Exposure
ID
MATIS.2025-08-09T07:11:22.988_1
Header ID
MATIS.2025-08-09T07:11:22.988
Date updated
2025-08-09 07:20:33 UTC+0000
Release date
2026-08-09 07:20:33 UTC+0000
UTC Start
2025-08-09 07:11:22.988
UTC End
2025-08-09 07:12:24.998
MJD Start
60896.29957162
MJD End
60896.300289328334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.003991
Ambient temperature (°C)
12.38
Seeing (arcsec)
0.725
Observation
ID
69600
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
51693
Name
HD 218396
RA
346.871613
DEC
21.1339
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 45.9660 46.0520 36.9000 37.0000
U1-U3 86.7890 86.9490 43.2000 43.3000
U1-U4 126.5360 126.6570 66.3440 66.2720
U2-U3 41.4130 41.4840 50.3000 50.3000
U2-U4 89.4010 89.3900 80.9790 80.8820
U3-U4 57.8010 57.7010 102.4400 102.3660
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 60896.29957162
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871613
DEC 21.1339
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME LOW
HIERARCH ESO INS DIN ID LOW
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 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2385
HIERARCH ESO ISS PBL12 START 45.966
HIERARCH ESO ISS PBL12 END 46.052
HIERARCH ESO ISS PBLA12 START 36.9
HIERARCH ESO ISS PBLA12 END 37.0
HIERARCH ESO ISS PBL13 START 86.789
HIERARCH ESO ISS PBL13 END 86.949
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 126.536
HIERARCH ESO ISS PBL14 END 126.657
HIERARCH ESO ISS PBLA14 START 66.344
HIERARCH ESO ISS PBLA14 END 66.272
HIERARCH ESO ISS PBL23 START 41.413
HIERARCH ESO ISS PBL23 END 41.484
HIERARCH ESO ISS PBLA23 START 50.3
HIERARCH ESO ISS PBLA23 END 50.3
HIERARCH ESO ISS PBL24 START 89.401
HIERARCH ESO ISS PBL24 END 89.39
HIERARCH ESO ISS PBLA24 START 80.979
HIERARCH ESO ISS PBLA24 END 80.882
HIERARCH ESO ISS PBL34 START 57.801
HIERARCH ESO ISS PBL34 END 57.701
HIERARCH ESO ISS PBLA34 START 102.44
HIERARCH ESO ISS PBLA34 END 102.366
HIERARCH ESO ISS AMBI TAU0 START 0.003991
HIERARCH ESO ISS AMBI TAU0 END 0.003991
HIERARCH ESO ISS AMBI TEMP 12.38
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.7