Exposure
ID
MATIS.2025-08-11T08:03:53.218_1
Header ID
MATIS.2025-08-11T08:03:53.218
Date updated
2025-08-11 08:10:42 UTC+0000
Release date
2026-08-11 08:10:41 UTC+0000
UTC Start
2025-08-11 08:03:53.218
UTC End
2025-08-11 08:04:59.662
MJD Start
60898.33603261
MJD End
60898.33680163778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.0047065
Ambient temperature (°C)
14.73
Seeing (arcsec)
0.39
Observation
ID
69925
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
51892
Name
HD 218396
RA
346.871662
DEC
21.1337
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 50.3950 50.4790 38.2000 38.2000
U1-U3 94.7000 94.8400 43.1000 43.0000
U1-U4 130.1910 130.2000 61.6310 61.5150
U2-U3 44.6830 44.7360 48.5000 48.4000
U2-U4 86.2880 86.1670 75.0380 74.8990
U3-U4 50.4350 50.2410 98.3610 98.2750
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 60898.33603261
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871662
DEC 21.1337
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 50.395
HIERARCH ESO ISS PBL12 END 50.479
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 94.7
HIERARCH ESO ISS PBL13 END 94.84
HIERARCH ESO ISS PBLA13 START 43.1
HIERARCH ESO ISS PBLA13 END 43.0
HIERARCH ESO ISS PBL14 START 130.191
HIERARCH ESO ISS PBL14 END 130.2
HIERARCH ESO ISS PBLA14 START 61.631
HIERARCH ESO ISS PBLA14 END 61.515
HIERARCH ESO ISS PBL23 START 44.683
HIERARCH ESO ISS PBL23 END 44.736
HIERARCH ESO ISS PBLA23 START 48.5
HIERARCH ESO ISS PBLA23 END 48.4
HIERARCH ESO ISS PBL24 START 86.288
HIERARCH ESO ISS PBL24 END 86.167
HIERARCH ESO ISS PBLA24 START 75.038
HIERARCH ESO ISS PBLA24 END 74.899
HIERARCH ESO ISS PBL34 START 50.435
HIERARCH ESO ISS PBL34 END 50.241
HIERARCH ESO ISS PBLA34 START 98.361
HIERARCH ESO ISS PBLA34 END 98.275
HIERARCH ESO ISS AMBI TAU0 START 0.004841
HIERARCH ESO ISS AMBI TAU0 END 0.004572
HIERARCH ESO ISS AMBI TEMP 14.73
HIERARCH ESO ISS AMBI FWHM START 0.39
HIERARCH ESO ISS AMBI FWHM END 0.39