Exposure
ID
MATIS.2025-08-06T07:15:40.312_1
Header ID
MATIS.2025-08-06T07:15:40.312
Date updated
2025-08-06 07:25:42 UTC+0000
Release date
2026-08-06 07:25:42 UTC+0000
UTC Start
2025-08-06 07:15:40.312
UTC End
2025-08-06 07:16:42.322
MJD Start
60893.30254991
MJD End
60893.30326761833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.006887
Ambient temperature (°C)
14.38
Seeing (arcsec)
0.51
Observation
ID
69237
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
51472
Name
HD 218396
RA
346.871605
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 45.3570 45.4410 36.6000 36.6000
U1-U3 85.6330 85.7950 43.1000 43.1000
U1-U4 125.6260 125.7580 66.8490 66.7810
U2-U3 40.8980 40.9700 50.4000 50.3000
U2-U4 89.4280 89.4290 81.6650 81.5710
U3-U4 58.4810 58.3910 102.9720 102.8990
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 60893.30254991
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871605
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 45.357
HIERARCH ESO ISS PBL12 END 45.441
HIERARCH ESO ISS PBLA12 START 36.6
HIERARCH ESO ISS PBLA12 END 36.6
HIERARCH ESO ISS PBL13 START 85.633
HIERARCH ESO ISS PBL13 END 85.795
HIERARCH ESO ISS PBLA13 START 43.1
HIERARCH ESO ISS PBLA13 END 43.1
HIERARCH ESO ISS PBL14 START 125.626
HIERARCH ESO ISS PBL14 END 125.758
HIERARCH ESO ISS PBLA14 START 66.849
HIERARCH ESO ISS PBLA14 END 66.781
HIERARCH ESO ISS PBL23 START 40.898
HIERARCH ESO ISS PBL23 END 40.97
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.3
HIERARCH ESO ISS PBL24 START 89.428
HIERARCH ESO ISS PBL24 END 89.429
HIERARCH ESO ISS PBLA24 START 81.665
HIERARCH ESO ISS PBLA24 END 81.571
HIERARCH ESO ISS PBL34 START 58.481
HIERARCH ESO ISS PBL34 END 58.391
HIERARCH ESO ISS PBLA34 START 102.972
HIERARCH ESO ISS PBLA34 END 102.899
HIERARCH ESO ISS AMBI TAU0 START 0.006887
HIERARCH ESO ISS AMBI TAU0 END 0.006887
HIERARCH ESO ISS AMBI TEMP 14.38
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.51