Exposure
ID
MATIS.2025-08-06T08:44:22.495_1
Header ID
MATIS.2025-08-06T08:44:22.495
Date updated
2025-08-06 08:55:41 UTC+0000
Release date
2026-08-06 08:55:41 UTC+0000
UTC Start
2025-08-06 08:44:22.495
UTC End
2025-08-06 08:45:24.505
MJD Start
60893.36414925
MJD End
60893.364866958334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.007549
Ambient temperature (°C)
14.25
Seeing (arcsec)
0.42
Observation
ID
69299
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
51505
Name
HD 218396
RA
346.871653
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 51.6740 51.7330 38.2000 38.2000
U1-U3 96.7930 96.8880 42.5000 42.5000
U1-U4 129.9970 129.9690 59.6880 59.5870
U2-U3 45.4370 45.4700 47.5000 47.4000
U2-U4 84.0870 83.9640 72.7160 72.5960
U3-U4 47.1590 46.9880 96.9850 96.9160
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 60893.36414925
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871653
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 51.674
HIERARCH ESO ISS PBL12 END 51.733
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 96.793
HIERARCH ESO ISS PBL13 END 96.888
HIERARCH ESO ISS PBLA13 START 42.5
HIERARCH ESO ISS PBLA13 END 42.5
HIERARCH ESO ISS PBL14 START 129.997
HIERARCH ESO ISS PBL14 END 129.969
HIERARCH ESO ISS PBLA14 START 59.688
HIERARCH ESO ISS PBLA14 END 59.587
HIERARCH ESO ISS PBL23 START 45.437
HIERARCH ESO ISS PBL23 END 45.47
HIERARCH ESO ISS PBLA23 START 47.5
HIERARCH ESO ISS PBLA23 END 47.4
HIERARCH ESO ISS PBL24 START 84.087
HIERARCH ESO ISS PBL24 END 83.964
HIERARCH ESO ISS PBLA24 START 72.716
HIERARCH ESO ISS PBLA24 END 72.596
HIERARCH ESO ISS PBL34 START 47.159
HIERARCH ESO ISS PBL34 END 46.988
HIERARCH ESO ISS PBLA34 START 96.985
HIERARCH ESO ISS PBLA34 END 96.916
HIERARCH ESO ISS AMBI TAU0 START 0.00783
HIERARCH ESO ISS AMBI TAU0 END 0.007268
HIERARCH ESO ISS AMBI TEMP 14.25
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.41