Exposure
ID
MATIS.2025-08-09T07:16:02.157_1
Header ID
MATIS.2025-08-09T07:16:02.157
Date updated
2025-08-09 07:20:33 UTC+0000
Release date
2026-08-09 07:20:33 UTC+0000
UTC Start
2025-08-09 07:16:02.157
UTC End
2025-08-09 07:17:08.601
MJD Start
60896.30280274
MJD End
60896.30357176778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.004285
Ambient temperature (°C)
12.27
Seeing (arcsec)
0.665
Observation
ID
69603
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
51695
Name
HD 218396
RA
346.871618
DEC
21.13389
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 46.3400 46.4410 37.1000 37.2000
U1-U3 87.4890 87.6790 43.3000 43.3000
U1-U4 127.0510 127.1850 66.0230 65.9340
U2-U3 41.7220 41.8050 50.2000 50.2000
U2-U4 89.3430 89.3220 80.5500 80.4320
U3-U4 57.3520 57.2250 102.1140 102.0250
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 60896.30280274
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871618
DEC 21.13389
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 46.34
HIERARCH ESO ISS PBL12 END 46.441
HIERARCH ESO ISS PBLA12 START 37.1
HIERARCH ESO ISS PBLA12 END 37.2
HIERARCH ESO ISS PBL13 START 87.489
HIERARCH ESO ISS PBL13 END 87.679
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 127.051
HIERARCH ESO ISS PBL14 END 127.185
HIERARCH ESO ISS PBLA14 START 66.023
HIERARCH ESO ISS PBLA14 END 65.934
HIERARCH ESO ISS PBL23 START 41.722
HIERARCH ESO ISS PBL23 END 41.805
HIERARCH ESO ISS PBLA23 START 50.2
HIERARCH ESO ISS PBLA23 END 50.2
HIERARCH ESO ISS PBL24 START 89.343
HIERARCH ESO ISS PBL24 END 89.322
HIERARCH ESO ISS PBLA24 START 80.55
HIERARCH ESO ISS PBLA24 END 80.432
HIERARCH ESO ISS PBL34 START 57.352
HIERARCH ESO ISS PBL34 END 57.225
HIERARCH ESO ISS PBLA34 START 102.114
HIERARCH ESO ISS PBLA34 END 102.025
HIERARCH ESO ISS AMBI TAU0 START 0.004285
HIERARCH ESO ISS AMBI TAU0 END 0.004285
HIERARCH ESO ISS AMBI TEMP 12.27
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.66