Exposure
ID
MATIS.2025-08-07T06:15:58.789_1
Header ID
MATIS.2025-08-07T06:15:58.789
Date updated
2025-08-07 06:30:39 UTC+0000
Release date
2026-08-07 06:30:38 UTC+0000
UTC Start
2025-08-07 06:15:58.789
UTC End
2025-08-07 06:17:00.799
MJD Start
60894.26109709
MJD End
60894.26181479833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.007336499999999999
Ambient temperature (°C)
13.49
Seeing (arcsec)
0.545
Observation
ID
69410
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
51576
Name
HD 218396
RA
346.871641
DEC
21.1338
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 40.6110 40.7000 32.5000 32.6000
U1-U3 76.1070 76.2950 40.7000 40.7000
U1-U4 115.6400 115.8760 70.0640 70.0130
U2-U3 36.3750 36.4690 49.8000 49.9000
U2-U4 87.0520 87.1370 86.5950 86.5050
U3-U4 61.8610 61.8260 107.1940 107.1110
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 60894.26109709
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871641
DEC 21.1338
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 40.611
HIERARCH ESO ISS PBL12 END 40.7
HIERARCH ESO ISS PBLA12 START 32.5
HIERARCH ESO ISS PBLA12 END 32.6
HIERARCH ESO ISS PBL13 START 76.107
HIERARCH ESO ISS PBL13 END 76.295
HIERARCH ESO ISS PBLA13 START 40.7
HIERARCH ESO ISS PBLA13 END 40.7
HIERARCH ESO ISS PBL14 START 115.64
HIERARCH ESO ISS PBL14 END 115.876
HIERARCH ESO ISS PBLA14 START 70.064
HIERARCH ESO ISS PBLA14 END 70.013
HIERARCH ESO ISS PBL23 START 36.375
HIERARCH ESO ISS PBL23 END 36.469
HIERARCH ESO ISS PBLA23 START 49.8
HIERARCH ESO ISS PBLA23 END 49.9
HIERARCH ESO ISS PBL24 START 87.052
HIERARCH ESO ISS PBL24 END 87.137
HIERARCH ESO ISS PBLA24 START 86.595
HIERARCH ESO ISS PBLA24 END 86.505
HIERARCH ESO ISS PBL34 START 61.861
HIERARCH ESO ISS PBL34 END 61.826
HIERARCH ESO ISS PBLA34 START 107.194
HIERARCH ESO ISS PBLA34 END 107.111
HIERARCH ESO ISS AMBI TAU0 START 0.007612
HIERARCH ESO ISS AMBI TAU0 END 0.007061
HIERARCH ESO ISS AMBI TEMP 13.49
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.56