Exposure
ID
MATIS.2025-08-11T06:55:36.619_1
Header ID
MATIS.2025-08-11T06:55:36.619
Date updated
2025-08-11 07:00:44 UTC+0000
Release date
2026-08-11 07:00:44 UTC+0000
UTC Start
2025-08-11 06:55:36.619
UTC End
2025-08-11 06:56:38.629
MJD Start
60898.28861827
MJD End
60898.289335978334
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.0041065
Ambient temperature (°C)
14.93
Seeing (arcsec)
0.405
Observation
ID
69868
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
51862
Name
HD 218396
RA
346.87162
DEC
21.1337
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 45.3240 45.4090 36.6000 36.6000
U1-U3 85.5710 85.7330 43.1000 43.1000
U1-U4 125.5760 125.7080 66.8770 66.8080
U2-U3 40.8700 40.9430 50.4000 50.4000
U2-U4 89.4270 89.4290 81.7030 81.6090
U3-U4 58.5160 58.4250 103.0020 102.9290
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 60898.28861827
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.87162
DEC 21.1337
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 45.324
HIERARCH ESO ISS PBL12 END 45.409
HIERARCH ESO ISS PBLA12 START 36.6
HIERARCH ESO ISS PBLA12 END 36.6
HIERARCH ESO ISS PBL13 START 85.571
HIERARCH ESO ISS PBL13 END 85.733
HIERARCH ESO ISS PBLA13 START 43.1
HIERARCH ESO ISS PBLA13 END 43.1
HIERARCH ESO ISS PBL14 START 125.576
HIERARCH ESO ISS PBL14 END 125.708
HIERARCH ESO ISS PBLA14 START 66.877
HIERARCH ESO ISS PBLA14 END 66.808
HIERARCH ESO ISS PBL23 START 40.87
HIERARCH ESO ISS PBL23 END 40.943
HIERARCH ESO ISS PBLA23 START 50.4
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.427
HIERARCH ESO ISS PBL24 END 89.429
HIERARCH ESO ISS PBLA24 START 81.703
HIERARCH ESO ISS PBLA24 END 81.609
HIERARCH ESO ISS PBL34 START 58.516
HIERARCH ESO ISS PBL34 END 58.425
HIERARCH ESO ISS PBLA34 START 103.002
HIERARCH ESO ISS PBLA34 END 102.929
HIERARCH ESO ISS AMBI TAU0 START 0.004349
HIERARCH ESO ISS AMBI TAU0 END 0.003864
HIERARCH ESO ISS AMBI TEMP 14.93
HIERARCH ESO ISS AMBI FWHM START 0.4
HIERARCH ESO ISS AMBI FWHM END 0.41