Exposure
ID
MATIS.2025-08-07T05:28:57.140_1
Header ID
MATIS.2025-08-07T05:28:57.140
Date updated
2025-08-07 05:41:10 UTC+0000
Release date
2026-08-07 05:41:10 UTC+0000
UTC Start
2025-08-07 05:28:57.140
UTC End
2025-08-07 05:30:03.584
MJD Start
60894.22843912
MJD End
60894.22920814778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.007756
Ambient temperature (°C)
13.01
Seeing (arcsec)
0.5449999999999999
Observation
ID
69357
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
51551
Name
HD 218396
RA
346.871615
DEC
21.13382
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 36.6930 36.7930 26.5000 26.7000
U1-U3 67.3730 67.6090 36.2000 36.4000
U1-U4 102.9450 103.3360 72.0680 72.0240
U2-U3 31.8020 31.9310 47.4000 47.5000
U2-U4 81.5570 81.7450 90.7970 90.6810
U3-U4 62.4190 62.4300 111.3030 111.1840
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 60894.22843912
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871615
DEC 21.13382
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 36.693
HIERARCH ESO ISS PBL12 END 36.793
HIERARCH ESO ISS PBLA12 START 26.5
HIERARCH ESO ISS PBLA12 END 26.7
HIERARCH ESO ISS PBL13 START 67.373
HIERARCH ESO ISS PBL13 END 67.609
HIERARCH ESO ISS PBLA13 START 36.2
HIERARCH ESO ISS PBLA13 END 36.4
HIERARCH ESO ISS PBL14 START 102.945
HIERARCH ESO ISS PBL14 END 103.336
HIERARCH ESO ISS PBLA14 START 72.068
HIERARCH ESO ISS PBLA14 END 72.024
HIERARCH ESO ISS PBL23 START 31.802
HIERARCH ESO ISS PBL23 END 31.931
HIERARCH ESO ISS PBLA23 START 47.4
HIERARCH ESO ISS PBLA23 END 47.5
HIERARCH ESO ISS PBL24 START 81.557
HIERARCH ESO ISS PBL24 END 81.745
HIERARCH ESO ISS PBLA24 START 90.797
HIERARCH ESO ISS PBLA24 END 90.681
HIERARCH ESO ISS PBL34 START 62.419
HIERARCH ESO ISS PBL34 END 62.43
HIERARCH ESO ISS PBLA34 START 111.303
HIERARCH ESO ISS PBLA34 END 111.184
HIERARCH ESO ISS AMBI TAU0 START 0.007756
HIERARCH ESO ISS AMBI TAU0 END 0.007756
HIERARCH ESO ISS AMBI TEMP 13.01
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.6