Exposure
ID
MATIS.2025-08-06T07:33:33.187_1
Header ID
MATIS.2025-08-06T07:33:33.187
Date updated
2025-08-06 07:40:46 UTC+0000
Release date
2026-08-06 07:40:46 UTC+0000
UTC Start
2025-08-06 07:33:33.187
UTC End
2025-08-06 07:34:39.631
MJD Start
60893.31496744
MJD End
60893.315736467775
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.0074424999999999995
Ambient temperature (°C)
14.23
Seeing (arcsec)
0.48
Observation
ID
69248
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
51479
Name
HD 218396
RA
346.871615
DEC
21.13407
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 46.7920 46.8810 37.3000 37.4000
U1-U3 88.3300 88.4950 43.4000 43.4000
U1-U4 127.6280 127.7360 65.6230 65.5420
U2-U3 42.0880 42.1590 50.1000 50.1000
U2-U4 89.2290 89.2010 80.0210 79.9140
U3-U4 56.7720 56.6530 101.7200 101.6420
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 60893.31496744
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871615
DEC 21.13407
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 46.792
HIERARCH ESO ISS PBL12 END 46.881
HIERARCH ESO ISS PBLA12 START 37.3
HIERARCH ESO ISS PBLA12 END 37.4
HIERARCH ESO ISS PBL13 START 88.33
HIERARCH ESO ISS PBL13 END 88.495
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 127.628
HIERARCH ESO ISS PBL14 END 127.736
HIERARCH ESO ISS PBLA14 START 65.623
HIERARCH ESO ISS PBLA14 END 65.542
HIERARCH ESO ISS PBL23 START 42.088
HIERARCH ESO ISS PBL23 END 42.159
HIERARCH ESO ISS PBLA23 START 50.1
HIERARCH ESO ISS PBLA23 END 50.1
HIERARCH ESO ISS PBL24 START 89.229
HIERARCH ESO ISS PBL24 END 89.201
HIERARCH ESO ISS PBLA24 START 80.021
HIERARCH ESO ISS PBLA24 END 79.914
HIERARCH ESO ISS PBL34 START 56.772
HIERARCH ESO ISS PBL34 END 56.653
HIERARCH ESO ISS PBLA34 START 101.72
HIERARCH ESO ISS PBLA34 END 101.642
HIERARCH ESO ISS AMBI TAU0 START 0.006929
HIERARCH ESO ISS AMBI TAU0 END 0.007956
HIERARCH ESO ISS AMBI TEMP 14.23
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.51