Exposure
ID
MATIS.2025-08-10T08:03:19.851_1
Header ID
MATIS.2025-08-10T08:03:19.851
Date updated
2025-08-10 08:10:34 UTC+0000
Release date
2026-08-10 08:10:33 UTC+0000
UTC Start
2025-08-10 08:03:19.851
UTC End
2025-08-10 08:04:21.861
MJD Start
60897.33564642
MJD End
60897.33636412833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.003332
Ambient temperature (°C)
11.94
Seeing (arcsec)
0.47
Observation
ID
69787
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
51809
Name
HD 218396
RA
346.871492
DEC
21.13373
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 50.1020 50.1700 38.2000 38.2000
U1-U3 94.2050 94.3200 43.1000 43.1000
U1-U4 130.1390 130.1540 62.0250 61.9340
U2-U3 44.4960 44.5400 48.7000 48.6000
U2-U4 86.6900 86.5990 75.5150 75.4050
U3-U4 51.0930 50.9430 98.6570 98.5880
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 60897.33564642
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871492
DEC 21.13373
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 50.102
HIERARCH ESO ISS PBL12 END 50.17
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 94.205
HIERARCH ESO ISS PBL13 END 94.32
HIERARCH ESO ISS PBLA13 START 43.1
HIERARCH ESO ISS PBLA13 END 43.1
HIERARCH ESO ISS PBL14 START 130.139
HIERARCH ESO ISS PBL14 END 130.154
HIERARCH ESO ISS PBLA14 START 62.025
HIERARCH ESO ISS PBLA14 END 61.934
HIERARCH ESO ISS PBL23 START 44.496
HIERARCH ESO ISS PBL23 END 44.54
HIERARCH ESO ISS PBLA23 START 48.7
HIERARCH ESO ISS PBLA23 END 48.6
HIERARCH ESO ISS PBL24 START 86.69
HIERARCH ESO ISS PBL24 END 86.599
HIERARCH ESO ISS PBLA24 START 75.515
HIERARCH ESO ISS PBLA24 END 75.405
HIERARCH ESO ISS PBL34 START 51.093
HIERARCH ESO ISS PBL34 END 50.943
HIERARCH ESO ISS PBLA34 START 98.657
HIERARCH ESO ISS PBLA34 END 98.588
HIERARCH ESO ISS AMBI TAU0 START 0.003412
HIERARCH ESO ISS AMBI TAU0 END 0.003252
HIERARCH ESO ISS AMBI TEMP 11.94
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.48