Exposure
ID
MATIS.2025-08-09T08:18:21.719_1
Header ID
MATIS.2025-08-09T08:18:21.719
Date updated
2025-08-09 08:25:43 UTC+0000
Release date
2026-08-09 08:25:43 UTC+0000
UTC Start
2025-08-09 08:18:21.719
UTC End
2025-08-09 08:19:28.163
MJD Start
60896.34608471
MJD End
60896.34685373778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.004789
Ambient temperature (°C)
12.61
Seeing (arcsec)
0.53
Observation
ID
69651
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
51719
Name
HD 218396
RA
346.871652
DEC
21.13389
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_MEDIUM
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 50.8160 50.8940 38.2000 38.2000
U1-U3 95.4010 95.5290 42.9000 42.9000
U1-U4 130.2070 130.2010 61.0300 60.9160
U2-U3 44.9430 44.9900 48.2000 48.1000
U2-U4 85.6490 85.5220 74.3170 74.1810
U3-U4 49.4350 49.2430 97.9210 97.8390
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 60896.34608471
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871652
DEC 21.13389
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME MED
HIERARCH ESO INS DIL ID MED
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 10.0
HIERARCH ESO DET SEQ1 PERIOD 11.074
HIERARCH ESO DET NDIT 6
HIERARCH ESO ISS PBL12 START 50.816
HIERARCH ESO ISS PBL12 END 50.894
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 95.401
HIERARCH ESO ISS PBL13 END 95.529
HIERARCH ESO ISS PBLA13 START 42.9
HIERARCH ESO ISS PBLA13 END 42.9
HIERARCH ESO ISS PBL14 START 130.207
HIERARCH ESO ISS PBL14 END 130.201
HIERARCH ESO ISS PBLA14 START 61.03
HIERARCH ESO ISS PBLA14 END 60.916
HIERARCH ESO ISS PBL23 START 44.943
HIERARCH ESO ISS PBL23 END 44.99
HIERARCH ESO ISS PBLA23 START 48.2
HIERARCH ESO ISS PBLA23 END 48.1
HIERARCH ESO ISS PBL24 START 85.649
HIERARCH ESO ISS PBL24 END 85.522
HIERARCH ESO ISS PBLA24 START 74.317
HIERARCH ESO ISS PBLA24 END 74.181
HIERARCH ESO ISS PBL34 START 49.435
HIERARCH ESO ISS PBL34 END 49.243
HIERARCH ESO ISS PBLA34 START 97.921
HIERARCH ESO ISS PBLA34 END 97.839
HIERARCH ESO ISS AMBI TAU0 START 0.004789
HIERARCH ESO ISS AMBI TAU0 END 0.004789
HIERARCH ESO ISS AMBI TEMP 12.61
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.53