Exposure
ID
MATIS.2025-08-06T05:43:27.585_1
Header ID
MATIS.2025-08-06T05:43:27.585
Date updated
2025-08-06 05:50:48 UTC+0000
Release date
2026-08-06 05:50:48 UTC+0000
UTC Start
2025-08-06 05:43:27.585
UTC End
2025-08-06 05:44:29.595
MJD Start
60893.23851371
MJD End
60893.23923141833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.007358
Ambient temperature (°C)
15.3
Seeing (arcsec)
0.62
Observation
ID
69161
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
51434
Name
HD 218396
RA
346.871547
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 37.5390 37.6230 28.1000 28.2000
U1-U3 69.3470 69.5400 37.4000 37.6000
U1-U4 106.1290 106.4300 71.6770 71.6370
U2-U3 32.8760 32.9790 48.1000 48.2000
U2-U4 83.0640 83.2030 89.8290 89.7360
U3-U4 62.4710 62.4710 110.3220 110.2280
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 60893.23851371
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871547
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 37.539
HIERARCH ESO ISS PBL12 END 37.623
HIERARCH ESO ISS PBLA12 START 28.1
HIERARCH ESO ISS PBLA12 END 28.2
HIERARCH ESO ISS PBL13 START 69.347
HIERARCH ESO ISS PBL13 END 69.54
HIERARCH ESO ISS PBLA13 START 37.4
HIERARCH ESO ISS PBLA13 END 37.6
HIERARCH ESO ISS PBL14 START 106.129
HIERARCH ESO ISS PBL14 END 106.43
HIERARCH ESO ISS PBLA14 START 71.677
HIERARCH ESO ISS PBLA14 END 71.637
HIERARCH ESO ISS PBL23 START 32.876
HIERARCH ESO ISS PBL23 END 32.979
HIERARCH ESO ISS PBLA23 START 48.1
HIERARCH ESO ISS PBLA23 END 48.2
HIERARCH ESO ISS PBL24 START 83.064
HIERARCH ESO ISS PBL24 END 83.203
HIERARCH ESO ISS PBLA24 START 89.829
HIERARCH ESO ISS PBLA24 END 89.736
HIERARCH ESO ISS PBL34 START 62.471
HIERARCH ESO ISS PBL34 END 62.471
HIERARCH ESO ISS PBLA34 START 110.322
HIERARCH ESO ISS PBLA34 END 110.228
HIERARCH ESO ISS AMBI TAU0 START 0.007358
HIERARCH ESO ISS AMBI TAU0 END 0.007358
HIERARCH ESO ISS AMBI TEMP 15.3
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.62