Exposure
ID
MATIS.2025-08-07T06:36:23.057_1
Header ID
MATIS.2025-08-07T06:36:23.057
Date updated
2025-08-07 06:45:54 UTC+0000
Release date
2026-08-07 06:45:54 UTC+0000
UTC Start
2025-08-07 06:36:23.057
UTC End
2025-08-07 06:37:29.501
MJD Start
60894.27526686
MJD End
60894.27603588778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.0079135
Ambient temperature (°C)
13.48
Seeing (arcsec)
0.52
Observation
ID
69411
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
51578
Name
HD 218396
RA
346.871628
DEC
21.1341
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 42.3710 42.4770 34.3000 34.4000
U1-U3 79.7540 79.9690 41.9000 41.9000
U1-U4 119.9470 120.1830 68.9920 68.9230
U2-U3 38.1620 38.2650 50.3000 50.3000
U2-U4 88.4490 88.5140 84.8090 84.7010
U3-U4 60.9700 60.9040 105.5840 105.4890
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 60894.27526686
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871628
DEC 21.1341
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 42.371
HIERARCH ESO ISS PBL12 END 42.477
HIERARCH ESO ISS PBLA12 START 34.3
HIERARCH ESO ISS PBLA12 END 34.4
HIERARCH ESO ISS PBL13 START 79.754
HIERARCH ESO ISS PBL13 END 79.969
HIERARCH ESO ISS PBLA13 START 41.9
HIERARCH ESO ISS PBLA13 END 41.9
HIERARCH ESO ISS PBL14 START 119.947
HIERARCH ESO ISS PBL14 END 120.183
HIERARCH ESO ISS PBLA14 START 68.992
HIERARCH ESO ISS PBLA14 END 68.923
HIERARCH ESO ISS PBL23 START 38.162
HIERARCH ESO ISS PBL23 END 38.265
HIERARCH ESO ISS PBLA23 START 50.3
HIERARCH ESO ISS PBLA23 END 50.3
HIERARCH ESO ISS PBL24 START 88.449
HIERARCH ESO ISS PBL24 END 88.514
HIERARCH ESO ISS PBLA24 START 84.809
HIERARCH ESO ISS PBLA24 END 84.701
HIERARCH ESO ISS PBL34 START 60.97
HIERARCH ESO ISS PBL34 END 60.904
HIERARCH ESO ISS PBLA34 START 105.584
HIERARCH ESO ISS PBLA34 END 105.489
HIERARCH ESO ISS AMBI TAU0 START 0.008309
HIERARCH ESO ISS AMBI TAU0 END 0.007518
HIERARCH ESO ISS AMBI TEMP 13.48
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.52