Exposure
ID
MATIS.2025-08-06T05:48:18.929_1
Header ID
MATIS.2025-08-06T05:48:18.929
Date updated
2025-08-06 05:55:45 UTC+0000
Release date
2026-08-06 05:55:45 UTC+0000
UTC Start
2025-08-06 05:48:18.929
UTC End
2025-08-06 05:49:20.939
MJD Start
60893.24188575
MJD End
60893.24260345833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.007785500000000001
Ambient temperature (°C)
15.27
Seeing (arcsec)
0.5549999999999999
Observation
ID
69165
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
51436
Name
HD 218396
RA
346.87155
DEC
21.13411
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 37.9340 38.0220 28.8000 28.9000
U1-U3 70.2500 70.4500 38.0000 38.1000
U1-U4 107.5200 107.8220 71.4870 71.4440
U2-U3 33.3580 33.4640 48.4000 48.5000
U2-U4 83.7010 83.8370 89.3930 89.2970
U3-U4 62.4620 62.4570 109.8860 109.7900
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 60893.24188575
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.87155
DEC 21.13411
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 37.934
HIERARCH ESO ISS PBL12 END 38.022
HIERARCH ESO ISS PBLA12 START 28.8
HIERARCH ESO ISS PBLA12 END 28.9
HIERARCH ESO ISS PBL13 START 70.25
HIERARCH ESO ISS PBL13 END 70.45
HIERARCH ESO ISS PBLA13 START 38.0
HIERARCH ESO ISS PBLA13 END 38.1
HIERARCH ESO ISS PBL14 START 107.52
HIERARCH ESO ISS PBL14 END 107.822
HIERARCH ESO ISS PBLA14 START 71.487
HIERARCH ESO ISS PBLA14 END 71.444
HIERARCH ESO ISS PBL23 START 33.358
HIERARCH ESO ISS PBL23 END 33.464
HIERARCH ESO ISS PBLA23 START 48.4
HIERARCH ESO ISS PBLA23 END 48.5
HIERARCH ESO ISS PBL24 START 83.701
HIERARCH ESO ISS PBL24 END 83.837
HIERARCH ESO ISS PBLA24 START 89.393
HIERARCH ESO ISS PBLA24 END 89.297
HIERARCH ESO ISS PBL34 START 62.462
HIERARCH ESO ISS PBL34 END 62.457
HIERARCH ESO ISS PBLA34 START 109.886
HIERARCH ESO ISS PBLA34 END 109.79
HIERARCH ESO ISS AMBI TAU0 START 0.008429
HIERARCH ESO ISS AMBI TAU0 END 0.007142
HIERARCH ESO ISS AMBI TEMP 15.27
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.57