Exposure
ID
MATIS.2025-07-10T09:14:42.885_1
Header ID
MATIS.2025-07-10T09:14:42.885
Date updated
2025-07-10 09:25:44 UTC+0000
Release date
2026-07-10 09:25:44 UTC+0000
UTC Start
2025-07-10 09:14:42.885
UTC End
2025-07-10 09:15:49.329
MJD Start
60866.38521858
MJD End
60866.38598760778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.005776
Ambient temperature (°C)
12.83
Seeing (arcsec)
0.63
Observation
ID
68555
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
50990
Name
HD 218396
RA
346.870954
DEC
21.13427
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 46.3990 46.4890 37.1000 37.2000
U1-U3 87.6000 87.7680 43.3000 43.3000
U1-U4 127.1290 127.2460 65.9770 65.8970
U2-U3 41.7700 41.8440 50.2000 50.2000
U2-U4 89.3310 89.3110 80.4870 80.3810
U3-U4 57.2790 57.1660 102.0680 101.9900
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 60866.38521858
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.870954
DEC 21.13427
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 46.399
HIERARCH ESO ISS PBL12 END 46.489
HIERARCH ESO ISS PBLA12 START 37.1
HIERARCH ESO ISS PBLA12 END 37.2
HIERARCH ESO ISS PBL13 START 87.6
HIERARCH ESO ISS PBL13 END 87.768
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 127.129
HIERARCH ESO ISS PBL14 END 127.246
HIERARCH ESO ISS PBLA14 START 65.977
HIERARCH ESO ISS PBLA14 END 65.897
HIERARCH ESO ISS PBL23 START 41.77
HIERARCH ESO ISS PBL23 END 41.844
HIERARCH ESO ISS PBLA23 START 50.2
HIERARCH ESO ISS PBLA23 END 50.2
HIERARCH ESO ISS PBL24 START 89.331
HIERARCH ESO ISS PBL24 END 89.311
HIERARCH ESO ISS PBLA24 START 80.487
HIERARCH ESO ISS PBLA24 END 80.381
HIERARCH ESO ISS PBL34 START 57.279
HIERARCH ESO ISS PBL34 END 57.166
HIERARCH ESO ISS PBLA34 START 102.068
HIERARCH ESO ISS PBLA34 END 101.99
HIERARCH ESO ISS AMBI TAU0 START 0.005442
HIERARCH ESO ISS AMBI TAU0 END 0.00611
HIERARCH ESO ISS AMBI TEMP 12.83
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.67