Exposure
ID
MATIS.2025-08-10T06:48:33.677_1
Header ID
MATIS.2025-08-10T06:48:33.677
Date updated
2025-08-10 06:55:44 UTC+0000
Release date
2026-08-10 06:55:44 UTC+0000
UTC Start
2025-08-10 06:48:33.677
UTC End
2025-08-10 06:49:40.121
MJD Start
60897.28372311
MJD End
60897.28449213778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.00619
Ambient temperature (°C)
12.28
Seeing (arcsec)
0.46499999999999997
Observation
ID
69727
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
51779
Name
HD 218396
RA
346.871444
DEC
21.13373
Instrument
Interferometer
VLTI
Instrument
MATISSE
Instrument mode
SI_PHOT_LM_MEDIUM
Instrument sub-mode
HYBRID
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 44.4130 44.5160 36.0000 36.0000
U1-U3 83.8140 84.0150 42.8000 42.9000
U1-U4 124.0480 124.2310 67.5790 67.5010
U2-U3 40.0710 40.1630 50.4000 50.4000
U2-U4 89.3130 89.3340 82.6900 82.5790
U3-U4 59.4120 59.3170 103.7920 103.7020
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 60897.28372311
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871444
DEC 21.13373
HIERARCH ESO DET NAME MATISSE-LM
HIERARCH ESO INS FIL NAME LM
HIERARCH ESO INS FIL ID LM
HIERARCH ESO INS DIL NAME MED
HIERARCH ESO INS DIL ID MED
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 10.0
HIERARCH ESO DET SEQ1 PERIOD 11.074
HIERARCH ESO DET NDIT 6
HIERARCH ESO ISS PBL12 START 44.413
HIERARCH ESO ISS PBL12 END 44.516
HIERARCH ESO ISS PBLA12 START 36.0
HIERARCH ESO ISS PBLA12 END 36.0
HIERARCH ESO ISS PBL13 START 83.814
HIERARCH ESO ISS PBL13 END 84.015
HIERARCH ESO ISS PBLA13 START 42.8
HIERARCH ESO ISS PBLA13 END 42.9
HIERARCH ESO ISS PBL14 START 124.048
HIERARCH ESO ISS PBL14 END 124.231
HIERARCH ESO ISS PBLA14 START 67.579
HIERARCH ESO ISS PBLA14 END 67.501
HIERARCH ESO ISS PBL23 START 40.071
HIERARCH ESO ISS PBL23 END 40.163
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.313
HIERARCH ESO ISS PBL24 END 89.334
HIERARCH ESO ISS PBLA24 START 82.69
HIERARCH ESO ISS PBLA24 END 82.579
HIERARCH ESO ISS PBL34 START 59.412
HIERARCH ESO ISS PBL34 END 59.317
HIERARCH ESO ISS PBLA34 START 103.792
HIERARCH ESO ISS PBLA34 END 103.702
HIERARCH ESO ISS AMBI TAU0 START 0.00619
HIERARCH ESO ISS AMBI TAU0 END 0.00619
HIERARCH ESO ISS AMBI TEMP 12.28
HIERARCH ESO ISS AMBI FWHM START 0.42
HIERARCH ESO ISS AMBI FWHM END 0.51