Exposure
ID
MATIS.2025-08-06T08:32:47.390_1
Header ID
MATIS.2025-08-06T08:32:47.390
Date updated
2025-08-06 08:40:53 UTC+0000
Release date
2026-08-06 08:40:52 UTC+0000
UTC Start
2025-08-06 08:32:47.390
UTC End
2025-08-06 08:33:53.834
MJD Start
60893.35610405
MJD End
60893.35687307778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.00697
Ambient temperature (°C)
14.31
Seeing (arcsec)
0.43
Observation
ID
69294
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
51503
Name
HD 218396
RA
346.871647
DEC
21.13408
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 50.9810 51.0570 38.2000 38.2000
U1-U3 95.6730 95.7970 42.8000 42.8000
U1-U4 130.1920 130.1820 60.7880 60.6730
U2-U3 45.0420 45.0870 48.1000 48.0000
U2-U4 85.3760 85.2470 74.0270 73.8900
U3-U4 49.0230 48.8290 97.7490 97.6670
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 60893.35610405
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871647
DEC 21.13408
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 50.981
HIERARCH ESO ISS PBL12 END 51.057
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 95.673
HIERARCH ESO ISS PBL13 END 95.797
HIERARCH ESO ISS PBLA13 START 42.8
HIERARCH ESO ISS PBLA13 END 42.8
HIERARCH ESO ISS PBL14 START 130.192
HIERARCH ESO ISS PBL14 END 130.182
HIERARCH ESO ISS PBLA14 START 60.788
HIERARCH ESO ISS PBLA14 END 60.673
HIERARCH ESO ISS PBL23 START 45.042
HIERARCH ESO ISS PBL23 END 45.087
HIERARCH ESO ISS PBLA23 START 48.1
HIERARCH ESO ISS PBLA23 END 48.0
HIERARCH ESO ISS PBL24 START 85.376
HIERARCH ESO ISS PBL24 END 85.247
HIERARCH ESO ISS PBLA24 START 74.027
HIERARCH ESO ISS PBLA24 END 73.89
HIERARCH ESO ISS PBL34 START 49.023
HIERARCH ESO ISS PBL34 END 48.829
HIERARCH ESO ISS PBLA34 START 97.749
HIERARCH ESO ISS PBLA34 END 97.667
HIERARCH ESO ISS AMBI TAU0 START 0.00697
HIERARCH ESO ISS AMBI TAU0 END 0.00697
HIERARCH ESO ISS AMBI TEMP 14.31
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.43