Exposure
ID
MATIS.2025-08-07T08:24:24.852_1
Header ID
MATIS.2025-08-07T08:24:24.852
Date updated
2025-08-07 08:35:39 UTC+0000
Release date
2026-08-07 08:35:39 UTC+0000
UTC Start
2025-08-07 08:24:24.852
UTC End
2025-08-07 08:25:26.862
MJD Start
60894.35028764
MJD End
60894.35100534833
Exposure time (s)
62.0
Validation level
1
Tau 0: Coherence time (s)
0.007159
Ambient temperature (°C)
13.71
Seeing (arcsec)
0.57
Observation
ID
69496
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
51621
Name
HD 218396
RA
346.871693
DEC
21.13408
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 50.7020 50.7680 38.2000 38.2000
U1-U3 95.2120 95.3200 42.9000 42.9000
U1-U4 130.2100 130.2090 61.1980 61.1040
U2-U3 44.8740 44.9140 48.3000 48.2000
U2-U4 85.8290 85.7270 74.5180 74.4050
U3-U4 49.7120 49.5540 98.0430 97.9750
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 60894.35028764
HIERARCH ESO DPR TECH INTERFEROMETRY
HIERARCH ESO OBS TARG NAME HD 218396
RA 346.871693
DEC 21.13408
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 50.702
HIERARCH ESO ISS PBL12 END 50.768
HIERARCH ESO ISS PBLA12 START 38.2
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 95.212
HIERARCH ESO ISS PBL13 END 95.32
HIERARCH ESO ISS PBLA13 START 42.9
HIERARCH ESO ISS PBLA13 END 42.9
HIERARCH ESO ISS PBL14 START 130.21
HIERARCH ESO ISS PBL14 END 130.209
HIERARCH ESO ISS PBLA14 START 61.198
HIERARCH ESO ISS PBLA14 END 61.104
HIERARCH ESO ISS PBL23 START 44.874
HIERARCH ESO ISS PBL23 END 44.914
HIERARCH ESO ISS PBLA23 START 48.3
HIERARCH ESO ISS PBLA23 END 48.2
HIERARCH ESO ISS PBL24 START 85.829
HIERARCH ESO ISS PBL24 END 85.727
HIERARCH ESO ISS PBLA24 START 74.518
HIERARCH ESO ISS PBLA24 END 74.405
HIERARCH ESO ISS PBL34 START 49.712
HIERARCH ESO ISS PBL34 END 49.554
HIERARCH ESO ISS PBLA34 START 98.043
HIERARCH ESO ISS PBLA34 END 97.975
HIERARCH ESO ISS AMBI TAU0 START 0.007159
HIERARCH ESO ISS AMBI TAU0 END 0.007159
HIERARCH ESO ISS AMBI TEMP 13.71
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.57