Exposure
ID
MATIS.2025-08-11T07:16:52.956_1
Header ID
MATIS.2025-08-11T07:16:52.956
Date updated
2025-08-11 07:25:44 UTC+0000
Release date
2026-08-11 07:25:44 UTC+0000
UTC Start
2025-08-11 07:16:52.956
UTC End
2025-08-11 07:17:54.966
MJD Start
60898.30339069
MJD End
60898.30410839833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0043415
Ambient temperature (°C)
15.3
Seeing (arcsec)
0.37
Observation
ID
69888
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
51872
Name
HD 218396
RA
346.87163
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 47.0270 47.1080 37.4000 37.5000
U1-U3 88.7640 88.9110 43.4000 43.4000
U1-U4 127.9080 128.0000 65.4090 65.3340
U2-U3 42.2750 42.3390 50.0000 50.0000
U2-U4 89.1510 89.1210 79.7400 79.6430
U3-U4 56.4550 56.3440 101.5150 101.4440
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 60898.30339069
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.87163
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 47.027
HIERARCH ESO ISS PBL12 END 47.108
HIERARCH ESO ISS PBLA12 START 37.4
HIERARCH ESO ISS PBLA12 END 37.5
HIERARCH ESO ISS PBL13 START 88.764
HIERARCH ESO ISS PBL13 END 88.911
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 127.908
HIERARCH ESO ISS PBL14 END 128.0
HIERARCH ESO ISS PBLA14 START 65.409
HIERARCH ESO ISS PBLA14 END 65.334
HIERARCH ESO ISS PBL23 START 42.275
HIERARCH ESO ISS PBL23 END 42.339
HIERARCH ESO ISS PBLA23 START 50.0
HIERARCH ESO ISS PBLA23 END 50.0
HIERARCH ESO ISS PBL24 START 89.151
HIERARCH ESO ISS PBL24 END 89.121
HIERARCH ESO ISS PBLA24 START 79.74
HIERARCH ESO ISS PBLA24 END 79.643
HIERARCH ESO ISS PBL34 START 56.455
HIERARCH ESO ISS PBL34 END 56.344
HIERARCH ESO ISS PBLA34 START 101.515
HIERARCH ESO ISS PBLA34 END 101.444
HIERARCH ESO ISS AMBI TAU0 START 0.003491
HIERARCH ESO ISS AMBI TAU0 END 0.005192
HIERARCH ESO ISS AMBI TEMP 15.3
HIERARCH ESO ISS AMBI FWHM START 0.37
HIERARCH ESO ISS AMBI FWHM END 0.37