Exposure
ID
MATIS.2025-08-11T08:26:38.127_1
Header ID
MATIS.2025-08-11T08:26:38.127
Date updated
2025-08-11 08:35:31 UTC+0000
Release date
2026-08-11 08:35:31 UTC+0000
UTC Start
2025-08-11 08:26:38.127
UTC End
2025-08-11 08:27:40.137
MJD Start
60898.35183017
MJD End
60898.352547878334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.004472
Ambient temperature (°C)
15.0
Seeing (arcsec)
0.43
Observation
ID
69937
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
51899
Name
HD 218396
RA
346.871663
DEC
21.13371
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 51.7830 51.8440 38.1000 38.1000
U1-U3 96.9680 97.0640 42.5000 42.4000
U1-U4 129.9440 129.9120 59.5020 59.3970
U2-U3 45.4970 45.5290 47.4000 47.3000
U2-U4 83.8590 83.7300 72.4950 72.3700
U3-U4 46.8420 46.6630 96.8600 96.7890
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 60898.35183017
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871663
DEC 21.13371
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 51.783
HIERARCH ESO ISS PBL12 END 51.844
HIERARCH ESO ISS PBLA12 START 38.1
HIERARCH ESO ISS PBLA12 END 38.1
HIERARCH ESO ISS PBL13 START 96.968
HIERARCH ESO ISS PBL13 END 97.064
HIERARCH ESO ISS PBLA13 START 42.5
HIERARCH ESO ISS PBLA13 END 42.4
HIERARCH ESO ISS PBL14 START 129.944
HIERARCH ESO ISS PBL14 END 129.912
HIERARCH ESO ISS PBLA14 START 59.502
HIERARCH ESO ISS PBLA14 END 59.397
HIERARCH ESO ISS PBL23 START 45.497
HIERARCH ESO ISS PBL23 END 45.529
HIERARCH ESO ISS PBLA23 START 47.4
HIERARCH ESO ISS PBLA23 END 47.3
HIERARCH ESO ISS PBL24 START 83.859
HIERARCH ESO ISS PBL24 END 83.73
HIERARCH ESO ISS PBLA24 START 72.495
HIERARCH ESO ISS PBLA24 END 72.37
HIERARCH ESO ISS PBL34 START 46.842
HIERARCH ESO ISS PBL34 END 46.663
HIERARCH ESO ISS PBLA34 START 96.86
HIERARCH ESO ISS PBLA34 END 96.789
HIERARCH ESO ISS AMBI TAU0 START 0.004586
HIERARCH ESO ISS AMBI TAU0 END 0.004358
HIERARCH ESO ISS AMBI TEMP 15.0
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.43