Exposure
ID
MATIS.2025-08-07T05:41:52.126_1
Header ID
MATIS.2025-08-07T05:41:52.126
Date updated
2025-08-07 05:50:55 UTC+0000
Release date
2026-08-07 05:50:55 UTC+0000
UTC Start
2025-08-07 05:41:52.126
UTC End
2025-08-07 05:42:54.136
MJD Start
60894.23740886
MJD End
60894.23812656833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.007455
Ambient temperature (°C)
13.1
Seeing (arcsec)
0.59
Observation
ID
69362
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
51553
Name
HD 218396
RA
346.871616
DEC
21.13382
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 37.7300 37.8140 28.4000 28.6000
U1-U3 69.7850 69.9780 37.7000 37.8000
U1-U4 106.8080 107.1050 71.5860 71.5450
U2-U3 33.1100 33.2130 48.3000 48.3000
U2-U4 83.3770 83.5120 89.6170 89.5240
U3-U4 62.4690 62.4670 110.1090 110.0160
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 60894.23740886
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871616
DEC 21.13382
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 37.73
HIERARCH ESO ISS PBL12 END 37.814
HIERARCH ESO ISS PBLA12 START 28.4
HIERARCH ESO ISS PBLA12 END 28.6
HIERARCH ESO ISS PBL13 START 69.785
HIERARCH ESO ISS PBL13 END 69.978
HIERARCH ESO ISS PBLA13 START 37.7
HIERARCH ESO ISS PBLA13 END 37.8
HIERARCH ESO ISS PBL14 START 106.808
HIERARCH ESO ISS PBL14 END 107.105
HIERARCH ESO ISS PBLA14 START 71.586
HIERARCH ESO ISS PBLA14 END 71.545
HIERARCH ESO ISS PBL23 START 33.11
HIERARCH ESO ISS PBL23 END 33.213
HIERARCH ESO ISS PBLA23 START 48.3
HIERARCH ESO ISS PBLA23 END 48.3
HIERARCH ESO ISS PBL24 START 83.377
HIERARCH ESO ISS PBL24 END 83.512
HIERARCH ESO ISS PBLA24 START 89.617
HIERARCH ESO ISS PBLA24 END 89.524
HIERARCH ESO ISS PBL34 START 62.469
HIERARCH ESO ISS PBL34 END 62.467
HIERARCH ESO ISS PBLA34 START 110.109
HIERARCH ESO ISS PBLA34 END 110.016
HIERARCH ESO ISS AMBI TAU0 START 0.006733
HIERARCH ESO ISS AMBI TAU0 END 0.008177
HIERARCH ESO ISS AMBI TEMP 13.1
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.59