Exposure
ID
MATIS.2025-08-07T09:00:09.787_1
Header ID
MATIS.2025-08-07T09:00:09.787
Date updated
2025-08-07 09:10:44 UTC+0000
Release date
2026-08-07 09:10:44 UTC+0000
UTC Start
2025-08-07 09:00:09.787
UTC End
2025-08-07 09:01:11.797
MJD Start
60894.37511327
MJD End
60894.37583097833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.008038
Ambient temperature (°C)
13.22
Seeing (arcsec)
0.62
Observation
ID
69512
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
51629
Name
HD 218396
RA
346.871697
DEC
21.13408
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 52.7500 52.8020 37.9000 37.9000
U1-U3 98.4620 98.5410 41.8000 41.8000
U1-U4 129.1780 129.1190 57.6740 57.5630
U2-U3 45.9770 46.0010 46.3000 46.2000
U2-U4 81.5220 81.3760 70.3290 70.1980
U3-U4 43.7370 43.5490 95.6700 95.6000
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 60894.37511327
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871697
DEC 21.13408
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 52.75
HIERARCH ESO ISS PBL12 END 52.802
HIERARCH ESO ISS PBLA12 START 37.9
HIERARCH ESO ISS PBLA12 END 37.9
HIERARCH ESO ISS PBL13 START 98.462
HIERARCH ESO ISS PBL13 END 98.541
HIERARCH ESO ISS PBLA13 START 41.8
HIERARCH ESO ISS PBLA13 END 41.8
HIERARCH ESO ISS PBL14 START 129.178
HIERARCH ESO ISS PBL14 END 129.119
HIERARCH ESO ISS PBLA14 START 57.674
HIERARCH ESO ISS PBLA14 END 57.563
HIERARCH ESO ISS PBL23 START 45.977
HIERARCH ESO ISS PBL23 END 46.001
HIERARCH ESO ISS PBLA23 START 46.3
HIERARCH ESO ISS PBLA23 END 46.2
HIERARCH ESO ISS PBL24 START 81.522
HIERARCH ESO ISS PBL24 END 81.376
HIERARCH ESO ISS PBLA24 START 70.329
HIERARCH ESO ISS PBLA24 END 70.198
HIERARCH ESO ISS PBL34 START 43.737
HIERARCH ESO ISS PBL34 END 43.549
HIERARCH ESO ISS PBLA34 START 95.67
HIERARCH ESO ISS PBLA34 END 95.6
HIERARCH ESO ISS AMBI TAU0 START 0.008038
HIERARCH ESO ISS AMBI TAU0 END 0.008038
HIERARCH ESO ISS AMBI TEMP 13.22
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.62