Exposure
ID
MATIS.2025-08-10T06:40:34.981_1
Header ID
MATIS.2025-08-10T06:40:34.981
Date updated
2025-08-10 06:50:44 UTC+0000
Release date
2026-08-10 06:50:44 UTC+0000
UTC Start
2025-08-10 06:40:34.981
UTC End
2025-08-10 06:41:36.991
MJD Start
60897.27818265
MJD End
60897.27890035833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.004424
Ambient temperature (°C)
12.31
Seeing (arcsec)
0.45
Observation
ID
69718
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
51774
Name
HD 218396
RA
346.871433
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 43.7380 43.8260 35.5000 35.5000
U1-U3 82.4920 82.6700 42.6000 42.6000
U1-U4 122.7970 122.9700 68.0690 68.0050
U2-U3 39.4590 39.5420 50.4000 50.4000
U2-U4 89.1180 89.1500 83.4010 83.3070
U3-U4 59.9930 59.9190 104.3790 104.3000
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 60897.27818265
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871433
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 43.738
HIERARCH ESO ISS PBL12 END 43.826
HIERARCH ESO ISS PBLA12 START 35.5
HIERARCH ESO ISS PBLA12 END 35.5
HIERARCH ESO ISS PBL13 START 82.492
HIERARCH ESO ISS PBL13 END 82.67
HIERARCH ESO ISS PBLA13 START 42.6
HIERARCH ESO ISS PBLA13 END 42.6
HIERARCH ESO ISS PBL14 START 122.797
HIERARCH ESO ISS PBL14 END 122.97
HIERARCH ESO ISS PBLA14 START 68.069
HIERARCH ESO ISS PBLA14 END 68.005
HIERARCH ESO ISS PBL23 START 39.459
HIERARCH ESO ISS PBL23 END 39.542
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.118
HIERARCH ESO ISS PBL24 END 89.15
HIERARCH ESO ISS PBLA24 START 83.401
HIERARCH ESO ISS PBLA24 END 83.307
HIERARCH ESO ISS PBL34 START 59.993
HIERARCH ESO ISS PBL34 END 59.919
HIERARCH ESO ISS PBLA34 START 104.379
HIERARCH ESO ISS PBLA34 END 104.3
HIERARCH ESO ISS AMBI TAU0 START 0.004424
HIERARCH ESO ISS AMBI TAU0 END 0.004424
HIERARCH ESO ISS AMBI TEMP 12.31
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.45