Exposure
ID
MATIS.2025-08-09T07:08:05.857_1
Header ID
MATIS.2025-08-09T07:08:05.857
Date updated
2025-08-09 07:15:43 UTC+0000
Release date
2026-08-09 07:15:42 UTC+0000
UTC Start
2025-08-09 07:08:05.857
UTC End
2025-08-09 07:09:07.867
MJD Start
60896.29729001
MJD End
60896.29800771833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0044399999999999995
Ambient temperature (°C)
12.48
Seeing (arcsec)
0.72
Observation
ID
69596
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
51691
Name
HD 218396
RA
346.871614
DEC
21.1339
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 45.7010 45.7860 36.8000 36.8000
U1-U3 86.2880 86.4480 43.2000 43.2000
U1-U4 126.1510 126.2760 66.5650 66.4950
U2-U3 41.1910 41.2620 50.3000 50.3000
U2-U4 89.4230 89.4170 81.2790 81.1830
U3-U4 58.1050 58.0100 102.6710 102.5970
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 60896.29729001
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871614
DEC 21.1339
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 45.701
HIERARCH ESO ISS PBL12 END 45.786
HIERARCH ESO ISS PBLA12 START 36.8
HIERARCH ESO ISS PBLA12 END 36.8
HIERARCH ESO ISS PBL13 START 86.288
HIERARCH ESO ISS PBL13 END 86.448
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 126.151
HIERARCH ESO ISS PBL14 END 126.276
HIERARCH ESO ISS PBLA14 START 66.565
HIERARCH ESO ISS PBLA14 END 66.495
HIERARCH ESO ISS PBL23 START 41.191
HIERARCH ESO ISS PBL23 END 41.262
HIERARCH ESO ISS PBLA23 START 50.3
HIERARCH ESO ISS PBLA23 END 50.3
HIERARCH ESO ISS PBL24 START 89.423
HIERARCH ESO ISS PBL24 END 89.417
HIERARCH ESO ISS PBLA24 START 81.279
HIERARCH ESO ISS PBLA24 END 81.183
HIERARCH ESO ISS PBL34 START 58.105
HIERARCH ESO ISS PBL34 END 58.01
HIERARCH ESO ISS PBLA34 START 102.671
HIERARCH ESO ISS PBLA34 END 102.597
HIERARCH ESO ISS AMBI TAU0 START 0.004528
HIERARCH ESO ISS AMBI TAU0 END 0.004352
HIERARCH ESO ISS AMBI TEMP 12.48
HIERARCH ESO ISS AMBI FWHM START 0.62
HIERARCH ESO ISS AMBI FWHM END 0.82