Exposure
ID
MATIS.2025-08-06T08:00:57.826_1
Header ID
MATIS.2025-08-06T08:00:57.826
Date updated
2025-08-06 08:10:33 UTC+0000
Release date
2026-08-06 08:10:33 UTC+0000
UTC Start
2025-08-06 08:00:57.826
UTC End
2025-08-06 08:02:04.270
MJD Start
60893.33400262
MJD End
60893.33477164778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.008277
Ambient temperature (°C)
14.15
Seeing (arcsec)
0.54
Observation
ID
69274
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
51492
Name
HD 218396
RA
346.871633
DEC
21.13407
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 48.8550 48.9400 38.0000 38.0000
U1-U3 92.0520 92.2020 43.4000 43.4000
U1-U4 129.5790 129.6340 63.5410 63.4440
U2-U3 43.6490 43.7100 49.4000 49.3000
U2-U4 88.0400 87.9640 77.3720 77.2520
U3-U4 53.5720 53.4160 99.8580 99.7780
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 60893.33400262
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871633
DEC 21.13407
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 48.855
HIERARCH ESO ISS PBL12 END 48.94
HIERARCH ESO ISS PBLA12 START 38.0
HIERARCH ESO ISS PBLA12 END 38.0
HIERARCH ESO ISS PBL13 START 92.052
HIERARCH ESO ISS PBL13 END 92.202
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 129.579
HIERARCH ESO ISS PBL14 END 129.634
HIERARCH ESO ISS PBLA14 START 63.541
HIERARCH ESO ISS PBLA14 END 63.444
HIERARCH ESO ISS PBL23 START 43.649
HIERARCH ESO ISS PBL23 END 43.71
HIERARCH ESO ISS PBLA23 START 49.4
HIERARCH ESO ISS PBLA23 END 49.3
HIERARCH ESO ISS PBL24 START 88.04
HIERARCH ESO ISS PBL24 END 87.964
HIERARCH ESO ISS PBLA24 START 77.372
HIERARCH ESO ISS PBLA24 END 77.252
HIERARCH ESO ISS PBL34 START 53.572
HIERARCH ESO ISS PBL34 END 53.416
HIERARCH ESO ISS PBLA34 START 99.858
HIERARCH ESO ISS PBLA34 END 99.778
HIERARCH ESO ISS AMBI TAU0 START 0.008587
HIERARCH ESO ISS AMBI TAU0 END 0.007967
HIERARCH ESO ISS AMBI TEMP 14.15
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.56