Exposure
ID
MATIS.2025-08-06T06:17:54.526_1
Header ID
MATIS.2025-08-06T06:17:54.526
Date updated
2025-08-06 06:25:49 UTC+0000
Release date
2026-08-06 06:25:49 UTC+0000
UTC Start
2025-08-06 06:17:54.526
UTC End
2025-08-06 06:18:56.536
MJD Start
60893.26243664
MJD End
60893.26315434833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.007271
Ambient temperature (°C)
14.96
Seeing (arcsec)
0.595
Observation
ID
69185
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
51446
Name
HD 218396
RA
346.871564
DEC
21.13409
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 40.4370 40.5260 32.3000 32.4000
U1-U3 75.7400 75.9290 40.5000 40.6000
U1-U4 115.1750 115.4150 70.1640 70.1130
U2-U3 36.1910 36.2860 49.8000 49.8000
U2-U4 86.8810 86.9700 86.7710 86.6810
U3-U4 61.9270 61.8940 107.3580 107.2740
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 60893.26243664
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871564
DEC 21.13409
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 40.437
HIERARCH ESO ISS PBL12 END 40.526
HIERARCH ESO ISS PBLA12 START 32.3
HIERARCH ESO ISS PBLA12 END 32.4
HIERARCH ESO ISS PBL13 START 75.74
HIERARCH ESO ISS PBL13 END 75.929
HIERARCH ESO ISS PBLA13 START 40.5
HIERARCH ESO ISS PBLA13 END 40.6
HIERARCH ESO ISS PBL14 START 115.175
HIERARCH ESO ISS PBL14 END 115.415
HIERARCH ESO ISS PBLA14 START 70.164
HIERARCH ESO ISS PBLA14 END 70.113
HIERARCH ESO ISS PBL23 START 36.191
HIERARCH ESO ISS PBL23 END 36.286
HIERARCH ESO ISS PBLA23 START 49.8
HIERARCH ESO ISS PBLA23 END 49.8
HIERARCH ESO ISS PBL24 START 86.881
HIERARCH ESO ISS PBL24 END 86.97
HIERARCH ESO ISS PBLA24 START 86.771
HIERARCH ESO ISS PBLA24 END 86.681
HIERARCH ESO ISS PBL34 START 61.927
HIERARCH ESO ISS PBL34 END 61.894
HIERARCH ESO ISS PBLA34 START 107.358
HIERARCH ESO ISS PBLA34 END 107.274
HIERARCH ESO ISS AMBI TAU0 START 0.007518
HIERARCH ESO ISS AMBI TAU0 END 0.007024
HIERARCH ESO ISS AMBI TEMP 14.96
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.59