Exposure
ID
MATIS.2025-08-07T07:00:42.520_1
Header ID
MATIS.2025-08-07T07:00:42.520
Date updated
2025-08-07 07:10:34 UTC+0000
Release date
2026-08-07 07:10:34 UTC+0000
UTC Start
2025-08-07 07:00:42.520
UTC End
2025-08-07 07:01:44.530
MJD Start
60894.2921588
MJD End
60894.292876508334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0082665
Ambient temperature (°C)
13.31
Seeing (arcsec)
0.59
Observation
ID
69437
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
51591
Name
HD 218396
RA
346.871648
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 44.4420 44.5290 36.0000 36.0000
U1-U3 83.8710 84.0390 42.8000 42.9000
U1-U4 124.1000 124.2530 67.5560 67.4910
U2-U3 40.0970 40.1740 50.4000 50.4000
U2-U4 89.3190 89.3370 82.6580 82.5650
U3-U4 59.3860 59.3060 103.7660 103.6910
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 60894.2921588
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871648
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 44.442
HIERARCH ESO ISS PBL12 END 44.529
HIERARCH ESO ISS PBLA12 START 36.0
HIERARCH ESO ISS PBLA12 END 36.0
HIERARCH ESO ISS PBL13 START 83.871
HIERARCH ESO ISS PBL13 END 84.039
HIERARCH ESO ISS PBLA13 START 42.8
HIERARCH ESO ISS PBLA13 END 42.9
HIERARCH ESO ISS PBL14 START 124.1
HIERARCH ESO ISS PBL14 END 124.253
HIERARCH ESO ISS PBLA14 START 67.556
HIERARCH ESO ISS PBLA14 END 67.491
HIERARCH ESO ISS PBL23 START 40.097
HIERARCH ESO ISS PBL23 END 40.174
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.319
HIERARCH ESO ISS PBL24 END 89.337
HIERARCH ESO ISS PBLA24 START 82.658
HIERARCH ESO ISS PBLA24 END 82.565
HIERARCH ESO ISS PBL34 START 59.386
HIERARCH ESO ISS PBL34 END 59.306
HIERARCH ESO ISS PBLA34 START 103.766
HIERARCH ESO ISS PBLA34 END 103.691
HIERARCH ESO ISS AMBI TAU0 START 0.008894
HIERARCH ESO ISS AMBI TAU0 END 0.007639
HIERARCH ESO ISS AMBI TEMP 13.31
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.58