Exposure
ID
MATIS.2025-08-11T08:07:12.795_1
Header ID
MATIS.2025-08-11T08:07:12.795
Date updated
2025-08-11 08:15:31 UTC+0000
Release date
2026-08-11 08:15:31 UTC+0000
UTC Start
2025-08-11 08:07:12.795
UTC End
2025-08-11 08:08:14.805
MJD Start
60898.33834254
MJD End
60898.339060248334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.006037
Ambient temperature (°C)
14.75
Seeing (arcsec)
0.33
Observation
ID
69920
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
51889
Name
HD 218396
RA
346.871656
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 50.6090 50.6750 38.2000 38.2000
U1-U3 95.0580 95.1670 43.0000 43.0000
U1-U4 130.2080 130.2100 61.3320 61.2380
U2-U3 44.8170 44.8570 48.3000 48.3000
U2-U4 85.9720 85.8720 74.6790 74.5660
U3-U4 49.9350 49.7780 98.1410 98.0730
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 60898.33834254
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871656
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 50.609
HIERARCH ESO ISS PBL12 END 50.675
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 95.058
HIERARCH ESO ISS PBL13 END 95.167
HIERARCH ESO ISS PBLA13 START 43.0
HIERARCH ESO ISS PBLA13 END 43.0
HIERARCH ESO ISS PBL14 START 130.208
HIERARCH ESO ISS PBL14 END 130.21
HIERARCH ESO ISS PBLA14 START 61.332
HIERARCH ESO ISS PBLA14 END 61.238
HIERARCH ESO ISS PBL23 START 44.817
HIERARCH ESO ISS PBL23 END 44.857
HIERARCH ESO ISS PBLA23 START 48.3
HIERARCH ESO ISS PBLA23 END 48.3
HIERARCH ESO ISS PBL24 START 85.972
HIERARCH ESO ISS PBL24 END 85.872
HIERARCH ESO ISS PBLA24 START 74.679
HIERARCH ESO ISS PBLA24 END 74.566
HIERARCH ESO ISS PBL34 START 49.935
HIERARCH ESO ISS PBL34 END 49.778
HIERARCH ESO ISS PBLA34 START 98.141
HIERARCH ESO ISS PBLA34 END 98.073
HIERARCH ESO ISS AMBI TAU0 START 0.006037
HIERARCH ESO ISS AMBI TAU0 END 0.006037
HIERARCH ESO ISS AMBI TEMP 14.75
HIERARCH ESO ISS AMBI FWHM START 0.34
HIERARCH ESO ISS AMBI FWHM END 0.32