Exposure
ID
MATIS.2025-08-07T05:46:49.928_1
Header ID
MATIS.2025-08-07T05:46:49.928
Date updated
2025-08-07 05:55:42 UTC+0000
Release date
2026-08-07 05:55:42 UTC+0000
UTC Start
2025-08-07 05:46:49.928
UTC End
2025-08-07 05:47:51.938
MJD Start
60894.24085565
MJD End
60894.24157335833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.008668499999999999
Ambient temperature (°C)
13.12
Seeing (arcsec)
0.565
Observation
ID
69375
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
51560
Name
HD 218396
RA
346.871621
DEC
21.13382
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 38.1380 38.2240 29.1000 29.2000
U1-U3 70.7130 70.9060 38.2000 38.3000
U1-U4 108.2180 108.5060 71.3860 71.3440
U2-U3 33.6040 33.7060 48.6000 48.6000
U2-U4 84.0140 84.1430 89.1710 89.0780
U3-U4 62.4480 62.4410 109.6650 109.5730
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 60894.24085565
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871621
DEC 21.13382
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 38.138
HIERARCH ESO ISS PBL12 END 38.224
HIERARCH ESO ISS PBLA12 START 29.1
HIERARCH ESO ISS PBLA12 END 29.2
HIERARCH ESO ISS PBL13 START 70.713
HIERARCH ESO ISS PBL13 END 70.906
HIERARCH ESO ISS PBLA13 START 38.2
HIERARCH ESO ISS PBLA13 END 38.3
HIERARCH ESO ISS PBL14 START 108.218
HIERARCH ESO ISS PBL14 END 108.506
HIERARCH ESO ISS PBLA14 START 71.386
HIERARCH ESO ISS PBLA14 END 71.344
HIERARCH ESO ISS PBL23 START 33.604
HIERARCH ESO ISS PBL23 END 33.706
HIERARCH ESO ISS PBLA23 START 48.6
HIERARCH ESO ISS PBLA23 END 48.6
HIERARCH ESO ISS PBL24 START 84.014
HIERARCH ESO ISS PBL24 END 84.143
HIERARCH ESO ISS PBLA24 START 89.171
HIERARCH ESO ISS PBLA24 END 89.078
HIERARCH ESO ISS PBL34 START 62.448
HIERARCH ESO ISS PBL34 END 62.441
HIERARCH ESO ISS PBLA34 START 109.665
HIERARCH ESO ISS PBLA34 END 109.573
HIERARCH ESO ISS AMBI TAU0 START 0.008321
HIERARCH ESO ISS AMBI TAU0 END 0.009016
HIERARCH ESO ISS AMBI TEMP 13.12
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.53