Exposure
ID
MATIS.2025-08-06T08:31:06.126_1
Header ID
MATIS.2025-08-06T08:31:06.126
Date updated
2025-08-06 08:40:53 UTC+0000
Release date
2026-08-06 08:40:52 UTC+0000
UTC Start
2025-08-06 08:31:06.126
UTC End
2025-08-06 08:32:08.136
MJD Start
60893.35493201
MJD End
60893.35564971833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.00697
Ambient temperature (°C)
14.34
Seeing (arcsec)
0.485
Observation
ID
69293
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
51502
Name
HD 218396
RA
346.871647
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 50.8760 50.9400 38.2000 38.2000
U1-U3 95.4990 95.6050 42.9000 42.9000
U1-U4 130.2030 130.1970 60.9450 60.8500
U2-U3 44.9790 45.0180 48.1000 48.1000
U2-U4 85.5520 85.4460 74.2150 74.1010
U3-U4 49.2870 49.1270 97.8610 97.7930
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 60893.35493201
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871647
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 50.876
HIERARCH ESO ISS PBL12 END 50.94
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 95.499
HIERARCH ESO ISS PBL13 END 95.605
HIERARCH ESO ISS PBLA13 START 42.9
HIERARCH ESO ISS PBLA13 END 42.9
HIERARCH ESO ISS PBL14 START 130.203
HIERARCH ESO ISS PBL14 END 130.197
HIERARCH ESO ISS PBLA14 START 60.945
HIERARCH ESO ISS PBLA14 END 60.85
HIERARCH ESO ISS PBL23 START 44.979
HIERARCH ESO ISS PBL23 END 45.018
HIERARCH ESO ISS PBLA23 START 48.1
HIERARCH ESO ISS PBLA23 END 48.1
HIERARCH ESO ISS PBL24 START 85.552
HIERARCH ESO ISS PBL24 END 85.446
HIERARCH ESO ISS PBLA24 START 74.215
HIERARCH ESO ISS PBLA24 END 74.101
HIERARCH ESO ISS PBL34 START 49.287
HIERARCH ESO ISS PBL34 END 49.127
HIERARCH ESO ISS PBLA34 START 97.861
HIERARCH ESO ISS PBLA34 END 97.793
HIERARCH ESO ISS AMBI TAU0 START 0.00697
HIERARCH ESO ISS AMBI TAU0 END 0.00697
HIERARCH ESO ISS AMBI TEMP 14.34
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.43