Exposure
ID
MATIS.2025-08-11T07:08:43.059_1
Header ID
MATIS.2025-08-11T07:08:43.059
Date updated
2025-08-11 07:20:33 UTC+0000
Release date
2026-08-11 07:20:33 UTC+0000
UTC Start
2025-08-11 07:08:43.059
UTC End
2025-08-11 07:09:49.503
MJD Start
60898.29772059
MJD End
60898.29848961778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.004656
Ambient temperature (°C)
15.15
Seeing (arcsec)
0.43
Observation
ID
69879
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
51868
Name
HD 218396
RA
346.871627
DEC
21.13369
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 46.3840 46.4740 37.1000 37.2000
U1-U3 87.5720 87.7400 43.3000 43.3000
U1-U4 127.1100 127.2280 65.9890 65.9100
U2-U3 41.7580 41.8320 50.2000 50.2000
U2-U4 89.3340 89.3140 80.5030 80.3980
U3-U4 57.2960 57.1830 102.0800 102.0010
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 60898.29772059
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871627
DEC 21.13369
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 46.384
HIERARCH ESO ISS PBL12 END 46.474
HIERARCH ESO ISS PBLA12 START 37.1
HIERARCH ESO ISS PBLA12 END 37.2
HIERARCH ESO ISS PBL13 START 87.572
HIERARCH ESO ISS PBL13 END 87.74
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 127.11
HIERARCH ESO ISS PBL14 END 127.228
HIERARCH ESO ISS PBLA14 START 65.989
HIERARCH ESO ISS PBLA14 END 65.91
HIERARCH ESO ISS PBL23 START 41.758
HIERARCH ESO ISS PBL23 END 41.832
HIERARCH ESO ISS PBLA23 START 50.2
HIERARCH ESO ISS PBLA23 END 50.2
HIERARCH ESO ISS PBL24 START 89.334
HIERARCH ESO ISS PBL24 END 89.314
HIERARCH ESO ISS PBLA24 START 80.503
HIERARCH ESO ISS PBLA24 END 80.398
HIERARCH ESO ISS PBL34 START 57.296
HIERARCH ESO ISS PBL34 END 57.183
HIERARCH ESO ISS PBLA34 START 102.08
HIERARCH ESO ISS PBLA34 END 102.001
HIERARCH ESO ISS AMBI TAU0 START 0.004656
HIERARCH ESO ISS AMBI TAU0 END 0.004656
HIERARCH ESO ISS AMBI TEMP 15.15
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.43