Exposure
ID
MATIS.2025-08-07T08:19:42.981_1
Header ID
MATIS.2025-08-07T08:19:42.981
Date updated
2025-08-07 08:30:44 UTC+0000
Release date
2026-08-07 08:30:43 UTC+0000
UTC Start
2025-08-07 08:19:42.981
UTC End
2025-08-07 08:20:44.991
MJD Start
60894.34702524
MJD End
60894.34774294833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.008167
Ambient temperature (°C)
13.78
Seeing (arcsec)
0.57
Observation
ID
69496
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
51621
Name
HD 218396
RA
346.871693
DEC
21.13408
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 50.4020 50.4680 38.2000 38.2000
U1-U3 94.7110 94.8220 43.1000 43.0000
U1-U4 130.1920 130.1990 61.6200 61.5280
U2-U3 44.6870 44.7290 48.5000 48.4000
U2-U4 86.2790 86.1820 75.0260 74.9150
U3-U4 50.4210 50.2670 98.3530 98.2850
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 60894.34702524
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871693
DEC 21.13408
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 50.402
HIERARCH ESO ISS PBL12 END 50.468
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 94.711
HIERARCH ESO ISS PBL13 END 94.822
HIERARCH ESO ISS PBLA13 START 43.1
HIERARCH ESO ISS PBLA13 END 43.0
HIERARCH ESO ISS PBL14 START 130.192
HIERARCH ESO ISS PBL14 END 130.199
HIERARCH ESO ISS PBLA14 START 61.62
HIERARCH ESO ISS PBLA14 END 61.528
HIERARCH ESO ISS PBL23 START 44.687
HIERARCH ESO ISS PBL23 END 44.729
HIERARCH ESO ISS PBLA23 START 48.5
HIERARCH ESO ISS PBLA23 END 48.4
HIERARCH ESO ISS PBL24 START 86.279
HIERARCH ESO ISS PBL24 END 86.182
HIERARCH ESO ISS PBLA24 START 75.026
HIERARCH ESO ISS PBLA24 END 74.915
HIERARCH ESO ISS PBL34 START 50.421
HIERARCH ESO ISS PBL34 END 50.267
HIERARCH ESO ISS PBLA34 START 98.353
HIERARCH ESO ISS PBLA34 END 98.285
HIERARCH ESO ISS AMBI TAU0 START 0.007874
HIERARCH ESO ISS AMBI TAU0 END 0.00846
HIERARCH ESO ISS AMBI TEMP 13.78
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57