Exposure
ID
MATIS.2025-08-11T07:32:16.052_1
Header ID
MATIS.2025-08-11T07:32:16.052
Date updated
2025-08-11 07:40:43 UTC+0000
Release date
2026-08-11 07:40:43 UTC+0000
UTC Start
2025-08-11 07:32:16.052
UTC End
2025-08-11 07:33:18.062
MJD Start
60898.31407468
MJD End
60898.31479238833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.003187
Ambient temperature (°C)
14.73
Seeing (arcsec)
0.55
Observation
ID
69902
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
51878
Name
HD 218396
RA
346.871641
DEC
21.13369
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 48.1950 48.2740 37.8000 37.9000
U1-U3 90.8820 91.0230 43.4000 43.4000
U1-U4 129.0840 129.1490 64.2590 64.1760
U2-U3 43.1700 43.2280 49.7000 49.6000
U2-U4 88.5490 88.4950 78.2680 78.1640
U3-U4 54.7040 54.5750 100.4680 100.3960
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 60898.31407468
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871641
DEC 21.13369
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 48.195
HIERARCH ESO ISS PBL12 END 48.274
HIERARCH ESO ISS PBLA12 START 37.8
HIERARCH ESO ISS PBLA12 END 37.9
HIERARCH ESO ISS PBL13 START 90.882
HIERARCH ESO ISS PBL13 END 91.023
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 129.084
HIERARCH ESO ISS PBL14 END 129.149
HIERARCH ESO ISS PBLA14 START 64.259
HIERARCH ESO ISS PBLA14 END 64.176
HIERARCH ESO ISS PBL23 START 43.17
HIERARCH ESO ISS PBL23 END 43.228
HIERARCH ESO ISS PBLA23 START 49.7
HIERARCH ESO ISS PBLA23 END 49.6
HIERARCH ESO ISS PBL24 START 88.549
HIERARCH ESO ISS PBL24 END 88.495
HIERARCH ESO ISS PBLA24 START 78.268
HIERARCH ESO ISS PBLA24 END 78.164
HIERARCH ESO ISS PBL34 START 54.704
HIERARCH ESO ISS PBL34 END 54.575
HIERARCH ESO ISS PBLA34 START 100.468
HIERARCH ESO ISS PBLA34 END 100.396
HIERARCH ESO ISS AMBI TAU0 START 0.003187
HIERARCH ESO ISS AMBI TAU0 END 0.003187
HIERARCH ESO ISS AMBI TEMP 14.73
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.55