Exposure
ID
MATIS.2025-08-07T05:45:09.244_1
Header ID
MATIS.2025-08-07T05:45:09.244
Date updated
2025-08-07 05:50:55 UTC+0000
Release date
2026-08-07 05:50:55 UTC+0000
UTC Start
2025-08-07 05:45:09.244
UTC End
2025-08-07 05:46:15.688
MJD Start
60894.23969032
MJD End
60894.24045934778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.0087275
Ambient temperature (°C)
13.1
Seeing (arcsec)
0.52
Observation
ID
69373
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
51559
Name
HD 218396
RA
346.871622
DEC
21.13381
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 37.9980 38.1050 28.9000 29.0000
U1-U3 70.3960 70.6390 38.0000 38.2000
U1-U4 107.7400 108.1060 71.4550 71.4020
U2-U3 33.4360 33.5640 48.5000 48.6000
U2-U4 83.8000 83.9640 89.3230 89.2060
U3-U4 62.4580 62.4510 109.8160 109.7010
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 60894.23969032
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871622
DEC 21.13381
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 37.998
HIERARCH ESO ISS PBL12 END 38.105
HIERARCH ESO ISS PBLA12 START 28.9
HIERARCH ESO ISS PBLA12 END 29.0
HIERARCH ESO ISS PBL13 START 70.396
HIERARCH ESO ISS PBL13 END 70.639
HIERARCH ESO ISS PBLA13 START 38.0
HIERARCH ESO ISS PBLA13 END 38.2
HIERARCH ESO ISS PBL14 START 107.74
HIERARCH ESO ISS PBL14 END 108.106
HIERARCH ESO ISS PBLA14 START 71.455
HIERARCH ESO ISS PBLA14 END 71.402
HIERARCH ESO ISS PBL23 START 33.436
HIERARCH ESO ISS PBL23 END 33.564
HIERARCH ESO ISS PBLA23 START 48.5
HIERARCH ESO ISS PBLA23 END 48.6
HIERARCH ESO ISS PBL24 START 83.8
HIERARCH ESO ISS PBL24 END 83.964
HIERARCH ESO ISS PBLA24 START 89.323
HIERARCH ESO ISS PBLA24 END 89.206
HIERARCH ESO ISS PBL34 START 62.458
HIERARCH ESO ISS PBL34 END 62.451
HIERARCH ESO ISS PBLA34 START 109.816
HIERARCH ESO ISS PBLA34 END 109.701
HIERARCH ESO ISS AMBI TAU0 START 0.009647
HIERARCH ESO ISS AMBI TAU0 END 0.007808
HIERARCH ESO ISS AMBI TEMP 13.1
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.54