Exposure
ID
MATIS.2025-08-11T07:05:25.791_1
Header ID
MATIS.2025-08-11T07:05:25.791
Date updated
2025-08-11 07:10:43 UTC+0000
Release date
2026-08-11 07:10:43 UTC+0000
UTC Start
2025-08-11 07:05:25.791
UTC End
2025-08-11 07:06:27.801
MJD Start
60898.2954374
MJD End
60898.29615510833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.004358
Ambient temperature (°C)
15.01
Seeing (arcsec)
0.43
Observation
ID
69872
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
51864
Name
HD 218396
RA
346.871625
DEC
21.1337
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 46.1200 46.2030 37.0000 37.0000
U1-U3 87.0780 87.2340 43.3000 43.3000
U1-U4 126.7530 126.8670 66.2180 66.1470
U2-U3 41.5410 41.6100 50.2000 50.2000
U2-U4 89.3810 89.3680 80.8080 80.7120
U3-U4 57.6190 57.5190 102.3100 102.2380
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 60898.2954374
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871625
DEC 21.1337
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 46.12
HIERARCH ESO ISS PBL12 END 46.203
HIERARCH ESO ISS PBLA12 START 37.0
HIERARCH ESO ISS PBLA12 END 37.0
HIERARCH ESO ISS PBL13 START 87.078
HIERARCH ESO ISS PBL13 END 87.234
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 126.753
HIERARCH ESO ISS PBL14 END 126.867
HIERARCH ESO ISS PBLA14 START 66.218
HIERARCH ESO ISS PBLA14 END 66.147
HIERARCH ESO ISS PBL23 START 41.541
HIERARCH ESO ISS PBL23 END 41.61
HIERARCH ESO ISS PBLA23 START 50.2
HIERARCH ESO ISS PBLA23 END 50.2
HIERARCH ESO ISS PBL24 START 89.381
HIERARCH ESO ISS PBL24 END 89.368
HIERARCH ESO ISS PBLA24 START 80.808
HIERARCH ESO ISS PBLA24 END 80.712
HIERARCH ESO ISS PBL34 START 57.619
HIERARCH ESO ISS PBL34 END 57.519
HIERARCH ESO ISS PBLA34 START 102.31
HIERARCH ESO ISS PBLA34 END 102.238
HIERARCH ESO ISS AMBI TAU0 START 0.004358
HIERARCH ESO ISS AMBI TAU0 END 0.004358
HIERARCH ESO ISS AMBI TEMP 15.01
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.43