Exposure
ID
MATIS.2025-07-10T09:36:45.061_1
Header ID
MATIS.2025-07-10T09:36:45.061
Date updated
2025-07-10 09:40:46 UTC+0000
Release date
2026-07-10 09:40:46 UTC+0000
UTC Start
2025-07-10 09:36:45.061
UTC End
2025-07-10 09:37:51.505
MJD Start
60866.40052154
MJD End
60866.40129056778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.006794
Ambient temperature (°C)
12.68
Seeing (arcsec)
0.48
Observation
ID
68573
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
50999
Name
HD 218396
RA
346.870968
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 48.0980 48.1890 37.8000 37.8000
U1-U3 90.7070 90.8710 43.4000 43.4000
U1-U4 128.9990 129.0780 64.3610 64.2660
U2-U3 43.0970 43.1650 49.7000 49.7000
U2-U4 88.6140 88.5540 78.3970 78.2770
U3-U4 54.8640 54.7150 100.5590 100.4750
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 60866.40052154
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.870968
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 48.098
HIERARCH ESO ISS PBL12 END 48.189
HIERARCH ESO ISS PBLA12 START 37.8
HIERARCH ESO ISS PBLA12 END 37.8
HIERARCH ESO ISS PBL13 START 90.707
HIERARCH ESO ISS PBL13 END 90.871
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.999
HIERARCH ESO ISS PBL14 END 129.078
HIERARCH ESO ISS PBLA14 START 64.361
HIERARCH ESO ISS PBLA14 END 64.266
HIERARCH ESO ISS PBL23 START 43.097
HIERARCH ESO ISS PBL23 END 43.165
HIERARCH ESO ISS PBLA23 START 49.7
HIERARCH ESO ISS PBLA23 END 49.7
HIERARCH ESO ISS PBL24 START 88.614
HIERARCH ESO ISS PBL24 END 88.554
HIERARCH ESO ISS PBLA24 START 78.397
HIERARCH ESO ISS PBLA24 END 78.277
HIERARCH ESO ISS PBL34 START 54.864
HIERARCH ESO ISS PBL34 END 54.715
HIERARCH ESO ISS PBLA34 START 100.559
HIERARCH ESO ISS PBLA34 END 100.475
HIERARCH ESO ISS AMBI TAU0 START 0.006794
HIERARCH ESO ISS AMBI TAU0 END 0.006794
HIERARCH ESO ISS AMBI TEMP 12.68
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.48