Exposure
ID
MATIS.2025-08-10T07:55:00.093_1
Header ID
MATIS.2025-08-10T07:55:00.093
Date updated
2025-08-10 08:05:43 UTC+0000
Release date
2026-08-10 08:05:43 UTC+0000
UTC Start
2025-08-10 07:55:00.093
UTC End
2025-08-10 07:56:06.537
MJD Start
60897.32986219
MJD End
60897.33063121778
Exposure time (s)
66.4
Validation level
1
Tau 0: Coherence time (s)
0.0035945
Ambient temperature (°C)
11.96
Seeing (arcsec)
0.485
Observation
ID
69786
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
51809
Name
HD 218396
RA
346.871492
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 49.5390 49.6260 38.2000 38.2000
U1-U3 93.2440 93.3930 43.3000 43.3000
U1-U4 129.9520 129.9880 62.7390 62.6320
U2-U3 44.1240 44.1820 49.0000 49.0000
U2-U4 87.3660 87.2690 76.3830 76.2530
U3-U4 52.2700 52.0950 99.2090 99.1250
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 60897.32986219
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871492
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 49.539
HIERARCH ESO ISS PBL12 END 49.626
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 93.244
HIERARCH ESO ISS PBL13 END 93.393
HIERARCH ESO ISS PBLA13 START 43.3
HIERARCH ESO ISS PBLA13 END 43.3
HIERARCH ESO ISS PBL14 START 129.952
HIERARCH ESO ISS PBL14 END 129.988
HIERARCH ESO ISS PBLA14 START 62.739
HIERARCH ESO ISS PBLA14 END 62.632
HIERARCH ESO ISS PBL23 START 44.124
HIERARCH ESO ISS PBL23 END 44.182
HIERARCH ESO ISS PBLA23 START 49.0
HIERARCH ESO ISS PBLA23 END 49.0
HIERARCH ESO ISS PBL24 START 87.366
HIERARCH ESO ISS PBL24 END 87.269
HIERARCH ESO ISS PBLA24 START 76.383
HIERARCH ESO ISS PBLA24 END 76.253
HIERARCH ESO ISS PBL34 START 52.27
HIERARCH ESO ISS PBL34 END 52.095
HIERARCH ESO ISS PBLA34 START 99.209
HIERARCH ESO ISS PBLA34 END 99.125
HIERARCH ESO ISS AMBI TAU0 START 0.003858
HIERARCH ESO ISS AMBI TAU0 END 0.003331
HIERARCH ESO ISS AMBI TEMP 11.96
HIERARCH ESO ISS AMBI FWHM START 0.48
HIERARCH ESO ISS AMBI FWHM END 0.49