Exposure
ID
MATIS.2025-08-06T06:19:31.460_1
Header ID
MATIS.2025-08-06T06:19:31.460
Date updated
2025-08-06 06:25:49 UTC+0000
Release date
2026-08-06 06:25:49 UTC+0000
UTC Start
2025-08-06 06:19:31.460
UTC End
2025-08-06 06:20:33.470
MJD Start
60893.26355857
MJD End
60893.26427627833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.007024
Ambient temperature (°C)
14.95
Seeing (arcsec)
0.5549999999999999
Observation
ID
69187
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
51447
Name
HD 218396
RA
346.871566
DEC
21.13409
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 40.5780 40.6670 32.4000 32.5000
U1-U3 76.0380 76.2260 40.7000 40.7000
U1-U4 115.5530 115.7900 70.0830 70.0320
U2-U3 36.3410 36.4350 49.8000 49.9000
U2-U4 87.0200 87.1060 86.6280 86.5380
U3-U4 61.8740 61.8390 107.2250 107.1410
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 60893.26355857
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871566
DEC 21.13409
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 40.578
HIERARCH ESO ISS PBL12 END 40.667
HIERARCH ESO ISS PBLA12 START 32.4
HIERARCH ESO ISS PBLA12 END 32.5
HIERARCH ESO ISS PBL13 START 76.038
HIERARCH ESO ISS PBL13 END 76.226
HIERARCH ESO ISS PBLA13 START 40.7
HIERARCH ESO ISS PBLA13 END 40.7
HIERARCH ESO ISS PBL14 START 115.553
HIERARCH ESO ISS PBL14 END 115.79
HIERARCH ESO ISS PBLA14 START 70.083
HIERARCH ESO ISS PBLA14 END 70.032
HIERARCH ESO ISS PBL23 START 36.341
HIERARCH ESO ISS PBL23 END 36.435
HIERARCH ESO ISS PBLA23 START 49.8
HIERARCH ESO ISS PBLA23 END 49.9
HIERARCH ESO ISS PBL24 START 87.02
HIERARCH ESO ISS PBL24 END 87.106
HIERARCH ESO ISS PBLA24 START 86.628
HIERARCH ESO ISS PBLA24 END 86.538
HIERARCH ESO ISS PBL34 START 61.874
HIERARCH ESO ISS PBL34 END 61.839
HIERARCH ESO ISS PBLA34 START 107.225
HIERARCH ESO ISS PBLA34 END 107.141
HIERARCH ESO ISS AMBI TAU0 START 0.007024
HIERARCH ESO ISS AMBI TAU0 END 0.007024
HIERARCH ESO ISS AMBI TEMP 14.95
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.52