Exposure
ID
MATIS.2025-08-09T06:48:24.568_1
Header ID
MATIS.2025-08-09T06:48:24.568
Date updated
2025-08-09 06:55:44 UTC+0000
Release date
2026-08-09 06:55:44 UTC+0000
UTC Start
2025-08-09 06:48:24.568
UTC End
2025-08-09 06:49:31.012
MJD Start
60896.28361769
MJD End
60896.28438671778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.0053714999999999995
Ambient temperature (°C)
12.52
Seeing (arcsec)
0.55
Observation
ID
69578
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
51682
Name
HD 218396
RA
346.871594
DEC
21.1339
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 44.0680 44.1710 35.7000 35.8000
U1-U3 83.1400 83.3430 42.7000 42.7000
U1-U4 123.4210 123.6120 67.8280 67.7530
U2-U3 39.7600 39.8540 50.4000 50.4000
U2-U4 89.2250 89.2540 83.0510 82.9420
U3-U4 59.7180 59.6280 104.0880 103.9980
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 60896.28361769
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871594
DEC 21.1339
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 44.068
HIERARCH ESO ISS PBL12 END 44.171
HIERARCH ESO ISS PBLA12 START 35.7
HIERARCH ESO ISS PBLA12 END 35.8
HIERARCH ESO ISS PBL13 START 83.14
HIERARCH ESO ISS PBL13 END 83.343
HIERARCH ESO ISS PBLA13 START 42.7
HIERARCH ESO ISS PBLA13 END 42.7
HIERARCH ESO ISS PBL14 START 123.421
HIERARCH ESO ISS PBL14 END 123.612
HIERARCH ESO ISS PBLA14 START 67.828
HIERARCH ESO ISS PBLA14 END 67.753
HIERARCH ESO ISS PBL23 START 39.76
HIERARCH ESO ISS PBL23 END 39.854
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.225
HIERARCH ESO ISS PBL24 END 89.254
HIERARCH ESO ISS PBLA24 START 83.051
HIERARCH ESO ISS PBLA24 END 82.942
HIERARCH ESO ISS PBL34 START 59.718
HIERARCH ESO ISS PBL34 END 59.628
HIERARCH ESO ISS PBLA34 START 104.088
HIERARCH ESO ISS PBLA34 END 103.998
HIERARCH ESO ISS AMBI TAU0 START 0.005264
HIERARCH ESO ISS AMBI TAU0 END 0.005479
HIERARCH ESO ISS AMBI TEMP 12.52
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.55