Exposure
ID
MATIS.2025-08-06T05:46:37.841_1
Header ID
MATIS.2025-08-06T05:46:37.841
Date updated
2025-08-06 05:55:45 UTC+0000
Release date
2026-08-06 05:55:45 UTC+0000
UTC Start
2025-08-06 05:46:37.841
UTC End
2025-08-06 05:47:39.851
MJD Start
60893.24071575
MJD End
60893.24143345833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.008429
Ambient temperature (°C)
15.29
Seeing (arcsec)
0.54
Observation
ID
69163
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
51435
Name
HD 218396
RA
346.871548
DEC
21.13411
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 37.7970 37.8820 28.5000 28.7000
U1-U3 69.9390 70.1320 37.8000 37.9000
U1-U4 107.0450 107.3400 71.5530 71.5120
U2-U3 33.1930 33.2950 48.3000 48.4000
U2-U4 83.4850 83.6190 89.5430 89.4500
U3-U4 62.4670 62.4640 110.0350 109.9420
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 60893.24071575
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871548
DEC 21.13411
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 37.797
HIERARCH ESO ISS PBL12 END 37.882
HIERARCH ESO ISS PBLA12 START 28.5
HIERARCH ESO ISS PBLA12 END 28.7
HIERARCH ESO ISS PBL13 START 69.939
HIERARCH ESO ISS PBL13 END 70.132
HIERARCH ESO ISS PBLA13 START 37.8
HIERARCH ESO ISS PBLA13 END 37.9
HIERARCH ESO ISS PBL14 START 107.045
HIERARCH ESO ISS PBL14 END 107.34
HIERARCH ESO ISS PBLA14 START 71.553
HIERARCH ESO ISS PBLA14 END 71.512
HIERARCH ESO ISS PBL23 START 33.193
HIERARCH ESO ISS PBL23 END 33.295
HIERARCH ESO ISS PBLA23 START 48.3
HIERARCH ESO ISS PBLA23 END 48.4
HIERARCH ESO ISS PBL24 START 83.485
HIERARCH ESO ISS PBL24 END 83.619
HIERARCH ESO ISS PBLA24 START 89.543
HIERARCH ESO ISS PBLA24 END 89.45
HIERARCH ESO ISS PBL34 START 62.467
HIERARCH ESO ISS PBL34 END 62.464
HIERARCH ESO ISS PBLA34 START 110.035
HIERARCH ESO ISS PBLA34 END 109.942
HIERARCH ESO ISS AMBI TAU0 START 0.008429
HIERARCH ESO ISS AMBI TAU0 END 0.008429
HIERARCH ESO ISS AMBI TEMP 15.29
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.54