Exposure
ID
MATIS.2025-08-09T08:15:17.563_1
Header ID
MATIS.2025-08-09T08:15:17.563
Date updated
2025-08-09 08:20:34 UTC+0000
Release date
2026-08-09 08:20:34 UTC+0000
UTC Start
2025-08-09 08:15:17.563
UTC End
2025-08-09 08:16:24.007
MJD Start
60896.34395328
MJD End
60896.344722307775
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.004789
Ambient temperature (°C)
12.62
Seeing (arcsec)
0.53
Observation
ID
69653
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
51720
Name
HD 218396
RA
346.871651
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 50.6220 50.6960 38.2000 38.2000
U1-U3 95.0800 95.2030 43.0000 42.9000
U1-U4 130.2090 130.2100 61.3090 61.2030
U2-U3 44.8250 44.8710 48.3000 48.3000
U2-U4 85.9520 85.8380 74.6520 74.5250
U3-U4 49.9040 49.7260 98.1240 98.0470
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 60896.34395328
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871651
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 50.622
HIERARCH ESO ISS PBL12 END 50.696
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 95.08
HIERARCH ESO ISS PBL13 END 95.203
HIERARCH ESO ISS PBLA13 START 43.0
HIERARCH ESO ISS PBLA13 END 42.9
HIERARCH ESO ISS PBL14 START 130.209
HIERARCH ESO ISS PBL14 END 130.21
HIERARCH ESO ISS PBLA14 START 61.309
HIERARCH ESO ISS PBLA14 END 61.203
HIERARCH ESO ISS PBL23 START 44.825
HIERARCH ESO ISS PBL23 END 44.871
HIERARCH ESO ISS PBLA23 START 48.3
HIERARCH ESO ISS PBLA23 END 48.3
HIERARCH ESO ISS PBL24 START 85.952
HIERARCH ESO ISS PBL24 END 85.838
HIERARCH ESO ISS PBLA24 START 74.652
HIERARCH ESO ISS PBLA24 END 74.525
HIERARCH ESO ISS PBL34 START 49.904
HIERARCH ESO ISS PBL34 END 49.726
HIERARCH ESO ISS PBLA34 START 98.124
HIERARCH ESO ISS PBLA34 END 98.047
HIERARCH ESO ISS AMBI TAU0 START 0.004789
HIERARCH ESO ISS AMBI TAU0 END 0.004789
HIERARCH ESO ISS AMBI TEMP 12.62
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.53