Exposure
ID
MATIS.2025-08-06T07:20:19.682_1
Header ID
MATIS.2025-08-06T07:20:19.682
Date updated
2025-08-06 07:30:44 UTC+0000
Release date
2026-08-06 07:30:44 UTC+0000
UTC Start
2025-08-06 07:20:19.682
UTC End
2025-08-06 07:21:21.692
MJD Start
60893.30578336
MJD End
60893.306501068335
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.006885
Ambient temperature (°C)
14.33
Seeing (arcsec)
0.55
Observation
ID
69243
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
51476
Name
HD 218396
RA
346.87161
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 45.7380 45.8220 36.8000 36.8000
U1-U3 86.3570 86.5160 43.2000 43.2000
U1-U4 126.2050 126.3280 66.5380 66.4690
U2-U3 41.2220 41.2920 50.3000 50.3000
U2-U4 89.4210 89.4150 81.2400 81.1460
U3-U4 58.0640 57.9680 102.6420 102.5690
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 60893.30578336
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.87161
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 45.738
HIERARCH ESO ISS PBL12 END 45.822
HIERARCH ESO ISS PBLA12 START 36.8
HIERARCH ESO ISS PBLA12 END 36.8
HIERARCH ESO ISS PBL13 START 86.357
HIERARCH ESO ISS PBL13 END 86.516
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 126.205
HIERARCH ESO ISS PBL14 END 126.328
HIERARCH ESO ISS PBLA14 START 66.538
HIERARCH ESO ISS PBLA14 END 66.469
HIERARCH ESO ISS PBL23 START 41.222
HIERARCH ESO ISS PBL23 END 41.292
HIERARCH ESO ISS PBLA23 START 50.3
HIERARCH ESO ISS PBLA23 END 50.3
HIERARCH ESO ISS PBL24 START 89.421
HIERARCH ESO ISS PBL24 END 89.415
HIERARCH ESO ISS PBLA24 START 81.24
HIERARCH ESO ISS PBLA24 END 81.146
HIERARCH ESO ISS PBL34 START 58.064
HIERARCH ESO ISS PBL34 END 57.968
HIERARCH ESO ISS PBLA34 START 102.642
HIERARCH ESO ISS PBLA34 END 102.569
HIERARCH ESO ISS AMBI TAU0 START 0.006885
HIERARCH ESO ISS AMBI TAU0 END 0.006885
HIERARCH ESO ISS AMBI TEMP 14.33
HIERARCH ESO ISS AMBI FWHM START 0.55
HIERARCH ESO ISS AMBI FWHM END 0.55