Exposure
ID
MATIS.2025-08-09T08:16:49.604_1
Header ID
MATIS.2025-08-09T08:16:49.604
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 08:16:49.604
UTC End
2025-08-09 08:17:56.048
MJD Start
60896.34501857
MJD End
60896.34578759778
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
69647
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
51717
Name
HD 218396
RA
346.871653
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 50.7200 50.7890 38.2000 38.2000
U1-U3 95.2410 95.3570 42.9000 42.9000
U1-U4 130.2100 130.2080 61.1700 61.0690
U2-U3 44.8850 44.9270 48.3000 48.2000
U2-U4 85.8020 85.6920 74.4850 74.3640
U3-U4 49.6700 49.5000 98.0220 97.9490
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 60896.34501857
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871653
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 50.72
HIERARCH ESO ISS PBL12 END 50.789
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 95.241
HIERARCH ESO ISS PBL13 END 95.357
HIERARCH ESO ISS PBLA13 START 42.9
HIERARCH ESO ISS PBLA13 END 42.9
HIERARCH ESO ISS PBL14 START 130.21
HIERARCH ESO ISS PBL14 END 130.208
HIERARCH ESO ISS PBLA14 START 61.17
HIERARCH ESO ISS PBLA14 END 61.069
HIERARCH ESO ISS PBL23 START 44.885
HIERARCH ESO ISS PBL23 END 44.927
HIERARCH ESO ISS PBLA23 START 48.3
HIERARCH ESO ISS PBLA23 END 48.2
HIERARCH ESO ISS PBL24 START 85.802
HIERARCH ESO ISS PBL24 END 85.692
HIERARCH ESO ISS PBLA24 START 74.485
HIERARCH ESO ISS PBLA24 END 74.364
HIERARCH ESO ISS PBL34 START 49.67
HIERARCH ESO ISS PBL34 END 49.5
HIERARCH ESO ISS PBLA34 START 98.022
HIERARCH ESO ISS PBLA34 END 97.949
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