Exposure
ID
MATIS.2025-08-09T07:24:25.616_1
Header ID
MATIS.2025-08-09T07:24:25.616
Date updated
2025-08-09 07:35:45 UTC+0000
Release date
2026-08-09 07:35:45 UTC+0000
UTC Start
2025-08-09 07:24:25.616
UTC End
2025-08-09 07:25:32.060
MJD Start
60896.30862981
MJD End
60896.30939883778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.0067725
Ambient temperature (°C)
12.24
Seeing (arcsec)
0.7
Observation
ID
69611
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
51699
Name
HD 218396
RA
346.871623
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 47.0020 47.0940 37.4000 37.4000
U1-U3 88.7170 88.8850 43.4000 43.4000
U1-U4 127.8780 127.9840 65.4280 65.3430
U2-U3 42.2550 42.3280 50.0000 50.0000
U2-U4 89.1600 89.1260 79.7660 79.6550
U3-U4 56.4900 56.3640 101.5320 101.4520
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 60896.30862981
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871623
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 47.002
HIERARCH ESO ISS PBL12 END 47.094
HIERARCH ESO ISS PBLA12 START 37.4
HIERARCH ESO ISS PBLA12 END 37.4
HIERARCH ESO ISS PBL13 START 88.717
HIERARCH ESO ISS PBL13 END 88.885
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 127.878
HIERARCH ESO ISS PBL14 END 127.984
HIERARCH ESO ISS PBLA14 START 65.428
HIERARCH ESO ISS PBLA14 END 65.343
HIERARCH ESO ISS PBL23 START 42.255
HIERARCH ESO ISS PBL23 END 42.328
HIERARCH ESO ISS PBLA23 START 50.0
HIERARCH ESO ISS PBLA23 END 50.0
HIERARCH ESO ISS PBL24 START 89.16
HIERARCH ESO ISS PBL24 END 89.126
HIERARCH ESO ISS PBLA24 START 79.766
HIERARCH ESO ISS PBLA24 END 79.655
HIERARCH ESO ISS PBL34 START 56.49
HIERARCH ESO ISS PBL34 END 56.364
HIERARCH ESO ISS PBLA34 START 101.532
HIERARCH ESO ISS PBLA34 END 101.452
HIERARCH ESO ISS AMBI TAU0 START 0.005783
HIERARCH ESO ISS AMBI TAU0 END 0.007762
HIERARCH ESO ISS AMBI TEMP 12.24
HIERARCH ESO ISS AMBI FWHM START 0.72
HIERARCH ESO ISS AMBI FWHM END 0.68