Exposure
ID
MATIS.2025-08-11T07:02:08.438_1
Header ID
MATIS.2025-08-11T07:02:08.438
Date updated
2025-08-11 07:10:43 UTC+0000
Release date
2026-08-11 07:10:43 UTC+0000
UTC Start
2025-08-11 07:02:08.438
UTC End
2025-08-11 07:03:10.448
MJD Start
60898.29315322
MJD End
60898.29387092833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.004846
Ambient temperature (°C)
14.93
Seeing (arcsec)
0.41
Observation
ID
69876
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
51866
Name
HD 218396
RA
346.871626
DEC
21.13369
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 45.8540 45.9410 36.9000 36.9000
U1-U3 86.5770 86.7400 43.2000 43.2000
U1-U4 126.3760 126.5000 66.4430 66.3710
U2-U3 41.3200 41.3920 50.3000 50.3000
U2-U4 89.4120 89.4040 81.1110 81.0130
U3-U4 57.9310 57.8310 102.5420 102.4670
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 60898.29315322
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871626
DEC 21.13369
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 45.854
HIERARCH ESO ISS PBL12 END 45.941
HIERARCH ESO ISS PBLA12 START 36.9
HIERARCH ESO ISS PBLA12 END 36.9
HIERARCH ESO ISS PBL13 START 86.577
HIERARCH ESO ISS PBL13 END 86.74
HIERARCH ESO ISS PBLA13 START 43.2
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 126.376
HIERARCH ESO ISS PBL14 END 126.5
HIERARCH ESO ISS PBLA14 START 66.443
HIERARCH ESO ISS PBLA14 END 66.371
HIERARCH ESO ISS PBL23 START 41.32
HIERARCH ESO ISS PBL23 END 41.392
HIERARCH ESO ISS PBLA23 START 50.3
HIERARCH ESO ISS PBLA23 END 50.3
HIERARCH ESO ISS PBL24 START 89.412
HIERARCH ESO ISS PBL24 END 89.404
HIERARCH ESO ISS PBLA24 START 81.111
HIERARCH ESO ISS PBLA24 END 81.013
HIERARCH ESO ISS PBL34 START 57.931
HIERARCH ESO ISS PBL34 END 57.831
HIERARCH ESO ISS PBLA34 START 102.542
HIERARCH ESO ISS PBLA34 END 102.467
HIERARCH ESO ISS AMBI TAU0 START 0.004846
HIERARCH ESO ISS AMBI TAU0 END 0.004846
HIERARCH ESO ISS AMBI TEMP 14.93
HIERARCH ESO ISS AMBI FWHM START 0.41
HIERARCH ESO ISS AMBI FWHM END 0.41