Exposure
ID
MATIS.2025-08-05T08:20:05.163_1
Header ID
MATIS.2025-08-05T08:20:05.163
Date updated
2025-08-05 08:25:39 UTC+0000
Release date
2026-08-05 08:25:39 UTC+0000
UTC Start
2025-08-05 08:20:05.163
UTC End
2025-08-05 08:21:11.607
MJD Start
60892.34728198
MJD End
60892.34805100778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.0050644999999999996
Ambient temperature (°C)
14.0
Seeing (arcsec)
0.59
Observation
ID
69050
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
51374
Name
HD 218396
RA
346.871667
DEC
21.13365
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 49.9060 49.9910 38.2000 38.2000
U1-U3 93.8730 94.0170 43.2000 43.2000
U1-U4 130.0870 130.1110 62.2770 62.1680
U2-U3 44.3690 44.4240 48.8000 48.8000
U2-U4 86.9380 86.8320 75.8210 75.6880
U3-U4 51.5130 51.3320 98.8480 98.7650
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 60892.34728198
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871667
DEC 21.13365
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 49.906
HIERARCH ESO ISS PBL12 END 49.991
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 93.873
HIERARCH ESO ISS PBL13 END 94.017
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 130.087
HIERARCH ESO ISS PBL14 END 130.111
HIERARCH ESO ISS PBLA14 START 62.277
HIERARCH ESO ISS PBLA14 END 62.168
HIERARCH ESO ISS PBL23 START 44.369
HIERARCH ESO ISS PBL23 END 44.424
HIERARCH ESO ISS PBLA23 START 48.8
HIERARCH ESO ISS PBLA23 END 48.8
HIERARCH ESO ISS PBL24 START 86.938
HIERARCH ESO ISS PBL24 END 86.832
HIERARCH ESO ISS PBLA24 START 75.821
HIERARCH ESO ISS PBLA24 END 75.688
HIERARCH ESO ISS PBL34 START 51.513
HIERARCH ESO ISS PBL34 END 51.332
HIERARCH ESO ISS PBLA34 START 98.848
HIERARCH ESO ISS PBLA34 END 98.765
HIERARCH ESO ISS AMBI TAU0 START 0.004946
HIERARCH ESO ISS AMBI TAU0 END 0.005183
HIERARCH ESO ISS AMBI TEMP 14.0
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.58