Exposure
ID
MATIS.2025-08-11T07:21:52.440_1
Header ID
MATIS.2025-08-11T07:21:52.440
Date updated
2025-08-11 07:30:31 UTC+0000
Release date
2026-08-11 07:30:31 UTC+0000
UTC Start
2025-08-11 07:21:52.440
UTC End
2025-08-11 07:22:58.884
MJD Start
60898.30685695
MJD End
60898.30762597778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.0055915
Ambient temperature (°C)
15.16
Seeing (arcsec)
0.385
Observation
ID
69885
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
51871
Name
HD 218396
RA
346.871632
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 47.4110 47.5080 37.6000 37.6000
U1-U3 89.4660 89.6430 43.4000 43.4000
U1-U4 128.3340 128.4360 65.0460 64.9520
U2-U3 42.5760 42.6510 49.9000 49.9000
U2-U4 88.9930 88.9470 79.2700 79.1490
U3-U4 55.9130 55.7710 101.1740 101.0880
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 60898.30685695
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871632
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 47.411
HIERARCH ESO ISS PBL12 END 47.508
HIERARCH ESO ISS PBLA12 START 37.6
HIERARCH ESO ISS PBLA12 END 37.6
HIERARCH ESO ISS PBL13 START 89.466
HIERARCH ESO ISS PBL13 END 89.643
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.334
HIERARCH ESO ISS PBL14 END 128.436
HIERARCH ESO ISS PBLA14 START 65.046
HIERARCH ESO ISS PBLA14 END 64.952
HIERARCH ESO ISS PBL23 START 42.576
HIERARCH ESO ISS PBL23 END 42.651
HIERARCH ESO ISS PBLA23 START 49.9
HIERARCH ESO ISS PBLA23 END 49.9
HIERARCH ESO ISS PBL24 START 88.993
HIERARCH ESO ISS PBL24 END 88.947
HIERARCH ESO ISS PBLA24 START 79.27
HIERARCH ESO ISS PBLA24 END 79.149
HIERARCH ESO ISS PBL34 START 55.913
HIERARCH ESO ISS PBL34 END 55.771
HIERARCH ESO ISS PBLA34 START 101.174
HIERARCH ESO ISS PBLA34 END 101.088
HIERARCH ESO ISS AMBI TAU0 START 0.006078
HIERARCH ESO ISS AMBI TAU0 END 0.005105
HIERARCH ESO ISS AMBI TEMP 15.16
HIERARCH ESO ISS AMBI FWHM START 0.36
HIERARCH ESO ISS AMBI FWHM END 0.41