Exposure
ID
MATIS.2025-07-10T10:06:02.682_1
Header ID
MATIS.2025-07-10T10:06:02.682
Date updated
2025-07-10 10:10:40 UTC+0000
Release date
2026-07-10 10:10:40 UTC+0000
UTC Start
2025-07-10 10:06:02.682
UTC End
2025-07-10 10:07:09.126
MJD Start
60866.42086438
MJD End
60866.42163340778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.006896
Ambient temperature (°C)
12.56
Seeing (arcsec)
0.445
Observation
ID
68595
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
51011
Name
HD 218396
RA
346.870983
DEC
21.13428
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 50.1570 50.2420 38.2000 38.2000
U1-U3 94.2980 94.4420 43.1000 43.1000
U1-U4 130.1520 130.1680 61.9540 61.8390
U2-U3 44.5310 44.5860 48.7000 48.6000
U2-U4 86.6170 86.5020 75.4290 75.2910
U3-U4 50.9730 50.7830 98.6040 98.5180
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 60866.42086438
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.870983
DEC 21.13428
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 50.157
HIERARCH ESO ISS PBL12 END 50.242
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 94.298
HIERARCH ESO ISS PBL13 END 94.442
HIERARCH ESO ISS PBLA13 START 43.1
HIERARCH ESO ISS PBLA13 END 43.1
HIERARCH ESO ISS PBL14 START 130.152
HIERARCH ESO ISS PBL14 END 130.168
HIERARCH ESO ISS PBLA14 START 61.954
HIERARCH ESO ISS PBLA14 END 61.839
HIERARCH ESO ISS PBL23 START 44.531
HIERARCH ESO ISS PBL23 END 44.586
HIERARCH ESO ISS PBLA23 START 48.7
HIERARCH ESO ISS PBLA23 END 48.6
HIERARCH ESO ISS PBL24 START 86.617
HIERARCH ESO ISS PBL24 END 86.502
HIERARCH ESO ISS PBLA24 START 75.429
HIERARCH ESO ISS PBLA24 END 75.291
HIERARCH ESO ISS PBL34 START 50.973
HIERARCH ESO ISS PBL34 END 50.783
HIERARCH ESO ISS PBLA34 START 98.604
HIERARCH ESO ISS PBLA34 END 98.518
HIERARCH ESO ISS AMBI TAU0 START 0.006896
HIERARCH ESO ISS AMBI TAU0 END 0.006896
HIERARCH ESO ISS AMBI TEMP 12.56
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.44