Exposure
ID
MATIS.2025-08-11T07:30:19.405_1
Header ID
MATIS.2025-08-11T07:30:19.405
Date updated
2025-08-11 07:40:43 UTC+0000
Release date
2026-08-11 07:40:43 UTC+0000
UTC Start
2025-08-11 07:30:19.405
UTC End
2025-08-11 07:31:25.849
MJD Start
60898.3127246
MJD End
60898.31349362778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.0034349999999999997
Ambient temperature (°C)
14.75
Seeing (arcsec)
0.495
Observation
ID
69900
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
51879
Name
HD 218396
RA
346.871644
DEC
21.13369
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 48.0510 48.1480 37.8000 37.8000
U1-U3 90.6250 90.7980 43.4000 43.4000
U1-U4 128.9590 129.0430 64.4080 64.3080
U2-U3 43.0630 43.1350 49.7000 49.7000
U2-U4 88.6430 88.5810 78.4560 78.3300
U3-U4 54.9360 54.7810 100.5990 100.5110
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 60898.3127246
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871644
DEC 21.13369
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 48.051
HIERARCH ESO ISS PBL12 END 48.148
HIERARCH ESO ISS PBLA12 START 37.8
HIERARCH ESO ISS PBLA12 END 37.8
HIERARCH ESO ISS PBL13 START 90.625
HIERARCH ESO ISS PBL13 END 90.798
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.959
HIERARCH ESO ISS PBL14 END 129.043
HIERARCH ESO ISS PBLA14 START 64.408
HIERARCH ESO ISS PBLA14 END 64.308
HIERARCH ESO ISS PBL23 START 43.063
HIERARCH ESO ISS PBL23 END 43.135
HIERARCH ESO ISS PBLA23 START 49.7
HIERARCH ESO ISS PBLA23 END 49.7
HIERARCH ESO ISS PBL24 START 88.643
HIERARCH ESO ISS PBL24 END 88.581
HIERARCH ESO ISS PBLA24 START 78.456
HIERARCH ESO ISS PBLA24 END 78.33
HIERARCH ESO ISS PBL34 START 54.936
HIERARCH ESO ISS PBL34 END 54.781
HIERARCH ESO ISS PBLA34 START 100.599
HIERARCH ESO ISS PBLA34 END 100.511
HIERARCH ESO ISS AMBI TAU0 START 0.003679
HIERARCH ESO ISS AMBI TAU0 END 0.003191
HIERARCH ESO ISS AMBI TEMP 14.75
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.52