Exposure
ID
MATIS.2025-08-09T06:38:19.915_1
Header ID
MATIS.2025-08-09T06:38:19.915
Date updated
2025-08-09 06:45:43 UTC+0000
Release date
2026-08-09 06:45:42 UTC+0000
UTC Start
2025-08-09 06:38:19.915
UTC End
2025-08-09 06:39:21.925
MJD Start
60896.27661939
MJD End
60896.277337098334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0046654999999999995
Ambient temperature (°C)
12.38
Seeing (arcsec)
0.665
Observation
ID
69567
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
51676
Name
HD 218396
RA
346.871582
DEC
21.13391
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 43.2120 43.3010 35.0000 35.1000
U1-U3 81.4480 81.6250 42.3000 42.4000
U1-U4 121.7500 121.9320 68.4310 68.3700
U2-U3 38.9690 39.0520 50.4000 50.4000
U2-U4 88.9040 88.9440 83.9430 83.8520
U3-U4 60.4000 60.3340 104.8360 104.7570
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 60896.27661939
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871582
DEC 21.13391
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 43.212
HIERARCH ESO ISS PBL12 END 43.301
HIERARCH ESO ISS PBLA12 START 35.0
HIERARCH ESO ISS PBLA12 END 35.1
HIERARCH ESO ISS PBL13 START 81.448
HIERARCH ESO ISS PBL13 END 81.625
HIERARCH ESO ISS PBLA13 START 42.3
HIERARCH ESO ISS PBLA13 END 42.4
HIERARCH ESO ISS PBL14 START 121.75
HIERARCH ESO ISS PBL14 END 121.932
HIERARCH ESO ISS PBLA14 START 68.431
HIERARCH ESO ISS PBLA14 END 68.37
HIERARCH ESO ISS PBL23 START 38.969
HIERARCH ESO ISS PBL23 END 39.052
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 88.904
HIERARCH ESO ISS PBL24 END 88.944
HIERARCH ESO ISS PBLA24 START 83.943
HIERARCH ESO ISS PBLA24 END 83.852
HIERARCH ESO ISS PBL34 START 60.4
HIERARCH ESO ISS PBL34 END 60.334
HIERARCH ESO ISS PBLA34 START 104.836
HIERARCH ESO ISS PBLA34 END 104.757
HIERARCH ESO ISS AMBI TAU0 START 0.004586
HIERARCH ESO ISS AMBI TAU0 END 0.004745
HIERARCH ESO ISS AMBI TEMP 12.38
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.66