Exposure
ID
MATIS.2025-08-07T07:42:33.511_1
Header ID
MATIS.2025-08-07T07:42:33.511
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 07:42:33.511
UTC End
2025-08-07 07:43:35.521
MJD Start
60894.32122119
MJD End
60894.321938898334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.008564
Ambient temperature (°C)
13.38
Seeing (arcsec)
0.745
Observation
ID
69468
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
51607
Name
HD 218396
RA
346.871676
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 47.7890 47.8690 37.7000 37.7000
U1-U3 90.1520 90.2970 43.4000 43.4000
U1-U4 128.7160 128.7930 64.6730 64.5920
U2-U3 42.8650 42.9260 49.8000 49.8000
U2-U4 88.8000 88.7540 78.7930 78.6900
U3-U4 55.3480 55.2240 100.8340 100.7620
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 60894.32122119
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871676
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 47.789
HIERARCH ESO ISS PBL12 END 47.869
HIERARCH ESO ISS PBLA12 START 37.7
HIERARCH ESO ISS PBLA12 END 37.7
HIERARCH ESO ISS PBL13 START 90.152
HIERARCH ESO ISS PBL13 END 90.297
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 128.716
HIERARCH ESO ISS PBL14 END 128.793
HIERARCH ESO ISS PBLA14 START 64.673
HIERARCH ESO ISS PBLA14 END 64.592
HIERARCH ESO ISS PBL23 START 42.865
HIERARCH ESO ISS PBL23 END 42.926
HIERARCH ESO ISS PBLA23 START 49.8
HIERARCH ESO ISS PBLA23 END 49.8
HIERARCH ESO ISS PBL24 START 88.8
HIERARCH ESO ISS PBL24 END 88.754
HIERARCH ESO ISS PBLA24 START 78.793
HIERARCH ESO ISS PBLA24 END 78.69
HIERARCH ESO ISS PBL34 START 55.348
HIERARCH ESO ISS PBL34 END 55.224
HIERARCH ESO ISS PBLA34 START 100.834
HIERARCH ESO ISS PBLA34 END 100.762
HIERARCH ESO ISS AMBI TAU0 START 0.008564
HIERARCH ESO ISS AMBI TAU0 END 0.008564
HIERARCH ESO ISS AMBI TEMP 13.38
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.75