Exposure
ID
MATIS.2025-07-10T09:53:04.546_1
Header ID
MATIS.2025-07-10T09:53:04.546
Date updated
2025-07-10 10:00:44 UTC+0000
Release date
2026-07-10 10:00:44 UTC+0000
UTC Start
2025-07-10 09:53:04.546
UTC End
2025-07-10 09:54:10.990
MJD Start
60866.41185817
MJD End
60866.41262719778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.0064345
Ambient temperature (°C)
12.57
Seeing (arcsec)
0.46499999999999997
Observation
ID
68589
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
51008
Name
HD 218396
RA
346.870976
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 49.2760 49.3570 38.1000 38.1000
U1-U3 92.7880 92.9290 43.3000 43.3000
U1-U4 129.8260 129.8670 63.0570 62.9600
U2-U3 43.9440 44.0000 49.2000 49.1000
U2-U4 87.6440 87.5610 76.7740 76.6550
U3-U4 52.7880 52.6310 99.4640 99.3860
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 60866.41185817
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.870976
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 49.276
HIERARCH ESO ISS PBL12 END 49.357
HIERARCH ESO ISS PBLA12 START 38.1
HIERARCH ESO ISS PBLA12 END 38.1
HIERARCH ESO ISS PBL13 START 92.788
HIERARCH ESO ISS PBL13 END 92.929
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 129.826
HIERARCH ESO ISS PBL14 END 129.867
HIERARCH ESO ISS PBLA14 START 63.057
HIERARCH ESO ISS PBLA14 END 62.96
HIERARCH ESO ISS PBL23 START 43.944
HIERARCH ESO ISS PBL23 END 44.0
HIERARCH ESO ISS PBLA23 START 49.2
HIERARCH ESO ISS PBLA23 END 49.1
HIERARCH ESO ISS PBL24 START 87.644
HIERARCH ESO ISS PBL24 END 87.561
HIERARCH ESO ISS PBLA24 START 76.774
HIERARCH ESO ISS PBLA24 END 76.655
HIERARCH ESO ISS PBL34 START 52.788
HIERARCH ESO ISS PBL34 END 52.631
HIERARCH ESO ISS PBLA34 START 99.464
HIERARCH ESO ISS PBLA34 END 99.386
HIERARCH ESO ISS AMBI TAU0 START 0.006338
HIERARCH ESO ISS AMBI TAU0 END 0.006531
HIERARCH ESO ISS AMBI TEMP 12.57
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.49