Exposure
ID
MATIS.2025-08-09T06:41:19.289_1
Header ID
MATIS.2025-08-09T06:41:19.289
Date updated
2025-08-09 06:50:36 UTC+0000
Release date
2026-08-09 06:50:36 UTC+0000
UTC Start
2025-08-09 06:41:19.289
UTC End
2025-08-09 06:42:21.299
MJD Start
60896.27869548
MJD End
60896.279413188335
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.004852
Ambient temperature (°C)
12.39
Seeing (arcsec)
0.59
Observation
ID
69571
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
51678
Name
HD 218396
RA
346.871586
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 43.4680 43.5560 35.3000 35.3000
U1-U3 81.9570 82.1320 42.4000 42.5000
U1-U4 122.2670 122.4420 68.2540 68.1930
U2-U3 39.2080 39.2900 50.4000 50.4000
U2-U4 89.0150 89.0500 83.6790 83.5870
U3-U4 60.2070 60.1390 104.6110 104.5340
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 60896.27869548
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871586
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 43.468
HIERARCH ESO ISS PBL12 END 43.556
HIERARCH ESO ISS PBLA12 START 35.3
HIERARCH ESO ISS PBLA12 END 35.3
HIERARCH ESO ISS PBL13 START 81.957
HIERARCH ESO ISS PBL13 END 82.132
HIERARCH ESO ISS PBLA13 START 42.4
HIERARCH ESO ISS PBLA13 END 42.5
HIERARCH ESO ISS PBL14 START 122.267
HIERARCH ESO ISS PBL14 END 122.442
HIERARCH ESO ISS PBLA14 START 68.254
HIERARCH ESO ISS PBLA14 END 68.193
HIERARCH ESO ISS PBL23 START 39.208
HIERARCH ESO ISS PBL23 END 39.29
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.015
HIERARCH ESO ISS PBL24 END 89.05
HIERARCH ESO ISS PBLA24 START 83.679
HIERARCH ESO ISS PBLA24 END 83.587
HIERARCH ESO ISS PBL34 START 60.207
HIERARCH ESO ISS PBL34 END 60.139
HIERARCH ESO ISS PBLA34 START 104.611
HIERARCH ESO ISS PBLA34 END 104.534
HIERARCH ESO ISS AMBI TAU0 START 0.005417
HIERARCH ESO ISS AMBI TAU0 END 0.004287
HIERARCH ESO ISS AMBI TEMP 12.39
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.59