Exposure
ID
MATIS.2025-08-06T07:28:38.952_1
Header ID
MATIS.2025-08-06T07:28:38.952
Date updated
2025-08-06 07:35:51 UTC+0000
Release date
2026-08-06 07:35:51 UTC+0000
UTC Start
2025-08-06 07:28:38.952
UTC End
2025-08-06 07:29:45.396
MJD Start
60893.31156195
MJD End
60893.31233097778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.008314
Ambient temperature (°C)
14.27
Seeing (arcsec)
0.525
Observation
ID
69244
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
51477
Name
HD 218396
RA
346.871616
DEC
21.13407
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 46.4050 46.5060 37.1000 37.2000
U1-U3 87.6110 87.7990 43.3000 43.3000
U1-U4 127.1370 127.2680 65.9690 65.8810
U2-U3 41.7750 41.8570 50.2000 50.2000
U2-U4 89.3300 89.3070 80.4770 80.3590
U3-U4 57.2700 57.1440 102.0600 101.9720
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 60893.31156195
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871616
DEC 21.13407
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 46.405
HIERARCH ESO ISS PBL12 END 46.506
HIERARCH ESO ISS PBLA12 START 37.1
HIERARCH ESO ISS PBLA12 END 37.2
HIERARCH ESO ISS PBL13 START 87.611
HIERARCH ESO ISS PBL13 END 87.799
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 127.137
HIERARCH ESO ISS PBL14 END 127.268
HIERARCH ESO ISS PBLA14 START 65.969
HIERARCH ESO ISS PBLA14 END 65.881
HIERARCH ESO ISS PBL23 START 41.775
HIERARCH ESO ISS PBL23 END 41.857
HIERARCH ESO ISS PBLA23 START 50.2
HIERARCH ESO ISS PBLA23 END 50.2
HIERARCH ESO ISS PBL24 START 89.33
HIERARCH ESO ISS PBL24 END 89.307
HIERARCH ESO ISS PBLA24 START 80.477
HIERARCH ESO ISS PBLA24 END 80.359
HIERARCH ESO ISS PBL34 START 57.27
HIERARCH ESO ISS PBL34 END 57.144
HIERARCH ESO ISS PBLA34 START 102.06
HIERARCH ESO ISS PBLA34 END 101.972
HIERARCH ESO ISS AMBI TAU0 START 0.008304
HIERARCH ESO ISS AMBI TAU0 END 0.008324
HIERARCH ESO ISS AMBI TEMP 14.27
HIERARCH ESO ISS AMBI FWHM START 0.56
HIERARCH ESO ISS AMBI FWHM END 0.49