Exposure
ID
MATIS.2025-08-11T07:52:05.920_1
Header ID
MATIS.2025-08-11T07:52:05.920
Date updated
2025-08-11 08:00:43 UTC+0000
Release date
2026-08-11 08:00:43 UTC+0000
UTC Start
2025-08-11 07:52:05.920
UTC End
2025-08-11 07:53:12.364
MJD Start
60898.3278463
MJD End
60898.32861532778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.005451
Ambient temperature (°C)
14.67
Seeing (arcsec)
0.36
Observation
ID
69915
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
51887
Name
HD 218396
RA
346.871657
DEC
21.1337
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 49.6090 49.6980 38.2000 38.2000
U1-U3 93.3640 93.5160 43.3000 43.2000
U1-U4 129.9810 130.0160 62.6540 62.5440
U2-U3 44.1710 44.2300 49.0000 48.9000
U2-U4 87.2890 87.1870 76.2790 76.1450
U3-U4 52.1300 51.9490 99.1420 99.0560
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 60898.3278463
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871657
DEC 21.1337
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 49.609
HIERARCH ESO ISS PBL12 END 49.698
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 93.364
HIERARCH ESO ISS PBL13 END 93.516
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 129.981
HIERARCH ESO ISS PBL14 END 130.016
HIERARCH ESO ISS PBLA14 START 62.654
HIERARCH ESO ISS PBLA14 END 62.544
HIERARCH ESO ISS PBL23 START 44.171
HIERARCH ESO ISS PBL23 END 44.23
HIERARCH ESO ISS PBLA23 START 49.0
HIERARCH ESO ISS PBLA23 END 48.9
HIERARCH ESO ISS PBL24 START 87.289
HIERARCH ESO ISS PBL24 END 87.187
HIERARCH ESO ISS PBLA24 START 76.279
HIERARCH ESO ISS PBLA24 END 76.145
HIERARCH ESO ISS PBL34 START 52.13
HIERARCH ESO ISS PBL34 END 51.949
HIERARCH ESO ISS PBLA34 START 99.142
HIERARCH ESO ISS PBLA34 END 99.056
HIERARCH ESO ISS AMBI TAU0 START 0.005451
HIERARCH ESO ISS AMBI TAU0 END 0.005451
HIERARCH ESO ISS AMBI TEMP 14.67
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.36