Exposure
ID
MATIS.2025-07-10T09:33:35.232_1
Header ID
MATIS.2025-07-10T09:33:35.232
Date updated
2025-07-10 09:40:46 UTC+0000
Release date
2026-07-10 09:40:46 UTC+0000
UTC Start
2025-07-10 09:33:35.232
UTC End
2025-07-10 09:34:41.676
MJD Start
60866.39832445
MJD End
60866.399093477776
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.004795499999999999
Ambient temperature (°C)
12.7
Seeing (arcsec)
0.515
Observation
ID
68571
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
50998
Name
HD 218396
RA
346.870969
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 47.8610 47.9560 37.7000 37.8000
U1-U3 90.2820 90.4530 43.4000 43.4000
U1-U4 128.7840 128.8720 64.6030 64.5060
U2-U3 42.9200 42.9910 49.8000 49.7000
U2-U4 88.7590 88.7030 78.7040 78.5820
U3-U4 55.2380 55.0890 100.7730 100.6870
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 60866.39832445
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.870969
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 47.861
HIERARCH ESO ISS PBL12 END 47.956
HIERARCH ESO ISS PBLA12 START 37.7
HIERARCH ESO ISS PBLA12 END 37.8
HIERARCH ESO ISS PBL13 START 90.282
HIERARCH ESO ISS PBL13 END 90.453
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.784
HIERARCH ESO ISS PBL14 END 128.872
HIERARCH ESO ISS PBLA14 START 64.603
HIERARCH ESO ISS PBLA14 END 64.506
HIERARCH ESO ISS PBL23 START 42.92
HIERARCH ESO ISS PBL23 END 42.991
HIERARCH ESO ISS PBLA23 START 49.8
HIERARCH ESO ISS PBLA23 END 49.7
HIERARCH ESO ISS PBL24 START 88.759
HIERARCH ESO ISS PBL24 END 88.703
HIERARCH ESO ISS PBLA24 START 78.704
HIERARCH ESO ISS PBLA24 END 78.582
HIERARCH ESO ISS PBL34 START 55.238
HIERARCH ESO ISS PBL34 END 55.089
HIERARCH ESO ISS PBLA34 START 100.773
HIERARCH ESO ISS PBLA34 END 100.687
HIERARCH ESO ISS AMBI TAU0 START 0.004187
HIERARCH ESO ISS AMBI TAU0 END 0.005404
HIERARCH ESO ISS AMBI TEMP 12.7
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.54