Exposure
ID
MATIS.2025-08-05T08:21:41.109_1
Header ID
MATIS.2025-08-05T08:21:41.109
Date updated
2025-08-05 08:30:45 UTC+0000
Release date
2026-08-05 08:30:44 UTC+0000
UTC Start
2025-08-05 08:21:41.109
UTC End
2025-08-05 08:22:47.553
MJD Start
60892.34839246
MJD End
60892.34916148778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.00557
Ambient temperature (°C)
14.0
Seeing (arcsec)
0.59
Observation
ID
69053
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
51375
Name
HD 218396
RA
346.871668
DEC
21.13364
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 50.0130 50.0880 38.2000 38.2000
U1-U3 94.0550 94.1830 43.2000 43.1000
U1-U4 130.1170 130.1360 62.1390 62.0400
U2-U3 44.4390 44.4880 48.7000 48.7000
U2-U4 86.8030 86.7060 75.6530 75.5340
U3-U4 51.2850 51.1210 98.7430 98.6680
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 60892.34839246
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871668
DEC 21.13364
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 50.013
HIERARCH ESO ISS PBL12 END 50.088
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 94.055
HIERARCH ESO ISS PBL13 END 94.183
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.1
HIERARCH ESO ISS PBL14 START 130.117
HIERARCH ESO ISS PBL14 END 130.136
HIERARCH ESO ISS PBLA14 START 62.139
HIERARCH ESO ISS PBLA14 END 62.04
HIERARCH ESO ISS PBL23 START 44.439
HIERARCH ESO ISS PBL23 END 44.488
HIERARCH ESO ISS PBLA23 START 48.7
HIERARCH ESO ISS PBLA23 END 48.7
HIERARCH ESO ISS PBL24 START 86.803
HIERARCH ESO ISS PBL24 END 86.706
HIERARCH ESO ISS PBLA24 START 75.653
HIERARCH ESO ISS PBLA24 END 75.534
HIERARCH ESO ISS PBL34 START 51.285
HIERARCH ESO ISS PBL34 END 51.121
HIERARCH ESO ISS PBLA34 START 98.743
HIERARCH ESO ISS PBLA34 END 98.668
HIERARCH ESO ISS AMBI TAU0 START 0.00557
HIERARCH ESO ISS AMBI TAU0 END 0.00557
HIERARCH ESO ISS AMBI TEMP 14.0
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.59