Exposure
ID
MATIS.2025-08-06T08:49:11.780_1
Header ID
MATIS.2025-08-06T08:49:11.780
Date updated
2025-08-06 08:55:41 UTC+0000
Release date
2026-08-06 08:55:41 UTC+0000
UTC Start
2025-08-06 08:49:11.780
UTC End
2025-08-06 08:50:18.224
MJD Start
60893.36749745
MJD End
60893.36826647778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.007327499999999999
Ambient temperature (°C)
14.31
Seeing (arcsec)
0.47
Observation
ID
69306
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
51509
Name
HD 218396
RA
346.871656
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 51.9500 52.0210 38.1000 38.1000
U1-U3 97.2300 97.3420 42.4000 42.3000
U1-U4 129.8520 129.8070 59.2110 59.0840
U2-U3 45.5850 45.6220 47.2000 47.1000
U2-U4 83.5010 83.3430 72.1500 72.0000
U3-U4 46.3490 46.1340 96.6640 96.5800
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 60893.36749745
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871656
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 51.95
HIERARCH ESO ISS PBL12 END 52.021
HIERARCH ESO ISS PBLA12 START 38.1
HIERARCH ESO ISS PBLA12 END 38.1
HIERARCH ESO ISS PBL13 START 97.23
HIERARCH ESO ISS PBL13 END 97.342
HIERARCH ESO ISS PBLA13 START 42.4
HIERARCH ESO ISS PBLA13 END 42.3
HIERARCH ESO ISS PBL14 START 129.852
HIERARCH ESO ISS PBL14 END 129.807
HIERARCH ESO ISS PBLA14 START 59.211
HIERARCH ESO ISS PBLA14 END 59.084
HIERARCH ESO ISS PBL23 START 45.585
HIERARCH ESO ISS PBL23 END 45.622
HIERARCH ESO ISS PBLA23 START 47.2
HIERARCH ESO ISS PBLA23 END 47.1
HIERARCH ESO ISS PBL24 START 83.501
HIERARCH ESO ISS PBL24 END 83.343
HIERARCH ESO ISS PBLA24 START 72.15
HIERARCH ESO ISS PBLA24 END 72.0
HIERARCH ESO ISS PBL34 START 46.349
HIERARCH ESO ISS PBL34 END 46.134
HIERARCH ESO ISS PBLA34 START 96.664
HIERARCH ESO ISS PBLA34 END 96.58
HIERARCH ESO ISS AMBI TAU0 START 0.006682
HIERARCH ESO ISS AMBI TAU0 END 0.007973
HIERARCH ESO ISS AMBI TEMP 14.31
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.45