Exposure
ID
MATIS.2025-07-10T09:16:10.336_1
Header ID
MATIS.2025-07-10T09:16:10.336
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 09:16:10.336
UTC End
2025-07-10 09:17:12.346
MJD Start
60866.38623074
MJD End
60866.38694844833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.00611
Ambient temperature (°C)
12.81
Seeing (arcsec)
0.71
Observation
ID
68558
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
50991
Name
HD 218396
RA
346.870959
DEC
21.13427
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
HIGH_SENS_N_LOW
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 46.5160 46.5980 37.2000 37.2000
U1-U3 87.8170 87.9690 43.3000 43.3000
U1-U4 127.2800 127.3850 65.8740 65.8010
U2-U3 41.8650 41.9310 50.2000 50.1000
U2-U4 89.3050 89.2840 80.3500 80.2540
U3-U4 57.1320 57.0270 101.9660 101.8950
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 60866.38623074
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.870959
DEC 21.13427
HIERARCH ESO DET NAME MATISSE-N
HIERARCH ESO INS DIN NAME LOW
HIERARCH ESO INS DIN ID LOW
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 0.0200088
HIERARCH ESO DET SEQ1 PERIOD 0.026
HIERARCH ESO DET NDIT 2385
HIERARCH ESO ISS PBL12 START 46.516
HIERARCH ESO ISS PBL12 END 46.598
HIERARCH ESO ISS PBLA12 START 37.2
HIERARCH ESO ISS PBLA12 END 37.2
HIERARCH ESO ISS PBL13 START 87.817
HIERARCH ESO ISS PBL13 END 87.969
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 127.28
HIERARCH ESO ISS PBL14 END 127.385
HIERARCH ESO ISS PBLA14 START 65.874
HIERARCH ESO ISS PBLA14 END 65.801
HIERARCH ESO ISS PBL23 START 41.865
HIERARCH ESO ISS PBL23 END 41.931
HIERARCH ESO ISS PBLA23 START 50.2
HIERARCH ESO ISS PBLA23 END 50.1
HIERARCH ESO ISS PBL24 START 89.305
HIERARCH ESO ISS PBL24 END 89.284
HIERARCH ESO ISS PBLA24 START 80.35
HIERARCH ESO ISS PBLA24 END 80.254
HIERARCH ESO ISS PBL34 START 57.132
HIERARCH ESO ISS PBL34 END 57.027
HIERARCH ESO ISS PBLA34 START 101.966
HIERARCH ESO ISS PBLA34 END 101.895
HIERARCH ESO ISS AMBI TAU0 START 0.00611
HIERARCH ESO ISS AMBI TAU0 END 0.00611
HIERARCH ESO ISS AMBI TEMP 12.81
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.71