Exposure
ID
MATIS.2025-08-11T08:05:34.865_1
Header ID
MATIS.2025-08-11T08:05:34.865
Date updated
2025-08-11 08:10:42 UTC+0000
Release date
2026-08-11 08:10:41 UTC+0000
UTC Start
2025-08-11 08:05:34.865
UTC End
2025-08-11 08:06:36.875
MJD Start
60898.33720909
MJD End
60898.33792679833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.004866499999999999
Ambient temperature (°C)
14.73
Seeing (arcsec)
0.37
Observation
ID
69926
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
51892
Name
HD 218396
RA
346.871662
DEC
21.1337
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 50.5050 50.5710 38.2000 38.2000
U1-U3 94.8830 94.9940 43.0000 43.0000
U1-U4 130.2020 130.2070 61.4790 61.3860
U2-U3 44.7520 44.7930 48.4000 48.4000
U2-U4 86.1290 86.0300 74.8550 74.7440
U3-U4 50.1810 50.0260 98.2490 98.1810
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 60898.33720909
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871662
DEC 21.1337
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 50.505
HIERARCH ESO ISS PBL12 END 50.571
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 94.883
HIERARCH ESO ISS PBL13 END 94.994
HIERARCH ESO ISS PBLA13 START 43.0
HIERARCH ESO ISS PBLA13 END 43.0
HIERARCH ESO ISS PBL14 START 130.202
HIERARCH ESO ISS PBL14 END 130.207
HIERARCH ESO ISS PBLA14 START 61.479
HIERARCH ESO ISS PBLA14 END 61.386
HIERARCH ESO ISS PBL23 START 44.752
HIERARCH ESO ISS PBL23 END 44.793
HIERARCH ESO ISS PBLA23 START 48.4
HIERARCH ESO ISS PBLA23 END 48.4
HIERARCH ESO ISS PBL24 START 86.129
HIERARCH ESO ISS PBL24 END 86.03
HIERARCH ESO ISS PBLA24 START 74.855
HIERARCH ESO ISS PBLA24 END 74.744
HIERARCH ESO ISS PBL34 START 50.181
HIERARCH ESO ISS PBL34 END 50.026
HIERARCH ESO ISS PBLA34 START 98.249
HIERARCH ESO ISS PBLA34 END 98.181
HIERARCH ESO ISS AMBI TAU0 START 0.004572
HIERARCH ESO ISS AMBI TAU0 END 0.005161
HIERARCH ESO ISS AMBI TEMP 14.73
HIERARCH ESO ISS AMBI FWHM START 0.39
HIERARCH ESO ISS AMBI FWHM END 0.35