Exposure
ID
MATIS.2025-08-11T08:00:24.899_1
Header ID
MATIS.2025-08-11T08:00:24.899
Date updated
2025-08-11 08:10:42 UTC+0000
Release date
2026-08-11 08:10:41 UTC+0000
UTC Start
2025-08-11 08:00:24.899
UTC End
2025-08-11 08:01:26.909
MJD Start
60898.33362152
MJD End
60898.334339228335
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.005443
Ambient temperature (°C)
14.69
Seeing (arcsec)
0.39
Observation
ID
69922
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
51890
Name
HD 218396
RA
346.871658
DEC
21.13371
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 50.1690 50.2360 38.2000 38.2000
U1-U3 94.3180 94.4330 43.1000 43.1000
U1-U4 130.1540 130.1670 61.9370 61.8460
U2-U3 44.5390 44.5830 48.6000 48.6000
U2-U4 86.6010 86.5090 75.4080 75.2980
U3-U4 50.9450 50.7940 98.5900 98.5220
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 60898.33362152
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871658
DEC 21.13371
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 50.169
HIERARCH ESO ISS PBL12 END 50.236
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 94.318
HIERARCH ESO ISS PBL13 END 94.433
HIERARCH ESO ISS PBLA13 START 43.1
HIERARCH ESO ISS PBLA13 END 43.1
HIERARCH ESO ISS PBL14 START 130.154
HIERARCH ESO ISS PBL14 END 130.167
HIERARCH ESO ISS PBLA14 START 61.937
HIERARCH ESO ISS PBLA14 END 61.846
HIERARCH ESO ISS PBL23 START 44.539
HIERARCH ESO ISS PBL23 END 44.583
HIERARCH ESO ISS PBLA23 START 48.6
HIERARCH ESO ISS PBLA23 END 48.6
HIERARCH ESO ISS PBL24 START 86.601
HIERARCH ESO ISS PBL24 END 86.509
HIERARCH ESO ISS PBLA24 START 75.408
HIERARCH ESO ISS PBLA24 END 75.298
HIERARCH ESO ISS PBL34 START 50.945
HIERARCH ESO ISS PBL34 END 50.794
HIERARCH ESO ISS PBLA34 START 98.59
HIERARCH ESO ISS PBLA34 END 98.522
HIERARCH ESO ISS AMBI TAU0 START 0.005443
HIERARCH ESO ISS AMBI TAU0 END 0.005443
HIERARCH ESO ISS AMBI TEMP 14.69
HIERARCH ESO ISS AMBI FWHM START 0.39
HIERARCH ESO ISS AMBI FWHM END 0.39