Exposure
ID
MATIS.2025-08-11T07:53:48.900_1
Header ID
MATIS.2025-08-11T07:53:48.900
Date updated
2025-08-11 08:00:43 UTC+0000
Release date
2026-08-11 08:00:43 UTC+0000
UTC Start
2025-08-11 07:53:48.900
UTC End
2025-08-11 07:54:55.344
MJD Start
60898.32903819
MJD End
60898.32980721778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.005679
Ambient temperature (°C)
14.65
Seeing (arcsec)
0.37
Observation
ID
69915
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
51887
Name
HD 218396
RA
346.871657
DEC
21.1337
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 49.7270 49.8080 38.2000 38.2000
U1-U3 93.5670 93.7060 43.2000 43.2000
U1-U4 130.0270 130.0550 62.5070 62.4050
U2-U3 44.2500 44.3040 48.9000 48.9000
U2-U4 87.1530 87.0570 76.1000 75.9750
U3-U4 51.8890 51.7200 99.0270 98.9480
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 60898.32903819
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871657
DEC 21.1337
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 49.727
HIERARCH ESO ISS PBL12 END 49.808
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 93.567
HIERARCH ESO ISS PBL13 END 93.706
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 130.027
HIERARCH ESO ISS PBL14 END 130.055
HIERARCH ESO ISS PBLA14 START 62.507
HIERARCH ESO ISS PBLA14 END 62.405
HIERARCH ESO ISS PBL23 START 44.25
HIERARCH ESO ISS PBL23 END 44.304
HIERARCH ESO ISS PBLA23 START 48.9
HIERARCH ESO ISS PBLA23 END 48.9
HIERARCH ESO ISS PBL24 START 87.153
HIERARCH ESO ISS PBL24 END 87.057
HIERARCH ESO ISS PBLA24 START 76.1
HIERARCH ESO ISS PBLA24 END 75.975
HIERARCH ESO ISS PBL34 START 51.889
HIERARCH ESO ISS PBL34 END 51.72
HIERARCH ESO ISS PBLA34 START 99.027
HIERARCH ESO ISS PBLA34 END 98.948
HIERARCH ESO ISS AMBI TAU0 START 0.005451
HIERARCH ESO ISS AMBI TAU0 END 0.005907
HIERARCH ESO ISS AMBI TEMP 14.65
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.34