Exposure
ID
MATIS.2025-08-11T08:02:03.851_1
Header ID
MATIS.2025-08-11T08:02:03.851
Date updated
2025-08-11 08:10:42 UTC+0000
Release date
2026-08-11 08:10:41 UTC+0000
UTC Start
2025-08-11 08:02:03.851
UTC End
2025-08-11 08:03:05.861
MJD Start
60898.33476679
MJD End
60898.33548449833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005142
Ambient temperature (°C)
14.72
Seeing (arcsec)
0.405
Observation
ID
69924
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
51891
Name
HD 218396
RA
346.87166
DEC
21.1337
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 50.2760 50.3430 38.2000 38.2000
U1-U3 94.4990 94.6120 43.1000 43.1000
U1-U4 130.1740 130.1850 61.7930 61.7020
U2-U3 44.6080 44.6510 48.6000 48.5000
U2-U4 86.4550 86.3610 75.2340 75.1240
U3-U4 50.7060 50.5540 98.4820 98.4140
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 60898.33476679
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.87166
DEC 21.1337
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 50.276
HIERARCH ESO ISS PBL12 END 50.343
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 94.499
HIERARCH ESO ISS PBL13 END 94.612
HIERARCH ESO ISS PBLA13 START 43.1
HIERARCH ESO ISS PBLA13 END 43.1
HIERARCH ESO ISS PBL14 START 130.174
HIERARCH ESO ISS PBL14 END 130.185
HIERARCH ESO ISS PBLA14 START 61.793
HIERARCH ESO ISS PBLA14 END 61.702
HIERARCH ESO ISS PBL23 START 44.608
HIERARCH ESO ISS PBL23 END 44.651
HIERARCH ESO ISS PBLA23 START 48.6
HIERARCH ESO ISS PBLA23 END 48.5
HIERARCH ESO ISS PBL24 START 86.455
HIERARCH ESO ISS PBL24 END 86.361
HIERARCH ESO ISS PBLA24 START 75.234
HIERARCH ESO ISS PBLA24 END 75.124
HIERARCH ESO ISS PBL34 START 50.706
HIERARCH ESO ISS PBL34 END 50.554
HIERARCH ESO ISS PBLA34 START 98.482
HIERARCH ESO ISS PBLA34 END 98.414
HIERARCH ESO ISS AMBI TAU0 START 0.005443
HIERARCH ESO ISS AMBI TAU0 END 0.004841
HIERARCH ESO ISS AMBI TEMP 14.72
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.39