Exposure
ID
MATIS.2025-08-06T08:17:19.065_1
Header ID
MATIS.2025-08-06T08:17:19.065
Date updated
2025-08-06 08:25:42 UTC+0000
Release date
2026-08-06 08:25:41 UTC+0000
UTC Start
2025-08-06 08:17:19.065
UTC End
2025-08-06 08:18:21.075
MJD Start
60893.34535955
MJD End
60893.346077258335
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005504
Ambient temperature (°C)
14.31
Seeing (arcsec)
0.525
Observation
ID
69289
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
51499
Name
HD 218396
RA
346.871642
DEC
21.13407
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 49.9850 50.0560 38.2000 38.2000
U1-U3 94.0070 94.1270 43.2000 43.2000
U1-U4 130.1100 130.1280 62.1770 62.0840
U2-U3 44.4200 44.4660 48.8000 48.7000
U2-U4 86.8400 86.7490 75.6990 75.5870
U3-U4 51.3460 51.1930 98.7720 98.7010
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 60893.34535955
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871642
DEC 21.13407
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 49.985
HIERARCH ESO ISS PBL12 END 50.056
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 94.007
HIERARCH ESO ISS PBL13 END 94.127
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 130.11
HIERARCH ESO ISS PBL14 END 130.128
HIERARCH ESO ISS PBLA14 START 62.177
HIERARCH ESO ISS PBLA14 END 62.084
HIERARCH ESO ISS PBL23 START 44.42
HIERARCH ESO ISS PBL23 END 44.466
HIERARCH ESO ISS PBLA23 START 48.8
HIERARCH ESO ISS PBLA23 END 48.7
HIERARCH ESO ISS PBL24 START 86.84
HIERARCH ESO ISS PBL24 END 86.749
HIERARCH ESO ISS PBLA24 START 75.699
HIERARCH ESO ISS PBLA24 END 75.587
HIERARCH ESO ISS PBL34 START 51.346
HIERARCH ESO ISS PBL34 END 51.193
HIERARCH ESO ISS PBLA34 START 98.772
HIERARCH ESO ISS PBLA34 END 98.701
HIERARCH ESO ISS AMBI TAU0 START 0.005514
HIERARCH ESO ISS AMBI TAU0 END 0.005494
HIERARCH ESO ISS AMBI TEMP 14.31
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.52