Exposure
ID
MATIS.2025-08-07T05:37:02.529_1
Header ID
MATIS.2025-08-07T05:37:02.529
Date updated
2025-08-07 05:45:45 UTC+0000
Release date
2026-08-07 05:45:45 UTC+0000
UTC Start
2025-08-07 05:37:02.529
UTC End
2025-08-07 05:38:04.539
MJD Start
60894.23405705
MJD End
60894.23477475833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.006718
Ambient temperature (°C)
12.96
Seeing (arcsec)
0.6
Observation
ID
69366
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
51555
Name
HD 218396
RA
346.871618
DEC
21.13382
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 37.3370 37.4210 27.7000 27.9000
U1-U3 68.8820 69.0750 37.2000 37.3000
U1-U4 105.3970 105.7020 71.7730 71.7330
U2-U3 32.6250 32.7290 48.0000 48.0000
U2-U4 82.7240 82.8660 90.0550 89.9610
U3-U4 62.4680 62.4700 110.5490 110.4550
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 60894.23405705
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871618
DEC 21.13382
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 37.337
HIERARCH ESO ISS PBL12 END 37.421
HIERARCH ESO ISS PBLA12 START 27.7
HIERARCH ESO ISS PBLA12 END 27.9
HIERARCH ESO ISS PBL13 START 68.882
HIERARCH ESO ISS PBL13 END 69.075
HIERARCH ESO ISS PBLA13 START 37.2
HIERARCH ESO ISS PBLA13 END 37.3
HIERARCH ESO ISS PBL14 START 105.397
HIERARCH ESO ISS PBL14 END 105.702
HIERARCH ESO ISS PBLA14 START 71.773
HIERARCH ESO ISS PBLA14 END 71.733
HIERARCH ESO ISS PBL23 START 32.625
HIERARCH ESO ISS PBL23 END 32.729
HIERARCH ESO ISS PBLA23 START 48.0
HIERARCH ESO ISS PBLA23 END 48.0
HIERARCH ESO ISS PBL24 START 82.724
HIERARCH ESO ISS PBL24 END 82.866
HIERARCH ESO ISS PBLA24 START 90.055
HIERARCH ESO ISS PBLA24 END 89.961
HIERARCH ESO ISS PBL34 START 62.468
HIERARCH ESO ISS PBL34 END 62.47
HIERARCH ESO ISS PBLA34 START 110.549
HIERARCH ESO ISS PBLA34 END 110.455
HIERARCH ESO ISS AMBI TAU0 START 0.006718
HIERARCH ESO ISS AMBI TAU0 END 0.006718
HIERARCH ESO ISS AMBI TEMP 12.96
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.58