Exposure
ID
MATIS.2025-08-10T06:53:21.382_1
Header ID
MATIS.2025-08-10T06:53:21.382
Date updated
2025-08-10 07:00:45 UTC+0000
Release date
2026-08-10 07:00:45 UTC+0000
UTC Start
2025-08-10 06:53:21.382
UTC End
2025-08-10 06:54:23.392
MJD Start
60897.28705303
MJD End
60897.28777073833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0050965
Ambient temperature (°C)
12.34
Seeing (arcsec)
0.475
Observation
ID
69728
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
51779
Name
HD 218396
RA
346.871444
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 44.8110 44.9000 36.2000 36.3000
U1-U3 84.5860 84.7570 43.0000 43.0000
U1-U4 124.7390 124.8870 67.2780 67.2090
U2-U3 40.4240 40.5020 50.4000 50.4000
U2-U4 89.3840 89.3950 82.2620 82.1670
U3-U4 59.0370 58.9500 103.4470 103.3700
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 60897.28705303
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871444
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 44.811
HIERARCH ESO ISS PBL12 END 44.9
HIERARCH ESO ISS PBLA12 START 36.2
HIERARCH ESO ISS PBLA12 END 36.3
HIERARCH ESO ISS PBL13 START 84.586
HIERARCH ESO ISS PBL13 END 84.757
HIERARCH ESO ISS PBLA13 START 43.0
HIERARCH ESO ISS PBLA13 END 43.0
HIERARCH ESO ISS PBL14 START 124.739
HIERARCH ESO ISS PBL14 END 124.887
HIERARCH ESO ISS PBLA14 START 67.278
HIERARCH ESO ISS PBLA14 END 67.209
HIERARCH ESO ISS PBL23 START 40.424
HIERARCH ESO ISS PBL23 END 40.502
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.384
HIERARCH ESO ISS PBL24 END 89.395
HIERARCH ESO ISS PBLA24 START 82.262
HIERARCH ESO ISS PBLA24 END 82.167
HIERARCH ESO ISS PBL34 START 59.037
HIERARCH ESO ISS PBL34 END 58.95
HIERARCH ESO ISS PBLA34 START 103.447
HIERARCH ESO ISS PBLA34 END 103.37
HIERARCH ESO ISS AMBI TAU0 START 0.00619
HIERARCH ESO ISS AMBI TAU0 END 0.004003
HIERARCH ESO ISS AMBI TEMP 12.34
HIERARCH ESO ISS AMBI FWHM START 0.44
HIERARCH ESO ISS AMBI FWHM END 0.51