0.006531
HIERARCH ESO ISS AMBI TEMP 12.52
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.54