Exposure
ID
MATIS.2025-08-09T07:49:07.663_1
Header ID
MATIS.2025-08-09T07:49:07.663
Date updated
2025-08-09 07:55:44 UTC+0000
Release date
2026-08-09 07:55:43 UTC+0000
UTC Start
2025-08-09 07:49:07.663
UTC End
2025-08-09 07:50:09.673
MJD Start
60896.32578314
MJD End
60896.32650084833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.007057
Ambient temperature (°C)
12.48
Seeing (arcsec)
0.54
Observation
ID
69630
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
51708
Name
HD 218396
RA
346.871637
DEC
21.13389
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 48.8510 48.9250 38.0000 38.0000
U1-U3 92.0450 92.1760 43.4000 43.4000
U1-U4 129.5770 129.6250 63.5430 63.4590
U2-U3 43.6460 43.6990 49.4000 49.3000
U2-U4 88.0430 87.9780 77.3740 77.2700
U3-U4 53.5790 53.4440 99.8590 99.7890
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 60896.32578314
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871637
DEC 21.13389
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 48.851
HIERARCH ESO ISS PBL12 END 48.925
HIERARCH ESO ISS PBLA12 START 38.0
HIERARCH ESO ISS PBLA12 END 38.0
HIERARCH ESO ISS PBL13 START 92.045
HIERARCH ESO ISS PBL13 END 92.176
HIERARCH ESO ISS PBLA13 START 43.4
HIERARCH ESO ISS PBLA13 END 43.4
HIERARCH ESO ISS PBL14 START 129.577
HIERARCH ESO ISS PBL14 END 129.625
HIERARCH ESO ISS PBLA14 START 63.543
HIERARCH ESO ISS PBLA14 END 63.459
HIERARCH ESO ISS PBL23 START 43.646
HIERARCH ESO ISS PBL23 END 43.699
HIERARCH ESO ISS PBLA23 START 49.4
HIERARCH ESO ISS PBLA23 END 49.3
HIERARCH ESO ISS PBL24 START 88.043
HIERARCH ESO ISS PBL24 END 87.978
HIERARCH ESO ISS PBLA24 START 77.374
HIERARCH ESO ISS PBLA24 END 77.27
HIERARCH ESO ISS PBL34 START 53.579
HIERARCH ESO ISS PBL34 END 53.444
HIERARCH ESO ISS PBLA34 START 99.859
HIERARCH ESO ISS PBLA34 END 99.789
HIERARCH ESO ISS AMBI TAU0 START 0.007057
HIERARCH ESO ISS AMBI TAU0 END 0.007057
HIERARCH ESO ISS AMBI TEMP 12.48
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.47