Exposure
ID
MATIS.2025-08-06T07:36:54.993_1
Header ID
MATIS.2025-08-06T07:36:54.993
Date updated
2025-08-06 07:45:41 UTC+0000
Release date
2026-08-06 07:45:40 UTC+0000
UTC Start
2025-08-06 07:36:54.993
UTC End
2025-08-06 07:37:57.003
MJD Start
60893.31730316
MJD End
60893.31802086833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0077705
Ambient temperature (°C)
14.23
Seeing (arcsec)
0.515
Observation
ID
69253
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
51481
Name
HD 218396
RA
346.871619
DEC
21.13407
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 47.0560 47.1380 37.4000 37.5000
U1-U3 88.8150 88.9680 43.4000 43.4000
U1-U4 127.9400 128.0350 65.3810 65.3040
U2-U3 42.2980 42.3630 50.0000 50.0000
U2-U4 89.1410 89.1090 79.7040 79.6040
U3-U4 56.4160 56.3010 101.4880 101.4150
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 60893.31730316
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871619
DEC 21.13407
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 47.056
HIERARCH ESO ISS PBL12 END 47.138
HIERARCH ESO ISS PBLA12 START 37.4
HIERARCH ESO ISS PBLA12 END 37.5
HIERARCH ESO ISS PBL13 START 88.815
HIERARCH ESO ISS PBL13 END 88.968
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 127.94
HIERARCH ESO ISS PBL14 END 128.035
HIERARCH ESO ISS PBLA14 START 65.381
HIERARCH ESO ISS PBLA14 END 65.304
HIERARCH ESO ISS PBL23 START 42.298
HIERARCH ESO ISS PBL23 END 42.363
HIERARCH ESO ISS PBLA23 START 50.0
HIERARCH ESO ISS PBLA23 END 50.0
HIERARCH ESO ISS PBL24 START 89.141
HIERARCH ESO ISS PBL24 END 89.109
HIERARCH ESO ISS PBLA24 START 79.704
HIERARCH ESO ISS PBLA24 END 79.604
HIERARCH ESO ISS PBL34 START 56.416
HIERARCH ESO ISS PBL34 END 56.301
HIERARCH ESO ISS PBLA34 START 101.488
HIERARCH ESO ISS PBLA34 END 101.415
HIERARCH ESO ISS AMBI TAU0 START 0.007739
HIERARCH ESO ISS AMBI TAU0 END 0.007802
HIERARCH ESO ISS AMBI TEMP 14.23
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.5