Exposure
ID
MATIS.2025-08-09T07:50:40.145_1
Header ID
MATIS.2025-08-09T07:50:40.145
Date updated
2025-08-09 08:00:44 UTC+0000
Release date
2026-08-09 08:00:44 UTC+0000
UTC Start
2025-08-09 07:50:40.145
UTC End
2025-08-09 07:51:46.589
MJD Start
60896.32685353
MJD End
60896.32762255778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.006413
Ambient temperature (°C)
12.5
Seeing (arcsec)
0.46499999999999997
Observation
ID
69629
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
51708
Name
HD 218396
RA
346.871637
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 48.9600 49.0500 38.0000 38.1000
U1-U3 92.2380 92.3950 43.4000 43.4000
U1-U4 129.6460 129.7010 63.4190 63.3160
U2-U3 43.7240 43.7870 49.3000 49.3000
U2-U4 87.9460 87.8630 77.2210 77.0930
U3-U4 53.3800 53.2140 99.7560 99.6720
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 60896.32685353
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871637
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 48.96
HIERARCH ESO ISS PBL12 END 49.05
HIERARCH ESO ISS PBLA12 START 38.0
HIERARCH ESO ISS PBLA12 END 38.1
HIERARCH ESO ISS PBL13 START 92.238
HIERARCH ESO ISS PBL13 END 92.395
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 129.646
HIERARCH ESO ISS PBL14 END 129.701
HIERARCH ESO ISS PBLA14 START 63.419
HIERARCH ESO ISS PBLA14 END 63.316
HIERARCH ESO ISS PBL23 START 43.724
HIERARCH ESO ISS PBL23 END 43.787
HIERARCH ESO ISS PBLA23 START 49.3
HIERARCH ESO ISS PBLA23 END 49.3
HIERARCH ESO ISS PBL24 START 87.946
HIERARCH ESO ISS PBL24 END 87.863
HIERARCH ESO ISS PBLA24 START 77.221
HIERARCH ESO ISS PBLA24 END 77.093
HIERARCH ESO ISS PBL34 START 53.38
HIERARCH ESO ISS PBL34 END 53.214
HIERARCH ESO ISS PBLA34 START 99.756
HIERARCH ESO ISS PBLA34 END 99.672
HIERARCH ESO ISS AMBI TAU0 START 0.006619
HIERARCH ESO ISS AMBI TAU0 END 0.006207
HIERARCH ESO ISS AMBI TEMP 12.5
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.46