Exposure
ID
MATIS.2025-08-07T07:39:28.322_1
Header ID
MATIS.2025-08-07T07:39:28.322
Date updated
2025-08-07 07:50:45 UTC+0000
Release date
2026-08-07 07:50:44 UTC+0000
UTC Start
2025-08-07 07:39:28.322
UTC End
2025-08-07 07:40:30.332
MJD Start
60894.3190778
MJD End
60894.31979550833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.007296
Ambient temperature (°C)
13.39
Seeing (arcsec)
0.77
Observation
ID
69466
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
51606
Name
HD 218396
RA
346.871677
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 47.5560 47.6350 37.6000 37.7000
U1-U3 89.7310 89.8740 43.4000 43.4000
U1-U4 128.4860 128.5650 64.9030 64.8260
U2-U3 42.6880 42.7480 49.9000 49.9000
U2-U4 88.9230 88.8830 79.0870 78.9880
U3-U4 55.6990 55.5820 101.0430 100.9730
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 60894.3190778
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871677
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 47.556
HIERARCH ESO ISS PBL12 END 47.635
HIERARCH ESO ISS PBLA12 START 37.6
HIERARCH ESO ISS PBLA12 END 37.7
HIERARCH ESO ISS PBL13 START 89.731
HIERARCH ESO ISS PBL13 END 89.874
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.486
HIERARCH ESO ISS PBL14 END 128.565
HIERARCH ESO ISS PBLA14 START 64.903
HIERARCH ESO ISS PBLA14 END 64.826
HIERARCH ESO ISS PBL23 START 42.688
HIERARCH ESO ISS PBL23 END 42.748
HIERARCH ESO ISS PBLA23 START 49.9
HIERARCH ESO ISS PBLA23 END 49.9
HIERARCH ESO ISS PBL24 START 88.923
HIERARCH ESO ISS PBL24 END 88.883
HIERARCH ESO ISS PBLA24 START 79.087
HIERARCH ESO ISS PBLA24 END 78.988
HIERARCH ESO ISS PBL34 START 55.699
HIERARCH ESO ISS PBL34 END 55.582
HIERARCH ESO ISS PBLA34 START 101.043
HIERARCH ESO ISS PBLA34 END 100.973
HIERARCH ESO ISS AMBI TAU0 START 0.007147
HIERARCH ESO ISS AMBI TAU0 END 0.007445
HIERARCH ESO ISS AMBI TEMP 13.39
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.77